gjh
3 weeks ago
6 changed files with 168 additions and 30 deletions
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package org.dromara.platform.controller; |
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import com.alibaba.excel.EasyExcel; |
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import jakarta.annotation.Resource; |
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import jakarta.servlet.http.HttpServletResponse; |
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import lombok.RequiredArgsConstructor; |
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import lombok.extern.slf4j.Slf4j; |
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import org.dromara.common.log.annotation.Log; |
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import org.dromara.common.log.enums.BusinessType; |
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import org.dromara.platform.domain.PerformanceManagement; |
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import org.dromara.platform.domain.PointInfo; |
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import org.dromara.platform.domain.bo.PerformanceManagementBo; |
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import org.dromara.platform.domain.bo.PointInfoBo; |
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import org.dromara.platform.domain.vo.PerformanceManagementVo; |
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import org.dromara.platform.domain.vo.PointInfoVo; |
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import org.dromara.platform.listener.PerformanceManagementListener; |
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import org.dromara.platform.listener.PointInfoListener; |
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import org.dromara.platform.service.IPointInfoService; |
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import org.dromara.platform.service.IProjectInfoService; |
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import org.dromara.platform.service.ProjectManagerService; |
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import org.springframework.validation.annotation.Validated; |
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import org.springframework.web.bind.annotation.PostMapping; |
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import org.springframework.web.bind.annotation.RequestMapping; |
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import org.springframework.web.bind.annotation.RestController; |
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import org.springframework.web.multipart.MultipartFile; |
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import java.io.IOException; |
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import java.net.URLEncoder; |
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import java.time.LocalDate; |
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import java.util.List; |
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@Slf4j |
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@Validated |
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@RequiredArgsConstructor |
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@RestController |
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@RequestMapping("/platform/excel") |
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public class ExcelController { |
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@Resource |
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private IPointInfoService pointInfoService ; |
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@PostMapping("/uploadPointInfo") |
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public void uploadPointInfo(MultipartFile file, HttpServletResponse response) throws IOException { |
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long t1 = System.currentTimeMillis(); |
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// 业务层
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EasyExcel.read(file.getInputStream(), PointInfoVo.class, new PointInfoListener(pointInfoService)).sheet().doRead(); |
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response.setContentType("text/html;charset=utf8"); |
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long t2 = System.currentTimeMillis(); |
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response.getWriter().println("导入数据成功!，共用时："+(t2-t1)+"ms"); |
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log.info("批量导入点位信息项目成功! 共用时:{}ms",(t2-t1)); |
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} |
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/** |
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* 导出点位信息 |
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*/ |
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@PostMapping("/ExportPointInfo") |
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public void ExportPointInfo(PointInfoBo bo, HttpServletResponse response) throws IOException { |
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List<PointInfoVo> list = pointInfoService.queryList(bo); |
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response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); |
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response.setCharacterEncoding("utf-8"); |
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String flag = "点位信息"; |
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// 这里URLEncoder.encode可以防止中文乱码 当然和easyexcel没有关系
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LocalDate currentDate = LocalDate.now(); |
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System.out.println("当前日期: " + currentDate); |
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String fileName = URLEncoder.encode( flag+currentDate, "UTF-8") |
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.replaceAll("\\+", "%20"); |
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response.setHeader("Content-disposition", "attachment;filename*=utf-8''" + fileName + ".xlsx"); |
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EasyExcel.write(response.getOutputStream(), PointInfoVo.class) |
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.sheet("点位信息"+currentDate) |
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.doWrite(list); |
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} |
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} |
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package org.dromara.platform.listener; |
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import com.alibaba.excel.context.AnalysisContext; |
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import com.alibaba.excel.read.listener.ReadListener; |
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import jakarta.annotation.Resource; |
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import lombok.extern.slf4j.Slf4j; |
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import org.dromara.platform.domain.AgreementInfo; |
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import org.dromara.platform.domain.PointInfo; |
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import org.dromara.platform.domain.vo.PointInfoVo; |
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import org.dromara.platform.service.IAgreementInfoService; |
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import org.dromara.platform.service.IPointInfoService; |
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import org.springframework.beans.BeanUtils; |
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import org.springframework.beans.factory.annotation.Autowired; |
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import java.util.ArrayList; |
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import java.util.List; |
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/** |
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* 自定义监听器读数据 |
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* @author gjh |
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*/ |
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@Slf4j |
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public class PointInfoListener implements ReadListener<PointInfoVo> { |
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@Resource |
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private IPointInfoService pointInfoService ; |
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private List<PointInfo> list = new ArrayList<>(); |
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/** |
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* 自己定义一个缓冲量 |
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*/ |
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private static final int BATCH_COUNT = 20; |
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public PointInfoListener( IPointInfoService pointInfoService) { |
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this.pointInfoService = pointInfoService; |
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} |
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/** |
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* 每读一行数据都会调用这个方法 |
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* |
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* @param pointInfoVo |
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* @param analysisContext |
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*/ |
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@Override |
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public void invoke(PointInfoVo pointInfoVo, AnalysisContext analysisContext) { |
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PointInfo pointInfo = new PointInfo(); |
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BeanUtils.copyProperties(pointInfoVo,pointInfo); |
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// 读取一行数据就添加到集合
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list.add(pointInfo); |
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// 判断是否到达缓存量了
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if (list.size() >= BATCH_COUNT){ |
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// 操作数据库
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pointInfoService.addData(list); |
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list = new ArrayList<>(BATCH_COUNT); |
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} |
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} |
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/** |
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* 读完整个excel之后再调用这个方法 |
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* |
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* @param analysisContext |
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*/ |
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@Override |
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public void doAfterAllAnalysed(AnalysisContext analysisContext) { |
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if (list.size()>0){ |
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pointInfoService.addData(list); |
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} |
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} |
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} |
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