PHP实现通用alert函数的方法

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function Alert($Str,$Typ="back",$TopWindow="",$Tim=100){

echo "<script>".chr(10);

if(!empty($Str)){

echo "alert(\"Warning:\\n\\n{$Str}\\n\\n\");".chr(10);

}

echo "function _r_r_(){";

$WinName=(!empty($TopWindow))?"top":"self";

switch (StrToLower($Typ)){

case "#":

break;

case "back":

echo $WinName.".history.go(-1);".chr(10);

break;

case "reload":

echo $WinName.".window.location.reload();".chr(10);

break;

case "close":

echo "window.opener=null;window.close();".chr(10);

break;

case "function":

echo "var _T=new function('return {$TopWindow}')();_T();".chr(10);

break;

//Die();

Default:

if($Typ!=""){

//echo "window.{$WinName}.location.href='{$Typ}';";

echo "window.{$WinName}.location=('{$Typ}');";

}

}

echo "}".chr(10);

//為防止Firefox不執行setTimeout

echo "if(setTimeout(\"_r_r_()\",".$Tim.")==2){_r_r_();}";

if($Tim==100){

echo "_r_r_();".chr(10);

}else{

echo "setTimeout(\"_r_r_()\",".$Tim.");".chr(10);

}

echo "</script>".chr(10);

Exit();

}