请求类：
@Data
public class ColumnUpdateDTO {
@NotNull(message = "字段id不能为空")
@ApiModelProperty(value = "字段id", required = true)
private Long id;
@ApiModelProperty(value = "字段中文名")
private String columnName;
@ApiModelProperty(value = "字段描述")
private String comment;
}Controller：
@PostMapping("/updateColumnInfos")
public ResponseEntity<ResultResponse> updateColumnInfos(
@RequestBody List<ColumnUpdateDTO> columnUpdateDTOList) {
ResultResponse resultResponse = BindingResultUtils.checkListError(columnUpdateDTOList);
if (resultResponse.getCode() == HttpCodeEnum.FAIL.getCode()) {
return ResponseEntity.ok(resultResponse);
}
// 业务代码
return ResponseEntity.ok(new ResultResponse().success());
}工具方法：
public static ResultResponse checkListError(List list) throws IllegalAccessException {
// 校验参数
if (CollectionUtils.isEmpty(list)) {
ResultResponse resultResponse = new ResultResponse().fail(HttpCodeEnum.FAIL.getCode(), "数组不能为空");
return resultResponse;
}
List<String> errorMessage = new ArrayList<>();
for (int i = 0; i < list.size(); i++) {
Object object = list.get(i);
Field[] fields = object.getClass().getDeclaredFields();
for (Field field : fields) {
field.setAccessible(true);
NotNull notNull = field.getAnnotation(NotNull.class);
if (Objects.nonNull(notNull) && Objects.isNull(field.get(object))) {
errorMessage.add("index[" + i + "]" + notNull.message());
}
NotBlank notBlank = field.getAnnotation(NotBlank.class);
if (Objects.nonNull(notBlank) && Objects.isNull(field.get(object))) {
errorMessage.add("index[" + i + "]" + notBlank.message());
}
NotEmpty notEmpty = field.getAnnotation(NotEmpty.class);
if (Objects.nonNull(notEmpty) && Objects.isNull(field.get(object))) {
errorMessage.add("index[" + i + "]" + notEmpty.message());
}
}
}
if (errorMessage.size() > 0) {
ResultResponse resultResponse = new ResultResponse().fail(HttpCodeEnum.FAIL.getCode(), errorMessage.stream().map(String::valueOf).collect(Collectors.joining(";")));
return resultResponse;
} else {
return new ResultResponse().success();
}
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