发送请求，图片上传

 let formObj = new FormData()  //formdata
      formObj.append('images[]', params.imgArr[0])
      // console.log(images[] )
      axios.post(url, formObj , {
        timeout: 10000000,
        headers:{'Content-Type':"application/x-www-form-urlencoded",token:params.token},//设置header
        withCredentials:true,//携带cookie
        onUploadProgress: progressEvent => {
        },
      }).then(response => {
        console.log(response.data.errcode)
        if (response.data.errcode === 0) {
          console.log(response.data)
          resolve(response.data);
          // Vue.prototype.$toast('上传成功')
        } else {
          Toast(response.data.msg)
        }
      }).catch(err => {
        // Indicator.close();
        reject(err);
      })