struts2内置验证器

深藏阁楼爱情的钟 2022-06-08 07:10 227阅读 0赞

<?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE validators PUBLIC "-//Apache Struts//XWork Validator Definition 1.0//EN" "http://struts.apache.org/dtds/xwork-validator-definition-1.0.dtd">
    
    
    <validators>
    //只验证是否为null,不去除空格
        <validator name="required" class="com.opensymphony.xwork2.validator.validators.RequiredFieldValidator"/>
        //验证是否为null,"",并且去除前后空格
        //若需要注入取消trim,<param name="trim">false</param>
        <validator name="requiredstring" class="com.opensymphony.xwork2.validator.validators.RequiredStringValidator"/>
        <validator name="int" class="com.opensymphony.xwork2.validator.validators.IntRangeFieldValidator"/>
        <validator name="long" class="com.opensymphony.xwork2.validator.validators.LongRangeFieldValidator"/>
        <validator name="short" class="com.opensymphony.xwork2.validator.validators.ShortRangeFieldValidator"/>
        <validator name="double" class="com.opensymphony.xwork2.validator.validators.DoubleRangeFieldValidator"/>
        <validator name="date" class="com.opensymphony.xwork2.validator.validators.DateRangeFieldValidator"/>
    
        //表达式形式:如判断两次密码是否一致
    <validator type="expression">
        <param name="expression">
            <![CDATE[[password==repassword]]>
        </param>
        <message>两次密码必须一致</message>
    </validator>
    
    
        <validator name="expression" class="com.opensymphony.xwork2.validator.validators.ExpressionValidator"/>
        <validator name="fieldexpression" class="com.opensymphony.xwork2.validator.validators.FieldExpressionValidator"/>
        <validator name="email" class="com.opensymphony.xwork2.validator.validators.EmailValidator"/>
        <validator name="url" class="com.opensymphony.xwork2.validator.validators.URLValidator"/>
        <validator name="visitor" class="com.opensymphony.xwork2.validator.validators.VisitorFieldValidator"/>
        <validator name="conversion" class="com.opensymphony.xwork2.validator.validators.ConversionErrorFieldValidator"/>
        //字符串长度
        <validator name="stringlength" class="com.opensymphony.xwork2.validator.validators.StringLengthFieldValidator"/>
      //正则表达式
        <validator name="regex" class="com.opensymphony.xwork2.validator.validators.RegexFieldValidator"/>
        <validator name="conditionalvisitor" class="com.opensymphony.xwork2.validator.validators.ConditionalVisitorFieldValidator"/>
    </validators>