修改下载的excel格式

license/src/main/java/iot/sixiang/license/controller/ResourceContrller.java

 package iot.sixiang.license.controller;
 
-import iot.sixiang.license.resource.ResourceMnnager;
+import iot.sixiang.license.resource.ResourceManager;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -16,13 +16,13 @@ import java.io.IOException;
 public class ResourceContrller {
 
     @Autowired
-    ResourceMnnager resourceMnnager;
+    ResourceManager resourceManager;
 
     @GetMapping("/download")
     public void downloadWorkHourRecordTemplate(HttpServletResponse response, @RequestParam(value = "userId") int userId) {
 
         try {
-            resourceMnnager.downloadDeviceInfoExcle(response, userId);
+            resourceManager.downloadDeviceInfoExcle(response, userId);
         } catch (IOException e) {
             e.printStackTrace();
         }

license/src/main/java/iot/sixiang/license/resource/ResourceMnnager.java → license/src/main/java/iot/sixiang/license/resource/ResourceManager.java

@@ -6,7 +6,6 @@ import iot.sixiang.license.service.ResourceService;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.poi.hssf.usermodel.*;
 import org.apache.poi.ss.usermodel.HorizontalAlignment;
-import org.apache.poi.ss.util.CellRangeAddress;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
@@ -17,7 +16,7 @@ import java.util.List;
 
 @Component
 @Slf4j
-public class ResourceMnnager {
+public class ResourceManager {
 
     @Autowired
     ResourceService resourceService;
@@ -33,68 +32,83 @@ public class ResourceMnnager {
             // 修改后
             String name = new String(filename.getBytes("utf-8"), "iso-8859-1");
             response.setHeader("Content-Disposition", "attachment; filename = " + name);
-
             String sheetName = "用户设备信息表";
             //第一步创建workbook
             wb = new HSSFWorkbook();
 
             //第二步创建sheet
             HSSFSheet sheet = wb.createSheet();
+            wb.setSheetName(0, sheetName);
+            sheet.setDefaultColumnWidth(20);
 
-            //第三步创建行row:添加表头0行
-            //4个参数依次为：开始行，结束行，开始列，结束列
-            sheet.addMergedRegion(new CellRangeAddress(0, 0, 0, 5));
-            HSSFRow row = sheet.createRow(0);
-
-            HSSFCell cell1 = row.createCell(0);
-            cell1.setCellValue("用户设备信息表");
-
+            //设置表格格式
             HSSFCellStyle style = wb.createCellStyle();
             style.setAlignment(HorizontalAlignment.CENTER);  //居中
 
-            HSSFRow row1 = sheet.createRow(1);
+            //第三步创建行row:添加表头0行
+            HSSFRow row = sheet.createRow((short)0);
 
             //第四步创建单元格
-            HSSFCell cell = row1.createCell(0);         //第一个单元格
+            HSSFCell cell = row.createCell((short)0);         //第一个单元格
             cell.setCellValue("用户");                  //设定值
             cell.setCellStyle(style);                   //内容居中
 
-            cell = row1.createCell(1);                   //第二个单元格
+            cell = row.createCell((short)1);                   //第二个单元格
             cell.setCellValue("密码");
             cell.setCellStyle(style);
 
-            cell = row1.createCell(2);                   //第三个单元格
+            cell = row.createCell((short)2);                   //第三个单元格
             cell.setCellValue("公司名称");
             cell.setCellStyle(style);
 
-            cell = row1.createCell(3);                   //第四个单元格
+            cell = row.createCell((short)3);                   //第四个单元格
             cell.setCellValue("应用名称");
             cell.setCellStyle(style);
 
-            cell = row1.createCell(4);                   //第五个单元格
+            cell = row.createCell((short)4);                   //第五个单元格
             cell.setCellValue("appKey");
             cell.setCellStyle(style);
 
-            cell = row1.createCell(5);                   //第六个单元格
+            cell = row.createCell((short)5);                   //第六个单元格
             cell.setCellValue("SN");
             cell.setCellStyle(style);
-
             //第五步插入数据
             List<ResourceVo> resourceList = resourceService.getResource(userId);
-
-
             for (int i = 0; i < resourceList.size(); i++) {
                 ResourceVo resourceVo = resourceList.get(i);
                 //创建行
-                row = sheet.createRow(i + 2);
+                row = sheet.createRow((short)(i + 1));
                 //创建单元格并且添加数据
-                row.createCell(0).setCellValue(resourceVo.getUserName());
-                row.createCell(1).setCellValue(resourceVo.getPassword());
-                row.createCell(2).setCellValue(resourceVo.getCompany());
-                row.createCell(3).setCellValue(resourceVo.getAppName());
-                row.createCell(4).setCellValue(resourceVo.getAppKey());
-                row.createCell(5).setCellValue(resourceVo.getSn());
+                cell = row.createCell((short)0); //第一个单元格
+                cell.setCellValue(resourceVo.getUserName());
+                cell.setCellStyle(style);
+
+                cell = row.createCell((short)1); // 第二个单元格
+                cell.setCellValue(resourceVo.getPassword());
+                cell.setCellStyle(style);
+
+                cell = row.createCell((short)2); // 第三个单元格
+                cell.setCellValue(resourceVo.getCompany());
+                cell.setCellStyle(style);
+
+                cell = row.createCell((short)3); // 第四个单元格
+                cell.setCellValue(resourceVo.getAppName());
+                cell.setCellStyle(style);
+
+                cell = row.createCell((short)4); // 第五个单元格
+                cell.setCellValue(resourceVo.getAppKey());
+                cell.setCellStyle(style);
+
+                cell = row.createCell((short)5); // 第六个单元格
+                cell.setCellValue(resourceVo.getSn());
+                cell.setCellStyle(style);
             }
+            sheet.autoSizeColumn((short)0); //调整第一列宽度
+            sheet.autoSizeColumn((short)1); //调整第二列宽度
+            sheet.autoSizeColumn((short)2); //调整第三列宽度
+            sheet.autoSizeColumn((short)3); //调整第四列宽度
+            sheet.autoSizeColumn((short)4); //调整第五列宽度
+            sheet.autoSizeColumn((short)5); //调整第六列宽度
             wb.write(os);
         } catch (IOException e) {
             e.printStackTrace();