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如何在Web工程项目中使用Struts

王朝other·作者佚名 2006-11-24

起初的工程（未引入Struts）目录结构如下：

修改你的web.xml配置

如下：

修改之前是：

<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd"><web-app><servlet><servlet-name>estservlet</servlet-name><servlet-class>action.JDBCServlet</servlet-class></servlet><servlet-mapping><servlet-name>estservlet</servlet-name><url-pattern>/estservlet</url-pattern></servlet-mapping><servlet><servlet-name>delconad</servlet-name><servlet-class>action.delConadBean</servlet-class></servlet><servlet-mapping><servlet-name>delconad</servlet-name><url-pattern>/delconad</url-pattern></servlet-mapping></web-app>

加入：

<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>2</param-value>

</init-param>

<init-param>

<param-name>detail</param-name>

<param-value>2</param-value>

</init-param>

<init-param>

<param-name>validate</param-name>

<param-value>true</param-value>

</init-param>

<load-on-startup>2</load-on-startup></servlet><servlet-mapping><servlet-name>action</servlet-name><url-pattern>*.do</url-pattern></servlet-mapping><taglib>

<taglib-uri>/WEB-INF/struts-bean.tld</taglib-uri>

<taglib-location>/WEB-INF/struts-bean.tld</taglib-location>

</taglib>

<taglib-uri>/WEB-INF/struts-html.tld</taglib-uri>

<taglib-location>/WEB-INF/struts-html.tld</taglib-location>

</taglib>

<taglib-uri>/WEB-INF/struts-logic.tld</taglib-uri>

<taglib-location>/WEB-INF/struts-logic.tld</taglib-location>

</taglib>

<taglib-uri>/WEB-INF/struts-template.tld</taglib-uri>

<taglib-location>/WEB-INF/struts-template.tld</taglib-location>

</taglib>

<taglib-uri>/WEB-INF/struts-nested.tld</taglib-uri>

<taglib-location>/WEB-INF/struts-nested.tld</taglib-location>

</taglib>

<taglib-uri>/WEB-INF/struts-tiles.tld</taglib-uri>

<taglib-location>/WEB-INF/struts-tiles.tld</taglib-location>

</taglib>

引入Struts所需的标签库

引入目录结构如下：（配置文件描述）

在工程中引入Struts工程所需的.jar文件

目录结构如下：

引入资源文件：

ApplicationResources.properties

内容如下：

# -- buttons --button.submit=Submitbutton.cancel=Cancelbutton.confirm=Confirmbutton.reset=Resetbutton.save=Save

现在编写一个测试代码：

编写一个提交数据库的表单jsp文件useStruts.jsp：

如下：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"

"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><%@ page language="java" contentType="text/html; charset=utf-8" %><%@ taglib url="/WEB-INF/struts-html.tld" prefix="html" %><%@ taglib url="/WEB-INF/struts-bean.tld" prefix="bean" %><html:html xhtml="true" locale="true"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>使用 Struts DynaActionForm 插入Mysql数据库</title><html:base/><link rel="stylesheet" type="text/css" href="../css/example.css" /></head><body><html:errors/><html:form action="/insertmysql.do"><p>用户：<br/><html:text property="user" size="40" maxlength="20"/></p><p>密码：<br/><html:text property="password" size="40" maxlength="20"/></p><p>标题:<br/><html:text property="title" size="40" maxlength="50"/></p><p>内容:<br/><html:text property="content" size="40" maxlength="50"/></p><p>作者:<br/><html:text property="author" size="40" maxlength="50"/></p></html:form></body></html:html>修改Struts-config.xml文件：<form-beans>

<form-bean name="usestrutsForm" type="org.apache.struts.action.DynaActionForm">

<form-property name="user" type="java.lang.String" />

<form-property name="password" type="java.lang.String" />

<form-property name="title" type="java.lang.String" />

<form-property name="content" type=" java.lang.String " />

<form-property name="author" type="java.lang.String" />

</form-bean>

</form-beans>

<action-mappings>

<action path="/prepareUsestruts"

type="action.preUsestrutsAction">

</action>

<action path="/processUsestruts"

type="action.ProcessUseStrutsAction"

name="usestrutsForm"

scope="request"

input="/jsp/useStruts.jsp"

validate="true">

</action>

</action-mappings>

创建两个Action：

preUsestrutsAction.java 、ProcessUseStrutsAction.java

preUsestrutsAction.java:

代码如下：

/* * $Header: d:/cvs/repository/struts-examples/Web\040Content/WEB-INF/src/java/examples/SuccessAction.java,v 1.2 2003/06/13 06:23:13 sraeburn Exp $ * $Revision: 1.2 $ * $Date: 2005/11/25 06:23:13 $ * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation.For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. * by huhpreal */package action;import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;

import org.apache.struts.action.ActionForm;

import org.apache.struts.action.ActionForward;

import org.apache.struts.action.ActionMapping;

/** ** @author huhpreal * @version $Revision: 1.2 $ $Date: 2003/06/13 06:23:13 $ */public class preUsestrutsAction extends Action {

// ------------------------------------------------------------Constructors

/**

* Constructor for SuccessAction.

public preUsestrutsAction() {

super();

}