oss 上传

post 上传方式

var formData = new FormData();
that.$ajax({
        url:"sign",//获取标签信息
      }).then(res=>{
        console.log(res);
        if(res.data.code == "0"){
          that.resp = res.data.data;
          formData.append('OSSAccessKeyId',that.resp.accessId);
          formData.append('policy', that.resp.encodePolicy);
          formData.append('Signature', that.resp.signature);
          formData.append('success_action_status', '200');
          formData.append('expire', that.resp.expire);
          formData.append('endpoint', 'oss-cn-beijing.aliyuncs.com');
          formData.append('callbackbody', that.resp.callbaclBody);
          let name = file.name;
          formData.append("key",name);
          formData.append("file",file);
          console.log(formData.get("OSSAccessKeyId"));
          that.$ajax({
            method:"POST",
            url:that.resp.host,
            headers:{
              'Content-Type': 'multipart/form-data',
            },
            data: formData
          }).then(res=>{
            console.log(res);
            if(that.imgIndex == 0){
              that.articleData.reprintProof = name;
              that.reprintName = name;
            }else if (that.imgIndex == 1) {
              that.articleData.img = name;
            }else{
              that.smallPhoto = "https://cbcnag.aliyuncs.com/"+name;
            }

            formData = new FormData()
          })
        }
      })