📄 20-4.php

📁 php 和 ajax 开发的一些资料
💻 PHP
字号:
<?php
if(!$_POST["user"])
{
	echo "<html>\n";								//输出标准HTML内容
echo "<head>\n";
echo "<title>\n";
echo "用户登录\n";
echo "</title>\n";
echo "</head>\n";
echo "<body>\n";
echo "<link href=\"style.css\" rel=\"stylesheet\" type=\"text/css\">\n";
echo "<div class=\"Frame\">\n";
  echo "
<script language=\"javascript\">
<!--
function Juge(theForm)
{
  if (theForm.user.value == \"\")
  {
    alert(\"请输入用户名称!\");
    theForm.user.focus();
    return (false);
  }
  if (theForm.pass.value == \"\")
  {
    alert(\"请输入用户密码!\");
    theForm.pass.focus();
    return (false);
  }
}
-->
</script>";
  echo "<div class=\"title\">论坛用户登录</div>\n";
  echo "<div class=\"main\">&nbsp;</div>\n";
  echo "<form action=\"".$_SERVER[PHP_SELF]."\" name=\"f\" method=\"post\"  onsubmit=\"return Juge(this)\">\n";
  echo "<div class=\"replyPerson\">输入用户名称：<input type=\"text\" name=\"user\" class=\"input\"></div>\n";
  echo "<div class=\"replyPerson\">输入用户密码：<input type=\"password\" name=\"pass\" size=\"21\" class=\"input\"></div>\n";
  echo "<div class=\"replyPerson\">选择登录时长：";
  echo "<select name=\"c_l\" size=\"1\" class=\"input\" style=\"width:151px\">\n";
  echo "<option value=\"0\">不保存</option>";
  echo "<option value=\"1\">保存一天</option>";
  echo "<option value=\"30\">保存一月</option>";
  echo "<option value=\"360\">保存一年</option>";
  echo "</select>\n";
  echo "</div>";
  echo "<div class=\"replyPerson\"><input type=\"submit\" value=\"确认登录\"></div>\n";
  echo "</form>\n";
}
else
{

	include "20-1.php";
	$user=$_POST["user"];
	$pass=md5($_POST["pass"]);
	$c_l=$_POST["c_l"];
	if(!$_POST["c_l"]) $c_l=0;
	//echo $c_l;
	$sql="SELECT id FROM $bbs_user WHERE name='$user' and pass='$pass'";
	$result=mysql_query($sql,$my_conn);
	if(mysql_num_rows($result)>0)
	{
		if($c_l!=0)		setcookie("user",$user,time()+$c_t*60*60*24);
		else setcookie("user",$user);
			echo "<html>\n";								//输出标准HTML内容
echo "<head>\n";
echo "<title>\n";
echo "用户登录\n";
echo "</title>\n";
echo "</head>\n";
echo "<body>\n";
echo "<link href=\"style.css\" rel=\"stylesheet\" type=\"text/css\">\n";
echo "<div class=\"Frame\">\n";
		echo "<div class=\"title\">成功登录<p>点<a href=\"20-5.php\">这里</a>进入论坛首页</div>";
		exit();
	}
	else
	{
			echo "<html>\n";								//输出标准HTML内容
echo "<head>\n";
echo "<title>\n";
echo "用户登录\n";
echo "</title>\n";
echo "</head>\n";
echo "<body>\n";
echo "<link href=\"style.css\" rel=\"stylesheet\" type=\"text/css\">\n";
echo "<div class=\"Frame\">\n";
	   echo "<div class=\"title\">用户名或者密码错误<p>点<a href=\"20-4.php\">这里</a>重新输入</div>";
	}
	mysql_close($my_conn);
}
echo "</div>";
echo "</doby>";
echo "</html>";
?>
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