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Jquery + ajax + xml + php simple message board-jQuery -.

Source: Internet
Author: User
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Demo address http://www.cnjquery.com/demo/gb/guestbook.html

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Guestbook.html

<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<Html xmlns = "http://www.w3.org/1999/xhtml">
<Head>
<Title> brushless jquery php xml Message Board </title>
<Meta http-equiv = "Content-Type" content = "text/html; charset = UTF-8"/>
<Style>
* {Margin: 0; padding: 0}
Ul {list-style: none}
# Msglist {width: 800px; vertical-align: text-top; margin: 20px auto 0px auto ;}

Dt {background: url(wtp-m.png); padding: 5px}
Dl {border: solid 1px #8db2e3}
Dd {padding: 5px}
# Page span {cursor: pointer ;}
# Commentformbox {width: 800px; vertical-align: text-top; margin: 20px auto 0px auto ;}
# Commentformbox TEXTAREA {width: 400px; height: 100px; vertical-align: text-top; margin: 20px auto 0px auto ;}
</Style>
<Script language = "JavaScript" src = "js/jquery-1.2.6.js"> </script>
<Script language = "JavaScript">
<! --
$ (Document). ready (function (){

Function load_msg (page)
{
Certificate ('{state'}.html ("Current status: loading data ....");
Page00000000(this0000.html ();
Page = "undefined "? 1: page;
 
$. Post ("comments-ajax.php", {action: "load", page: page}, function (data ){
// Alert ($ (data). find ("span"). text ());
 
$ ('# Commentlist dl'hangzhou.html (data); // append message data
$ ('# Commentlist dl'). find ("span"). bind ("click", load_msg );
Certificate ('{state'}.html ("Current status: data loaded ");
})
 
}

Load_msg ();
If ($ ('# commentform'). length ){
$ ('# Commentform'). submit (function (){
JQuery. ajax ({
Url: 'comments-ajax. php', // here you want to change to the location of the comments-ajax.php File
Data: $ ('# commentform'). serialize (), // obtain data from the form
Type: 'post', // set the request type to 'post'. The default value is 'get'
BeforeSend: function (){
Condition ('{state'}.html ("Current status: sending data .... ");
},
Error: function (request ){
Response ('{state'}.html (request. responseText );
},
Success: function (data ){
$ ('Textarea '). each (function (){
This. value = '';
});

('{State'{.html ("Current status: data published successfully ");
$ ('# Commentlist dl'). prepend (data); // append message data
$ ('# Commentform: input'). attr ('Disabled', true );
$ ('# Commentformbox'). fadeOut (1000 );
$ ('# Commentload'). hide ();
SetTimeout (function () {// submit a message for 15 seconds before submitting a new message
$ ('# Commentform: input'). removeAttr ('Disabled ');
$ ('# Commentformbox'). fadeIn (15000 );
},5000 );
}
});
Return false;
});
}
})

// -->
</SCRIPT>
<Body>
<Div ID = "state"> Current Status </div>
<Div ID = "msglist">
<Div id = "commentlist">
<Dl>

</Dl>
</Div>
</Div>

<Div id = commentformbox>
<Form method = post action = "" ID = "commentform">
<Textarea name = "Content" ROWS = "" COLS = ""> </TEXTAREA> <br> <input type = "submit" value = "publish information">
</FORM>
</Div>
</Body>

Comments-ajax.php

<? Php
// ================================================ ====
// File name: comments-ajax.php
// Description: simple jquery php XML message book
// Power by cnjquery.com
// ================================================ ====
If ($ _ SERVER ["REQUEST_METHOD"]! = "POST "){
Header ('Allow: Post ');
Header ("HTTP/1.1 405 Method Not Allowed ");
Header ("Content-type: text/plain ");
Exit;
}

Class guestbook extends DOMDocument
{
Var $ pagenum = 10;

