struts1的DynaValidatorForm验证框架实例
2010-04-15 09:17
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1，reg.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib uri="/struts-bean" prefix="bean" %>
<%@ taglib uri="/struts-html" prefix="html" %>
<%@ taglib uri="/struts-logic" prefix="logic" %>
<html>
<head>
<title>验证实例</title>
</head>
<body>
信息验证测试<br/>
<font color="red"><html:errors property="regErrorMsg
"/></font>
<html:form action="/reg.do?method=reg">
<html:text property="username"></html:text><html:errors property="username"/><br/>
<html:password property="password"></html:password><html:errors property="password"/><br/>
<html:submit>注册</html:submit>
</html:form>
</body>
</html>
2，RegAction.java
package com.struts;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.actions.DispatchAction;
import org.apache.struts.validator.DynaValidatorForm;
public class RegAction extends DispatchAction {
public ActionForward reg(ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response){
ActionForward forward = null;
DynaValidatorForm dynaForm = (DynaValidatorForm)form;
String username = dynaForm.getString("username");
String password = dynaForm.getString("password");
ActionMessages msg = new ActionMessages();
if(username!=null && password!=null && username.equals("raining") && password.equals("123456")){
forward = mapping.findForward("suc");
}else{
msg.add("regErrorMsg
",new ActionMessage("reg.fail"));
saveErrors(request, msg);
forward = mapping.getInputForward();
}
return forward;
}
}
3，suc.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<html>
<head>
<title>验证实例</title>
</head>
<body>
<h3>注册成功!!</h3>
</body>
</html>
4，struts-config.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.2//EN" "http://struts.apache.org/dtds/struts-config_1_2.dtd
">
<struts-config>
<data-sources />
<form-beans>
<form-bean name="regForm" type="org.apache.struts.validator.DynaValidatorForm">
<form-property name="username" type="java.lang.String"/>
<form-property name="password" type="java.lang.String"/>
</form-bean>
</form-beans>
<global-exceptions />
<global-forwards />
<action-mappings>
<action path="/reg" type="com.struts.RegAction" name="regForm"
parameter="method" input="/reg.jsp" scope="request" validate="true">
<forward name="suc" path="/suc.jsp"></forward>
</action>
</action-mappings>
<message-resources parameter="com.struts.ApplicationResources" />
<plug-in className="org.apache.struts.validator.ValidatorPlugIn">
<set-property property="pathnames" value="/WEB-INF/validator-rules.xml,/WEB-INF/validation.xml"/>
<set-property property="stopOnFirstError" value="false"/>
</plug-in>
</struts-config>
5，validation.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE form-validation PUBLIC
"-//Apache Software Foundation//DTD Commons Validator Rules Configuration 1.1.3//EN"
"http://jakarta.apache.org/commons/dtds/validator_1_1_3.dtd
">
<form-validation>
<formset>
<form name="regForm">
<field property="username" depends="required,minlength,maxlength">
<arg0 key="reg.username"/>
<arg1 key="${var:maxlength}" name="maxlength" resource="false"
/> <!--
这里的arg1对应Resources资源文件中“errors.maxlength={0}长度不能小于{1}”里的{1} -->
<arg1 key="${var:minlength}" name="minlength" resource="false" />
<var>
<var-name>maxlength</var-name>
<var-value>20</var-value>
</var>
<var>
<var-name>minlength</var-name>
<var-value>6</var-value>
</var>
</field>
<field property="password" depends="required,minlength,maxlength">
<arg0 key="reg.password"/>
<arg1 key="${var:minlength}" name="minlength" resource="false"
/><!--
name属性可以不写，反之注意属性值不要写错,由于我粗心把name="minlength"写成name="maxlength"，导致提示“密码长
度不能小于null
” -->
<arg1 key="${var:maxlength}" name="maxlength" resource="false" />
<var>
<var-name>maxlength</var-name>
<var-value>20</var-value>
</var>
<var>
<var-name>minlength</var-name>
<var-value>6</var-value>
</var>
</field>
</form>
</formset>
</form-validation>
6,ApplicationResources.properties
# Project ztest
reg.username=用户名
reg.password=密码
errors.required={0}是必须的！
errors.maxlength={0}长度不能大于{1}
errors.minlength={0}长度不能小于{1}
#注册失败
reg.fail=注册失败
7，web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/j2ee
" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance
" version="2.4" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd
">
<servlet>
<servlet-name>action</servlet-name>
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
<init-param>
<param-name>config</param-name>
<param-value>/WEB-INF/struts-config.xml</param-value>
</init-param>
<init-param>
<param-name>debug</param-name>
<param-value>3</param-value>
</init-param>
<init-param>
<param-name>detail</param-name>
<param-value>3</param-value>
</init-param>
<load-on-startup>0</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>action</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<jsp-config>
<taglib>
<taglib-uri>/struts-bean</taglib-uri>
<taglib-location>/WEB-INF/struts-bean.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>/struts-html</taglib-uri>
<taglib-location>/WEB-INF/struts-html.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>/struts-logic</taglib-uri>
<taglib-location>/WEB-INF/struts-logic.tld</taglib-location>
</taglib>
