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tapestry4.0应用,特别适用于初学者

<?xml version="1.0" encoding="GBK"?>
<!DOCTYPE page-specification PUBLIC
        "-//Apache Software Foundation//Tapestry Specification 4.0//EN"
        "http://jakarta.apache.org/tapestry/dtd/Tapestry_4_0.dtd">

<page-specification>

    <!--<property name="username"/>-->
    <!--<property name="password"/>-->

    <inject property="myVisit" type="state" object="visit"/>

    <component id="loginForm" type="Form">
        <binding name="listener" value="listener:submit"/>
        <binding name="delegate" value="beans.delegate"/>
        <binding name="clientValidationEnabled" value="false"/>
    </component>

    <bean name="delegate" class="com.cucu.tapestry.validation.MyValidationDelegate"/>

    <component id="usernameLabel" type="FieldLabel">
        <binding name="field" value="component:username"/>
    </component>
    <component id="username" type="TextField">
        <binding name="value" value="username"/>
        <binding name="validators"
                 value="validators:required[用户名不能为空],minLength=4[用户名在4位和10位之间],maxLength=10[用户名在4位和10位之间]"/>
        <binding name="displayName" value="literal:用户名"/>
    </component>

    <component id="passwordLabel" type="FieldLabel">
        <binding name="field" value="component:password"/>
    </component>
    <bean name="passwordValidator" class="com.tapestry4.engine.PasswordValidator"/>
    <component id="password" type="TextField">
        <binding name="value" value="password"/>
        <binding name="hidden" value="true"/>
        <binding name="validators" value="validators:required[密码不能为空],minLength=6[密码不能少于6位]"/>
        <binding name="displayName" value="literal:密码"/>
    </component>
</page-specification>