Vue2.0 实现移动端图片上传功能

</div>
</yd-lightbox>
</li>
</ul>
</div>

2.JS代码块

tips：此处的提示弹窗调用的Y-DUI的提示框，可以改成自己的提示框。

<script>
 export default {
  name: "Feedback",
  data() {
   return {
    showFace: false,
    imgList: [],
    size: 0,
    limit:6, //限制图片上传的数量
    tempImgs:[]   }
  },
  methods: {
   chooseType() {
    document.getElementById('upload_file').click();
   },
   fileChange(el) {
    if (!el.target.files[0].size) return;
    this.fileList(el.target);
    el.target.value = ''
   },
   fileList(fileList) {
    let files = fileList.files;
    for (let i = 0; i < files.length; i++) {
     //判断是否为文件夹
     if (files[i].type != '') {
      this.fileAdd(files[i]);
     } else {
      //文件夹处理
      this.folders(fileList.items[i]);
     }
    }
   },
   //文件夹处理
   folders(files) {
    let _this = this;
    //判断是否为原生file
    if (files.kind) {
     files = files.webkitGetAsEntry();
    }
    files.createReader().readEntries(function (file) {
     for (let i = 0; i < file.length; i++) {
      if (file[i].isFile) {
       _this.foldersAdd(file[i]);
      } else {
       _this.folders(file[i]);
      }
     }
    });
   },
   foldersAdd(entry) {
    let _this = this;
    entry.file(function (file) {
     _this.fileAdd(file)
    })
   },
   fileAdd(file) {
    if (this.limit !== undefined) this.limit--;
    if (this.limit !== undefined && this.limit < 0) return;
    //总大小
    this.size = this.size + file.size;
    //判断是否为图片文件
    if (file.type.indexOf('image') == -1) {
     this.$dialog.toast({mes: '请选择图片文件'});
    } else {
     let reader = new FileReader();
     let image = new Image();
     let _this = this;
     reader.readAsDataURL(file);
     reader.onload = function () {
      file.src = this.result;
      image.onload = function(){
       let width = image.width;
       let height = image.height;
       file.width = width;
       file.height = height;
       _this.imgList.push({
        file
       });
       console.log( _this.imgList);
      };
      image.src= file.src;
     }
    }
   },
   delImg(index) {
    this.size = this.size - this.imgList[index].file.size;//总大小
    this.imgList.splice(index, 1);
    if (this.limit !== undefined) this.limit = 6-this.imgList.length;
   },
   displayImg() {
   }
  }
 }
</script>