</jsp-config>
</web-app>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib uri="/struts-bean" prefix="bean" %>
<%@ taglib uri="/struts-html" prefix="html" %>
<%@ taglib uri="/struts-logic" prefix="logic" %>
<html>
<head>
<title>验证实例</title>
</head>
<body>
信息验证测试<br/>
<font color="red"><html:errors property="regErrorMsg
"/></font>
<html:form action="/reg.do?method=reg">
<html:text property="username"></html:text><html:errors property="username"/><br/>
<html:password property="password"></html:password><html:errors property="password"/><br/>
<html:submit>注册</html:submit>
</html:form>
</body>
</html>
2，RegAction.java
package com.struts;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.actions.DispatchAction;
import org.apache.struts.validator.DynaValidatorForm;
public class RegAction extends DispatchAction {
public ActionForward reg(ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response){
ActionForward forward = null;
DynaValidatorForm dynaForm = (DynaValidatorForm)form;
String username = dynaForm.getString("username");
String password = dynaForm.getString("password");
ActionMessages msg = new ActionMessages();
if(username!=null && password!=null && username.equals("raining") && password.equals("123456")){
forward = mapping.findForward("suc");
}else{
msg.add("regErrorMsg
",new ActionMessage("reg.fail"));
saveErrors(request, msg);
forward = mapping.getInputForward();
}
return forward;
}
}
3，suc.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<html>
<head>
<title>验证实例</title>
</head>
<body>
<h3>注册成功!!</h3>
</body>
</html>
4，struts-config.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.2//EN" "http://struts.apache.org/dtds/struts-config_1_2.dtd
">
<struts-config>
<data-sources />
<form-beans>
<form-bean name="regForm" type="org.apache.struts.validator.DynaValidatorForm">
<form-property name="username" type="java.lang.String"/>
<form-property name="password" type="java.lang.String"/>
</form-bean>
</form-beans>
<global-exceptions />
<global-forwards />
<action-mappings>
<action path="/reg" type="com.struts.RegAction" name="regForm"
parameter="method" input="/reg.jsp" scope="request" validate="true">
<forward name="suc" path="/suc.jsp"></forward>
</action>
</action-mappings>
<message-resources parameter="com.struts.ApplicationResources" />
<plug-in className="org.apache.struts.validator.ValidatorPlugIn">
<set-property property="pathnames" value="/WEB-INF/validator-rules.xml,/WEB-INF/validation.xml"/>
<set-property property="stopOnFirstError" value="false"/>
</plug-in>
</struts-config>
5，validation.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE form-validation PUBLIC
"-//Apache Software Foundation//DTD Commons Validator Rules Configuration 1.1.3//EN"
"http://jakarta.apache.org/commons/dtds/validator_1_1_3.dtd
">
<form-validation>
<formset>
<form name="regForm">
<field property="username" depends="required,minlength,maxlength">
<arg0 key="reg.username"/>
<arg1 key="${var:maxlength}" name="maxlength" resource="false"
/> <!--
这里的arg1对应Resources资源文件中“errors.maxlength={0}长度不能小于{1}”里的{1} -->
<arg1 key="${var:minlength}" name="minlength" resource="false" />
<var>
<var-name>maxlength</var-name>
<var-value>20</var-value>
</var>
<var>
<var-name>minlength</var-name>
<var-value>6</var-value>
</var>
</field>
<field property="password" depends="required,minlength,maxlength">
<arg0 key="reg.password"/>
<arg1 key="${var:minlength}" name="minlength" resource="false"
/><!--
name属性可以不写，反之注意属性值不要写错,由于我粗心把name="minlength"写成name="maxlength"，导致提示“密码长
度不能小于null
” -->
<arg1 key="${var:maxlength}" name="maxlength" resource="false" />
<var>
<var-name>maxlength</var-name>
<var-value>20</var-value>
</var>
<var>
<var-name>minlength</var-name>
<var-value>6</var-value>
</var>
</field>
</form>
</formset>
</form-validation>
6,ApplicationResources.properties
# Project ztest
reg.username=用户名
reg.password=密码
errors.required={0}是必须的！
errors.maxlength={0}长度不能大于{1}
errors.minlength={0}长度不能小于{1}
#注册失败
reg.fail=注册失败
7，web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/j2ee
" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance
" version="2.4" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd
">
<servlet>
<servlet-name>action</servlet-name>
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
<init-param>
<param-name>config</param-name>
<param-value>/WEB-INF/struts-config.xml</param-value>
</init-param>
<init-param>
<param-name>debug</param-name>
<param-value>3</param-value>
</init-param>
<init-param>
<param-name>detail</param-name>
<param-value>3</param-value>
</init-param>
<load-on-startup>0</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>action</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<jsp-config>
<taglib>
<taglib-uri>/struts-bean</taglib-uri>
<taglib-location>/WEB-INF/struts-bean.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>/struts-html</taglib-uri>
<taglib-location>/WEB-INF/struts-html.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>/struts-logic</taglib-uri>
<taglib-location>/WEB-INF/struts-logic.tld</taglib-location>
</taglib>
</jsp-config>
</web-app>
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