zepengdev
2025-06-26 97a55d2e9a7e6ee36d95e08731dd374f5fd93fa1
fix: 优化DuplicateKeyException异常消息展示
1 files added
1 files modified
67 ■■■■■ changed files
oying-common/src/main/java/com/oying/exception/handler/GlobalExceptionHandler.java 16 ●●●● patch | view | raw | blame | history
oying-common/src/main/java/com/oying/utils/DuplicateKeyExceptionUtil.java 51 ●●●●● patch | view | raw | blame | history
oying-common/src/main/java/com/oying/exception/handler/GlobalExceptionHandler.java
@@ -1,10 +1,12 @@
package com.oying.exception.handler;
import com.oying.exception.BadRequestException;
import com.oying.exception.EntityExistException;
import com.oying.exception.EntityNotFoundException;
import lombok.extern.slf4j.Slf4j;
import com.oying.exception.BadRequestException;
import com.oying.utils.DuplicateKeyExceptionUtil;
import com.oying.utils.ThrowableUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.dao.DuplicateKeyException;
import org.springframework.http.ResponseEntity;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.validation.FieldError;
@@ -89,6 +91,16 @@
    }
    /**
     * 处理 DuplicateKeyException
     */
    @ExceptionHandler(value = DuplicateKeyException.class)
    public ResponseEntity<ApiError> handleDuplicateKeyException(DuplicateKeyException e) {
        // 打印堆栈信息
        log.error(ThrowableUtil.getStackTrace(e));
        return buildResponseEntity(ApiError.error(BAD_REQUEST.value(), DuplicateKeyExceptionUtil.getDisplayMessage(e)));
    }
    /**
     * 统一返回
     */
    private ResponseEntity<ApiError> buildResponseEntity(ApiError apiError) {
oying-common/src/main/java/com/oying/utils/DuplicateKeyExceptionUtil.java
New file
@@ -0,0 +1,51 @@
package com.oying.utils;
import cn.hutool.core.map.MapUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.dao.DuplicateKeyException;
import java.sql.SQLException;
import java.util.Map;
import java.util.Optional;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@Slf4j
public class DuplicateKeyExceptionUtil {
    public static final Map<String, String> INDEX_MAPPING = MapUtil.ofEntries(
            MapUtil.entry("pc_store.uk_store_name", "店铺名称")
    );
    /**
     * 获取错误消息
     */
    public static String getDisplayMessage(DuplicateKeyException e) {
        try {
            String indexName = findMySQLDuplicateKey(e);
            String fieldDisplayName = INDEX_MAPPING.getOrDefault(indexName, indexName);
            return Optional.ofNullable(fieldDisplayName).map(o -> o + "已存在").orElse(e.getMessage());
        } catch (Exception ex) {
            log.error("解析'DuplicateKeyException'消息失败", ex);
            return e.getMessage();
        }
    }
    /**
     * 提取索引名称
     */
    public static String findMySQLDuplicateKey(DuplicateKeyException e) {
        if (e.getCause() instanceof SQLException) {
            SQLException sqlEx = (SQLException) e.getCause();
            if (sqlEx.getErrorCode() == 1062) { // MySQL duplicate key error code
                String errorMsg = sqlEx.getMessage();
                // 使用正则提取索引名
                Matcher matcher = Pattern.compile("for key '(.+?)'").matcher(errorMsg);
                if (matcher.find()) {
                    return matcher.group(1);
                }
            }
        }
        return null;
    }
}