<?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"> <!-- 定义Struts 2的核心Filter --> <filter> <filter-name>struts2</filter-name> <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class> </filter> <!-- 让Struts 2的核心Filter拦截所有请求 --> <filter-mapping> <filter-name>struts2</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> </web-app>
xwork.default.invalid.fieldvalue={0}字段类型转换失败!
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
<%-- 网站: <a href="http://www.crazyit.org">疯狂Java联盟</a> author yeeku.H.lee kongyeeku@163.com version 1.0 Copyright (C), 2001-2016, yeeku.H.Lee 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>类型转换的错误处理</title> <s:head/> </head> <body> <s:fielderror /> <h3>类型转换的错误处理</h3> <s:form action="login"> <s:iterator value="{0, 1, 2}" status="stat"> <!-- 只有一个请求参数 --> <s:textfield name="users" label="第%{#stat.index}个用户信息"/> </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>
<%-- 网站: <a href="http://www.crazyit.org">疯狂Java联盟</a> author yeeku.H.lee kongyeeku@163.com version 1.0 Copyright (C), 2001-2016, yeeku.H.Lee 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>类型转换的错误处理</title> <s:head/> </head> <body> <s:fielderror /> <h3>类型转换的错误处理</h3> <s:form action="login"> <s:iterator value="{0, 1, 2}" status="stat"> <!-- 将会依次生成多个请求参数 --> <s:textfield name="users[%{#stat.index}]" label="第%{#stat.index}个用户信息"/> </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>
<%-- 网站: <a href="http://www.crazyit.org">疯狂Java联盟</a> author yeeku.H.lee kongyeeku@163.com version 1.0 Copyright (C), 2001-2016, yeeku.H.Lee 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>转换结果</title> </head> <body> 转换结果!<br/> <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}字段类型转换失败!
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/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a> * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee * <br/>This program is protected by copyright laws. * <br/>Program Name: * <br/>Date: * @author Yeeku.H.Lee kongyeeku@163.com * @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/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a> * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee * <br/>This program is protected by copyright laws. * <br/>Program Name: * <br/>Date: * @author Yeeku.H.Lee kongyeeku@163.com * @version 1.0 */ public class UserConverter extends StrutsTypeConverter { // 实现将字符串类型转换成复合类型的方法 public Object convertFromString(Map context , String[] values , Class toClass) { // 创建一个User实例 User user = new User(); // 只处理请求参数数组第一个数组元素, // 并将该字符串以英文逗号分割成两个字符串 String[] userValues = values[0].split(","); // 为User实例赋值 user.setName(userValues[0]); user.setPass(userValues[1]); // 返回转换来的User实例 return user; } // 实现将复合类型转换成字符串类型的方法 public String convertToString(Map context, Object o) { // 将需要转换的值强制类型转换为User实例 User user = (User) o; return "<" + user.getName() + "," + user.getPass() + ">"; } }
package org.crazyit.app.domain; /** * Description: * <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a> * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee * <br/>This program is protected by copyright laws. * <br/>Program Name: * <br/>Date: * @author Yeeku.H.Lee kongyeeku@163.com * @version 1.0 */ public class User { private String name; private String pass; // name的setter和getter方法 public void setName(String name) { this.name = name; } public String getName() { return this.name; } // pass的setter和getter方法 public void setPass(String pass) { this.pass = pass; } public String getPass() { return this.pass; } }