PHP ??
PHP ?? ??
???? ? ?? ??? ? ? ??? HTML ??? ??? ? PHP? ???? HTML ???? ?? ??? PHP ?????? ??? ? ?? ??? ??? ? ??? ????.
?
?? ??? ? ?? ?? ??? ??? ?? ??? ?? HTML ??? ???? ????.
form.html ?? ??? ??? ????.
<html> <head> <meta charset="utf-8"> <title>php中文網(wǎng)(php.cn)</title> </head> <body> <form action="welcome.php" method="post"> 名字: <input type="text" name="fname"> 年齡: <input type="text" name="age"> <input type="submit" value="提交"> </form> </body> </html>
???? ?? ??? ???? ?? ??? ???? 'welcome.html'??? ??? PHP ??? ?? ???? ?????. php" :
welcome.php ??? ??? ????:
歡迎 <?php echo $_POST["fname"]; ?>!<br> 你的年齡是 <?php echo $_POST["age"]; ?> 歲。
?? ??? ??
??? ??? ??? ??? ????? ?? ?? ???? ???? ???. ????). ???? ??? ??? ? ???? ??? ??? ?????.
??? ??? ??????? ???? ?? ?? ?? ??? ?? ??? ???? ???. ???? ??? ???? ???? ?? ??? ?? ???? ???? ?? ??? ????? ???? ????. ??? ?? ???? ??? ?? ????? ?? ???? ?? ? ????. ???? ??? ?? ?? ? ?? ????.
GET ??? ???? ??? ??? ? ???? "Hello XXX"? ???? hello.html??? html ??? ???? ??? ?????.
<!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8"> <title>歡迎</title> </head> <body> <form action="hello.php" method="get"> 姓名<input name="name" type="text"/> <input type="submit"/> </form> </body> </html>
PHP ?? hello.php ??
<?php
header("Content-type: text/html; charset=utf-8");
if(isset($_GET['name'])&&$_GET['name']){//如果有值且不為空
echo 'Hello '.$_GET['name'];
}else{
echo 'Please input name';
}POST ?? ??, ??? ?? ?? ??, HTML ?? ?? add.html
<!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8"> <title>相加</title> </head> <body> <form action="add.php" method="post"> <input name="num1" type="text"/> + <input name="num2" type="text"/> <input type="submit" value="相加"/> </form> </body> </html>
PHP ?? ?? add. ??>
<?php
if($_POST['num1']&&$_POST['num2']){
echo $_POST['num1']+$_POST['num2'];
}else{
echo '請(qǐng)不要空值';
} Post ??? http ?? ??? ?? ???? ??? ?? ??? ???? form action=""? ??? ????, ??? ???? ??, ? ??? ???? ?? ??
