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Ajax Encapsulation Class use guide _ajax related

Source: Internet
Author: User
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Ajax is very difficult to say, but the encapsulation you will find that it is easy to use, of course, is also a simple application, such as the application of the message board, here, first of all, to send everyone a gift that is encapsulated good Ajax class, download the address http://xiazai.jb51.net/ 201412/yuanma/ajax3.0 (jb51.net). rar download this class here, and then teach you how to use it!
Example Oh!

Copy Code code as follows:

<title>ajax Example </title>
<script src= "Ajax3.0.js" ></script>
<body>
<script>
document.write (New Date () + "<br>");
document.write (New Date () + "<br>");
document.write (New Date () + "<br>");
</script>
<div id= "Show" style= "background:yellow;border:1px solid Blue" >
Content loading ...
</div>
<script>
function Read () {
Ajax (). Get ("read.php?num=" +math.random (), function (data) {
document.getElementById ("Show"). Innerhtml=data;
})
}
Read ();
Setinerval ("Read ()", 3000);
function Send () {
var username=document.frm.username;
var desn=document.frm.desn;
var Datao = {username:username.value, desn:desn.value};
Ajax (). Post ("save.php", Datao, function (data) {

Read ();
Username.value= "";
Desn.value= "";
});
}
</script>
<form name= "frm" >
User name: <input type= "text" name= "username" value= "" ><br>
Content: <textarea cols= "rows=" "5" name= "DESN" ></textarea>
<input type= "button" onclick= "Send ()" value= "message" >
</form>
<script>
document.write (New Date () + "<br>");
document.write (New Date () + "<br>");
document.write (New Date () + "<br>");
</script>
</body>

First join our ajax3.0.js this file, and then we'll write this thing Ajax (). Post ("save.php", Datao, Function (data))
Ajax () Two arguments first returns XML JSON or HTML second true asynchronous transmission false synchronous transmission post Well, you know what, huh?
Below is the PHP file

Copy Code code as follows:

read.php
@readfile ("Demo.txt");
save.php
Header ("content-type:text/html;charset=gb2312")
$username =$_post["username"];
$DESN = $_post["DESN"];

$fh = fopen ("Demo.txt", "a");

$text = $username. " -". Date (" Y-m-d h:i:s ")." said: ". $desn." <br> ";

Fwrite ($FH, $text);

Fclose ($FH);
Demo.text
Fdsafdsa--2012-11-01 12:24:04 said: fdsafdsa<br>fdsafdsa--2012-11-01 12:24:07 said: fdsafdsafsa<br>111-- 2012-11-01 12:25:07 said: 2222<br>eeee--2012-11-01 12:25:10 said: eeee<br>fdsfds--2012-11-01 12:25:12 said: Fdsfdsfds<br>fdsfds--2012-11-01 12:25:19 said: fdsfdsfs<br>fdsfdsf--2012-11-01 12:25:22 said: sfdsfdsfds<br >fdsafdsa--2012-11-01 12:26:00 said:fdsafdsa<br>

Well, there is something today, writing may not be detailed enough, what do not understand, please leave a message,

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Related Keywords:
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