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  • 制作登录界面,登录成功后把用户名放在session里,在第3个页面读取session显示用户名

    <%@ page language="java" contentType="text/html; charset=UTF-8"
        pageEncoding="UTF-8"%>
    <!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=UTF-8">
    <title>Insert title here</title>
    </head>
    <body>
    <form name="denglu" action="session.jsp" method="post">
    登录:<input type="text" name="name">
    <br>
    爱好:<textarea name="aihao" ></textarea>
    <br>
    <input type="submit" value="提交">
    </form>
    
    </body>
    
    </html>
    <%@ page language="java" contentType="text/html; charset=UTF-8"
        pageEncoding="UTF-8"%>
    
    <!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=UTF-8">
    <title>Insert title here</title>
    </head>
    <body>
    
    <%
    String name=request.getParameter("name");
    session.setAttribute("name", name);
    String aihao=request.getParameter("aihao");
    session.setAttribute("aihao", aihao);
    
    %>
    提交成功
    </body>
    </html>

    <%@ page language="java" contentType="text/html; charset=UTF-8"
        pageEncoding="UTF-8"%>
    
    <!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=UTF-8">
    <title>Insert title here</title>
    </head>
    <body>
    <%
    String name=new String(session.getAttribute("name").toString().getBytes("ISO-8859-1"),"UTF-8");
    String aihao=new String(session.getAttribute("aihao").toString().getBytes("ISO-8859-1"),"UTF-8");
    out.print("用户:"+name+"<br>");
    out.print("爱好:"+aihao+"<br>");
    
    %>
    </body>
    </html>

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  • 原文地址:https://www.cnblogs.com/wenwen123/p/5621739.html
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