上传图片时JS自动显示图片

Code
<HTML>
<META http-equiv=Content-Type content="text/html; charset=utf-8">
<HEAD>
<TITLE> Test Page </TITLE>

</HEAD>

<BODY>
<script>
function preview(imgFile,num)
{
    //预览代码，支持 IE6、IE7。
    var newPreview = document.getElementById("preview1");

    var t ;
    if(document.all) //IE
    t = imgFile.value;
    else
    t = imgFile.files[0].getAsDataURL(); //FF
    newPreview.style.backgroundImage = "url(" + t + ")";//imgFile.value;
    newPreview.style.width = "108px";
    newPreview.style.height = "130px";
    newPreview.style.display = "block";
}

</script>
<input type="file" onchange='ShowImg(this)' />

<div id="preview1" style="border:1px solid #FFCC00; width:108px; height:130px;display:block" >

</div>
<script>function ShowImg(o)
{
//var Browser_Agent=navigator.userAgent;
//if(Browser_Agent.indexOf("Firefox")!=-1)
//{
//火狐使用
  //  document.getElementById("idImg").src=o.files[0].getAsDataURL();
  //  document.getElementById("idImg").style.display = "block";
  // }
//else
//{
      preview(o,1);
    //}
} </script>

</BODY>
</HTML>

posted on 2009-06-18 11:36 Dufe王彬阅读(1869) 评论(1) 编辑收藏举报