From 3a91b4d850f4b2b9a42270070ba5bffcac1de97c Mon Sep 17 00:00:00 2001
From: Administrator <admin>
Date: Sat, 22 Jan 2022 09:40:56 +0800
Subject: [PATCH] 使用easyExcel 通过填充模板的方式填入多表格带标题数据的导出
---
src/main/java/org/springblade/modules/exam/controller/ExamPaperController.java | 91 ++++++++++++++++++++++++++++++++++++++++++---
1 files changed, 84 insertions(+), 7 deletions(-)
diff --git a/src/main/java/org/springblade/modules/exam/controller/ExamPaperController.java b/src/main/java/org/springblade/modules/exam/controller/ExamPaperController.java
index 63aa2cb..52ebfec 100644
--- a/src/main/java/org/springblade/modules/exam/controller/ExamPaperController.java
+++ b/src/main/java/org/springblade/modules/exam/controller/ExamPaperController.java
@@ -16,39 +16,50 @@
*/
package org.springblade.modules.exam.controller;
+import com.alibaba.excel.EasyExcel;
+import com.alibaba.excel.ExcelWriter;
+import com.alibaba.excel.write.metadata.WriteSheet;
+import com.alibaba.excel.write.metadata.fill.FillConfig;
+import com.alibaba.excel.write.metadata.fill.FillWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.github.xiaoymin.knife4j.annotations.ApiOperationSupport;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import lombok.AllArgsConstructor;
+import org.apache.commons.codec.Charsets;
import org.springblade.core.boot.ctrl.BladeController;
+import org.springblade.core.excel.util.ExcelUtil;
import org.springblade.core.mp.support.Condition;
import org.springblade.core.mp.support.Query;
import org.springblade.core.tool.api.R;
+import org.springblade.core.tool.utils.DateUtil;
import org.springblade.core.tool.utils.Func;
import org.springblade.modules.FTP.FtpUtil;
import org.springblade.modules.apply.entity.Apply;
import org.springblade.modules.exam.entity.ExamPaper;
import org.springblade.modules.exam.entity.ExamSubjectChoices;
+import org.springblade.modules.exam.excel.ExportExamScoreExcel;
import org.springblade.modules.exam.service.ExamPaperService;
-import org.springblade.modules.exam.vo.ExamPaperSubjectVO;
-import org.springblade.modules.exam.vo.ExamPaperVO;
-import org.springblade.modules.exam.vo.ExamStatisticsVO;
-import org.springblade.modules.exam.vo.ExamSubjectChoicesVO;
+import org.springblade.modules.exam.vo.*;
import org.springblade.modules.exam.wrapper.ExamPaperWrapper;
import org.springblade.modules.system.entity.User;
import org.springblade.modules.system.service.IUserService;
import org.springblade.modules.training.entity.TrainExam;
import org.springblade.modules.training.entity.TrainingRegistration;
import org.springblade.modules.training.service.TrainingRegistrationService;
+import org.springframework.core.io.ClassPathResource;
import org.springframework.web.bind.annotation.*;
import springfox.documentation.annotations.ApiIgnore;
+import javax.servlet.http.HttpServletResponse;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URLEncoder;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
-import java.util.Date;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
+import java.util.stream.Collectors;
/**
* 控制器
@@ -444,6 +455,72 @@
return R.data(pages);
}
+ /**
+ * 导出考试统计情况信息
+ * @param examScoreVO 需要传三个参数 1：培训学校名称，2:培训学校id 3:日期 4：考试类型，培训考试
+ */
+ @GetMapping("export-examStatistics")
+ public void exportExamStatistics(HttpServletResponse response, ExamScoreVO examScoreVO) throws Exception {
+ try{
+ //获取考试情况统计数据
+ List<ExamStatisticsVO> list1 = examPaperService.getExamInfoByExamIdList(examScoreVO);
+
+ //获取考试成绩明细
+ List<ExamScoreVO> list2 = examPaperService.getExamScoreList(examScoreVO);
+
+ //模板路径
+ String templateFileName = "xls" + File.separator + "examStatistics.xlsx";
+ //读取模板输入流
+ InputStream resourceAsStream = this.getClass().getClassLoader().getResourceAsStream(templateFileName);
+
+ //设置文件名称
+ String fileName = URLEncoder.encode(examScoreVO.getCompanyName()+examScoreVO.getExamDate()+"考试情况数据"+ DateUtil.time(), Charsets.UTF_8.name());
+ //设置文件类型
+ response.setContentType("application/vnd.ms-excel");
+ //设置编码格式
+ response.setCharacterEncoding("utf-8");
+ response.setHeader("Content-disposition", "attachment;filename=" + fileName + ".xlsx");
+
+ //创建excel
+ ExcelWriter excelWriter = EasyExcel.write(response.getOutputStream()).withTemplate(resourceAsStream).build();
+ //创建sheet
+ WriteSheet writeSheet = EasyExcel.writerSheet().build();
+ FillConfig fillConfig = FillConfig.builder().forceNewRow(Boolean.TRUE).build();
+
+ // 如果有多个list 模板上必须有{前缀.} 这里的前缀就是 a，然后多个list必须用 FillWrapper包裹
+ excelWriter.fill(new FillWrapper("a", list1), fillConfig, writeSheet);
+ excelWriter.fill(new FillWrapper("b", list2), fillConfig, writeSheet);
+
+ //其他数据写入 map
+ Map map = new HashMap<>();
+ //计算总的报名人数，异常人数，缺考人数，合格人数，
+ int znum = list1.stream().mapToInt(ExamStatisticsVO::getZnum).sum();
+ int ycnum = list1.stream().mapToInt(ExamStatisticsVO::getYcnum).sum();
+ int qknum = list1.stream().mapToInt(ExamStatisticsVO::getQknum).sum();
+ int yknum = list1.stream().mapToInt(ExamStatisticsVO::getYknum).sum();
+ map.put("znumTotal",znum);
+ map.put("ycnumTotal",ycnum);
+ map.put("qknumTotal",qknum);
+ map.put("yknumTotal",yknum);
+
+ //计算占比，格式化小数
+ DecimalFormat df = new DecimalFormat("0.00");
+ //返回的是String类型,缺考人数占比
+ map.put("absentProportionTotal",df.format((float)qknum/znum*100));
+
+ //合格人数占比
+ DecimalFormat df1 = new DecimalFormat("0.00");
+ map.put("qualifiedProportionTotal",df1.format((float)yknum/znum*100));
+
+ excelWriter.fill(map, writeSheet);
+
+ //关闭流
+ excelWriter.finish();
+ }catch (Exception e){
+ e.printStackTrace();
+ }
+ }
+
}
--
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