<div class="xiaJiaUpload">
        <input type="file" class="type-file file-input" name="picFile" id="five"/>
        <span class="file-span">
            <img src="images/upload.jpg" alt="" id="imgfive" data_src=""/>
        </span>
</div>

$(".xiaJiaUpload input").change(function() {
        var files = this.files;
        var that = $(this);
        var strHtml = "";
        var tmpFile = files[0];
        var reader = new FileReader(); //每循环一次都要重新new一个FileReader实例
        reader.readAsDataURL(tmpFile);
        reader.onload = function(e) {
            that.next().find("img").get(0).src = e.target.result;
        };
    });