input file 不能更改value值的解决办法

<div class=”form-item” id=”file-demo-wrapper”>

 <label for=”file-demo”>请选择文件:www.jb51.net </label>

 <input type=”file” name=”files[file-demo]”  class=”form-file” id=”file-demo” size=”40″ />

</div>

$(“#file-demo”).remove();

//https://www.jb51.net

$(“<input type=\”file\” name=\”files[file-demo]\”  class=\”form-file\” id=\”file-demo\” size=\”40\” />”).appendTo(“#file-demo-wrapper”);