Wu Yuxiong - natural born flyweight JAVA EE enterprise application development Struts2Sping4Hibernate integrated development study notes: Struts2 type conversion: Conversion Error handling collection of attributes

<?xml version="1.0" encoding="GBK"?>
<project name="struts" basedir="." default="">
    <property name="dist" value="classes"/>
    <property name="src" value="src"/>
    
    <path id="classpath">
        <fileset dir="lib">
            <include name="*.jar"/>
        </fileset>
        <pathelement path="${dist}"/>
    </path>

    <target name="compile" description="Compile all source code">
        <delete dir="${dist}"/>
        <mkdir dir="${dist}"/>
        <copy todir="${dist}">
            <fileset dir="${src}">
                <exclude name="**/*.java"/>
            </fileset>        
        </copy>
        <javac destdir="classes" debug="true" includeantruntime="yes"
            deprecation="false" optimize="false" failonerror="true">
            <src path="${src}"/>
            <classpath refid="classpath"/>
        </javac>
    </target>

</project>

<?xml version="1.0" encoding="GBK"?>

<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
    http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" version="3.1">
    <! - define the core of Filter Struts 2 ->
    <filter>
        <filter-name>struts2</filter-name>
        <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
    </filter>
    <! - let Struts core Filter 2 intercept all requests ->
    <filter-mapping>
        <filter-name>struts2</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
</web-app>

XWork. default .invalid.fieldvalue = {0} field type conversion failures!

xwork.default.invalid.fieldvalue={0}\u5b57\u6bb5\u7c7b\u578b\u8f6c\u6362\u5931\u8d25\uff01

<?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.custom.i18n.resources" value="mess"/>
    <constant name="struts.i18n.encoding" value="GBK"/>

    <package name="conversion" extends="struts-default">

        <action name="login" class="org.crazyit.app.action.LoginAction">
            <result>/WEB-INF/content/welcome.jsp</result>
            <result name="error">/WEB-INF/content/welcome.jsp</result>
            <result name="input">/WEB-INF/content/ognlInput.jsp</result>
        </action>
        <action name="*">
            <result>/WEB-INF/content/{1}.jsp</result>    
        </action>        
    </package>
</struts>

org.crazyit.app.domain.User = org.crazyit.app.converter.UserConverter

<% - 
Web site: <A href = "http://www.crazyit.org"> crazy league Java </a> 
author yeeku.H.lee kongyeeku @ 163 .com
which version of the   1.0 for 
Amsterdam Copyright (the C), 20012016 , yeekuHLee
This program is protected by copyright laws.
Program Name:
Date: 
--%>

<%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %>
<%@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> type conversion error handling </ title>
    <s:head/>
</head>
<body>
<s:fielderror />
<H3> type conversion error handling </ h3>
<s:form action="login">
    <s:iterator value="{0, 1, 2}" status="stat">
        <! - only one request parameter ->
        <S: TextField name = "Users"  
            label = "% {# stat.index} The first user information" />
    </s:iterator>
    <tr>
        <td colspan="2"><s:submit value="转换" theme="simple"/>
        <s:reset value="重填" theme="simple"/></td>
    </tr>
</s:form>
</body>
</html>

<% - 
Web site: <A href = "http://www.crazyit.org"> crazy league Java </a> 
author yeeku.H.lee kongyeeku @ 163 .com
which version of the   1.0 for 
Amsterdam Copyright (the C), 20012016 , yeekuHLee
This program is protected by copyright laws.
Program Name:
Date: 
--%>

<%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %>
<%@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> type conversion error handling </ title>
    <s:head/>
</head>
<body>
<s:fielderror />
<H3> type conversion error handling </ h3>
<s:form action="login">
    <s:iterator value="{0, 1, 2}" status="stat">
        <! - this will in turn generate a plurality of request parameters ->
        <S: TextField name = "Users [% {# stat.index}]"  
            label = "% {# stat.index} The first user information" />
    </s:iterator>
    <tr>
        <td colspan="2"><s:submit value="转换" theme="simple"/>
        <s:reset value="重填" theme="simple"/></td>
    </tr>
</s:form>
</body>
</html>

