<?php
@session_start ();
MySQL tutorial _connect (' localhost ', ' root ', ' 19860427 ') or Die (' database server no exists! ');
mysql_select_db (' wk ') or Die (' Database error! ');
mysql_query ("SET NAMES ' GBK '");//set document CharSet encode
$uid = Get_value (' u ', ' post ');
$login _pwd = get_value (' P ', ' post ');
if (strlen ($uid) <3 | | strlen ($UID) >12) {
Alert (' User length is 3-12 characters! ', ');
}elseif (strlen ($login _pwd) <6 | | strlen ($login _pwd) >12) {
Alert (' Login password is incorrect, length is 6-12 bits ', ');
}else{
$sql = "SELECT * from Wk_member where m_uid= ' $uid ' and m_pass= ' $login _pwd '";
$result = mysql_query ($sql) or Die (Mysql_error ());
if (mysql_num_rows ($result)) {
$rs = Mysql_fetch_array ($result);
if ($rs [' M_pass ']!=md5 ($login _pwd)) {
Alert (' username and password do not match! ', ');
}else{
$_session[' uid ']=array ($rs [' id '], $uid, $rs [' M_tel ']);
Exit ("<script>location= ' registerok.php ';</script>");
}
}else{
Alert (' Login failed, username not present! ', ');
}
}
function Get_value ($st, $str = ' get ')
{
if ($str = = ' Post ')
{
return $_post[$st];
}else{
return $_get[$st];
}
}
?>
<form id= "Form1" Name= "Form1" method= "Post" action= "" >
<label>
<input type= "text" name= "U" id= "U"/>
</label>
User name
<p>
<label>
<input type= "text" Name= "P" id= "P"/>
</label>
Password </p>
<p>
<label>
<input type= "Submit" name= "button" id= "button" value= "submitted"/>
</label>
</p>
</form>
Data table Wk_member Structure
Id
M_uid
M_pass
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