为什么输入信息提交后总是找不到路径?提示“HTTP Status 404 - There is no Action mapped for namespace / and action name login.”该错误。到底那错了啊?添加的jar包如下:freeer-2.3.15.jar
ognl-2.7.3.jar
struts2-core-2.1.8.1.jar
xwork-core-2.1.6.jar
commons-logging-api-1.1.jarAction如下:package entity;import com.opensymphony.xwork2.ActionSupport;public class LoginAction extends ActionSupport{ /**
*
*/
private static final long serialVersionUID = 1L;
private String loginname;
private String loginpwd;
public String getLoginname() {
return loginname;
}
public void setLoginname(String loginname) {
this.loginname = loginname;
}
public String getLoginpwd() {
return loginpwd;
}
public void setLoginpwd(String loginpwd) {
this.loginpwd = loginpwd;
}
public String execute(){
if(getLoginname().equals("admin")&&getLoginpwd().equals("pwd")){
return "success";
}else{
return "pwd";
}
}
}
web.xml 如下:<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<filter>
<filter-name>Struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>Struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>struts.xml如下:<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd"><struts>
<constant name="struts.devMode" value="true"></constant>
<package name="default" namespace="/" extends="struts-default">
<action name="login" class="entity.LoginAction">
<result name="error">/error.jsp</result>
<result name="success">/success.jsp</result>
</action>
</package>
</struts>访问页面如下(nidex.jsp): <body>
<form action="login.action" method="post">
登录名:<input name="loginname" type="text"><br>
密 码:<input type="password" name="loginpwd"><br>
<input type="submit" value="submit">
</form>
</body>
ognl-2.7.3.jar
struts2-core-2.1.8.1.jar
xwork-core-2.1.6.jar
commons-logging-api-1.1.jarAction如下:package entity;import com.opensymphony.xwork2.ActionSupport;public class LoginAction extends ActionSupport{ /**
*
*/
private static final long serialVersionUID = 1L;
private String loginname;
private String loginpwd;
public String getLoginname() {
return loginname;
}
public void setLoginname(String loginname) {
this.loginname = loginname;
}
public String getLoginpwd() {
return loginpwd;
}
public void setLoginpwd(String loginpwd) {
this.loginpwd = loginpwd;
}
public String execute(){
if(getLoginname().equals("admin")&&getLoginpwd().equals("pwd")){
return "success";
}else{
return "pwd";
}
}
}
web.xml 如下:<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<filter>
<filter-name>Struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>Struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>struts.xml如下:<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd"><struts>
<constant name="struts.devMode" value="true"></constant>
<package name="default" namespace="/" extends="struts-default">
<action name="login" class="entity.LoginAction">
<result name="error">/error.jsp</result>
<result name="success">/success.jsp</result>
</action>
</package>
</struts>访问页面如下(nidex.jsp): <body>
<form action="login.action" method="post">
登录名:<input name="loginname" type="text"><br>
密 码:<input type="password" name="loginpwd"><br>
<input type="submit" value="submit">
</form>
</body>
并且
你可以在result中加入type关键字
然后就不怎么需要"/"这个东西了
<form action="/login.action" method="post">
肯定不对的
org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter改成org.apache.struts2.dispatcher.FilterDispatcher试试?
把error改成psw就行了
这句话的问题,name,namespace都指定给试试
这句话中的namespace 不要用的
这个包名是对的么?