在bean中对字段添加所需要的验规则
package com.imooc.pojo.bo.center;
import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
import org.hibernate.validator.constraints.Length;
import javax.validation.constraints.*;
import java.util.Date;
@Data
@ApiModel(value = "用户对象", description = "从客户端,由用户传入的数据封装在此entity中")
public class CenterUserBO {
/**
* Bean Validation 中内置的 constraint
*
* @Null 被注释的元素必须为 null
* @NotNull 被注释的元素必须不为 null
* @AssertTrue 被注释的元素必须为 true
* @AssertFalse 被注释的元素必须为 false
* @Min(value) 被注释的元素必须是一个数字,其值必须大于等于指定的最小值
* @Max(value) 被注释的元素必须是一个数字,其值必须小于等于指定的最大值
* @DecimalMin(value) 被注释的元素必须是一个数字,其值必须大于等于指定的最小值
* @DecimalMax(value) 被注释的元素必须是一个数字,其值必须小于等于指定的最大值
* @Size(max=, min=) 被注释的元素的大小必须在指定的范围内
* @Digits (integer, fraction) 被注释的元素必须是一个数字,其值必须在可接受的范围内
* @Past 被注释的元素必须是一个过去的日期
* @Future 被注释的元素必须是一个将来的日期
* @Pattern(regex=,flag=) 被注释的元素必须符合指定的正则表达式
* Hibernate Validator 附加的 constraint
* @NotBlank(message =) 验证字符串非null,且长度必须大于0
* @Email 被注释的元素必须是电子邮箱地址
* @Length(min=,max=) 被注释的字符串的大小必须在指定的范围内
* @NotEmpty 被注释的字符串的必须非空
* @Range(min=,max=,message=) 被注释的元素必须在合适的范围内
*/
@ApiModelProperty(value = "用户名", name = "username", example = "json", required = false)
private String username;
@ApiModelProperty(value = "密码", name = "password", example = "123456", required = false)
private String password;
@ApiModelProperty(value = "确认密码", name = "confirmPassword", example = "123456", required = false)
private String confirmPassword;
@NotBlank(message = "用户昵称不能为空")
@Length(max = 12, message = "用户昵称不能超过12位")
@ApiModelProperty(value = "用户昵称", name = "nickname", example = "杰森", required = false)
private String nickname;
@Length(max = 12, message = "用户真实姓名不能超过12位")
@ApiModelProperty(value = "真实姓名", name = "realname", example = "杰森", required = false)
private String realname;
@Pattern(regexp = "^(((13[0-9]{1})|(15[0-9]{1})|(18[0-9]{1}))+\\d{8})$", message = "手机号格式不正确")
@ApiModelProperty(value = "手机号", name = "mobile", example = "13999999999", required = false)
private String mobile;
@Email
@ApiModelProperty(value = "邮箱地址", name = "email", example = "imooc@imooc.com", required = false)
private String email;
@Min(value = 0, message = "性别选择不正确")
@Max(value = 2, message = "性别选择不正确")
@ApiModelProperty(value = "性别", name = "sex", example = "0:女 1:男 2:保密", required = false)
private Integer sex;
@ApiModelProperty(value = "生日", name = "birthday", example = "1900-01-01", required = false)
private Date birthday;
}
判断校验规则是否存在异常
@PostMapping("update")
public Result update(
@ApiParam(name = "userId", value = "用户id", required = true)
@RequestParam String userId,
@RequestBody @Valid CenterUserBO centerUserBO,
BindingResult result,
HttpServletRequest request, HttpServletResponse response) {
System.out.println(centerUserBO);
// 判断BindingResult是否保存错误的验证信息,如果有,则直接return
if (result.hasErrors()) {
Map<String, String> errorMap = getErrors(result);
return IMOOCJSONResult.errorMap(errorMap);
}
Users userResult = centerUserService.updateUserInfo(userId, centerUserBO);
userResult = setNullProperty(userResult);
CookieUtils.setCookie(request, response, "user",
JsonUtils.objectToJson(userResult), true);
return Result.ok();
}
private Map<String, String> getErrors(BindingResult result) {
Map<String, String> map = new HashMap<>();
List<FieldError> errorList = result.getFieldErrors();
for (FieldError error : errorList) {
// 发生验证错误所对应的某一个属性
String errorField = error.getField();
// 验证错误的信息
String errorMsg = error.getDefaultMessage();
map.put(errorField, errorMsg);
}
return map;
}