Public function _ construct ()
{
Parent: _ construct ();
If (! File_exists ("guestbook. xml "))
{
$ Xmlstr = "<? Xml version = '1. 0'?> <Msglist> </msglist> ";
$ This-> loadXML ($ xmlstr );
$ This-> save ("guestbook. xml ");
}
Else
$ This-> load ("guestbook. xml ");
}
Public function loadMessage ($ page)
{
$ Page = ($ page> 0 )? $ Page: 1;
$ Num = ($ page-1) * $ this-> pagenum;
$ Roots = $ this-> getElementsByTagName ("msglist ");
// Print_r ($ roots );
$ Root = $ roots-> item (0 );
$ Msg = $ root-> getElementsByTagName ("msg ");
$ Total = $ msg-> length;
// Echo $ total;
$ Totalpage = ceil ($ total/$ this-> pagenum );
$ Totalpage = $ totalpage? $ Totalpage: 1;
$ Startid = $ total <$ num? $ Total: $ total-$ num;
$ Listnum = $ startid> $ this-> pagenum? $ Startid-$ this-> pagenum: 0;
// Echo $ startid;
// Echo $ listnum;
For ($ I = $ startid-1; $ I >=$ listnum; $ I --)
{

Echo "<dt> & nbsp; ip :". $ msg-> item ($ I)-> getElementsByTagName ("ip")-> item (0)-> nodeValue. "& nbsp; time :". $ msg-> item ($ I)-> getElementsByTagName ("time")-> item (0)-> nodeValue. "</dt> <dd> ". trim (nl2br ($ msg-> item ($ I)-> getElementsByTagName ("content")-> item (0)-> nodeValue )). "</dd> ";
}
Echo "<dt ID = page> ";
For ($ I = 1; $ I <= $ totalpage; $ I ++)
{
Echo "& nbsp; <span>". $ I. "</span> ";
}
Echo "</dt> ";

}
Public function saveMessage ($ clientIP, $ clientTime, $ postContent)
{
$ Msglists = $ this-> getElementsByTagName ("msglist ");
$ Msglist = $ msglists-> item (0 );
$ Msg = $ this-> createElement ("msg ");
$ Ip = $ this-> createElement ("ip ");
$ Ip-> appendChild ($ this-> createTextNode ($ clientIP ));
$ Msg-> appendChild ($ ip );
$ Time = $ this-> createElement ("time ");
$ Time-> appendChild ($ this-> createTextNode ($ clientTime ));
$ Msg-> appendChild ($ time );
$ Content = $ this-> createElement ("content ");
$ Content-> appendChild ($ this-> createCDATASection (nl2br (SafeHtml ($ _ POST ["Content"]);
$ Msg-> appendChild ($ content );
$ Msglist-> insertBefore ($ msg );
$ This-> save ("guestbook. xml ");
Echo "<dt> & nbsp; ip :". $ clientIP. "& nbsp; time :". $ clientTime. "</dt> <dd> ". $ postContent. "</dd> ";
}
}
$ Guestbook = new guestbook;
If ($ _ POST ["action"] = "load ")
{
$ Guestbook-> loadMessage (intval ($ _ POST ["page"]);
Exit;
}
$ IP = $ _ SERVER ["SERVER_ADDR"];
$ Time = date ("Y-m-d H: I: s ");
$ Content = nl2br (SafeHtml ($ _ POST ["Content"]);
$ Guestbook-> saveMessage ($ IP, $ time, $ content );
Exit;

// Http://hellobmw.com/archives/ajax-comments-with-jquery-for-wordpress.html
Function SafeHtml ($ msg = "", $ clear_script = true)
{
If (empty ($ msg ))
{
Return false;
}
$ Msg = str_replace ('& amp;', '&', $ msg );
$ Msg = str_replace ('& nbsp;', '', $ msg );
If (get_magic_quotes_gpc ())
{
$ Msg = str_replace ("'", "& #39;", $ msg );
$ Msg = str_replace ('"'," & quot; ", $ msg );
}
Else
{
$ Msg = str_replace ("'", "& #39;", $ msg );
$ Msg = str_replace ('"'," & quot; ", $ msg );
}
$ Msg = str_replace ("<", "& lt;", $ msg );
$ Msg = str_replace (">", "& gt;", $ msg );
$ Msg = str_replace ("", "& nbsp;", $ msg );
$ Msg = str_replace ("", "", $ msg );
$ Msg = str_replace ("", "& nbsp;", $ msg );
If ($ clear_script)
{
$ Msg = preg_replace ("/<script (.*?) </Script>/is "," ", $ msg );
$ Msg = preg_replace ("/<frame (. *?)> /Is "," ", $ msg );
$ Msg = preg_replace ("/<iframe (. *?)> /Is "," ", $ msg );
$ Msg = preg_replace ("/</fram (. *?)> /Is "," ", $ msg );
}
Return $ msg;
}

?>

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Keywords:
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