第一次提交

.gitignore

+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/

.mvn/wrapper/maven-wrapper.properties

+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.4/apache-maven-3.8.4-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar

mvnw

+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+#   JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+#   M2_HOME - location of maven2's installed home dir
+#   MAVEN_OPTS - parameters passed to the Java VM when running Maven
+#     e.g. to debug Maven itself, use
+#       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+#   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+  if [ -f /usr/local/etc/mavenrc ] ; then
+    . /usr/local/etc/mavenrc
+  fi
+
+  if [ -f /etc/mavenrc ] ; then
+    . /etc/mavenrc
+  fi
+
+  if [ -f "$HOME/.mavenrc" ] ; then
+    . "$HOME/.mavenrc"
+  fi
+
+fi
+
+# OS specific support.  $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "`uname`" in
+  CYGWIN*) cygwin=true ;;
+  MINGW*) mingw=true;;
+  Darwin*) darwin=true
+    # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+    # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+    if [ -z "$JAVA_HOME" ]; then
+      if [ -x "/usr/libexec/java_home" ]; then
+        export JAVA_HOME="`/usr/libexec/java_home`"
+      else
+        export JAVA_HOME="/Library/Java/Home"
+      fi
+    fi
+    ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+  if [ -r /etc/gentoo-release ] ; then
+    JAVA_HOME=`java-config --jre-home`
+  fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+  ## resolve links - $0 may be a link to maven's home
+  PRG="$0"
+
+  # need this for relative symlinks
+  while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+      PRG="$link"
+    else
+      PRG="`dirname "$PRG"`/$link"
+    fi
+  done
+
+  saveddir=`pwd`
+
+  M2_HOME=`dirname "$PRG"`/..
+
+  # make it fully qualified
+  M2_HOME=`cd "$M2_HOME" && pwd`
+
+  cd "$saveddir"
+  # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --unix "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+fi
+
+# For Mingw, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME="`(cd "$M2_HOME"; pwd)`"
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+  javaExecutable="`which javac`"
+  if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+    # readlink(1) is not available as standard on Solaris 10.
+    readLink=`which readlink`
+    if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+      if $darwin ; then
+        javaHome="`dirname \"$javaExecutable\"`"
+        javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+      else
+        javaExecutable="`readlink -f \"$javaExecutable\"`"
+      fi
+      javaHome="`dirname \"$javaExecutable\"`"
+      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+      JAVA_HOME="$javaHome"
+      export JAVA_HOME
+    fi
+  fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+  if [ -n "$JAVA_HOME"  ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+    fi
+  else
+    JAVACMD="`\\unset -f command; \\command -v java`"
+  fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+  echo "Error: JAVA_HOME is not defined correctly." >&2
+  echo "  We cannot execute $JAVACMD" >&2
+  exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+  echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+
+  if [ -z "$1" ]
+  then
+    echo "Path not specified to find_maven_basedir"
+    return 1
+  fi
+
+  basedir="$1"
+  wdir="$1"
+  while [ "$wdir" != '/' ] ; do
+    if [ -d "$wdir"/.mvn ] ; then
+      basedir=$wdir
+      break
+    fi
+    # workaround for JBEAP-8937 (on Solaris 10/Sparc)
+    if [ -d "${wdir}" ]; then
+      wdir=`cd "$wdir/.."; pwd`
+    fi
+    # end of workaround
+  done
+  echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+  if [ -f "$1" ]; then
+    echo "$(tr -s '\n' ' ' < "$1")"
+  fi
+}
+
+BASE_DIR=`find_maven_basedir "$(pwd)"`
+if [ -z "$BASE_DIR" ]; then
+  exit 1;
+fi
+
+##########################################################################################
+# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+# This allows using the maven wrapper in projects that prohibit checking in binary data.
+##########################################################################################
+if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Found .mvn/wrapper/maven-wrapper.jar"
+    fi
+else
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
+    fi
+    if [ -n "$MVNW_REPOURL" ]; then
+      jarUrl="$MVNW_REPOURL/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+    else
+      jarUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+    fi
+    while IFS="=" read key value; do
+      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
+      esac
+    done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Downloading from: $jarUrl"
+    fi
+    wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+    if $cygwin; then
+      wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"`
+    fi
+
+    if command -v wget > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found wget ... using wget"
+        fi
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            wget "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
+        else
+            wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
+        fi
+    elif command -v curl > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found curl ... using curl"
+        fi
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            curl -o "$wrapperJarPath" "$jarUrl" -f
+        else
+            curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
+        fi
+
+    else
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Falling back to using Java to download"
+        fi
+        javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+        # For Cygwin, switch paths to Windows format before running javac
+        if $cygwin; then
+          javaClass=`cygpath --path --windows "$javaClass"`
+        fi
+        if [ -e "$javaClass" ]; then
+            if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Compiling MavenWrapperDownloader.java ..."
+                fi
+                # Compiling the Java class
+                ("$JAVA_HOME/bin/javac" "$javaClass")
+            fi
+            if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                # Running the downloader
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Running MavenWrapperDownloader.java ..."
+                fi
+                ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
+            fi
+        fi
+    fi
+fi
+##########################################################################################
+# End of extension
+##########################################################################################
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
+if [ "$MVNW_VERBOSE" = true ]; then
+  echo $MAVEN_PROJECTBASEDIR
+fi
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --path --windows "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
+  [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+    MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
+fi
+
+# Provide a "standardized" way to retrieve the CLI args that will
+# work with both Windows and non-Windows executions.
+MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
+export MAVEN_CMD_LINE_ARGS
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+  $MAVEN_OPTS \
+  $MAVEN_DEBUG_OPTS \
+  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+  "-Dmaven.home=${M2_HOME}" \
+  "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"

