登录界面html源代码(html源码下载)
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jsp登陆界面源代码
1、login.jsp文件
<%@ page language="java" contentType="text/html; charset=GB18030"
pageEncoding="GB18030"%>
<%@ page import="java.util.*"%>
<!DOCTYPE HTML PUBLIC"-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>登录页面</title>
</head>
<body>
<form name="loginForm" method="post" action="judgeUser.jsp">
<table>
<tr>
<td>用户名:<input type="text" name="userName" id="userName"></td>
</tr>
<tr>
<td>密码:<input type="password" name="password" id="password"></td>
</tr>
<tr>
<td><input type="submit" value="登录" style="background-color:pink"><input
type="reset" value="重置" style="background-color:red"></td>
</tr>
</table>
</form>
</body>
</html>
2、judge.jsp文件
<%@ page language="java" contentType="text/html; charset=GB18030"
pageEncoding="GB18030"%>
<%@ page import="java.util.*"%>
<!DOCTYPE HTML PUBLIC"-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>身份验证</title>
</head>
<body>
<%
request.setCharacterEncoding("GB18030");
String name= request.getParameter("userName");
String password= request.getParameter("password");
if(name.equals("abc")&& password.equals("123")){
3、afterLogin.jsp文件
%>
<jsp:forward page="afterLogin.jsp">
<jsp:param name="userName" value="<%=name%>"/>
</jsp:forward>
<%
}
else{
%>
<jsp:forward page="login.jsp"/>
<%
}
%>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=GB18030"
pageEncoding="GB18030"%>
<!DOCTYPE HTML PUBLIC"-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>登录成功</title>
</head>
<body>
<%
request.setCharacterEncoding("GB18030");
String name= request.getParameter("userName");
out.println("欢迎你:"+ name);
%>
</body>
</html>
扩展资料：
java web登录界面源代码：
1、Data_uil.java文件
import java.sql.*;
public class Data_uil
{
public Connection getConnection()
{
try{
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
}catch(ClassNotFoundException e)
{
e.printStackTrace();
}
String user="***";
String password="***";
String url="jdbc:sqlserver://127.0.0.1:1433;DatabaseName=***";
Connection con=null;
try{
con=DriverManager.getConnection(url,user,password);
}catch(SQLException e)
{
e.printStackTrace();
}
return con;
}
public String selectPassword(String username)
{
Connection connection=getConnection();
String sql="select*from login where username=?";
PreparedStatement preparedStatement=null;
ResultSet result=null;
String password=null;
try{
preparedStatement=connection.prepareStatement(sql);
preparedStatement.setString(1,username);
result=preparedStatement.executeQuery();//可执行的查询
if(result.next())
password=result.getString("password");
}catch(SQLException e){
e.printStackTrace();
}finally
{
close(preparedStatement);
close(result);
close(connection);
}
System.out.println("找到的数据库密码为："+password);
return password;
}
public void close(Connection con)
{
try{
if(con!=null)
{
con.close();
}
}catch(SQLException e)
{
e.printStackTrace();
}
}
public void close(PreparedStatement preparedStatement)
{
try{
if(preparedStatement!=null)
{
preparedStatement.close();
}
}catch(SQLException e)
{
e.printStackTrace();
}
}
public void close(ResultSet resultSet)
{
try{
if(resultSet!=null)
{
resultSet.close();
}
}catch(SQLException e)
{
e.printStackTrace();
}
}
}
2、login_check.jsp:文件
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC"-//W3C//DTD HTML 4.01 Transitional//EN""">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>验证用户密码</title>
</head>
<body>
<jsp:useBean id="util" class="util.Data_uil" scope="page"/>
<%
String username=(String)request.getParameter("username");
String password=(String)request.getParameter("password");
if(username==null||"".equals(username))
{
out.print("<script language='javaScript'> alert('用户名不能为空');</script>");
response.setHeader("refresh","0;url=user_login.jsp");
}
else
{
System.out.println("输入的用户名:"+username);
String passwordInDataBase=util.selectPassword(username);
System.out.println("密码："+passwordInDataBase);
if(passwordInDataBase==null||"".equals(passwordInDataBase))
{
out.print("<script language='javaScript'> alert('用户名不存在');</script>");
