80 lines
4.0 KiB
Java
80 lines
4.0 KiB
Java
package com.yunhai.bschclassmanage.controller.Handler;
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import com.yunhai.platform.utils.exception.DException;
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import com.yunhai.platform.utils.exception.ErrorCode;
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import org.springframework.core.Ordered;
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import org.springframework.core.annotation.Order;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.ResponseEntity;
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import org.springframework.http.converter.HttpMessageNotReadableException;
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import org.springframework.web.HttpMediaTypeNotSupportedException;
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import org.springframework.web.bind.MethodArgumentNotValidException;
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import org.springframework.web.bind.annotation.ExceptionHandler;
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import org.springframework.web.bind.annotation.RestControllerAdvice;
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import java.time.LocalDateTime;
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import java.time.format.DateTimeFormatter;
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import java.util.*;
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@Order(Ordered.HIGHEST_PRECEDENCE)
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@RestControllerAdvice
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public class ValidationExceptionHandler {
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/**
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* 兜底 DException：平台 GlobalExceptionHandler 只返回 code/msg，会丢掉 data。
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* 本项目优先捕获，把业务异常里的 data（如导入错误列表）透传给前端。
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*/
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@ExceptionHandler(DException.class)
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public ResponseEntity<Map<String, Object>> handleDException(DException ex) {
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Map<String, Object> response = new LinkedHashMap<>();
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response.put("code", ex.getCode() != null ? ex.getCode().getCode() : ErrorCode.CUSTOM.getCode());
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response.put("msg", ex.getMessage());
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response.put("data", ex.getData());
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response.put("timeNow", LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));
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return new ResponseEntity<>(response, HttpStatus.OK);
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}
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@ExceptionHandler(MethodArgumentNotValidException.class)
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public ResponseEntity<Map<String, Object>> handleValidationExceptions(MethodArgumentNotValidException ex) {
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List<String> msgList = new ArrayList<>();
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ex.getBindingResult().getAllErrors().forEach(error -> {
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String errorMessage = error.getDefaultMessage();
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msgList.add(errorMessage);
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});
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Map<String, Object> response = new LinkedHashMap<>();
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response.put("code", ErrorCode.ERROR.getCode());
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response.put("msg", String.join(";", msgList));
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response.put("data", null);
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response.put("timeNow", LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));
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return new ResponseEntity(response, HttpStatus.BAD_REQUEST);
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}
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/**
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* @RequestBody 反序列化失败（JSON 格式错 / 字段类型不符 / 未知字段被拒）。
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* 不捕获会被平台兜底成 code:6 / 内部服务错误，这里把真实原因透出来。
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*/
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@ExceptionHandler(HttpMessageNotReadableException.class)
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public ResponseEntity<Map<String, Object>> handleNotReadable(HttpMessageNotReadableException ex) {
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Map<String, Object> response = new LinkedHashMap<>();
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response.put("code", ErrorCode.ERROR.getCode());
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response.put("msg", "请求体(JSON)解析失败: " + (ex.getRootCause() != null ? ex.getRootCause().getMessage() : ex.getMessage()));
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response.put("data", null);
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response.put("timeNow", LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));
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return new ResponseEntity(response, HttpStatus.BAD_REQUEST);
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}
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/**
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* Content-Type 不是 application/json（如 text/plain、form 表单、缺省），@RequestBody 无法选择转换器。
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*/
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@ExceptionHandler(HttpMediaTypeNotSupportedException.class)
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public ResponseEntity<Map<String, Object>> handleMediaType(HttpMediaTypeNotSupportedException ex) {
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Map<String, Object> response = new LinkedHashMap<>();
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response.put("code", ErrorCode.ERROR.getCode());
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response.put("msg", "请求 Content-Type 不被支持: " + ex.getMessage());
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response.put("data", null);
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response.put("timeNow", LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));
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return new ResponseEntity(response, HttpStatus.BAD_REQUEST);
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}
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} |