<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>登錄界面</title>
</head>

<body>
<form method="post" action="login.php">
賬號(hào)：
<input type="text" name="usernamel"><br/><br/>
密碼：
<input type="password" name="passwordl">
<input type="submit" value="登錄" name="subl">
<a >沒(méi)有賬號(hào)，注冊(cè)</a>
</form>
</body>
</html>

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>會(huì)員注冊(cè)</title>
</head>

<body>
<form method="post" action="register.php">
賬&nbsp;&nbsp;戶(hù)：
<input type="text" name="username"><br/><br/>
密&nbsp;&nbsp;碼：
<input type="password" name="password"><br/><br/>
密碼確認(rèn)：
<input type="password" name="password2">
<input type="submit" value="注冊(cè)" name="sub">
</form>
</body>
</html>

return.html是注冊(cè)成功之后呈現(xiàn)的頁(yè)面，里面有一段js代碼是用來(lái)定時(shí)返回登錄界面的

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>無(wú)標(biāo)題文檔</title>
</head>

<body>
注冊(cè)成功！<br/>
5秒后返回登錄界面<br/>
你也可以直接點(diǎn)擊回到<a >登錄頁(yè)面</a>
<script type="text/javascript">
setTimeout("ren()",5000);
function ren()
{
  window.location="http://127.0.0.1:8080/login.html";
}

</script>

</body>
</html>

register.php這是與注冊(cè)頁(yè)面相對(duì)應(yīng)后臺(tái)頁(yè)面

<?php
$link=mysql_connect("localhost","root","207207");//鏈接數(shù)據(jù)庫(kù)
header("Content-type:text/html;charset=utf-8");
if($link)
  {  
    //echo"鏈接數(shù)據(jù)庫(kù)成功";
    $select=mysql_select_db("login",$link);//選擇數(shù)據(jù)庫(kù)
    if($select)
    {
      //echo"選擇數(shù)據(jù)庫(kù)成功！";
      if(isset($_POST["sub"]))
      {
        $name=$_POST["username"];
        $password1=$_POST["password"];//獲取表單數(shù)據(jù)
        $password2=$_POST["password2"];
        if($name==""||$password1=="")//判斷是否填寫(xiě)
        {
          echo"<script type="."\""."text/javascript"."\"".">"."window.alert"."("."\""."請(qǐng)?zhí)顚?xiě)完成！"."\"".")".";"."</script>";
          echo"<script type="."\""."text/javascript"."\"".">"."window.location="."\""."http://127.0.0.1:8080/register.html"."\""."</script>";    
          exit;
        }
        if($password1==$password2)//確認(rèn)密碼是否正確
        {
        $str="select count(*) from register where username="."'"."$name"."'";
        $result=mysql_query($str,$link);
        $pass=mysql_fetch_row($result);
        $pa=$pass[0];
        if($pa==1)//判斷數(shù)據(jù)庫(kù)表中是否已存在該用戶(hù)名
        {
        
        echo"<script type="."\""."text/javascript"."\"".">"."window.alert"."("."\""."該用戶(hù)名已被注冊(cè)"."\"".")".";"."</script>";
        echo"<script type="."\""."text/javascript"."\"".">"."window.location="."\""."http://127.0.0.1:8080/register.html"."\""."</script>";   
        exit; 
        }
        
        
        $sql="insert into register values("."\""."$name"."\"".","."\""."$password1"."\"".")";//將注冊(cè)信息插入數(shù)據(jù)庫(kù)表中
        //echo"$sql";
        mysql_query($sql,$link);
        mysql_query('SET NAMES UTF8');
        $close=mysql_close($link);
        if($close)
        {
          //echo"數(shù)據(jù)庫(kù)關(guān)閉";
          //echo"注冊(cè)成功！";
          echo"<script type="."\""."text/javascript"."\"".">"."window.location="."\""."http://127.0.0.1:8080/return.html"."\""."</script>";    
        }
        }
        else
        {
          echo"<script type="."\""."text/javascript"."\"".">"."window.alert"."("."\""."密碼不一致！"."\"".")".";"."</script>";
          echo"<script type="."\""."text/javascript"."\"".">"."window.location="."\""."http://127.0.0.1:8080/register.html"."\""."</script>";    
        }
      }
    }
  }
?>

login.php登錄界面對(duì)應(yīng)后臺(tái)文件

<?php
　　header("Content-type:text/html;charset=utf-8");
$link=mysql_connect("localhost","root","207207");
if($link)
{
  $select=mysql_select_db("login",$link);
  if($select)
  {
    if(isset($_POST["subl"]))
    {
      $name=$_POST["usernamel"];
      $password=$_POST["passwordl"];
      if($name==""||$password=="")//判斷是否為空
      {
        echo"<script type="."\""."text/javascript"."\"".">"."window.alert"."("."\""."請(qǐng)?zhí)顚?xiě)正確的信息！"."\"".")".";"."</script>";
        echo"<script type="."\""."text/javascript"."\"".">"."window.location="."\""."http://127.0.0.1:8080/login.html"."\""."</script>";
        exit;
      }
      $str="select password from register where username="."'"."$name"."'";
      mysql_query('SET NAMES UTF8');20       $result=mysql_query($str,$link);
      $pass=mysql_fetch_row($result);
      $pa=$pass[0];
      if($pa==$password)//判斷密碼與注冊(cè)時(shí)密碼是否一致
      {
        echo"登錄成功！";
        echo"<script type="."\""."text/javascript"."\"".">"."window.location="."\""."http://127.0.0.1:8080/success.html"."\""."</script>";
      }
      {  
        echo"<script type="."\""."text/javascript"."\"".">"."window.alert"."("."\""."登錄失??！"."\"".")".";"."</script>";
        echo"<script type="."\""."text/javascript"."\"".">"."window.location="."\""."http://127.0.0.1:8080/login.html"."\""."</script>";
      }
    }
    
  }
}
?>

自己閑來(lái)無(wú)事做的還有許多要完善的地方，歡迎大家提問(wèn)討論，提供更簡(jiǎn)便的方法！

以上就是小編為大家?guī)?lái)的php注冊(cè)和登錄界面的實(shí)現(xiàn)案例(推薦)全部?jī)?nèi)容了，希望大家多多支持腳本之家~

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