struts2 多个提交按钮问题
我看来一个例子，是struts2（2.1.8）可以处理2个或多个提交按钮！但是我照着例子做，却不对！麻烦哪位大哥（大姐）指点一下！下边的是代码！submit.jsp<%@...
我看来一个例子，是struts2（2.1.8）可以处理2个或多个提交按钮！但是我照着例子做，却不对！麻烦哪位大哥（大姐）指点一下！下边的是代码！
submit.jsp
<%@ page language="java" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>多个submit</title>
</head>
<body>
<form name="form1" action="submit">
<input name="message" type="text" />
<input name="save" type="submit" value="保存" method="save"/>
<input name="print" type="submit" value="打印" method="print"/>
</form>
</body>
</html>
struts.xml
<?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="submit" extends="struts-default">
<action name="a" class="submit.Submit">
<result name="save">save.jsp</result>
<result name="print">print.jsp</result>
</action>
</package>
</struts>
Submit.java
package submit;
import javax.servlet.http.HttpServletRequest;
import org.apache.struts2.interceptor.ServletRequestAware;
import com.opensymphony.xwork2.ActionSupport;
public class Submit extends ActionSupport implements ServletRequestAware {
private static final long serialVersionUID = -2690112607332622329L;
private String message;
private HttpServletRequest request;
public void setServletRequest(HttpServletRequest request) {
this.request=request;
}
public String save(){
request.setAttribute("result", message);
return "save";
}
public String print(){
request.setAttribute("result", message);
return "print";
}
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
}
这个在submit包中！
单击打印或是保存按钮，会报找不到result，我试了试，返回的是success，而且不执行save和print这两个方法！希望告诉赐教！小弟谢谢了！
struts.xml文件中打错了，<action name="submit" class="submit.Submit">应该是这样！希望高手帮助！
1楼的大哥说的是对的！但是能说明一下为什么必须要用struts2的标签吗？小弟先谢了！呵呵！ 展开
submit.jsp
<%@ page language="java" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>多个submit</title>
</head>
<body>
<form name="form1" action="submit">
<input name="message" type="text" />
<input name="save" type="submit" value="保存" method="save"/>
<input name="print" type="submit" value="打印" method="print"/>
</form>
</body>
</html>
struts.xml
<?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="submit" extends="struts-default">
<action name="a" class="submit.Submit">
<result name="save">save.jsp</result>
<result name="print">print.jsp</result>
</action>
</package>
</struts>
Submit.java
package submit;
import javax.servlet.http.HttpServletRequest;
import org.apache.struts2.interceptor.ServletRequestAware;
import com.opensymphony.xwork2.ActionSupport;
public class Submit extends ActionSupport implements ServletRequestAware {
private static final long serialVersionUID = -2690112607332622329L;
private String message;
private HttpServletRequest request;
public void setServletRequest(HttpServletRequest request) {
this.request=request;
}
public String save(){
request.setAttribute("result", message);
return "save";
}
public String print(){
request.setAttribute("result", message);
return "print";
}
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
}
这个在submit包中！
单击打印或是保存按钮，会报找不到result，我试了试，返回的是success，而且不执行save和print这两个方法！希望告诉赐教！小弟谢谢了！
struts.xml文件中打错了，<action name="submit" class="submit.Submit">应该是这样！希望高手帮助！
1楼的大哥说的是对的！但是能说明一下为什么必须要用struts2的标签吗？小弟先谢了！呵呵！ 展开
3个回答
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你的思想和action方法都没有错，错误时因为你页面上没有使用struts2的标签。将你的submit.jsp改成下面就可以了。
<%@ page language="java" pageEncoding="utf-8"%>
<!-- 导入struts2的标签库 -->
<%@ taglib prefix="s" uri="/struts-tags" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>多个submit</title>
</head>
<body>
<s:form name="form1" action="submit" method="post">
<input name="message" type="text" /><br>
<s:submit name="save" method="save" value="保存"></s:submit>
<s:submit name="print" method="print" value="打印"></s:submit>
</s:form>
</body>
</html>
其实，主要是这2个按钮一定要用struts2的标签
<s:submit name="save" method="save" value="保存"></s:submit>
<s:submit name="print" method="print" value="打印"></s:submit>
<%@ page language="java" pageEncoding="utf-8"%>
<!-- 导入struts2的标签库 -->
<%@ taglib prefix="s" uri="/struts-tags" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>多个submit</title>
</head>
<body>
<s:form name="form1" action="submit" method="post">
<input name="message" type="text" /><br>
<s:submit name="save" method="save" value="保存"></s:submit>
<s:submit name="print" method="print" value="打印"></s:submit>
</s:form>
</body>
</html>
其实，主要是这2个按钮一定要用struts2的标签
<s:submit name="save" method="save" value="保存"></s:submit>
<s:submit name="print" method="print" value="打印"></s:submit>
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一楼的为什么不可以用
<input name="save" type="submit" value="保存" method="save"/>
<input name="print" type="submit" value="打印" method="print"/>
能给个理由吗
<input name="save" type="submit" value="保存" method="save"/>
<input name="print" type="submit" value="打印" method="print"/>
能给个理由吗
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为啥不用button？
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