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Today is just Saturday, yesterday, someone in the group asked how to intern PHP Instant Messaging. I also searched the information, I intend to implement the PHP message push in the-ajax long polling. I think the introduction of PHP Instant Messaging is better:
Http://www.cnblogs.com/hnrainll/archive/2013/05/07/3064874.html
can refer to, other I will not say, reference links, better than for demonstration, there is no operation of the database in the things.
Entry Code index.html
<! DOCTYPE html><html><head> <title>Anti-Ajax push</title> <style> . Send{color:#555; text-align: left; } . Require{color:blue; text-align: right; } . Content_box{text-align: center; margin: px; Border: 1px solid #ddd; padding: px; } </style> <script src="Http://code.jquery.com/jquery-1.11.2.min.js"></script></head><body> <div class="Content_box" id="Content_box_title" Style="Border:none;" >message box</div> <div class="Content_box" id="Content_box"> </div> <div Style="width:450px;margin:0 auto;" > <select id="username" style="font-size:20px;" > <option value="1" selected= "selected">1</option> <option value="2">2</option> </Select> <input type="text" style="font-size:20px;" Value="" id="Send_text"> <button id="Btn_send" style="font-size:20px;" >Send</button> <button id="Btn_link" style="font-size:20px">Connection</button> </div> <div class="Error_tip" id="Error_tip" style ="color:red;" > </div> <script>$( function(){ //Send Message$(' #btn_send '). Click ( function(){ varSend_text = $ (' #send_text '). Val ();if(Send_text.length <=0){ $(' #error_tip '). HTML (' cannot enter a null value '); }Else{Send (Send_text); } });//press ENTER to send message$(' #send_text '). On (' KeyUp ', function(e){ if(E.keycode = = -){ $(' #btn_send '). Trigger (' click '); } });//Establish a communication link$(' #btn_link '). Click ( function(){Connect ();var_this = $ ( This); _this.attr (' disabled ',true); _this.html (' Connected '); }); });//Establish communication connection function function connect(){$(' #content_box_title '). HTML ($ (' #username '). Val () +' The message window '); $.ajax ({data:{' user ':$(' #username '). Val ()}, URL:' ajaxpush.php ', type:' Get ', timeout:0, DataType:' JSON ', Success: function(data){$(' #content_box '). Append (' <div class= ' require ' > '+data.msg+' </div> '); Connect (); } }); }//Send Message function function send(massege){ varUser =$ (' #username '). Val (); $.getjson (' write.php ',{' msg ': Massege,' user ': User}, function(data){ if(DATA.SF) { $(' #content_box '). Append (' <div class= ' send ' > '+massege+' </div> '); $(' #send_text '). Val ("'); }Else{ $(' #error_tip '). HTML (' Input Save error! '); } }); }</script></body></html>Ajax processing Input write.php
<?php/** * Created by TXM. * TIME:2015/4/18 13:13 * Function: */$filename= DirName (__file__).'/data.txt ';$isread _file= DirName (__file__).'/isread.txt ';$user= DirName (__file__).'/user.txt ';//write message, message unread, who sends the messageFile_put_contents ($filename,$_get[' msg ']); File_put_contents ($isread _file,' 0 '); File_put_contents ($user,$_get[' user ']);EchoJson_encode (Array(' SF '=true));Long polling push ajaxpush.php
<?php/** * Created by TXM. * TIME:2015/4/18 13:12 * Function: */$filename= DirName (__file__).'/data.txt ';$isread _file= DirName (__file__).'/isread.txt ';$userfile= DirName (__file__).'/user.txt ';$get _user=$_get[' user '] ==' 1 '?' 2 ':' 1 ';$msg="'; while(1){$msg= File_get_contents ($filename);$isread= File_get_contents ($isread _file);$user= File_get_contents ($userfile);//Is the message sent by the other party, set the message to read, exit the loop. if($isread==' 0 '&&$get _user==$user) {file_put_contents ($isread _file,' 1 '); Break; } Sleep (1);}EchoJson_encode (Array(' msg '=$msg));Http://pan.baidu.com/s/1pJ5elpp
PHP message push (including source code)
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