[模版] 修改生成pdf类

dev-file/src/main/java/com/tykj/dev/device/file/util/JavaToPdfHtmlFreeMarker.java

@@ -144,7 +144,7 @@ public class JavaToPdfHtmlFreeMarker {
     /**
      * freemarker渲染html
      */
-    public static String[] freeMarkerRender(Documents documents,String htmlPath) {
+    public static String[] freeMarkerRender1(Documents documents,String htmlPath) {
         Writer out = new StringWriter();
         String [] strings=new String[100000];
         int index=0;
@@ -182,6 +182,173 @@ public class JavaToPdfHtmlFreeMarker {
         return null;
     }
 
+
+    public static String[] freeMarkerRender(Documents documents,String htmlPath) {
+        Writer out = new StringWriter();
+        String [] strings=new String[100000];
+        int index=0;
+        try {
+            // 获取模板,并设置编码方式
+            Template template = freemarkerCfg.getTemplate("bill.html");
+            template.setEncoding("UTF-8");
+
+            List<DocumentDevice> list=documents.getDocumentDevices();
+            List<List<DocumentDevice>> listList=toDocList(list);
+            int count=listList.size();
+            for (int i=1; i<=3; i++){
+                Integer page=1;
+                for (List<DocumentDevice> list1:listList) {
+                    String htmlname=htmlPath+ UUID.randomUUID().toString()+".html";
+                    // 合并数据模型与模板
+                    FileWriter fileWriter = new FileWriter(new File(htmlname));
+                    template.process(toMap(documents,list1,MAP.get(i),page,count),fileWriter);
+                    out.flush();
+                    strings[index]=htmlname;
+                    index++;
+                    page++;
+                }
+            }
+            return strings;
+        } catch (Exception e) {
+            e.printStackTrace();
+        } finally {
+            try {
+                out.close();
+            } catch (IOException ex) {
+                ex.printStackTrace();
+            }
+        }
+        return null;
+    }
+
+    public static List<List<DocumentDevice>> toDocList(List<DocumentDevice> deviceList) throws UnsupportedEncodingException {
+        List<List<DocumentDevice>> lists=new ArrayList<>();
+        List<DocumentDevice> documentDevices=new ArrayList<>();
+        int i=0;
+        for (int j=0;j< deviceList.size();j++){
+            DocumentDevice documentDevice=deviceList.get(j);
+            int  max= toMax2(documentDevice);
+            if (i+max==14){
+                String s=String.join("",toListString(documentDevice.getDeviceSerialNumber(),56));
+                documentDevice.setOneCount(max);
+                documentDevice.setDeviceSerialNumber(s);
+                documentDevices.add(documentDevice);
+                lists.add(documentDevices);
+                documentDevices=new ArrayList<>();
+                i=0;
+            }else if (i+max>14){
+                //当前页面少了多少行
+                int differ=14-i;
+                List<String> modelList= toListString(documentDevice.getModel(),13);
+                List<String> seqList=toListString(documentDevice.getDeviceSerialNumber(),56);
+                List<String> pasList=toListString(documentDevice.getParts(),13);
+                DocumentDevice documentDevice1=new DocumentDevice();
+                if (modelList.size()>differ){
+                    documentDevice.setModel(String.join("",modelList.subList(0,differ)));
+                    documentDevice1.setModel(String.join("",modelList.subList(differ,modelList.size())));
+                }
+                if (seqList.size()>differ){
+                    documentDevice.setDeviceSerialNumber(String.join("",seqList.subList(0,differ)));
+                    documentDevice1.setDeviceSerialNumber(String.join("",seqList.subList(differ,seqList.size())));
+
+                }
+                if (pasList.size()>differ){
+                    documentDevice.setParts(String.join("",pasList.subList(0,differ)));
+                    documentDevice1.setParts(String.join("",pasList.subList(differ,pasList.size())));
+                }
+                documentDevice.setOneCount(differ);
+                documentDevices.add(documentDevice);
+                lists.add(documentDevices);
+                documentDevices=new ArrayList<>();
+                documentDevice1.setOneCount(max-differ);
+                documentDevices.add(documentDevice1);
+                i=max-differ;
+            }else {
+                String s=String.join("",toListString(documentDevice.getDeviceSerialNumber(),56));
+                documentDevice.setOneCount(max);
+                documentDevice.setDeviceSerialNumber(s);
+                documentDevices.add(documentDevice);
+                i=i+max;
+            }
+        }
+        if (documentDevices.size()!=0){
+            lists.add(documentDevices);
+        }
+        return lists;
+
+    }
+
+
+    private static int toMax2(DocumentDevice documentDevice){
+        int partsCount=String_length(documentDevice.getParts());
+        int deviceSerialNumberCount=String_length(documentDevice.getDeviceSerialNumber());
+        int modelCount=String_length(documentDevice.getModel());
+        int parts = (partsCount%13>0) ? partsCount/20 + 1 :  partsCount/13;
+        int deviceSerialNumber=(deviceSerialNumberCount%56>0) ? deviceSerialNumberCount/56 + 1 :  deviceSerialNumberCount/56;
+        int model=(modelCount%13>0) ? modelCount/13 + 1 :  modelCount/13;
+        int  max=parts;
+        //求最大
+        if(max<deviceSerialNumber){
+            max=deviceSerialNumber;
+
+        }
+        if(max<model) {
+            max = model;
+        }
+
+        return max;
+    }
+
+
+    private static List<String> toListString(String str,int len) throws UnsupportedEncodingException {
+
+        List<String> list =new ArrayList<>();
+        int stringLen=String_length(str);
+        if (stringLen>len){
+            boolean falg=true;
+            int i=0;
+            while (falg){
+                if ((i+1)*len>stringLen) {
+                    list.add(subString(str,i*len+1,stringLen,"GBK"));
+                    falg=false;
+                }else {
+                    list.add(subString(str,i*len+1,(i+1)*len,"GBK")+"<br/>");
+                    i++;
+                }
+            }
+            return list;
+        }else {
+            list.add(str);
+            return list;
+        }
+
+    }
+
+    public static String subString(String text, int start, int end, String encode) throws UnsupportedEncodingException {
+        if( text == null || text == "")
+            return null;
+        StringBuffer sb = new StringBuffer();
+        int currentLength = 0;
+        for( char c : text.toCharArray() )
+        {
+            currentLength += String.valueOf(c).getBytes(encode).length;
+            if( currentLength >= start && currentLength <= end )
+            {
+                sb.append(c);
+            }else {
+                continue;
+            }
+        }
+        return sb.toString();
+    }
+
+
+
+
+
+
+
+
     public static List<String> freeMarkerRenderList(Documents documents,String htmlPath) {
         Writer out = new StringWriter();
         List<String> listCont=new ArrayList<>();
@@ -191,7 +358,7 @@ public class JavaToPdfHtmlFreeMarker {
             template.setEncoding("UTF-8");
 
             List<DocumentDevice> list=documents.getDocumentDevices();
-            List<List<DocumentDevice>> listList=toList(list);
+            List<List<DocumentDevice>> listList=toDocList(list);
             int count=listList.size();
             for (int i=1; i<=3; i++){
                 Integer page=1;