mvnw.cmd

+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    https://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%USERPROFILE%\mavenrc_pre.bat" call "%USERPROFILE%\mavenrc_pre.bat" %*
+if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %*
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+
+FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
+    IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Found %WRAPPER_JAR%
+    )
+) else (
+    if not "%MVNW_REPOURL%" == "" (
+        SET DOWNLOAD_URL="%MVNW_REPOURL%/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+    )
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Couldn't find %WRAPPER_JAR%, downloading it ...
+        echo Downloading from: %DOWNLOAD_URL%
+    )
+
+    powershell -Command "&{"^
+		"$webclient = new-object System.Net.WebClient;"^
+		"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
+		"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
+		"}"^
+		"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
+		"}"
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Finished downloading %WRAPPER_JAR%
+    )
+)
+@REM End of extension
+
+@REM Provide a "standardized" way to retrieve the CLI args that will
+@REM work with both Windows and non-Windows executions.
+set MAVEN_CMD_LINE_ARGS=%*
+
+%MAVEN_JAVA_EXE% ^
+  %JVM_CONFIG_MAVEN_PROPS% ^
+  %MAVEN_OPTS% ^
+  %MAVEN_DEBUG_OPTS% ^
+  -classpath %WRAPPER_JAR% ^
+  "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" ^
+  %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%"=="" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%USERPROFILE%\mavenrc_post.bat" call "%USERPROFILE%\mavenrc_post.bat"
+if exist "%USERPROFILE%\mavenrc_post.cmd" call "%USERPROFILE%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%"=="on" pause
+
+if "%MAVEN_TERMINATE_CMD%"=="on" exit %ERROR_CODE%
+
+cmd /C exit /B %ERROR_CODE%

pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.4.1</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+    <groupId>com.example</groupId>
+    <artifactId>Train</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>Train</name>
+    <description>Demo project for Spring Boot</description>
+    <properties>
+        <java.version>1.8</java.version>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>2.6</version>
+        </dependency>
+        <dependency>
+            <groupId>ws.schild</groupId>
+            <artifactId>jave-all-deps</artifactId>
+            <version>3.3.1</version>
+        </dependency>
+        <dependency>
+            <groupId>io.springfox</groupId>
+            <artifactId>springfox-swagger2</artifactId>
+            <version>2.9.2</version>
+        </dependency>
+        <dependency>
+            <groupId>io.springfox</groupId>
+            <artifactId>springfox-swagger-ui</artifactId>
+            <version>2.9.2</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-jdbc</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-thymeleaf</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <excludes>
+                        <exclude>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok</artifactId>
+                        </exclude>
+                    </excludes>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

src/main/java/com/example/train/TrainApplication.java

+package com.example.train;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+import springfox.documentation.swagger2.annotations.EnableSwagger2;
+
+/**
+ * @author tykj
+ */
+@SpringBootApplication
+@EnableWebMvc
+@EnableSwagger2
+public class TrainApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(TrainApplication.class, args);
+    }
+
+}

src/main/java/com/example/train/config/Swagger2Config.java

+package com.example.train.config;
+
+import com.google.common.collect.Sets;
+import io.swagger.annotations.Api;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
+import springfox.documentation.builders.ApiInfoBuilder;
+import springfox.documentation.builders.PathSelectors;
+import springfox.documentation.builders.RequestHandlerSelectors;
+import springfox.documentation.service.ApiInfo;
+import springfox.documentation.spi.DocumentationType;
+import springfox.documentation.spring.web.plugins.Docket;
+
+/**
+ * @author tykj
+ */
+@Configuration
+public class Swagger2Config extends WebMvcConfigurationSupport {
+
+    @Bean
+    public Docket createRestApi() {
+        return new Docket(DocumentationType.SWAGGER_2)
+                .produces(Sets.newHashSet("application/json"))
+                .consumes(Sets.newHashSet("application/json"))
+                .protocols(Sets.newHashSet("http", "https"))
+                .apiInfo(apiInfo())
+                .forCodeGeneration(true)
+                .useDefaultResponseMessages(true)
+                .select()
+                .apis(RequestHandlerSelectors.withClassAnnotation(Api.class))
+                .paths(PathSelectors.any())
+                .build()
+                ;
+    }
+
+    private ApiInfo apiInfo() {
+        return new ApiInfoBuilder()
+                // 文档标题
+                .title("XX系统接口文档")
+
+                // 文档描述
+                .description("XX系统接口文档与测试页面")
+                .termsOfServiceUrl("http://localhost:8084")
+                .version("v1")
+                .build();
+    }
+
+    /**
+     * 我们使用的 @Configuration 继承了WebMvcConfigurationSupport，导致默认的Swagger静态资源被覆盖，而缺失了配置。
+     * @param registry registry
+     */
+    @Override
+    public void addResourceHandlers(ResourceHandlerRegistry registry) {
+        registry.addResourceHandler("doc.html")
+                .addResourceLocations("classpath:/META-INF/resources/");
+
+        registry.addResourceHandler("swagger-ui.html")
+                .addResourceLocations("classpath:/META-INF/resources/");
+        registry.addResourceHandler("/webjars/**")
+                .addResourceLocations("classpath:/META-INF/resources/webjars/");
+//        registry.addResourceHandler("/static/**").addResourceLocations("classpath:/static/");
+    }
+
+}

