Struts1+Hibernate+Spring开发
一、配置及方法调用
1、搭建框架：dao、 entity 、service、web(action、form)。
2、添加支持jar包。
3、配置文件的修改：
（1）、在web.xml中添加如下代码：
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
（2）、view 设计Action，添加相应参数（注意：继承自DispatchAction）
（3）、在applicationContext.xml文件下编写如下代码：示例
<!-- service -->
<bean id="caclService" class="com.accp.service.CalcService"></bean>
<!-- action -->
<bean name="/calc" class="com.accp.web.action.CalcAction">
<property name="caclService" ref="caclService"></property>
</bean>
（4）、WEB-INF下struts-config.xml中代码如下所示：
<struts-config>
<data-sources />
<form-beans >
<form-bean name="calcForm" type="org.apache.struts.action.DynaActionForm">
<form-property name="name" type="java.lang.Double" />
<form-property name="password" type="java.lang.Double" />
</form-bean>
</form-beans>
<global-exceptions />
<global-forwards />
<action-mappings >
<action
attribute="calcForm"
input="/calc.jsp"
name="calcForm"
parameter="method"
path="/calc"
scope="request"
type="org.springframework.web.struts.DelegatingActionProxy">
<set-property property="cancellable" value="true" />
<forward
name="result"
path="/calc.jsp"
contextRelative="true" />
</action>
</action-mappings>
<message-resources parameter="ApplicationResources" />
</struts-config>
（5）jsp页面上：
<%@ page language="java" pageEncoding="UTF-8"%>
<%@ taglib uri="http://struts.apache.org/tags-bean" prefix="bean"%>
<%@ taglib uri="http://struts.apache.org/tags-html" prefix="html"%>
<html>
<head>
<title>JSP for DynaActionForm form</title>
</head>
<body bgcolor="#fffeee">
<form action="calc.do?method=login" method="post">
<table align="center" width="80%">
<tr>
<td colspan="2">
<jsp:include flush="true" page="top.jsp"></jsp:include>
</td>
</tr>
<tr>
<td align="right">
用户名 :
</td>
<td align="left">
<input type="text" name="name" value="${name}"/><font color="red"><html:errors property="name"/></font>
</td>
</tr>
<tr>
<td align="right">
密 码 :
</td>
<td align="left">
<input type="password" name="password" value="${password}"/><font color="red"><html:errors property="password"/></font>
</td>
</tr>
<tr>
<td colspan="2" align="center">
<input type="submit" value="登录"/> <input type="reset" value="取消"/>
</td>
<td> </td>
</tr>
<tr>
<td colspan="2">
<jsp:include flush="true" page="bottom.jsp"></jsp:include>
</td>
</tr>
</table>
</form>
</body>
</html>
（6）Action方法中示例代码：
public class UserAction extends DispatchAction {
private UserService userService=new UserService();
public void setUserService(UserService userService) {
this.userService = userService;
}
public ActionForward login(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
ActionMessages msg=new ActionMessages();
DynaActionForm userForm = (DynaActionForm) form;
System.out.println("---------user login--------");
String name=(String) userForm.get("name");
request.setAttribute("name", name);
if(null==name||name.trim().length()==0){
msg.add("name", new ActionMessage("用户名不能为空！", false));
super.saveErrors(request, msg);
return new ActionForward("/user.jsp");
}
String password=(String) userForm.get("password");
request.setAttribute("password", password);
if(null==password||password.trim().length()==0){
msg.add("password", new ActionMessage("密码不能为空！", false));
super.saveErrors(request, msg);
return new ActionForward("/user.jsp");
}
Userinfo user=this.userService.getUser(name,password);
if(null!=user){
return mapping.findForward("index");
}else{
}
return mapping.findForward("login");
}
}
（7）、方法调用如：calc.do?method=login
二、学习过程中遇到的错误
（1）错误：在某action里使用request.setAttribute()方法将一个List类型对象放在request中，然后forward到一个jsp文件，该文件的主要内容是使用<logic:iterate>标签将这个List对象中的条目列表显示。
与它同样逻辑但位于另一模块（teacher）中的代码执行正常。但这个模块（xxgl）中的代码，本来很简单的逻辑，却总是提示：
org.apache.jasper.JasperException: Cannot find bean t in any scope
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:254)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:432)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:356)
at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1069)
at org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:455)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:279)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2417)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:193)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:781)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:549)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:589)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:666)
at java.lang.Thread.run(Unknown Source)
（2）解决方案：
1、检查是否引入Struts1标签库
<%@ taglib uri="http://struts.apache.org/tags-logic" prefix="logic"%>
2、如代码：<div id="note_content">
<logic:iterate id="note" name="notes" scope="request">
${note.content}
</logic:iterate>
</div>
将具体访问的scope注明为scope=“request”;
