政策征求意见导出

adc-da-activiti/src/main/java/com/adc/da/workFlow/common/ExportExcel.java

@@ -0,0 +1,99 @@
+package com.adc.da.workFlow.common;
+
+import com.alibaba.fastjson.JSONArray;
+import com.alibaba.fastjson.JSONObject;
+import org.apache.commons.lang.StringUtils;
+import org.apache.poi.ss.usermodel.*;
+import org.apache.poi.xssf.usermodel.XSSFWorkbook;
+import sun.awt.SunHints;
+
+
+import java.util.List;
+import java.util.Map;
+
+public class ExportExcel<T> {
+
+    private String header;
+
+    private static String[] property;
+    Workbook workbook=new XSSFWorkbook();
+
+    public void setProperty(String property){
+        this.property=property.split(",");
+    }
+
+    public void setHeader(String header){
+        this.header=header;
+    }
+
+    public Workbook getWorkBook(T dataJson) throws Exception {
+        JSONArray dataArray = JSONObject.parseArray(dataJson.toString());
+
+        CellStyle cellStyle = workbook.createCellStyle();//初始化单元格格式对象
+        cellStyle.setAlignment(HorizontalAlignment.CENTER);
+
+
+        Sheet sheet = workbook.createSheet();
+        sheet.setDefaultColumnWidth(25);
+
+        createHeader(sheet,header);
+
+        createData(sheet,dataArray);
+
+        return workbook;
+    }
+
+
+    public static void createHeader(Sheet sheet, String header){
+
+        Row rowHeader = sheet.createRow(0);//开始创建标题行
+        if (StringUtils.isNotBlank(header)) {
+            String[] headerArr = header.split(",");
+            for (int i=0;i < headerArr.length; i++) {
+
+                rowHeader.createCell(i).setCellValue(headerArr[i]);
+
+            }
+        }
+    }
+
+
+
+    public static void createData(Sheet sheet, List<?> data) throws Exception{
+
+        if (data != null && !data.isEmpty()) {
+            for (int i=0;i < data.size(); i++) {
+
+                Row row = sheet.createRow(i+1);
+
+                int sheetNum = 0;
+
+                JSONObject datumJson  =(JSONObject)data.get(i);
+                /**
+                 * 遍历jsonObject值填入一行的单元格中
+                 */
+                for (String s : property) {
+                    String value = datumJson.getString(s);
+                    row.createCell(sheetNum).setCellValue(value);
+                    sheetNum++;
+                }
+//                Class cls = importDto.getClass();
+//                Field[] fields = cls.getDeclaredFields();
+//                for (Field field : fields) {
+//                    field.setAccessible(true);
+//                    if (field.get(importDto)!=null){
+//                        String value = field.get(importDto).toString();
+//                        row.createCell(sheetNum).setCellValue(value);
+//                    }else {
+//                        row.createCell(sheetNum).setCellValue("");
+//                    }
+//                    sheetNum++;
+//                }
+            }
+        }
+    }
+
+
+
+
+}

adc-da-activiti/src/main/java/com/adc/da/workFlow/controller/PolicyWorkFlowController.java

@@ -0,0 +1,53 @@
+package com.adc.da.workFlow.controller;
+
+import com.adc.da.common.ReadExcel;
+import com.adc.da.workFlow.common.ExportExcel;
+import com.alibaba.fastjson.JSONArray;
+import com.alibaba.fastjson.JSONObject;
+import com.google.gson.JsonObject;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import org.apache.poi.ss.usermodel.Workbook;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.*;
+
+import javax.servlet.ServletOutputStream;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+
+@RestController
+@RequestMapping("/${restPath}/policy/activiti")
+@Api(tags = "政策征求意见和重点法规或政策认证流程")
+public class PolicyWorkFlowController {
+
+
+    /**
+     * 政策征求意见导出
+     */
+    @PostMapping("/exportExcel")
+    @ApiOperation("导出政策征求意见为excel")
+    public void exportExcel(@RequestBody String dataJson, HttpServletResponse response, HttpServletRequest request) throws Exception {
+        JSONObject data = JSONObject.parseObject(dataJson);
+        JSONArray info = data.getJSONArray("dataList");
+
+
+        ExportExcel exportExcel = new ExportExcel();
+        exportExcel.setHeader("章节编号,章节名称,修改前,修改后,修改理由,原因,提出部门,提出人");
+        exportExcel.setProperty("chapterNumber,chapterName,oldText,newText,changeReason,reason,department,responUserName");
+        Workbook workbook=exportExcel.getWorkBook(info);
+
+
+        response.setContentType("application/vnd.ms-excel");
+        response.setHeader("Content-Disposition",
+                "attachment; filename=" +  ReadExcel.encodeFileName("政策征求意见"+".xlsx",request));
+//        response.setContentType("application/force-download");
+        ServletOutputStream outputStream = response.getOutputStream();
+        workbook.write(outputStream);
+        outputStream.flush();
+
+    }
+
+}