Home > Article > Web Front-end > How to implement the article like function with jQuery+ajax_jquery
The example in this article describes the method of jQuery+ajax to implement the article like function. Share it with everyone for your reference, the details are as follows:
A few days ago, someone asked me for the like function in the upper right corner of this site. Mai Cong thought about it and decided to share this function. I hope this function will bring convenience to everyone.
The code is very simple, implemented by jQuery+php.
jQuery code:
jQuery(document).ready(function($) { $(".zan").click(function(e){ var $i=$(".zan i"), $b=$("<b>").text("+1"), n=parseInt($i.text()); $b.css({ "bottom":0, "z-index":999, }); $i.text(n+1); $(".zan").append($b); $b.animate({"bottom":100,"opacity":0},1000,function(){$b.remove();}); var d = setInterval(function(){ clearInterval(d); if($(".zan b").length == 1){ $.post("",{zan:$i.text()}) } },1000) e.stopPropagation(); }); });
php code:
<?php $path = "zan.txt"; if(isset($_POST['zan'])){ $num = (int)$_POST['zan']; $save = fopen($path,"w"); fwrite($save,$num); fclose($save); echo "good"; exit(); $zan = file_exists($path) ? intval(file_get_contents($path)) : 0; } ?>
html code:
<div class="main"> <div class="zan"><em>看官们给了 <i><?php echo $zan; ?></i> 个赞</em></div> </div>
With appropriate css style:
.main { position: relative; font-size: 10pt; line-height: 18px; margin: 40px auto; width: 800px; height: 170px; -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; -o-user-select: none; user-select: none;} .zan { position: absolute; top: 20%; left: 45%; width: 160px; height: 110px; background: url("zan.jpg") center no-repeat; cursor: pointer; opacity: 0.85; } .zan:active { opacity: 1; } .zan em { position: absolute; color: #333; font-style: normal; bottom: -15px; width: 100%; text-align: center; } .zan i { font-style: normal; color: #E94F06; } .zan b { position: absolute; color: #E94F06; font-style: normal; bottom: -15px; width: 100%; text-align: center; }
That’s it, keep it simple!
Here is the complete code:
<?php $path = "zan.txt"; if(isset($_POST['zan'])){ $num = (int)$_POST['zan']; $save = fopen($path,"w"); fwrite($save,$num); fclose($save); echo "good"; exit(); } $zan = file_exists($path) ? intval(file_get_contents($path)) : 0; ?> <!doctype html> <html> <head> <meta charset="utf-8"> <title>我要点赞</title> <style> .main { position: relative; font-size: 10pt; line-height: 18px; margin: 40px auto; width: 800px; height: 170px; -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; -o-user-select: none; user-select: none;} .zan { position: absolute; top: 20%; left: 45%; width: 160px; height: 110px; background: url("zan.jpg") center no-repeat; cursor: pointer; opacity: 0.85; } .zan:active { opacity: 1; } .zan em { position: absolute; color: #333; font-style: normal; bottom: -15px; width: 100%; text-align: center; } .zan i { font-style: normal; color: #E94F06; } .zan b { position: absolute; color: #E94F06; font-style: normal; bottom: -15px; width: 100%; text-align: center; } </style> </head> <body> <div class="main"> <div class="zan"><em>看官们给了 <i><?php echo $zan; ?></i> 个赞</em></div> </div> <script src="jquery.min.js"></script> <script> jQuery(document).ready(function($) { $(".zan").click(function(e){ var $i=$(".zan i"), $b=$("<b>").text("+1"), n=parseInt($i.text()); $b.css({ "bottom":0, "z-index":999, }); $i.text(n+1); $(".zan").append($b); $b.animate({"bottom":100,"opacity":0},1000,function(){$b.remove();}); var d = setInterval(function(){ clearInterval(d); if($(".zan b").length == 1){ $.post("",{zan:$i.text()}) } },1000) e.stopPropagation(); }); }); </script> </body> </html>
The title says there is no limit to likes, so Mai Cong will tell you a little trick:
/* 怒赞 */ jQuery.noConflict(); function zan() { setInterval(function () { jQuery(".zan").click(); zan(); }, 600) } zan();
Of course, if you use Accelerate CC (like Mai Cong) and get too many like requests, you will be blocked! Unless you cancel POST in jQuery
I hope this article will be helpful to everyone in jQuery programming.