修改

huliguo

1 天以前 580d70b15ae47bc180a0b579af8c47c506eefac6

 src/main/java/com/linghu/controller/UserController.java

@@ -1,17 +1,32 @@
package com.linghu.controller;

import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.ExcelWriter;
import com.alibaba.excel.write.handler.SheetWriteHandler;
import com.alibaba.excel.write.metadata.WriteSheet;
import com.alibaba.excel.write.metadata.holder.WriteSheetHolder;
import com.alibaba.excel.write.metadata.holder.WriteWorkbookHolder;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.linghu.listener.PlatformExcelListener;
import com.linghu.listener.UserExcelListener;
import com.linghu.model.common.ResponseResult;
import com.linghu.model.entity.Platform;
import com.linghu.model.entity.Sectionalization;
import com.linghu.model.entity.User;
import com.linghu.model.excel.ExcelDataWithRow;
import com.linghu.model.excel.PlatformExcel;
import com.linghu.model.excel.UserExcel;
import com.linghu.model.vo.UserPageVO;
import com.linghu.service.SectionalizationService;
import com.linghu.service.UserService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.apache.poi.ss.usermodel.DataValidation;
import org.apache.poi.ss.usermodel.DataValidationConstraint;
import org.apache.poi.ss.usermodel.DataValidationHelper;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.util.CellRangeAddressList;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
@@ -22,9 +37,11 @@

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.stream.Collectors;

@RestController
@@ -104,15 +121,48 @@
    @GetMapping("/downloadTemplate")
    @ApiOperation("下载模板")
    public ResponseEntity<byte[]> downloadTemplate() throws IOException {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        EasyExcel.write(out, UserExcel.class).sheet("账号模板").doWrite(new ArrayList<>());
        // 1. 查询所有分组名称
        List<Sectionalization> sections = sectionalizationService.list(null);
        List<String> sectionNames = sections.stream()
                .map(Sectionalization::getSectionalization_name)
                .filter(Objects::nonNull)
                .collect(Collectors.toList());

        // 2. 创建Excel写出器
        ByteArrayOutputStream out = new ByteArrayOutputStream();

        // 3. 使用自定义的SheetWriteHandler来添加数据验证
        ExcelWriter excelWriter = EasyExcel.write(out, UserExcel.class)
                .registerWriteHandler(new SheetWriteHandler() {
                    @Override
                    public void afterSheetCreate(WriteWorkbookHolder writeWorkbookHolder,
                                                 WriteSheetHolder writeSheetHolder) {
                        Sheet sheet = writeSheetHolder.getSheet();

                        // 添加数据验证（下拉框）
                        DataValidationHelper helper = sheet.getDataValidationHelper();
                        CellRangeAddressList rangeList = new CellRangeAddressList(
                                1, 65535, 3, 3); // D列（第4列）

                        DataValidationConstraint constraint = helper.createExplicitListConstraint(
                                sectionNames.toArray(new String[0]));
                        DataValidation validation = helper.createValidation(constraint, rangeList);
                        sheet.addValidationData(validation);
                    }
                })
                .build();

        // 4. 写入空数据
        WriteSheet writeSheet = EasyExcel.writerSheet("账号模板").build();
        excelWriter.write(new ArrayList<>(), writeSheet);
        excelWriter.finish();

        // 5. 构建响应
        return ResponseEntity.ok()
                .header(HttpHeaders.CONTENT_DISPOSITION, "attachment;filename=keyword_template.xlsx")
                .header(HttpHeaders.CONTENT_DISPOSITION, "attachment;filename=user_template.xlsx")
                .contentType(MediaType.APPLICATION_OCTET_STREAM)
                .body(out.toByteArray());
    }


    /**
     * 导入文件
@@ -148,62 +198,73 @@
            if (file.isEmpty()) {
                return ResponseResult.error("上传文件不能为空");
            }
            // 使用自定义监听器读取数据（包含行号）
            UserExcelListener listener = new UserExcelListener();

