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2022-01-22 3a91b4d850f4b2b9a42270070ba5bffcac1de97c 
 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();


      }


   }








}