src/main/java/com/example/train/config/VideoConfig.java

+package com.example.train.config;
+
+
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.io.FileUtils;
+import org.springframework.web.multipart.MultipartFile;
+import ws.schild.jave.MultimediaObject;
+import ws.schild.jave.info.MultimediaInfo;
+
+import java.io.File;
+import java.io.IOException;
+
+/**
+ * @author tykj
+ */
+@Slf4j
+public class VideoConfig {
+    public static Long getVideoTime(MultipartFile multipartFile)throws IOException{
+        //有问题，没有拿到文件路径
+        File file = new File(multipartFile.getOriginalFilename());
+        FileUtils.copyInputStreamToFile(multipartFile.getInputStream(),file);
+        try {
+            MultimediaObject instance = new MultimediaObject(file);
+            MultimediaInfo result = instance.getInfo();
+            long videoTime;
+            videoTime =result.getDuration() / 1000;
+            file.delete();
+            return videoTime;
+        }catch (Exception e){
+            e.printStackTrace();
+        }
+        return 0L;
+    }
+
+
+}

src/main/java/com/example/train/config/VideoUtil.java

+package com.example.train.config;
+
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.io.FileUtils;
+import org.springframework.web.multipart.MultipartFile;
+import ws.schild.jave.MultimediaObject;
+import ws.schild.jave.info.MultimediaInfo;
+
+import java.io.*;
+import java.text.SimpleDateFormat;
+import java.util.TimeZone;
+
+/**
+ * @author tykj
+ */
+@Slf4j
+public class VideoUtil {
+    /**
+     * 上传视频，获取视频时长，返回毫秒
+     * @param url
+     * @return
+     */
+    public static long getDurationBackMillis(String url){
+        if(url != null){
+            try{
+                // 根据上传的文件名字，构建初始化的文件对象（临时文件），这个文件是空的
+                File file = new File(url);
+//                File file = new File(multipartFile.getOriginalFilename());
+                // 通过工具类，将文件拷贝到空的文件对象中
+//                FileUtils.copyInputStreamToFile(multipartFile.getInputStream(), file);
+                // 将普通文件对象转换为媒体对象
+                MultimediaObject multimediaObject = new MultimediaObject(file);
+                // 获取媒体对象的信息对象
+                MultimediaInfo info = multimediaObject.getInfo();
+                // 从媒体信息对象中获取媒体的时长，单位是：ms
+                long duration = info.getDuration();
+                // 删除临时文件
+                file.delete();
+                return duration;
+            } catch(Exception e){
+                log.error(e.toString());
+                return 0L;
+            }
+        }
+        return 0L;
+    }
+    /**
+     * 上传视频，获取视频时长，返回时分秒字符串
+     * @param url
+     * @return
+     */
+    public static String getDurationBackString(String url){
+        // 获取视频时长，返回毫秒
+        long duration = getDurationBackMillis(url);
+        // 毫秒转时分秒的转换
+        // 日期格式化对象，给时分秒格式
+        SimpleDateFormat formatter = new SimpleDateFormat("HH:mm:ss");
+        // 这里很重要，如果不设置时区的话，输出结果就会是几点钟，而不是毫秒值对应的时分秒数量了。
+        formatter.setTimeZone(TimeZone.getTimeZone("GMT+00:00"));
+        // 毫秒转化为字符串
+        return formatter.format(duration);
+    }
+
+
+    public static File multipartFileToFile(MultipartFile file) throws Exception {
+        File toFile = null;
+        if (file.equals("") || file.getSize() <= 0) {
+            file = null;
+        } else {
+            InputStream ins = null;
+            ins = file.getInputStream();
+            toFile = new File(file.getOriginalFilename());
+            inputStreamToFile(ins, toFile);
+            ins.close();
+        }
+        return toFile;
+
+    }
+
+
+
+    private static void inputStreamToFile(InputStream ins, File file) {
+        try {
+            OutputStream os = new FileOutputStream(file);
+            int bytesRead = 0;
+            byte[] buffer = new byte[8192];
+            while ((bytesRead = ins.read(buffer, 0, 8192)) != -1) {
+                os.write(buffer, 0, bytesRead);
+            }
+            os.close();
+            ins.close();
+        } catch (Exception e) {
+        }
+    }
+
+
+}

