@Valid和@Validated注解校验List＜Object＞

@Valid和@Validated注解校验List< Object>

spring 4整合hibernate-validator6

1.导包

		<dependency>
            <groupId>org.hibernate.validator</groupId>
            <artifactId>hibernate-validator</artifactId>
            <version>6.0.7.Final</version>
        </dependency>
        <dependency>
            <groupId>javax.validation</groupId>
            <artifactId>validation-api</artifactId>
            <version>2.0.1.Final</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml</groupId>
            <artifactId>classmate</artifactId>
            <version>1.5.0</version>
        </dependency>

2.实现List< E >接口

/*
 * Copyright (c) 2005, 2020, EVECOM Technology Co.,Ltd. All rights reserved.
 * EVECOM PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

package net.evecom.styqwebsite.util;


import javax.validation.Valid;
import javax.validation.constraints.NotEmpty;
import java.util.*;

/**
 * 描述
 *
 * @author Jerome
 * @created 2021/1/19 14:43
 */
public class ValidableList<E> implements List<E> {

    @Valid
    @NotEmpty(message = "参数不能为空")
    private List<E> list = new ArrayList<>();

    public List<E> getList() {
        return list;
    }

    public void setList(List<E> list) {
        this.list = list;
    }

    @Override
    public int size() {
        return list.size();
    }

    @Override
    public boolean isEmpty() {
        return list.isEmpty();
    }

    @Override
    public boolean contains(Object o) {
        return list.contains(o);
    }

    @Override
    public Iterator<E> iterator() {
        return list.iterator();
    }


    @Override
    public Object[] toArray() {
        return list.toArray();
    }

    @Override
    public <T> T[] toArray(T[] a) {
        return list.toArray(a);
    }

    @Override
    public boolean add(E e) {
        return list.add(e);
    }

    @Override
    public boolean remove(Object o) {
        return list.remove(o);
    }

    @Override
    public boolean containsAll(Collection<?> c) {
        return list.containsAll(c);
    }

    @Override
    public boolean addAll(Collection<? extends E> c) {
        return list.addAll(c);
    }

    @Override
    public boolean addAll(int index, Collection<? extends E> c) {
        return list.addAll(index, c);
    }

    @Override
    public boolean removeAll(Collection<?> c) {
        return list.removeAll(c);
    }

    @Override
    public boolean retainAll(Collection<?> c) {
        return list.retainAll(c);
    }

    @Override
    public void clear() {
        list.clear();
    }

    @Override
    public E get(int index) {
        return list.get(index);
    }

    @Override
    public E set(int index, E element) {
        return list.set(index, element);
    }

    @Override
    public void add(int index, E element) {
        list.add(index, element);
    }

    @Override
    public E remove(int index) {
        return list.remove(index);
    }

    @Override
    public int indexOf(Object o) {
        return list.indexOf(o);
    }

    @Override
    public int lastIndexOf(Object o) {
        return list.lastIndexOf(o);
    }

    @Override
    public ListIterator<E> listIterator() {
        return null;
    }

    @Override
    public ListIterator<E> listIterator(int index) {
        return null;
    }


    @Override
    public List<E> subList(int fromIndex, int toIndex) {
        return list.subList(fromIndex, toIndex);
    }
}

3.实体类

package com.atguigu.spring.autowire;

import javax.validation.constraints.NotEmpty;

public class Dept {
    
    @NotEmpty(message = "名称不能为空")
    private String dname;

    public void setDname(String dname) {
        this.dname = dname;
    }

    public String getDname() {
        return dname;
    }

    @Override
    public String toString() {
        return "Dept{" +
                "dname='" + dname + '\'' +
                '}';
    }
}

4.控制层

/*
 * Copyright (c) 2005, 2020, EVECOM Technology Co.,Ltd. All rights reserved.
 * EVECOM PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

package net.evecom.styqwebsite.action;

import net.evecom.common.action.BaseController;
import net.evecom.common.util.ValidateList;
import net.evecom.common.vmodel.VReturnMessage;
import net.evecom.styqwebsite.model.EarthquakeAreaDesc;
import net.evecom.styqwebsite.service.EarthquakeAreaDescService;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.validation.Valid;
 
@RestController
@RequestMapping("/dept")
public class DeptController extends BaseController {
    
    @Autowired
    private DeptService deptService;
    
    /*
    @Valid和@Validated注解都可以用
    */
    @PostMapping("/save")
    public VReturnMessage save(@RequestBody @Valid ValidateList<Dept> deptList, BindingResult bindingResult) {
        if (bindingResult.hasErrors()){
            StringBuffer errors = new StringBuffer();
            bindingResult.getAllErrors().forEach(error ->{
                errors.append(error.getDefaultMessage() + ";");
            });
            return VReturnMessage.fail(errors.toString());
        }
        try {
            deptService.save(deptList);
        } catch (Exception exception) {
            LOGGER.error("错误",exception);
            return VReturnMessage.fail("保存出错");
        }
        return VReturnMessage.success();
    }
}

本文地址：https://blog.csdn.net/qq_43701330/article/details/112861538