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<!DOCTYPE html> <html> <head> <style> .fileInputContainer{ display:block; height:32px; background:url(http://images.cnblogs.com/cnblogs_com/yeminglong/773287/o_1181850.png); position:relative; width: 32px; z-index:4; } .fileInput{ display:blcok; height:32px; overflow: hidden; font-size: 32px; position:absolute; z-index:5; right:0; top:0; opacity: 0; filter:alpha(opacity=0); cursor:pointer; border:1px solid red; } </style> </head> <body> <a href="javascript:void(0);" class="fileInputContainer"> <input class="fileInput" type="file" name="" id="" /> </a> </body> </html>
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原文地址：http://www.cnblogs.com/yeminglong/p/5091140.html