src/main/java/com/example/train/controller/Controller.java

+package com.example.train.controller;
+
+import com.example.train.config.VideoConfig;
+import com.example.train.config.VideoUtil;
+import com.example.train.pojo.*;
+import com.example.train.service.ParticularsService;
+import com.example.train.service.VideoService;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.IOException;
+import java.text.ParseException;
+import java.util.List;
+
+/**
+ * @author tykj
+ */
+@RestController
+@RequestMapping("/model4")
+@Api(tags = "浙江省培训管理系统",description = "基础接口")
+public class Controller {
+
+    @Autowired
+   private ParticularsService particularsService;
+
+    @Autowired
+    private VideoService videoService;
+
+
+
+    @GetMapping("/findParticulars")
+    @ApiOperation(value = "根据ID查询培训详情")
+    public Particulars findParticularsById(Integer id){
+        return particularsService.findParticularsById(id);
+    }
+
+    @PostMapping("/findAll")
+    @ApiOperation(value = "动态查询培训信息")
+    public PagePojo findAll(ParticularsCondition particularsCondition) {
+        return particularsService.findAll(particularsCondition);
+    }
+
+
+    @PostMapping("/saveParticulars")
+    @ApiOperation(value = "发起培训")
+    public Particulars saveParticulars(Particulars particulars, MultipartFile file1,MultipartFile file2) throws IOException {
+        String upload1 = particularsService.upload(file1);
+        String upload2 = particularsService.upload(file2);
+        particulars.setCoursewareUpload(upload1);
+        particulars.setDataUpload(upload2);
+        return particularsService.saveOne(particulars);
+    }
+
+
+    @PostMapping("/saveVideo")
+    @ApiOperation(value = "视频上传")
+    public Video saveVideo(Video video,MultipartFile videoFile) throws IOException{
+
+        String videoUpload = videoService.uploadVideo(videoFile);
+        video.setVideoUpload(videoUpload);
+        video.setVideoLength(VideoUtil.getDurationBackString(videoUpload));
+        return videoService.saveVideo(video);
+    }
+
+    @PostMapping("findVideo")
+    @ApiOperation(value = "视频动态查询")
+    public PagePojo findVideo(VideoCondition videoCondition){
+        return videoService.findVideo(videoCondition);
+    }
+
+    @DeleteMapping("deleteById")
+    @ApiOperation(value = "根据ID批量删除对象")
+    public ResponseEntity deleteById(@RequestBody List<Integer> deleteIds){
+        videoService.deleteById(deleteIds);
+        return ResponseEntity.status(403).body("成功删除");
+    }
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+}

src/main/java/com/example/train/dao/ParticularsChildrenDao.java

+package com.example.train.dao;
+
+import com.example.train.pojo.ParticularsChildren;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.List;
+
+/**
+ * @author tykj
+ */
+public interface ParticularsChildrenDao extends JpaRepository<ParticularsChildren,Integer> {
+
+
+    /**
+     * 根据培训ID查询培训对象
+     * @param integer
+     * @return
+     */
+    List<ParticularsChildren> findParticularsChildrenByTrainingId(Integer integer);
+
+
+}

src/main/java/com/example/train/dao/ParticularsDao.java

+package com.example.train.dao;
+
+import com.example.train.pojo.Particulars;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
+
+/**
+ * @author tykj
+ */
+public interface ParticularsDao extends JpaRepository<Particulars,Integer>, JpaSpecificationExecutor<Particulars> {
+}

src/main/java/com/example/train/dao/VideoDao.java

+package com.example.train.dao;
+
+import com.example.train.pojo.Video;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
+
+import javax.transaction.Transactional;
+import java.util.List;
+
+/**
+ * @author tykj
+ */
+public interface VideoDao extends JpaRepository<Video,Integer>, JpaSpecificationExecutor<Video> {
+
+
+    /**
+     * 批量删除视频文件
+     * @param ids
+     */
+    @Transactional(rollbackOn =Exception.class)
+    void deleteAllByIdIn(List<Integer> ids);
+}

src/main/java/com/example/train/pojo/PagePojo.java

+package com.example.train.pojo;
+
+
+import io.swagger.annotations.ApiModel;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+
+/**
+ * @author tykj
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@ApiModel("培训信息页面")
+public class PagePojo {
+
+    /**
+     *数量
+     */
+    private Long total;
+    /**
+     *页码
+      */
+    private Integer page;
+    /**
+     *请求数量
+     */
+    private Integer pageSize;
+
+    /**
+     *数据
+     */
+    private List<ParticularsVO> particularsVOList;
+
+    /**
+     *数据
+     */
+    private List<Video> videoList;
+
+
+}