            // 读取Excel数据
            List<UserExcel> excelList = EasyExcel.read(file.getInputStream())
             EasyExcel.read(file.getInputStream())
                    .head(UserExcel.class)
                    .sheet()
                    .doReadSync();

            // 数据转换与验证
            List<ExcelDataWithRow<UserExcel>> excelList = listener.getDataList();
            List<User> insertUserList = new ArrayList<>();
            List<String> errorMessages = new ArrayList<>();
            for (UserExcel excel : excelList) {
            List<String> emailList = new ArrayList<>();
            for (ExcelDataWithRow<UserExcel> excelData : excelList) {
                int rowNum = excelData.getRowNumber();
                UserExcel excel = excelData.getData();
                List<String> rowErrors = new ArrayList<>();
                // 检查必要字段
                if (!StringUtils.hasText(excel.getUser_name())) {
                    errorMessages.add("账户名不能为空");
                    continue;
                    rowErrors.add("用户名称不能为空");
                }
                if (!StringUtils.hasText(excel.getUser_email())) {
                    errorMessages.add("邮箱不能为空");
                    continue;
                    rowErrors.add("邮箱不能为空");
                }else{
                    if (emailList.contains(excel.getUser_email())) {
                        rowErrors.add("导入数据中邮箱重复");
                    }
                    if (nameMap.containsKey(excel.getUser_email())){
                        rowErrors.add("邮箱与数据库中重复");
                    }
                }
                if (!StringUtils.hasText(String.valueOf(excel.getPassword()))) {
                    errorMessages.add("密码不能为空");
                    continue;
                    rowErrors.add("密码不能为空");
                }

                if (!StringUtils.hasText(excel.getSectionalization_name())) {
                    errorMessages.add("分组不能为空");
                    continue;
                    rowErrors.add("分组不能为空");
                }else if (!sectionalizationMap.containsKey(excel.getSectionalization_name())){
                    rowErrors.add("分组不存在");
                }
                if (nameMap.containsKey(excel.getUser_name())){
                    errorMessages.add("用户名称重复");
                    continue;

                if (!rowErrors.isEmpty()) {
                    errorMessages.add(String.format("第%d行错误: %s", rowNum, String.join("；", rowErrors)));
                }else {
                    // 构建Platform对象...
                    User user = new User();
                    user.setUser_name(excel.getUser_name());
                    user.setUser_email(excel.getUser_email());
                    user.setPassword(excel.getPassword());
                    user.setSectionalization_id(sectionalizationMap.get(excel.getSectionalization_name()).getSectionalization_id());
                    user.setStatus("正常");
                    insertUserList.add(user);
                    emailList.add(excel.getUser_email());
                }
            }
            // 处理错误
            if (!errorMessages.isEmpty()) {
                return ResponseResult.error("数据验证失败: " + String.join("; ", errorMessages));
                // 构建清晰的错误信息
                StringBuilder errorMsg = new StringBuilder();
                errorMsg.append("导入失败，共").append(errorMessages.size()).append("条数据存在错误：\n");
                errorMessages.forEach(msg -> errorMsg.append(msg).append("\n"));

                return ResponseResult.error(400, errorMsg.toString());
            }
            // 开始添加
            for (UserExcel excel : excelList) {
                User user = new User();
                if (sectionalizationMap.containsKey(excel.getSectionalization_name())) {
                    user.setSectionalization_id(sectionalizationMap.get(excel.getSectionalization_name()).getSectionalization_id());
                }else {
                    //新增
                    Sectionalization sectionalization = new Sectionalization();
                    sectionalization.setSectionalization_name(excel.getSectionalization_name());
                    sectionalizationService.save(sectionalization);
                    user.setSectionalization_id(sectionalization.getSectionalization_id());
                }
                user.setUser_email(excel.getUser_email());
                user.setUser_name(excel.getUser_name());
                user.setPassword(excel.getPassword());
                user.setStatus("正常");
                userService.save(user);

            }
            userService.saveBatch(insertUserList);
            // 返回信息
            return ResponseResult.success();
        }