action无法获取<s:form>的输入
login.jsp
- HTML code
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><%@taglib prefix="s" uri="/struts-tags"%><!DOCTYPE html><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Login</title></head><body> <s:form action="authority"> <s:textfield name="username" key="user" /> <s:textfield name="password" key="pass" /> <s:submit key="login" /> </s:form></body></html>
AuthorityAction.java
- Java code
public class AuthorityAction extends ActionSupport { private static final long serialVersionUID = 6397739796446922974L; public static Logger logger = LoggerFactory .getLogger(AuthorityAction.class); String username = ""; String password = ""; String tip; public String getUsername() { logger.debug("getUsername"); return username; } public void setUsername(String username) { this.username = username; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } public String getTip() { return tip; } public void setTip(String tip) { this.tip = tip; } public String execute() throws Exception { logger.debug("开始执行"); logger.debug("username is " + username); //username得不到 return SUCCESS; }}页面提交后，后台得不到输入。
请问是怎么回事？
[解决办法]
不好意思呀 我没有过细看
你用的 是struts2 那就不用 写成 实体.属性 这种方式了 就直接写属性
是你的<s:form action="authority"> 提交方式有问题 这种方式是 get 提交方式
你应该用 <s:form action="authority" method="post"> 这种方式提交
[解决办法]
- Java code
public String execute() throws Exception { system.out.print(getUsername()); return SUCCESS; }