src/main/java/com/example/train/pojo/Particulars.java

+package com.example.train.pojo;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import org.springframework.format.annotation.DateTimeFormat;
+
+import javax.persistence.*;
+import java.util.Date;
+import java.util.List;
+
+/**
+ * @author tykj
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Entity
+@ApiModel("培训详情")
+public class Particulars {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @ApiModelProperty(value = "培训主键ID",example = "1")
+    private Integer id;
+
+    @ApiModelProperty(value = "发起人",example = "小明")
+    private String name;
+
+    @ApiModelProperty(value = "培训类型",example = "线上培训")
+    private String type;
+
+    @ApiModelProperty(value = "培训主题",example = "学习十九大精神")
+    private String typeTitle;
+
+    @JsonFormat(shape =JsonFormat.Shape.STRING,pattern = "yyyy-MM-dd",timezone ="GMT+8")
+    @DateTimeFormat(pattern= "yyyy-MM-dd")
+    @ApiModelProperty(value = "报名截止时间",example = "2022-1-1")
+    private Date applyDate;
+
+    @JsonFormat(shape =JsonFormat.Shape.STRING,pattern = "yyyy-MM-dd",timezone ="GMT+8")
+    @DateTimeFormat(pattern= "yyyy-MM-dd")
+    @ApiModelProperty(value = "培训开始时间",example = "2022-1-1")
+    private Date trainStartDate;
+
+    @JsonFormat(shape =JsonFormat.Shape.STRING,pattern = "yyyy-MM-dd",timezone ="GMT+8")
+    @DateTimeFormat(pattern= "yyyy-MM-dd")
+    @ApiModelProperty(value = "培训结束时间",example = "2022-1-1")
+    private Date trainEndDate;
+
+    @ApiModelProperty(value = "主办单位",example = "浙江省机要局")
+    private String hostUnit;
+
+    @ApiModelProperty(value = "培训简介",example = "输入一段简介文字")
+    private String process;
+
+    @JsonFormat(shape =JsonFormat.Shape.STRING,pattern = "yyyy-MM-dd",timezone ="GMT+8")
+    @DateTimeFormat(pattern= "yyyy-MM-dd")
+    @ApiModelProperty(value = "考试时间",example = "2022-1-1")
+    private Date examDate;
+
+    @ApiModelProperty(value = "考试时长",example = "60")
+    private Long examTime;
+
+    @ApiModelProperty(value = "试卷",example = "1")
+    private Integer examPaper;
+
+    @ApiModelProperty(value = "课件上传",example = "课件保存路径")
+    private String coursewareUpload;
+
+    @ApiModelProperty(value = "资料上传",example = "资料保存路径")
+    private String dataUpload;
+
+    @Transient
+    @ApiModelProperty(value = "培训对象",example = "杭州市机要局")
+    private List<ParticularsChildren> particularsChildrenList;
+
+
+
+
+
+
+
+}

src/main/java/com/example/train/pojo/ParticularsChildren.java

+package com.example.train.pojo;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+
+/**
+ * @author tykj
+ */
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Entity
+@ApiModel("培训对象")
+public class ParticularsChildren {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @ApiModelProperty(value = "培训对象ID",example = "1")
+    private Integer id;
+
+    @ApiModelProperty(value = "培训ID",example = "1")
+    private Integer trainingId;
+
+    @ApiModelProperty(value = "地区名",example = "浙江")
+    private String areaName;
+
+    @ApiModelProperty(value = "单位名",example = "科技管理处")
+    private String mechanismName;
+
+
+}

src/main/java/com/example/train/pojo/ParticularsCondition.java

+package com.example.train.pojo;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import org.springframework.format.annotation.DateTimeFormat;
+
+import java.util.Date;
+
+/**
+ * @author tykj
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@ApiModel("培训查询条件")
+public class ParticularsCondition {
+
+    @JsonFormat(shape =JsonFormat.Shape.STRING,pattern = "yyyy-MM-dd",timezone ="GMT+8")
+    @DateTimeFormat(pattern= "yyyy-MM-dd")
+    @ApiModelProperty(value = "培训开始时间",example = "2022-1-1")
+    private Date trainStartDate;
+
+    @JsonFormat(shape =JsonFormat.Shape.STRING,pattern = "yyyy-MM-dd",timezone ="GMT+8")
+    @DateTimeFormat(pattern= "yyyy-MM-dd")
+    @ApiModelProperty(value = "培训结束时间",example = "2022-1-1")
+    private Date trainEndDate;
+
+    @ApiModelProperty(value = "培训主题",example = "学习十九大精神")
+    private String typeTitle;
+
+    @ApiModelProperty(value = "页码",example = "1")
+    private Integer page;
+
+    @ApiModelProperty(value = "请求数量",example = "1")
+    private Integer pageSize;
+
+
+}

src/main/java/com/example/train/pojo/ParticularsVO.java

+package com.example.train.pojo;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import org.springframework.format.annotation.DateTimeFormat;
+
+import java.util.Date;
+
+/**
+ * @author tykj
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class ParticularsVO {
+
+    @ApiModelProperty(value = "序号ID",example = "1")
+    private Integer id;
+
+    @ApiModelProperty(value = "培训主题",example = "学习十九大精神")
+    private String typeTitle;
+
+    @ApiModelProperty(value = "主办单位",example = "浙江省机要局")
+    private String hostUnit;
+
+
+    @ApiModelProperty(value = "培训发起人",example = "小明")
+    private String name;
+
+    @JsonFormat(shape =JsonFormat.Shape.STRING,pattern = "yyyy-MM-dd",timezone ="GMT+8")
+    @DateTimeFormat(pattern= "yyyy-MM-dd")
+    @ApiModelProperty(value = "培训日期",example = "2022-1-1")
+    private Date trainStartDate;
+
+    @ApiModelProperty(value = "培训类型",example = "线上培训")
+    private String type;
+
+    @ApiModelProperty(value = "培训状态",example = "报名中")
+    private String trainState;
+
+
+
+}

