提交頁面主要代碼：

<form method="post" action="messageAction">
? ?<input type="text" name="userName" value="userName Andy"/><br/>
? ?<input type="submit" value="提交"/>?
? </form>

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action類:

[java]?view plaincopy print?

package?action;??

import?org.apache.struts2.ServletActionContext;??

import?com.opensymphony.xwork2.ActionSupport;??

public?class?MessageAction?extends?ActionSupport{;??

????private?String?userName;?//變量名要和表單的名字一樣，這樣才能自動接收表單數據??

????private?static?final?long?serialVersionUID?=?1L;??

??????

????//方法get和set不能少,不然會取不到表單數據。??

????public?String?getUserName()?{??

????????return?userName;??

????}??

????public?void?setUserName(String?userName)?{??

????????this.userName?=?userName;??

????}??

??

????public?String?execute(){??

????????System.out.println("execute");??

????????System.out.println(userName);??

????????ServletActionContext.getRequest().setAttribute("info",userName);??

????????return?SUCCESS;??

????}??

} ?

總結

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