<% - 
Web site: <A href = "http://www.crazyit.org"> crazy league Java </a> 
author yeeku.H.lee kongyeeku @ 163 .com
which version of the   1.0 for 
Amsterdam Copyright (the C), 20012016 , yeekuHLee
This program is protected by copyright laws.
Program Name:
Date: 
--%>

<%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %>
<%@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> conversions </ title>
</head>
<body> 
    conversion result ! a
    <s:iterator value="users" status="status">
        用户<s:property value="%{#status.index}"/>的用户名：<s:property value="name"/><br/>
        用户<s:property value="%{#status.index}"/>的密码：<s:property value="pass"/><br/>
    </s:iterator>
</body>
</html>

XWork. default .invalid.fieldvalue = {0} field type conversion failures!

xwork.default.invalid.fieldvalue={0}\u5b57\u6bb5\u7c7b\u578b\u8f6c\u6362\u5931\u8d25\uff01

<?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.custom.i18n.resources" value="mess"/>
    <constant name="struts.i18n.encoding" value="GBK"/>

    <package name="conversion" extends="struts-default">

        <action name="login" class="org.crazyit.app.action.LoginAction">
            <result>/WEB-INF/content/welcome.jsp</result>
            <result name="error">/WEB-INF/content/welcome.jsp</result>
            <result name="input">/WEB-INF/content/ognlInput.jsp</result>
        </action>
        <action name="*">
            <result>/WEB-INF/content/{1}.jsp</result>    
        </action>        
    </package>
</struts>

org.crazyit.app.domain.User = org.crazyit.app.converter.UserConverter

package org.crazyit.app.action;

import com.opensymphony.xwork2.Action;
import java.util.Date;
import java.util.List;

import com.opensymphony.xwork2.ActionSupport;

import org.crazyit.app.domain. * ;
/ **
 * Description:
 * <br/> website: <a href=" http://www.crazyit.org "> crazy Java league </a>
 * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * Author   YeekuHLee kongyeeku163com
 * @version  1.0
 */
public class LoginAction extends ActionSupport
{
    private List<User> users;
    // users的setter和getter方法
    public void setUsers(List<User> users)
    {
        this.users = users;
    }
    public List<User> getUsers()
    {
        return users;
    }
}

package org.crazyit.app.converter;

import java.util.Map;
import org.apache.struts2.util.*;

import org.crazyit.app.domain. * ;
/ **
 * Description:
 * <br/> website: <a href=" http://www.crazyit.org "> crazy Java league </a>
 * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * Author   YeekuHLee kongyeeku163com
 * @version  1.0
 */
public class UserConverter extends StrutsTypeConverter
{
    // achieve a string type to convert into a composite method of the type 
    public Object ConvertFromString (context the Map
        , String[] values , Class toClass)
    {
        // Create a User instance 
        User User = new new User ();
         // only the first array element processing request parameter array,
         // and the comma character string into two strings 
        String [] userValues = values [ 0] .split ( "," );
         // for the User assignment example 
        user.setName (userValues [0 ]);
        user.setPass (userValues [ . 1 ]);
         // Returns converted instance of User 
        return User;
    }
    // implementation will convert to a composite type of method of type string 
    public String convertToString (the Map context, Object O)
    {
        // The value to be converted to a User instance cast 
        User = User (User) O;
         return "<" + user.getName () + ","
            + user.getPass() + ">";
    }
}

package org.crazyit.app.domain;

/**
 * Description:
 * <br/> website: <a href=" http://www.crazyit.org "> crazy Java league </a>
 * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * Author   YeekuHLee kongyeeku163com
 * @version  1.0
 */
public class User
{
    private String name;
    private String pass;

    // setter and getter method name of 
    public  void setName (String name)
    {
        this.name = name;
    }
    public String getName()
    {
        return this.name;
    }

    // setter and getter methods pass a 
    public  void SETPASS (String pass)
    {
        this.pass = pass;
    }
    public String getPass()
    {
        return this.pass;
    }
}

Wu Yuxiong - natural born flyweight JAVA EE enterprise application development Struts2Sping4Hibernate integrated development study notes: Struts2 type conversion: Conversion Error handling collection of attributes

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