src/main/java/com/example/train/pojo/Video.java

+package com.example.train.pojo;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+
+/**
+ * @author tykj
+ */
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Entity
+@ApiModel("视频详情")
+public class Video {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @ApiModelProperty(value = "视频主键ID",example = "1")
+    private Integer id;
+
+    @ApiModelProperty(value = "视频标题",example = "输入一段文字")
+    private String videoTitle;
+
+    @ApiModelProperty(value = "视频分类",example = "分类1")
+    private String videoType;
+
+    @ApiModelProperty(value = "视频简介",example = "输入一段文字")
+    private String videoProcess;
+
+    @ApiModelProperty(value = "视频上传",example = "视频保存路径")
+    private String videoUpload;
+
+    @ApiModelProperty(value = "视频长度",example = "30")
+    private String videoLength;
+
+
+
+
+}

src/main/java/com/example/train/pojo/VideoCondition.java

+package com.example.train.pojo;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * @author tykj
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@ApiModel("视频和资料关键字查询")
+public class VideoCondition {
+
+    @ApiModelProperty(value = "主题",example = "学习十九大精神")
+    private String typeTitle;
+
+    @ApiModelProperty(value = "简介",example = "输入一段文字")
+    private String typeProcess;
+
+    @ApiModelProperty(value = "视频分类",example = "输入一段文字")
+    private String videoType;
+
+    @ApiModelProperty(value = "页码",example = "1")
+    private Integer page;
+
+    @ApiModelProperty(value = "请求数量",example = "1")
+    private Integer pageSize;
+}

src/main/java/com/example/train/service/ParticularsChildrenService.java

+package com.example.train.service;
+
+/**
+ * @author tykj
+ */
+public interface ParticularsChildrenService {
+}

src/main/java/com/example/train/service/ParticularsService.java

+package com.example.train.service;
+
+import com.example.train.pojo.PagePojo;
+import com.example.train.pojo.Particulars;
+import com.example.train.pojo.ParticularsCondition;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.IOException;
+import java.text.ParseException;
+
+/**
+ * @author tykj
+ */
+public interface ParticularsService {
+
+
+    /**
+     * 根据ID查询培训详情
+     * @param id
+     * @return
+     */
+   Particulars findParticularsById(Integer id);
+
+    /**
+     * 根据条件动态查询培训信息
+     * @param particularsCondition
+     * @return
+     * @throws ParseException
+     */
+   PagePojo findAll(ParticularsCondition particularsCondition);
+
+
+    /**
+     * 文件上传
+     * @param file
+     * @return
+     * @throws IOException
+     */
+   String upload(MultipartFile file) throws IOException;
+
+
+    /**
+     * 发起培训
+     * @param particularsSave
+     * @return
+     */
+   Particulars saveOne(Particulars particularsSave);
+
+}

src/main/java/com/example/train/service/VideoService.java

+package com.example.train.service;
+
+import com.example.train.pojo.PagePojo;
+import com.example.train.pojo.Particulars;
+import com.example.train.pojo.Video;
+import com.example.train.pojo.VideoCondition;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.IOException;
+import java.util.List;
+
+/**
+ * @author tykj
+ */
+public interface VideoService {
+
+
+    /**
+     * 视频上传
+     * @param file
+     * @return
+     * @throws IOException
+     */
+    String uploadVideo(MultipartFile file) throws IOException;
+
+    /**
+     * 创建视频
+     * @param video
+     * @return
+     */
+    Video saveVideo(Video video);
+
+    /**
+     * 动态查询视频信息
+     * @param videoCondition
+     * @return
+     */
+    PagePojo findVideo(VideoCondition videoCondition);
+
+
+    /**
+     * 批量删除视频
+     * @param deleteIds
+     */
+    void deleteById(List<Integer> deleteIds);
+}

src/main/java/com/example/train/service/impl/ParticularsChildrenServiceImpl.java

+package com.example.train.service.impl;
+
+import com.example.train.service.ParticularsChildrenService;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+
+/**
+ * @author tykj
+ */
+@Service
+@Slf4j
+public class ParticularsChildrenServiceImpl implements ParticularsChildrenService {
+}

