示例：

代码：

// =====html代码=====
<el-form-item label prop>
   <el-upload
    ref="uploadImg"
    action="#"
    list-type="picture-card"
    :auto-upload="false"
    :on-remove="handleRemoveImg.bind(null,{'index':index,'data':item})"
    :on-exceed="imgNumberImg"
    :on-change="changeFileImg.bind(null,{'index':index,'data':item})"
    :limit="1"
    :file-list="fileListImg[index]"
    >
    <i class="el-icon-plus"></i>
    </el-upload>
   </el-form-item>



//=====js代码=====

// 上传图片
    changeFileImg(obj, file, fileList) {
      let that = this;
      let index = obj.index;
      let image = new Image();
      image.src = file.url;
      image.onload = function() {
        let base64 = that.getBase64Image(image);
        that.form.introductions[index].image.url = base64;
      };
    },
    // 删除已经上传的图片
    handleRemoveImg(obj, file, fileList) {
      let index = obj.index;
      this.form.introductions[index].image.url = "";
    },
    // 上传图片超出个数限制时的钩子
    imgNumberImg() {
      this.$message.error("最多添加1张图片");
    },

前端进阶精选：点此去