@Valid 对表单进行验证

今天药忘吃喽~ 2022-06-13 09:57 227阅读 0赞

在学到springBoot的课程中遇到了使用@Valid进行表单验证

controller

//@Valid Girl girl  ：需要进行验证的类
    //BindingResult  验证之后返回的对象
    @PostMapping(value = "/girls")
        public Object girlAdd(@Valid Girl girl, BindingResult bindingResult){
            if(bindingResult.hasErrors()){
                System.out.println(bindingResult.getFieldError().getDefaultMessage());
                return bindingResult.getFieldError().getDefaultMessage();
            }
            girl.setAge(girl.getAge());
            girl.setCupSize(girl.getCupSize());
            return girlRespository.save(girl);
    
        }

实体类：

package com.winter.entity;
    
    import javax.persistence.Entity;
    import javax.persistence.GeneratedValue;
    import javax.persistence.Id;
    import javax.validation.constraints.Min;
    
    /** * Created by Administrator on 2017/7/4. */
    @Entity()
    public class Girl { 
    
        @Id
        @GeneratedValue
        private Integer id;
        private String cupSize;
        //需要在这个类中使用验证的注解，除了这个还有@notNull....等等
        @Min(value=18, message = "未成年人请勿入内")
        private Integer age;
    
        public Girl() {
        }
    
        public Integer getId() {
            return id;
        }
    
        public void setId(Integer id) {
            this.id = id;
        }
    
        public String getCupSize() {
            return cupSize;
        }
    
        public void setCupSize(String cupSize) {
            this.cupSize = cupSize;
        }
    
        public Integer getAge() {
            return age;
        }
    
        public void setAge(Integer age) {
            this.age = age;
        }
    }