html代码
<input type="file" name="file" id="file" >
<img src="" id="img">
js代码
$("#file").bind("change",function(){ var url = null; if(window.createObjectURL != undefined) { url = window.createObjectURL(this.files[0]); } else if(window.URL != undefined) { url = window.URL.createObjectURL(this.files[0]); } else if(window.webkitURL != undefined) { url = window.webkitURL.createObjectURL(this.files[0]); } $("#img").attr("src",url); })