11

src/main/java/com/example/demo/controller/StudentController.java

@@ -11,6 +11,7 @@ import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
 import java.util.List;
+import java.util.Map;
 
 /**
  * @author wen
@@ -23,7 +24,7 @@ public class StudentController {
     private StudentService studentService;
 
     @ApiOperation(value = "查询单个")
-   @GetMapping("/findone")
+   @GetMapping("/findOne")
     public Student finOne(Integer integer){
         return studentService.findOne(integer);
     }
@@ -35,7 +36,7 @@ public class StudentController {
     }
 
     @ApiOperation(value = "条件查询")
-    @GetMapping("/findTj")
+    @PostMapping("/findTj")
     public ResponseEntity<Page<Student>> findTj(@RequestBody Student student){
         Page<Student> students =studentService.findTj(student);
      return ResponseEntity.ok(students);
@@ -61,7 +62,52 @@ public class StudentController {
 
     @ApiOperation(value = "删除全部")
     @DeleteMapping("/deleteAll")
-    public void deleteAll(Student student) {
-        studentService.deleteAll(student);
+    public void deleteAll( ) {
+        studentService.deleteAll();
+    }
+
+    @ApiOperation(value = "随机保存姓名年龄")
+    @PostMapping("/saveRandomly")
+    public Student saveRandomly(){
+        return studentService.saveRandomly();
+    }
+
+    @ApiOperation(value = "查询各个年龄段")
+    @GetMapping("/findAge")
+    public  Map<String,List<Student>> findDigit(){
+        return studentService.findDigit();
+    }
+    @ApiOperation(value = "查询各个年龄段男女数量")
+    @GetMapping("/findGender")
+    public  Map<String,List<Student>> findGender(){
+        return studentService.findGender();
+    }
+    @ApiOperation(value = "查询男女各个年龄段数量")
+    @GetMapping("/findGenderAge")
+    public  Map<String,List<Student>> findDigitGender(){
+        return studentService.findDigitGender();
+    }
+    @ApiOperation(value = "用*替换名字")
+    @GetMapping("/replace")
+    public List<Student> replace(){
+        return studentService.replaceName();
+    }
+
+    @ApiOperation(value = "用*替换中间字")
+    @GetMapping("/replaceMiddle")
+    public List<Student> replaceMiddle(){
+        return studentService.replace();
+    }
+
+    @ApiOperation(value = "按年查出每年的人数")
+    @GetMapping("/findYear")
+    public  Map<String, List<Student>> findYear(){
+
+        return studentService.findYear();
+    }
+    @ApiOperation(value = "分页查询模糊查询名字 根据年份查询人数")
+    @GetMapping("/findNameYear")
+    public  Page<Student> findNameYear(String name ,Integer page, Integer pageSize,Integer year){
+        return  studentService.findNameYear(name,page,pageSize,year);
     }
 }

src/main/java/com/example/demo/dao/StudentDao.java

 package com.example.demo.dao;
 
 import com.example.demo.pojo.Student;
+import io.swagger.models.auth.In;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.jpa.repository.support.JpaRepositoryImplementation;
 
 import java.util.List;

src/main/java/com/example/demo/pojo/Student.java

 package com.example.demo.pojo;
 
+import com.fasterxml.jackson.annotation.JsonFormat;
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
 import javax.persistence.*;
+import java.io.Serializable;
+import java.time.LocalDate;
 import java.util.List;
 
 /**
@@ -14,8 +17,7 @@ import java.util.List;
 @AllArgsConstructor
 @NoArgsConstructor
 @Entity
-/*@SQLDelete(sql = "update ass_taskdetail set is_deleted =1 where id =?")
-@Where(clause = "is_delete = 0")*/
+
 public class Student {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
@@ -24,5 +26,6 @@ public class Student {
     private Integer age;
     private String gender;
     private String height;
-
+    @JsonFormat(pattern = "yyyy-MM-dd")
+    private LocalDate date;
 }

src/main/java/com/example/demo/service/StudentService.java

@@ -3,7 +3,9 @@ package com.example.demo.service;
 import com.example.demo.pojo.Student;
 import org.springframework.data.domain.Page;
 
+import java.time.LocalDate;
 import java.util.List;
+import java.util.Map;
 
 /**
  * @author wen
@@ -50,7 +52,58 @@ public interface StudentService {
 
     /**
      * 删除全部
-     * @param student
+     * @param
+     */
+    void deleteAll();
+
+    /**
+     * 随机保存姓名年龄等字段
+     * @param
+     * @return
+     */
+    Student saveRandomly();
+
+    /**
+     * 查询排序0-10 11-20 21-30 31-40 41-50 51-60
+     * @param
+     * @return
+     */
+    Map<String,List<Student>> findDigit();
+
+    /**
+     * 查询各个年龄段的人男女
+     * @return
+     */
+    Map<String,List<Student>> findGender();
+
+    /**
+     * 查询男女各个年龄段的数量
+     * @return0
+     */
+    Map<String,List<Student>> findDigitGender();
+
+    /**替换最后一个字为*
+     *
+     * @return
+     */
+    List<Student> replaceName();
+
+    /**
+     * 替换中间字为*
+     * @return
+     */
+    List<Student> replace();
+
+    /**
+     * /按年过滤出每年有那些人
+     * @return
+     */
+    Map<String, List<Student>> findYear();
+
+    /**
+     * 分页查询 名字模糊查询 输入年份查询人数
+     * @param
+     * @return
      */
-    void deleteAll(Student student);
+    Page<Student> findNameYear(String name ,Integer page, Integer pageSize,Integer year);
 }

src/main/resources/application.properties

 
 
 
-server.port=8081
+server.port=8089
 
 # mysql jdbc
 spring.datasource.url=jdbc:mysql://localhost:3306/demo?serverTimezone=Asia/Shanghai&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull&useSSL=false