jQuery+ajax实现文章点赞功能的方法
本文实例讲述了jQuery+ajax实现文章点赞功能的方法。分享给大家供大家参考,具体如下:
前几日有童鞋问我索要本站右上角的点赞功能,麦葱左思右想,决定把这功能分享出来,希望此功能对各位会带来方便哦。
代码很简单,jQuery+php实现的。
jQuery代码:
jQuery(document).ready(function($){ $(".zan").click(function(e){ var$i=$(".zani"),$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();}); vard=setInterval(function(){ clearInterval(d); if($(".zanb").length==1){ $.post("",{zan:$i.text()}) } },1000) e.stopPropagation(); }); });
php代码:
<?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($path)):0; } ?>
html代码:
<divclass="main"> <divclass="zan"><em>看官们给了<i><?phpecho$zan;?></i>个赞</em></div> </div>
配上合适的css样式:
.main{position:relative;font-size:10pt;line-height:18px;margin:40pxauto;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")centerno-repeat;cursor:pointer;opacity:0.85;} .zan:active{opacity:1;} .zanem{position:absolute;color:#333;font-style:normal;bottom:-15px;width:100%;text-align:center;} .zani{font-style:normal;color:#E94F06;} .zanb{position:absolute;color:#E94F06;font-style:normal;bottom:-15px;width:100%;text-align:center;}
就是这样,简单吧!
下面是完整代码:
<?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($path)):0; ?> <!doctypehtml> <html> <head> <metacharset="utf-8"> <title>我要点赞</title> <style> .main{position:relative;font-size:10pt;line-height:18px;margin:40pxauto;width:800px;height:170px;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;-o-user-select:none;user-select:none;} .zan{position:absolute;top:20%;left:45%;width:160px;height:110px;background:url("zan.jpg")centerno-repeat;cursor:pointer;opacity:0.85;} .zan:active{opacity:1;} .zanem{position:absolute;color:#333;font-style:normal;bottom:-15px;width:100%;text-align:center;} .zani{font-style:normal;color:#E94F06;} .zanb{position:absolute;color:#E94F06;font-style:normal;bottom:-15px;width:100%;text-align:center;} </style> </head> <body> <divclass="main"> <divclass="zan"><em>看官们给了<i><?phpecho$zan;?></i>个赞</em></div> </div> <scriptsrc="jquery.min.js"></script> <script> jQuery(document).ready(function($){ $(".zan").click(function(e){ var$i=$(".zani"),$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();}); vard=setInterval(function(){ clearInterval(d); if($(".zanb").length==1){ $.post("",{zan:$i.text()}) } },1000) e.stopPropagation(); }); }); </script> </body> </html>
标题都说了是无上限点赞的,So,麦葱告诉大家个小诀窍:
/*怒赞*/ jQuery.noConflict(); functionzan(){ setInterval(function(){ jQuery(".zan").click(); zan(); },600) } zan();
当然,如果你使用了加速乐防CC(麦葱就是),怒赞请求量过多,会被屏蔽掉哦!除非你取消掉jQuery里的POST
希望本文所述对大家jQuery程序设计有所帮助。