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<pre name="code" class="javascript">$(".addimg-LiuLan").change(function(){
  var objUrl = getObjectURL(this.files[0]) ;//»ñÈ¡Îļþ
  console.log("objUrl = "+objUrl) ;
  if (objUrl) {
   $(".addimg-Kuang").attr("src", objUrl) ;
  }
 }) ;

function getObjectURL(file) {
var url = null ;
 if (window.createObjectURL!=undefined) { //
 basicurl = window.createObjectURL(file) ;
} else if (window.URL!=undefined) { //
 mozilla(firefox)url = window.URL.createObjectURL(file) ;
} else if (window.webkitURL!=undefined) { //
 webkit or chromeurl = window.webkitURL.createObjectURL(file) ;
}return url ;}