<?php
//reg.php
if($_POST['name'] or $_POST['pass']){
//检长名字和密码长度是否符合要求
if(strlen($_POST['name'])<2 or strlen($_POST['name'])>8){
echo "用户名长度 需在 2-8 字符之间, 请 <a href=# onClick=history.go(-1)>返回</a> 重新填写";
exit;
}elseif(strlen($_POST['pass'])<6 or strlen($_POST['pass'])>20){
echo "密码长度 需在 6-20 字符之间, 请 <a href=# onClick=history.go(-1)>返回</a> 重新填写";
exit;
}else{
$name = clean_value($_POST['name']);
$pass = md5($_POST['pass']);
//把name跟pass的值加入数据库相应字段
echo "注册完成,欢迎你 ".$_POST['name'];
}
}else{
echo" <form name=\"reg\" method=\"post\" action=\"reg.php\">";
echo" <p>";
echo" <input name=\"name\" type=\"text\" id=\"name\">";
echo" </p>";
echo" <p> ";
echo" <input name=\"pass\" type=\"text\" id=\"pass\">";
echo" </p>";
echo" <p>";
echo" <input type=\"submit\" name=\"Submit\" value=\"提交\">";
echo" </p>";
echo"</form>";
}function clean_value($val) {
if ($val == "")
{
return "";
}
$val = trim($val);
$val = str_replace("", "*", $val);
$val = str_replace( " " , " " , $val );
$val = str_replace( "&" , "&" , $val );
$val = str_replace( "<!--" , "<!--" , $val );
$val = str_replace( "-->" , "-->" , $val );
$val = preg_replace( "/<script/i" , "<script" , $val );
$val = str_replace( ">" , ">" , $val );
$val = str_replace( "<" , "<" , $val );
$val = str_replace( "\"" , """ , $val );
$val = preg_replace( "/\|/" , "|" , $val );
$val = preg_replace( "/\n/" , "<br>" , $val ); // Convert literal newlines
$val = preg_replace( "/\\\$/" , "$" , $val );
$val = preg_replace( "/\r/" , "" , $val ); // Remove literal carriage returns
$val = str_replace( "!" , "!" , $val );
$val = str_replace( "'" , "'" , $val ); // IMPORTANT: It helps to increase sql query afety.
$val = stripslashes($val); // Swop PHP added backslashes
$val = preg_replace( "/\\\/" , "\" , $val ); // Swop user inputted backslashes
return $val;
}
?>
//reg.php
if($_POST['name'] or $_POST['pass']){
//检长名字和密码长度是否符合要求
if(strlen($_POST['name'])<2 or strlen($_POST['name'])>8){
echo "用户名长度 需在 2-8 字符之间, 请 <a href=# onClick=history.go(-1)>返回</a> 重新填写";
exit;
}elseif(strlen($_POST['pass'])<6 or strlen($_POST['pass'])>20){
echo "密码长度 需在 6-20 字符之间, 请 <a href=# onClick=history.go(-1)>返回</a> 重新填写";
exit;
}else{
$name = clean_value($_POST['name']);
$pass = md5($_POST['pass']);
//把name跟pass的值加入数据库相应字段
echo "注册完成,欢迎你 ".$_POST['name'];
}
}else{
echo" <form name=\"reg\" method=\"post\" action=\"reg.php\">";
echo" <p>";
echo" <input name=\"name\" type=\"text\" id=\"name\">";
echo" </p>";
echo" <p> ";
echo" <input name=\"pass\" type=\"text\" id=\"pass\">";
echo" </p>";
echo" <p>";
echo" <input type=\"submit\" name=\"Submit\" value=\"提交\">";
echo" </p>";
echo"</form>";
}function clean_value($val) {
if ($val == "")
{
return "";
}
$val = trim($val);
$val = str_replace("", "*", $val);
$val = str_replace( " " , " " , $val );
$val = str_replace( "&" , "&" , $val );
$val = str_replace( "<!--" , "<!--" , $val );
$val = str_replace( "-->" , "-->" , $val );
$val = preg_replace( "/<script/i" , "<script" , $val );
$val = str_replace( ">" , ">" , $val );
$val = str_replace( "<" , "<" , $val );
$val = str_replace( "\"" , """ , $val );
$val = preg_replace( "/\|/" , "|" , $val );
$val = preg_replace( "/\n/" , "<br>" , $val ); // Convert literal newlines
$val = preg_replace( "/\\\$/" , "$" , $val );
$val = preg_replace( "/\r/" , "" , $val ); // Remove literal carriage returns
$val = str_replace( "!" , "!" , $val );
$val = str_replace( "'" , "'" , $val ); // IMPORTANT: It helps to increase sql query afety.
$val = stripslashes($val); // Swop PHP added backslashes
$val = preg_replace( "/\\\/" , "\" , $val ); // Swop user inputted backslashes
return $val;
}
?>
if (eregi("^[_.0-9a-z-]+@([0-9a-z][0-9a-z-]+.)+[a-z]{2,3}$",$email)) {
echo "您的 E-mail 通过初步检查";
}
?>