src/main/java/com/example/train/service/impl/ParticularsServiceImpl.java

+package com.example.train.service.impl;
+
+import com.example.train.dao.ParticularsChildrenDao;
+import com.example.train.dao.ParticularsDao;
+import com.example.train.pojo.*;
+import com.example.train.service.ParticularsService;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.BeanUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.jpa.domain.Specification;
+import org.springframework.stereotype.Service;
+import org.springframework.web.multipart.MultipartFile;
+
+import javax.persistence.criteria.CriteriaBuilder;
+import javax.persistence.criteria.CriteriaQuery;
+import javax.persistence.criteria.Predicate;
+import javax.persistence.criteria.Root;
+import java.io.File;
+import java.io.IOException;
+import java.text.ParseException;
+import java.text.ParsePosition;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+
+/**
+ * @author tykj
+ */
+@Service
+@Slf4j
+public class ParticularsServiceImpl implements ParticularsService {
+
+
+    @Autowired
+    private ParticularsDao particularsDao;
+
+    @Autowired
+    private ParticularsChildrenDao particularsChildrenDao;
+
+
+
+    /**
+     * 文件上传方法
+     * @param file
+     * @return
+     * @throws IOException
+     */
+    @Override
+    public String upload(MultipartFile file) throws IOException {
+        //MultipartFile 接收前端传过来的文件
+        // 注意 前端传参的name要和MultipartFile的对象名保持一直 比如此处对象名为file 则前端传参的name也要为file
+        //获取上传文件的文件名
+        String oldName=file.getOriginalFilename();
+        //指定上传路径
+        String path="C:\\Intel\\上传文件夹\\";
+        //拼接成为新文件的路径
+        String filePath=path+oldName;
+        //创建新文件对象 指定文件路径为拼接好的路径
+        File newFile=new File(filePath);
+        //将前端传递过来的文件输送给新文件 这里需要抛出IO异常 throws IOException
+        file.transferTo(newFile);
+        //上传完成后将文件路径返回给前端用作图片回显或增加时的文件路径值等
+        return filePath;
+    }
+
+    @Override
+    public Particulars saveOne(Particulars particularsSave) {
+        List<ParticularsChildren> particularsChildren = particularsChildrenDao.saveAll(particularsSave.getParticularsChildrenList());
+        Particulars save = particularsDao.save(particularsSave);
+        save.setParticularsChildrenList(particularsChildren);
+        return findParticularsById(save.getId());
+    }
+
+
+    @Override
+    public Particulars findParticularsById(Integer id) {
+        List<ParticularsChildren> byTrainingId = particularsChildrenDao.findParticularsChildrenByTrainingId(id);
+        Particulars particulars = particularsDao.findById(id).get();
+        particulars.setParticularsChildrenList(byTrainingId);
+        return particulars;
+    }
+
+    @Override
+    public PagePojo findAll(ParticularsCondition particularsCondition){
+        //根据传入的数据，进行分页数据查询
+        PageRequest of = PageRequest.of(particularsCondition.getPage(), particularsCondition.getPageSize());
+
+        //动态查询构造器
+        Specification<Particulars> queryCondition = new Specification<Particulars>(){
+            @Override
+            public Predicate toPredicate(Root<Particulars> root, CriteriaQuery<?> query, CriteriaBuilder criteriaBuilder) {
+                List<Predicate> predicateList = new ArrayList<>();
+                if (particularsCondition.getTrainStartDate()!=null){
+                    predicateList.add(criteriaBuilder.greaterThan(root.get("trainStartDate").as(Date.class),particularsCondition.getTrainStartDate()));
+                }
+                if (particularsCondition.getTrainEndDate()!=null){
+                    predicateList.add(criteriaBuilder.lessThan(root.get("trainEndDate").as(Date.class),particularsCondition.getTrainEndDate()));
+                }
+                if (particularsCondition.getTypeTitle()!=null){
+                    predicateList.add(criteriaBuilder.like(root.get("typeTitle"),"%" + particularsCondition.getTypeTitle() + "%"));
+                }
+                return criteriaBuilder.and(predicateList.toArray(new Predicate[predicateList.size()]));
+            }
+        };
+
+        Page<Particulars> allParticulars = particularsDao.findAll(queryCondition,of);
+
+
+       //循环赋值，把对象倒入VO
+        List<ParticularsVO> particularsVOList =new ArrayList<>();
+        List<Particulars> contentParticulars = allParticulars.getContent();
+        for (Particulars particulars : contentParticulars){
+            ParticularsVO particularsVO = new ParticularsVO();
+            BeanUtils.copyProperties(particulars,particularsVO);
+            //当前时间小于报名时间
+            if (new Date().before(particulars.getApplyDate())){
+                particularsVO.setTrainState("报名中");
+                //当前时间大于报名时间，小于培训时间
+            }else if(new Date().after(particulars.getApplyDate()) && new Date().before(particulars.getTrainStartDate())){
+                particularsVO.setTrainState("待培训");
+                //当前时间大于培训时间，小于考试时间
+            }else if (new Date().after(particulars.getTrainStartDate()) && new Date().before(particulars.getExamDate())){
+                particularsVO.setTrainState("培训中");
+                //当前时间大于考试时间，小于培训结束时间
+            }else if(new Date().after(particulars.getExamDate()) && new Date().before(particulars.getTrainEndDate())){
+                particularsVO.setTrainState("待考试");
+                //当前时间大于培训结束时间
+            }else if(new Date().after(particulars.getTrainEndDate())){
+                particularsVO.setTrainState("培训结束");
+            }
+            particularsVOList.add(particularsVO);
+        }
+        PagePojo pagePojo = new PagePojo();
+        pagePojo.setPage(particularsCondition.getPage());
+        pagePojo.setPageSize(particularsCondition.getPageSize());
+        pagePojo.setTotal(allParticulars.getTotalElements());
+        pagePojo.setParticularsVOList(particularsVOList);
+
+        return pagePojo;
+    }
+
+
+}

