使用这种方式也需要通过请求参来来指定要执行的动作。请求参数名的格式为
action!method.action
注：由于Struts2只需要参数名，因此，参数值是什么都可以。
下面我就给出一个实例程序来演示如何处理有多个submit的form：
主页面more_submit.jsp
复制代码 代码如下:
<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<html>
<head>
<title>My JSP 'hello.jsp' starting page</title>
</head>
<body>
<s:form action="submit.action">
<s:textfield name="msg" label="输入内容" />
<s:submit name="save" value="保存" align="left" method="save" />
<s:submit name="print" value="打印" align="left" method="print" />
</s:form>
</body>
</html>
MoreSubmitAction.java
复制代码 代码如下:
package action;
import javax.servlet.http.*;
import com.opensymphony.xwork2.ActionSupport;
import org.apache.struts2.interceptor.*;
public class MoreSubmitAction extends ActionSupport implements
ServletRequestAware {
private String msg;
private javax.servlet.http.HttpServletRequest request;
// 获得HttpServletRequest对象
public void setServletRequest(HttpServletRequest request) {
this.request = request;
}
// 处理save submit按钮的动作
public String save() throws Exception {
request.setAttribute("result", "成功保存[" + msg + "]");
return "save";
}
// 处理print submit按钮的动作
public String print() throws Exception {
request.setAttribute("result", "成功打印[" + msg + "]");
return "print";
}
public String getMsg() {
return msg;
}
public void setMsg(String msg) {
this.msg = msg;
}
}
structs.xml
复制代码 代码如下:
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
<package name="demo" extends="struts-default">
<action name="submit">
<result name="save">
/result.jsp
</result>
<result name="print">
/result.jsp
</result>
</action>
</package>
</struts>
result.jsp
复制代码 代码如下:
<%@ page language="java" contentType="text/html; charset=GBK"
pageEncoding="GBK"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>提交结果</title>
</head>
<body>
<h1>${result }</h1>
</body>
</html>
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