struts2中一个表单中提交多个请求的例子(多个提交按钮)
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2022-06-29 13:22:59
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...
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" class="action.moresubmitaction">
<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>