src/main/java/com/example/train/service/impl/VideoServiceImpl.java

+package com.example.train.service.impl;
+
+import com.example.train.dao.VideoDao;
+import com.example.train.pojo.PagePojo;
+import com.example.train.pojo.Particulars;
+import com.example.train.pojo.Video;
+import com.example.train.pojo.VideoCondition;
+import com.example.train.service.VideoService;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.jpa.domain.Specification;
+import org.springframework.stereotype.Service;
+import org.springframework.web.multipart.MultipartFile;
+
+import javax.persistence.criteria.CriteriaBuilder;
+import javax.persistence.criteria.CriteriaQuery;
+import javax.persistence.criteria.Predicate;
+import javax.persistence.criteria.Root;
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @author tykj
+ */
+@Service
+@Slf4j
+public class VideoServiceImpl implements VideoService {
+
+    @Autowired
+    private VideoDao videoDao;
+
+    /**
+     * 文件上传方法
+     * @param file
+     * @return
+     * @throws IOException
+     */
+    @Override
+    public String uploadVideo(MultipartFile file) throws IOException {
+        //MultipartFile 接收前端传过来的文件
+        // 注意 前端传参的name要和MultipartFile的对象名保持一直 比如此处对象名为file 则前端传参的name也要为file
+        //获取上传文件的文件名
+        String oldName=file.getOriginalFilename();
+        //指定上传路径
+        String path="C:\\Intel\\视频文件夹\\";
+        //拼接成为新文件的路径
+        String filePath=path+oldName;
+        //创建新文件对象 指定文件路径为拼接好的路径
+        File newFile=new File(filePath);
+        //将前端传递过来的文件输送给新文件 这里需要抛出IO异常 throws IOException
+        file.transferTo(newFile);
+        //上传完成后将文件路径返回给前端用作图片回显或增加时的文件路径值等
+        return filePath;
+    }
+
+    @Override
+    public Video saveVideo(Video video) {
+        return videoDao.save(video);
+    }
+
+    @Override
+    public PagePojo findVideo(VideoCondition videoCondition) {
+        //根据传入的数据，进行分页数据查询
+        PageRequest of = PageRequest.of(videoCondition.getPage(), videoCondition.getPageSize());
+        //动态查询构造器
+        Specification<Video> queryCondition = new Specification<Video>() {
+            @Override
+            public Predicate toPredicate(Root<Video> root, CriteriaQuery<?> query, CriteriaBuilder criteriaBuilder) {
+                List<Predicate> predicateList = new ArrayList<>();
+                if(videoCondition.getTypeTitle()!=null){
+                    predicateList.add(criteriaBuilder.like(root.get("videoTitle"),"%" + videoCondition.getTypeTitle() + "%"));
+                }
+                if(videoCondition.getTypeProcess()!=null){
+                    predicateList.add(criteriaBuilder.like(root.get("videoProcess"),"%" + videoCondition.getTypeProcess() + "%"));
+                }
+                if (videoCondition.getVideoType()!=null){
+                    predicateList.add(criteriaBuilder.equal(root.get("videoType"),videoCondition.getVideoType()));
+                }
+
+                return criteriaBuilder.and(predicateList.toArray(new Predicate[predicateList.size()]));
+            }
+        };
+
+        Page<Video> videoDaoAll = videoDao.findAll(queryCondition, of);
+        List<Video> videoList = videoDaoAll.getContent();
+
+        PagePojo pagePojo = new PagePojo();
+         pagePojo.setPage(videoCondition.getPage());
+         pagePojo.setPageSize(videoCondition.getPageSize());
+         pagePojo.setVideoList(videoList);
+        return pagePojo;
+    }
+
+    @Override
+    public void deleteById(List<Integer> deleteIds) {
+        for (Integer id : deleteIds){
+            String videoUpload = videoDao.findById(id).get().getVideoUpload();
+            File file = new File(videoUpload);
+            file.delete();
+        }
+        videoDao.deleteAllByIdIn(deleteIds);
+    }
+}

src/main/resources/application.properties

+server.port=8084
+# mysql jdbc
+spring.datasource.url=jdbc:mysql://localhost:3306/train?serverTimezone=Asia/Shanghai&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull&useSSL=false
+spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
+spring.datasource.username=root
+spring.datasource.password=123456
+
+spring.jpa.hibernate.ddl-auto=update
+spring.servlet.multipart.max-file-size=1024MB
+spring.servlet.multipart.max-request-size=1024MB
+spring.jpa.show-sql=true
+spring.jpa.properties.hibernate.format_sql=true
+

src/test/java/com/example/train/TrainApplicationTests.java

+package com.example.train;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class TrainApplicationTests {
+
+    @Test
+    void contextLoads() {
+    }
+
+}