<!--点击预览图片-->
 <div class="picDiv">
  <div class="addImages">
  <!--multiple属性可选择多个图片上传-->
  <input type="file" class="file" id="fileInput" multiple accept="image/png, image/jpeg, image/gif, image/jpg" />
  <div class="text-detail">
   <span>+</span>
   <p>点击上传</p>
  </div>
 </div>
 </div>

 .imageDiv{
  display: inline-block;
  width: 140px;
  height: 125px;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  border: 1px dashed darkgray;
  background: #f8f8f8;
  position: relative;
  overflow: hidden;
  }
  .cover{
  position: absolute;
  z-index: 1;
  top: 0;
  left: 0;
  width: 140px;
  height: 125px;
  background-color: rgba(0,0,0,.3);
  display: none;
  line-height: 125px;
  text-align: center;
  cursor: pointer;
  }
  .cover>.delbtn{
  color: red;
  font-size: 20px;
  }
  .imageDiv:hover .cover{
  display: block;
  }
  .addImages{
  display: inline-block;
  width: 140px;
  height: 125px;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  border: 1px dashed darkgray;
  background: #f8f8f8;
  position: relative;
  overflow: hidden;
  }
  .text-detail{
  margin-top: 40px;
  text-align: center;
  }
  .text-detail>span{
  font-size: 40px;
  }
  .file{
  position: absolute;
  top: 0;
  left: 0;
  width: 140px;
  height: 125px;
  opacity: 0;
  }

 //图片上传预览功能
  var userAgent = navigator.userAgent;//用于判断浏览器类型
  $(".file").change(function () {
  //获取选择图片的对象
  var docObj =$(this)[0];
  var picDiv=$(this).parents(".picDiv");
  //得到所有的图片文件
  var fileList = docObj.files;
  //循环遍历
  for (var i = 0; i < fileList.length; i++) {
  //动态添加html元素
  var picHtml="<div class='imageDiv' > <img id='img" + fileList[i].name + "' /> <div class='cover'><i class='delbtn'>删除</i></div></div>"
  picDiv.prepend(picHtml);
  //获取图片imgi的对象
  var imgObjPreview = document.getElementById("img"+fileList[i].name);
  if (fileList && fileList[i]) {
   //图片属性
   imgObjPreview.style.display = 'block';
   imgObjPreview.style.width = '140px';
   imgObjPreview.style.height = '125px';
   //imgObjPreview.src = docObj.files[0].getAsDataURL();
   //火狐7以上版本不能用上面的getAsDataURL()方式获取，需要以下方式
   if(userAgent.indexOf('MSIE') == -1){//IE以外浏览器
   imgObjPreview.src = window.URL.createObjectURL(docObj.files[i]); //获取上传图片文件的物理路径
   }else{//IE浏览器
   if(docObj.value.indexOf(",")!=-1){
    var srcArr=docObj.value.split(",");
    imgObjPreview.src = srcArr[i];
   }else{
    imgObjPreview.src = docObj.value;
   }
   }
  }
  }
 });
 /*删除功能*/
 $(document).on("click",".delbtn",function () {
  console.log("click")
  var _this=$(this);
  _this.parents(".imageDiv").remove();
 });

 $(".file").change(function () {
  //获取选择图片的对象
  var docObj =$(this)[0];
  var picDiv=$(this).parents(".picDiv");
  //得到所有的图片文件
  var fileList = docObj.files;
  for(var i=0;i<fileList.length;i++){
   var fr = new FileReader();
   var single=fileList[i];
  fr.onload = function(single) {
   var picHtml = "<div class='imageDiv' > <img id='img" + single.name + "' src='" + single.target.result + "' /> <div class='cover'><i class='delbtn'>删除</i></div></div>"
   picDiv.prepend(picHtml);
   var imgObjPreview = document.getElementById("img" + single.name);
   //图片属性
   imgObjPreview.style.display = 'block';
   imgObjPreview.style.width = '140px';
   imgObjPreview.style.height = '125px';
  };
  fr.readAsDataURL(single);
  }
 });
 /*删除功能*/
 $(document).on("click",".delbtn",function () {
  console.log("click")
  var _this=$(this);
  _this.parents(".imageDiv").remove();
 });

 //图片上传预览功能
  var userAgent = navigator.userAgent;//用于判断浏览器类型
 $(".file").change(function () {
  //获取选择图片的对象
  var docObj =$(this)[0];
  var picDiv=$(this).parents(".picDiv");
  //得到所有的图片文件
  var fileList = docObj.files;
  //循环遍历
  for (var i = 0; i < fileList.length; i++) {
  //动态添加html元素
  var picHtml="<div class='imageDiv' > <img id='img" + fileList[i].name + "' /> <div class='cover'><i class='delbtn'>删除</i></div></div>"
  picDiv.prepend(picHtml);
  //获取图片imgi的对象
  var imgObjPreview = document.getElementById("img"+fileList[i].name);
  if (fileList && fileList[i]) {
   //图片属性
   imgObjPreview.style.display = 'block';
   imgObjPreview.style.width = '140px';
   imgObjPreview.style.height = '125px';
   //imgObjPreview.src = docObj.files[0].getAsDataURL();
   //火狐7以上版本不能用上面的getAsDataURL()方式获取，需要以下方式
   if(userAgent.indexOf('MSIE') == -1){//IE以外浏览器
   imgObjPreview.src = window.URL.createObjectURL(docObj.files[i]); //获取上传图片文件的物理路径
   }else{//IE浏览器
   if(docObj.value.indexOf(",")!=-1){
    var srcArr=docObj.value.split(",");
    imgObjPreview.src = srcArr[i];
   }else{
    imgObjPreview.src = docObj.value;
   }
   }
  }
  }
  /*删除功能*/
  $(".delbtn").click(function () {
  var _this=$(this);
  _this.parents(".imageDiv").remove();
 });
 });