response.setHeader("refresh","0;url=user_login.jsp");
}
else if(passwordInDataBase.equals(password))
{
out.print("<script language='javaScript'> alert('登录成功');</script>");
response.setHeader("refresh","0;url=loginSucces.jsp");
}
else
{
out.print("<script language='javaScript'> alert('密码错误');</script>");
response.setHeader("refresh","0;url=user_login.jsp");
}
}
%>
</body>
</html>
3、loginSucces.jsp文件
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC"-//W3C//DTD HTML 4.01 Transitional//EN""">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<hr size="10" width="26%" align="left" color="green">
<font size="6" color="red">登录成功</font>
<hr size="10" width="26%" align="left" color="green">
</body>
</html>
4、user_login.jsp文件
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC"-//W3C//DTD HTML 4.01 Transitional//EN""">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>登录界面</title>
</head>
<body background="C:\Users\win8\workspace\Login\image\9dcbdc339e72a5663b5c289fb5573c13_10.jpg">
<center>
<br><br><br><br><br><br>
<h1 style="color:yellow">Login</h1>
<br>
<form name="loginForm" action="login_check.jsp" method="post">
<table Border="0">
<tr>
<td>账号</td>
<td><input type="text" name="username"></td>
</tr>
<tr>
<td>密码</td>
<td><input type="password" name="password">
</td>
</tr>
</table>
<br>
<input type="submit" value="登录" style="color:#BC8F8F">
</form>
</center>
</body>
</html>
vb用户怎么登录界面用户登陆的代码是多少
vb登陆程序源代码\x0d\x0a\x0d\x0a你可以这样做建一个模块在里面输入下列\x0d\x0aPublic conn As ADODB.Connection\x0d\x0aSub main()\x0d\x0a Set conn= New ADODB.Connection\x0d\x0a conn.ConnectionString="Provider=SQLOLEDB.1;Persist Security Info=False;" _\x0d\x0a+"User ID=sa;password=sa;Initial Catalog=您的数据库名;Data Source=127.0.0.1"\x0d\x0a conn.Open\x0d\x0afrom1.Show’登录界面\x0d\x0aEnd Sub\x0d\x0a\x0d\x0a再在登录界面“确定”下写入如下代码：\x0d\x0aPrivate Sub Command1_Click()\x0d\x0a If id.Text="" Then\x0d\x0a MsgBox"用户名不能为空！", vbOKOnly+ vbInformation,"友情提示"\x0d\x0a id.SetFocus\x0d\x0a Exit Sub\x0d\x0a End If\x0d\x0a If password.Text="" Then\x0d\x0a MsgBox"密码不能为空！", vbOKOnly+ vbInformation,"友情提示"\x0d\x0a password.SetFocus\x0d\x0a Exit Sub\x0d\x0a End If\x0d\x0a\x0d\x0a Dim strSQl As String\x0d\x0a strSQl="select* from Users where users_name='"& Trim$(id.Text)&"' and password='"& Trim$(password.Text)&"'"\x0d\x0a \x0d\x0a Dim str As New ADODB.Recordset\x0d\x0a Set str= New ADODB.Recordset\x0d\x0a str.CursorLocation= adUseClient\x0d\x0a str.Open strSQl, conn, adOpenStatic, adLockReadOnly\x0d\x0a \x0d\x0a With str\x0d\x0a If.State= adStateOpen Then.Close\x0d\x0a.Open strSQl\x0d\x0a If.EOF Then\x0d\x0a Try_times= Try_times+ 1\x0d\x0a If Try_times>= 3 Then\x0d\x0a MsgBox"您已经三次尝试进入本系统，均不成功，系统将自动关闭", vbOKOnly+ vbCritical,"警告"\x0d\x0a Unload Me\x0d\x0a Else\x0d\x0a MsgBox"对不起，用户名不存在或密码错误！", vbOKOnly+ vbQuestion,"警告"\x0d\x0a id.SetFocus\x0d\x0a id.Text=""\x0d\x0a password.Text=""\x0d\x0a End If\x0d\x0a Else\x0d\x0a \x0d\x0a Unload Me\x0d\x0a \x0d\x0a Form2.Show’登录进入的另一个界面\x0d\x0a \x0d\x0a End If\x0d\x0a End With\x0d\x0a\x0d\x0aEnd Sub
求QQ网页自动登录代码
源代码如下：
Dim WshShell, QQPath, QQselect
QQPath="c:\Progra~1\Tencent\QQ\CoralQQ.exe"
Set
WshShell=WScript.CreateObject("WScript.Shell")
WshShell.Run
QQPath
WScript.Sleep 2000
WshShell.AppActivate"QQ登录"
WshShell.SendKeys
"+{TAB}"
WshShell.SendKeys"123456789"
WScript.Sleep 200
WshShell.SendKeys
"{TAB}"
WshShell.SendKeys"123456789"
WScript.Sleep 200
WshShell.SendKeys
"{ENTER}"
复制以上代码并保存为“*.VBS”，并运行便可以了。另外因为在命令行下，只支持8位字符长度的文件名，所以像“ProgramFiles”的这种文件名就要改写成“Progra~1”。如果想同时登陆多个QQ,只需再增加下面那样的代码就可以了.红色为QQ.exe所在硬盘的路径，蓝色改为QQ号码，绿色改为此QQ号码的密码。
WScript.Sleep 2000
QQPath="D:\Progra~1\Tencent\QQ\CoralQQ.exe"'QQ所在路径
Set
WshShell=WScript.CreateObject("WScript.Shell")
WshShell.Run
QQPath
WScript.Sleep 2000
WshShell.AppActivate
"QQ登录1"
WshShell.SendKeys"+{TAB}"
WshShell.SendKeys"123456789"
WScript.Sleep 200
WshShell.SendKeys
"{TAB}"
WshShell.SendKeys"123456789"
WScript.Sleep 200
WshShell.SendKeys
"{ENTER}"
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