jsp第七周作业

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
  <head>
    <title>$Title$</title>
  </head>

  <script type="text/javascript">
    function changeActionToRegister(){
      var s = document.getElementById("idForm")
      s.setAttribute("action", "doRegister.jsp");
    }
    function changeActionToLogin(){
      var s = document.getElementById("idForm")
      s.setAttribute("action", "doLogin.jsp");
    }
  </script>

  <body>

  <form id="idForm" method="post">
    用户名:<input type="text" name="username"/>
    <br>
    密码:<input type="password"  name="password"/>
    <br>
  <input type="submit" onclick="changeActionToLogin()" value="登录">
  <input type="submit" onclick="changeActionToRegister()" value="注册">
  </form>

  </body>
</html>

<%@ page import="com.bean.lty.UserBean" %>
<%@ page import="com.dao.lty.Dao" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
    <%
        UserBean userBean = new UserBean();
        String username = request.getParameter("username");
        String password = request.getParameter("password");
        userBean.setUname(username);
        userBean.setUpassword(password);
        Dao dao = new Dao();
        int i = dao.UserLogin(userBean);
        if(i > 0){
            HttpSession session1 = request.getSession();
            session1.setAttribute("username",username);
            session1.setAttribute("password",password);
            request.getRequestDispatcher("success.jsp").forward(request,response);
        }else{
            response.sendRedirect("fail.jsp");
        }

    %>
</body>
</html>

<%@ page import="com.bean.lty.UserBean" %>
<%@ page import="com.dao.lty.Dao" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>

<%
    UserBean userBean = new UserBean();
    String username = request.getParameter("username");
    String password = request.getParameter("password");
    userBean.setUname(username);
    userBean.setUpassword(password);
    Dao dao = new Dao();
    int i = dao.UesrRegister(userBean);
    if(i > 0){
        HttpSession session1 = request.getSession();
        session1.setAttribute("username",username);
        session1.setAttribute("password",password);
        request.getRequestDispatcher("ok.jsp").forward(request,response);
    }else{
        response.sendRedirect("error.jsp");
    }

%>

</body>
</html>

package com.bean.lty;

public class UserBean {

    private String uname;
    private String upassword;

    public UserBean() {

    }

    public UserBean(String uname, String upassword) {
        this.uname = uname;
        this.upassword = upassword;
    }

    public String getUname() {
        return uname;
    }

    public void setUname(String uname) {
        this.uname = uname;
    }

    public String getUpassword() {
        return upassword;
    }

    public void setUpassword(String upassword) {
        this.upassword = upassword;
    }
}

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
您已成功注册！注册信息:用户名：<%=request.getSession().getAttribute("username")%>
密码：<%=request.getSession().getAttribute("password")%>
</body>
</html>

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
注册信息不正确，请重新进行注册！！！
</body>
</html>

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
登录成功！欢迎您,用户名：<%=request.getSession().getAttribute("username")%>
密码：<%=request.getSession().getAttribute("password")%>
</body>
</html>

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
登录失败,用户名不存在！
</body>
</html>

相关阅读:
Echarts 饼状图字体重叠问题
 li每三个换行
 计算相差时间、时分秒
 关于下拉框插件、或者框架的下拉框，初始化之后无法联动，或者再次绑定值问题
 使用幕布时，在Session过期后，弹出框加载出登陆的HTML的问题
 swiper 使用心得
 Js 实现多个tr 点击变色，再点击还原
 js 字符串格式化为时间格式
 Git 操作
 swoole 如何重新编译
原文地址：https://www.cnblogs.com/wxyailjy/p/14674590.html