邮箱校验

guyue

2025-07-14 79ddca3c62f91baa7b6e9ac608a0606675a10fa5

邮箱校验

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

@@ -39,6 +39,7 @@
import java.io.IOException;
import java.time.LocalDateTime;
import java.util.*;
import java.util.regex.Pattern;
import java.util.stream.Collectors;

@RestController
@@ -55,6 +56,18 @@
    @PostMapping
    @ApiOperation(value = "添加")
    public ResponseResult add(@RequestBody User user) {
        // 1. 校验邮箱是否为空
        String email = user.getUser_email();
        if (!StringUtils.hasText(email)) {
            return ResponseResult.error("邮箱不能为空");
        }

        // 2. 邮箱格式正则校验（基础版：包含@且@前后有内容）
        String emailRegex =  "^[A-Za-z0-9+_.-]+@[A-Za-z0-9-]+(\\.[A-Za-z0-9-]+)*\\.[A-Za-z]{2,}$";
        boolean isEmailValid = Pattern.matches(emailRegex, email);
        if (!isEmailValid) {
            return ResponseResult.error("邮箱格式无效，请包含@符号且格式正确（例如：xxx@example.com）");
        }
        List<User> list = userService.list(new LambdaQueryWrapper<User>().eq(User::getUser_email, user.getUser_email()));
        if (list != null && list.size() > 0) {
            return ResponseResult.error("该邮箱已存在");
@@ -76,6 +89,17 @@
        User user1 = userService.getById(user.getUser_id());
        if (user1 == null) {
            return ResponseResult.error("该账户不存在");
        }
        // 1. 校验邮箱是否为空
        String email = user.getUser_email();
        if (!StringUtils.hasText(email)) {
            return ResponseResult.error("邮箱不能为空");
        }
        // 2. 邮箱格式正则校验（基础版：包含@且@前后有内容）
        String emailRegex =  "^[A-Za-z0-9+_.-]+@[A-Za-z0-9-]+(\\.[A-Za-z0-9-]+)*\\.[A-Za-z]{2,}$";
        boolean isEmailValid = Pattern.matches(emailRegex, email);
        if (!isEmailValid) {
            return ResponseResult.error("邮箱格式无效，请包含@符号且格式正确（例如：xxx@example.com）");
        }
        List<User> list = userService.list(new LambdaQueryWrapper<User>()
                        .ne(User::getUser_id, user.getUser_id())
@@ -220,6 +244,10 @@
            if (excelDataList.isEmpty()) {
                return ResponseResult.error("导入失败，数据不能为空");
            }
            // 邮箱格式正则表达式
            String emailRegex =  "^[A-Za-z0-9+_.-]+@[A-Za-z0-9-]+(\\.[A-Za-z0-9-]+)*\\.[A-Za-z]{2,}$";
            Pattern emailPattern = Pattern.compile(emailRegex);

            for (ExcelDataWithRow<UserExcel> excelData : excelDataList) {
                int rowNum = excelData.getRowNumber();
                UserExcel excelRowData = excelData.getData();
@@ -235,6 +263,10 @@
                if (!StringUtils.hasText(excelRowData.getUser_email())) {
                    rowErrors.add("邮箱不能为空");
                } else {
                    // 新增：邮箱格式校验
                    if (!emailPattern.matcher(excelRowData.getUser_email()).matches()) {
                        rowErrors.add("邮箱格式不正确（需符合 example@domain.com 格式）");
                    }
                    if (userEmailMap.containsKey(excelRowData.getUser_email())) {
                        rowErrors.add("邮箱已存在（数据库中重复）");
                    }

 src/main/resources/mapper/UserMapper.xml

@@ -39,7 +39,7 @@
                and u.status = #{status}
            </if>
        </where>
        order by u.create_time
        order by u.create_time DESC
    </select>

</mapper>