导出

web/src/main/java/com/ibeetl/jlw/web/TeacherOpenCourseHandsOnController.java

@@ -1,8 +1,10 @@
 package com.ibeetl.jlw.web;
 
+import cn.hutool.core.collection.ListUtil;
 import cn.jlw.Interceptor.SCoreUser;
 import cn.jlw.util.ToolUtils;
 import cn.jlw.validate.ValidateConfig;
+import com.alibaba.fastjson.JSON;
 import com.ibeetl.admin.core.annotation.Function;
 import com.ibeetl.admin.core.entity.CoreUser;
 import com.ibeetl.admin.core.file.FileService;
@@ -240,6 +242,128 @@ public class TeacherOpenCourseHandsOnController{
     }
 
 
+    //
+    /**
+     * 实操列表导出信息
+     * @param teacherOpenCourseId 开课ID
+     * @param classId 班级ID
+     * @param coreUser
+     * @return
+     */
+    @GetMapping(MODEL + "/getHandsOnList/export.json")
+    public JsonResult<PageQuery> getHandsOnListExport(GetHandsOnListParam param,
+                                                                        HttpServletRequest request,
+                                                      HttpServletResponse response,
+                                                      @SCoreUser CoreUser coreUser) {
+        if(null == coreUser){
+            return JsonResult.failMessage("请登录后再操作");
+        }else{
+            PageQuery list = teacherOpenCourseHandsOnService.getHandsOnList(param);
+
+            HSSFWorkbook workbook = null;
+            try {
+                //表头数据
+                String[] header = {
+                        "项目名称",
+                        "观看视频平均得分",
+                        "观看PPT平均得分",
+                        "理论测评平均得分",
+                        "实训操作步骤平均得分",
+                        "报告撰写平均得分"
+                };
+                String[] headerCode = {
+                        "handsOnName",
+                        "videoAvgScore",
+                        "pptAvgScore",
+                        "theoryAvgScore",
+                        "stepAvgScore",
+                        "reportAvgScore"
+                };
+                //数据内容
+                List<TeacherOpenCourseHandsOnList> hands = list.getList();
+                //内容宽度
+                List<Map> mapList = JSON.parseArray(JSON.toJSONString(hands), Map.class);
+                Map<String, Object> widthMap = mapList.get(0);
+                //声明一个工作簿
+                workbook = new HSSFWorkbook();
+                //生成一个表格，设置表格名称为"Sheet1"
+                HSSFSheet sheet = workbook.createSheet("Sheet1");
+                //冻结表头
+                sheet.createFreezePane(0, 1, 0, 1);
+                //设置默认列宽度为5个字节
+                sheet.setDefaultColumnWidth(5);
+                //创建第一行表头
+                HSSFRow headRow = sheet.createRow(0);
+                //头部样式
+                HSSFCellStyle headerStyle = workbook.createCellStyle();
+                //垂直居中
+                headerStyle.setVerticalAlignment(VerticalAlignment.CENTER);
+                //水平居中
+                headerStyle.setAlignment(HorizontalAlignment.CENTER);
+                //单元格样式
+                HSSFCellStyle cellStyle = workbook.createCellStyle();
+                //垂直居中
+                cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);
+                //水平居左
+                cellStyle.setAlignment(HorizontalAlignment.CENTER);
+                //自动换行
+                cellStyle.setWrapText(true);
+                //遍历添加表头
+                for (int i = 0; i < header.length; i++) {
+                    //设置表格特定的列宽度
+                    if (null != widthMap.get(headerCode[i])) {
+                        String width = widthMap.get(headerCode[i]).toString().split("\\.")[0];
+                        int w = Math.max(width.length(), header[i].length() * 3);
+                        sheet.setColumnWidth(i, w * 190);
+                    }
+                    //创建一个单元格
+                    HSSFCell cell = headRow.createCell(i);
+                    //创建一个内容对象
+                    HSSFRichTextString text = new HSSFRichTextString(header[i]);
+                    //将内容对象的文字内容写入到单元格中
+                    cell.setCellValue(text);
+                    //设置样式
+                    cell.setCellStyle(headerStyle);
+                }
+                //遍历结果集，把内容加入表格
+                for (int i = 0; i < mapList.size(); i++) {
+                    HSSFRow row = sheet.createRow(i + 1);
+                    row.setHeight((short) (50*10));
+                    Map<String, Object> map = mapList.get(i);
+                    for (int j = 0; j < headerCode.length; j++) {
+                        HSSFCell cell = row.createCell(j);
+                        cell.setCellStyle(cellStyle);
+                        HSSFRichTextString text = new HSSFRichTextString(null != map.get(headerCode[j]) ? map.get(headerCode[j]).toString() : " ");
+                        cell.setCellValue(text);
+                    }
+                }
+                //准备将Excel的输出流通过response输出到页面下载
+                //八进制输出流
+                response.setContentType("application/octet-stream");
+                //这后面可以设置导出Excel的名称，此例中名为student.xls
+                String fileName = ToolUtils.web2fileName(request,"teacherOpenCourseHandsOn(" + TimeTool.getNowTime("YMD") + ").xls");
+                response.setHeader("Content-disposition", "attachment;filename="+fileName);
+                //刷新缓冲
+                response.flushBuffer();
+                //workbook将Excel写入到response的输出流中，供页面下载
+                workbook.write(response.getOutputStream());
+            }catch (Exception e){
+                e.printStackTrace();
+            } finally {
+                try {
+                    if (null != workbook) {
+                        workbook.close();
+                    }
+                    if (null != response && null != response.getOutputStream()) {
+                        response.getOutputStream().close();
+                    }
+                } catch (Exception e) { }
+            }
+
+            return  JsonResult.success(list);
+        }
+    }
+
     /**
      * 实操列表上方数值
      * @param teacherOpenCourseId 开课ID