text: ﻿$("#file0").change(function(){
    var objUrl = getObjectURL(this.files[0]) ;
    console.log("objUrl = "+objUrl) ;
    if (objUrl) {
      $("#img0").attr("src", objUrl) ;
    }
  }) ;
  //建立一個可存取到該file的url
  function getObjectURL(file) {
    var url = null ; 
    if (window.createObjectURL!=undefined) { // basic
      url = window.createObjectURL(file) ;
    } else if (window.URL!=undefined) { // mozilla(firefox)
      url = window.URL.createObjectURL(file) ;
    } else if (window.webkitURL!=undefined) { // webkit or chrome
      url = window.webkitURL.createObjectURL(file) ;
    }
    return url ;
  }