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php中变量传递的几种办法

2014-02-25 17:54 531 查看

一、表单传递：

----------------------page1.htm-----------------

PHP:--------------------------------------------------------------------------------

<html>

<form name="form1" method="post" action="page2.php" >

<input type="submit" name="Submit" value="提交">

<input type="hidden" name="a" value="hello">

</form>

</html>

--------------------------------------------------------------------------------

------------------------page2.php---------------------

PHP:--------------------------------------------------------------------------------

<?

$a=$_POST["a"]; //$a的值为“hello”

?>

--------------------------------------------------------------------------------

二、超链接传递：

-------------------page1.php----------

PHP:--------------------------------------------------------------------------------

<?

$a="hello";

?>

<a href=page2.php?a=<? echo $a ?>>转到</a>

--------------------------------------------------------------------------------

-------------------page2.php-------------------

PHP:--------------------------------------------------------------------------------

<?

$a=$_GET["a"]; //$a的值为“hello”

?>

--------------------------------------------------------------------------------

三、重定向传递：

1、

-------------------page1.php----------

PHP:--------------------------------------------------------------------------------

<?

ob_start();

$a="hello";

header("Location:page2.php?a=".$a);

ob_end_flush();

?>

--------------------------------------------------------------------------------

或2、

----------------------------------------

PHP:--------------------------------------------------------------------------------

<?

ob_start();

$a="hello";

echo"<script>Location='page2.php?a=".$a."';</script>");

ob_end_flush();

?>

--------------------------------------------------------------------------------

或3、

----------------------------------------

PHP:--------------------------------------------------------------------------------

<?

ob_start();

$a="hello";

echo"<META HTTP-EQUIV='Refresh' CONTENT='0;URL=page2.php?a=".$a."'>";

ob_end_flush();

?>

--------------------------------------------------------------------------------

-------------------page2.php-------------------

PHP:--------------------------------------------------------------------------------

<?

$a=$_GET["a"]; //$a的值为“hello”

?>

--------------------------------------------------------------------------------

四、用COOKIE传递的方法:

-------------page1.php-----------------------

<?

$a="hello";

setcookie("a","$a");

?>

-------------page2.php-----------------------

<?

$a=$_COOKIE["a"];

echo $a;

?>

五、用SESSION传递的方法:

-------------page1.php-----------------------

<?

session_start();

session_register("a");

$a="hello";

?>

-------------page2.php-----------------------

<?

$a=$_SESSION["a"];

echo $a;

?>

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