对对象字段加校验Validation

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最新推荐文章于 2025-02-22 16:52:50 发布

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分类专栏： hibernate 文章标签：校验

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package com.newcore.pcms.util;

import java.util.List;
import java.util.Set;

import javax.validation.ConstraintViolation;
import javax.validation.Path;
import javax.validation.Validation;
import javax.validation.Validator;
import javax.validation.ValidatorFactory;

import org.apache.commons.lang3.StringUtils;




/**
 * <p>Title: ValidationTools</p>
 * <p>Description: 校验Bean对象的参数是否符合规范的工具类</p>
 * @author  MaRuifu
 * @date    2016年9月27日上午9:54:42
 */
public class ValidationTools {




    /**
     * @param StringBuilder 所要验证的Bean对象
     * @return StringBuilder 错误信息
     * @作者maruifu
     * @描述 —— 校验bean对象参数是否正确
     */
    public static StringBuilder validationdata(Object object) {
        // 验证信息
        StringBuilder req_ErrorMessage = new StringBuilder("");
        if(object==null){
            return req_ErrorMessage.append("校验对象不能为空");
        }
        ValidatorFactory factory = Validation.buildDefaultValidatorFactory();
        Validator validator = factory.getValidator();
        Set<ConstraintViolation<Object>> constraintViolations = validator.validate(object);


        for (ConstraintViolation<Object> constraintViolation : constraintViolations) {
            // 对象属性
            Path objproperties = constraintViolation.getPropertyPath();
            // 错误信息
            String errorMessage = constraintViolation.getMessage();
            if (!StringUtils.isBlank(errorMessage)) {
                req_ErrorMessage.append(objproperties + ":" + errorMessage);
            }
        }
        return req_ErrorMessage;

    }



    /**
     * @param List<Object> 接受一个List集合
     * @return StringBuilder 返回错误信息
     * @作者maruifu
     * @描述 —— 校验bean对象参数是否正确
     */
    @SuppressWarnings({ "hiding" })
    public static <Object> StringBuilder validationdata(List<Object> objlist) {

        // 验证信息
        StringBuilder reqErrorMessage = new StringBuilder("");
        if(objlist==null||objlist.isEmpty()){
            return reqErrorMessage.append("");
        }
        // 验证信息
        StringBuilder req_ErrorMessage = new StringBuilder();
        for (int i = 0; i < objlist.size(); i++) {
            req_ErrorMessage.append(validationdata(objlist.get(i)));
        }

        return req_ErrorMessage;
    }
}

注意一定加上这两个jar包


    <dependencies>
        <dependency>  
                <groupId>javax.el</groupId>  
                <artifactId>javax.el-api</artifactId>  
                <version>2.2.4</version>  
            </dependency>  

            <dependency>  
                <groupId>org.glassfish.web</groupId>  
                <artifactId>javax.el</artifactId>  
                <version>2.2.4</version>  
            </dependency>  
    </dependencies>