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  • struts2校验の实现

    1.JSP

    <%@ page contentType="text/html; charset=utf-8" language="java" errorPage="" pageEncoding="utf-8" %>
    <%@taglib prefix="s" uri="/struts-tags"%>
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head>
    <title>请输入您的注册信息</title>
    </head>
    <body>
    <h2>请输入您的注册信息</h2>
    <s:fielderror/>
    <s:form action="regist">
        <s:textfield name="name" label="用户名"/>
        <s:textfield name="pass" label="密码"/>
        <s:textfield name="age" label="年龄"/>
        <s:textfield name="birth" label="生日"/>
        <s:submit value="注册"/>
    </s:form>
    </body>
    
    </html>

    2.Action

    package com.mi.action;
    
    import com.opensymphony.xwork2.ActionSupport;
    
    import java.util.Date;
    
    public class RegistAction extends ActionSupport
    {
        /**
         * 
         */
        private static final long serialVersionUID = 1L;
        // カィメ�4ク�ノヤアア菽ソキ籏ーヌ�ヌ�ホハ�
        private String name;
        private String pass;
        private int age;
        private Date birth;
    
        // nameオトsetterコヘgetterキスキィ
        public void setName(String name)
        {
            this.name = name;
        }
        public String getName()
        {
            return this.name;
        }
    
        // passオトsetterコヘgetterキスキィ
        public void setPass(String pass)
        {
            this.pass = pass;
        }
        public String getPass()
        {
            return this.pass;
        }
    
        // ageオトsetterコヘgetterキスキィ
        public void setAge(int age)
        {
            this.age = age;
        }
        public int getAge()
        {
            return this.age;
        }
    
        // birthオトsetterコヘgetterキスキィ
        public void setBirth(Date birth)
        {
            this.birth = birth;
        }
        public Date getBirth()
        {
            return this.birth;
        }
    }

    3.struts.xml

    <?xml version="1.0" encoding="utf-8"?>
    <!DOCTYPE struts PUBLIC
        "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
        "http://struts.apache.org/dtds/struts-2.3.dtd">
    <struts>
        <constant name="struts.i18n.encoding" value="utf-8"/>
    
        <package name="lee" extends="struts-default">
        <!-- 用户注册的Action -->
        <action name="regist" class="com.mi.action.RegistAction">
            <!-- 类型转换失败、输入校验失败,转入input对应的视图 -->
            <result name="input">/content/registForm.jsp</result>
            <result>/content/show.jsp</result>
        </action>
            <action name="*">
                <result>/content/{1}.jsp</result>
            </action>
            
        </package>
    </struts>

    4.RegistAction-validation.xml

    <?xml version="1.0" encoding="utf-8"?>
    <!-- 指定校验配置文件的DTD信息 -->
    <!DOCTYPE validators PUBLIC 
        "-//Apache Struts//XWork Validator 1.0.3//EN"
        "http://struts.apache.org/dtds/xwork-validator-1.0.3.dtd">
    <!-- 校验文件的根元素 -->
    <validators>
        <!-- 校验Action的name属性 -->
        <field name="name">
            <!-- 指定name属性必须满足必填规则 -->
            <field-validator type="requiredstring">
                <param name="trim">true</param>
                <message key="name.requried"/>
            </field-validator>
            <!-- 指定name属性必须匹配正则表达式 -->
            <field-validator type="regex">
                <param name="regex"><![CDATA[(w{4,25})]]></param>
                <message key="name.regex">
                </message>
            </field-validator>
        </field>
        <!-- 校验Action的pass属性 -->
        <field name="pass">
            <!-- 指定pass属性必须满足必填规则 -->
            <field-validator type="requiredstring">
                <param name="trim">true</param>
                <message key="pass.requried"/>
            </field-validator>
            <!-- 指定pass属性必须满足匹配指定的正则表达式 -->
            <field-validator type="regex">
                <param name="regex"><![CDATA[(w{4,25})]]></param>
                <message key="pass.regex"/>
            </field-validator>
        </field>
        <!-- 指定age属性必须在指定范围内-->
        <field name="age">
            <field-validator type="int">
                <param name="min">1</param>
                <param name="max">150</param>
                <message key="age.range"/>
            </field-validator>
        </field>
        <!-- 指定birth属性必须在指定范围内-->
        <field name="birth">
            <field-validator type="date">
                <!-- 下面指定日期字符串时,必须使用本Locale的日期格式 -->
                <param name="min">1900-01-01</param>
                <param name="max">2050-02-21</param>
                <message key="birth.range"/>
            </field-validator>
        </field>
    </validators>
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  • 原文地址:https://www.cnblogs.com/tingbogiu/p/5798335.html
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