本文實例講述了jquery實現點擊查看更多內容控制段落文字展開折疊效果。分享給大家供大家參考。具體如下:
這裡使用jQuery實現的文字展開折疊效果,點擊文字後文字內容會完整的顯示出來,控制段落來顯示文字,不需要的時候,可以再次點擊後將內容折疊起來,也就是隱藏了一部分內容。點擊查看更多的功能,在很多大網站都有在用,像一些電影簡介、產品介紹有時候為了頁面的佈局效果,常常默認是隱藏了一部分,用戶想看的時候可以點擊後展開。
運作效果如下圖:
具體程式碼如下:
<!DOCTYPE html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>jQuery文本段落展开和折叠效果</title> <style> html,body,p,h2,p{margin: 0;padding: 0;} html{font: 1em Arial, Helvetica, sans-serif;color: #444;} a{color: #0087f1;} p{margin-bottom: 5px;} #container{margin: 0 auto;width: 600px;} #container h2{font-size: 20px;color: #0087f1;} #wrap{position: relative;padding: 10px;overflow: hidden;} #gradient{width: 100%;height: 35px;background: url() repeat-x;position: absolute;bottom: 0;left: 0;} #read-more{padding: 5px;border-top: 4px double #ddd;background: #fff;color: #333;} #read-more a{padding-right: 22px;background: url() no-repeat 100% 50%;font-weight: bold;text-decoration: none;} #read-more a: hover{color: #000;} </style> <script type="text/javascript" src="jquery-1.6.2.min.js?7.1.34"></script> <script type="text/javascript"> $(function(){ var slideHeight = 75; // px var defHeight = $('#wrap').height(); if(defHeight >= slideHeight){ $('#wrap').css('height' , slideHeight + 'px'); $('#read-more').append('<a href="#">点击查看更多。。</a>'); $('#read-more a').click(function(){ var curHeight = $('#wrap').height(); if(curHeight == slideHeight){ $('#wrap').animate({ height: defHeight }, "normal"); $('#read-more a').html('点击隐藏'); $('#gradient').fadeOut(); }else{ $('#wrap').animate({ height: slideHeight }, "normal"); $('#read-more a').html('点击查看更多。。'); $('#gradient').fadeIn(); } return false; }); } }); </script> </head> <body> <p id="container"> <h1>jQuery 控制段落文字展开折叠,点击查看更多的功能</h1> <h2>About Billabong</h2> <p id="wrap"> <p> <p>Gordon developed his own stitching technique, which made the garments more durable, cost effective and less labor intensive. He employed machinists, moved the operation into a factory, set up a distribution network and sponsored a team of renowned Australian surfers. The business thrived.</p> <p>Since those beginnings, Billabong has expanded its product range to include boardsport products such as wetsuits, watches, surfboards, snowboard outerwear and skateboarding apparel.</p> </p> <p id="gradient"></p> </p> <p id="read-more"></p> </p> </body> </html>
具體程式碼如下: