uniapp小程序多图上传

	if (_self.needUploadImgs.length == 0) {} else {
					uni.showLoading({
						title: "图片上传中"
					})
					for (var i = 0; i < _self.needUploadImgs.length; i++) {
						uni.uploadFile({
							url: apis.ceshi + '/operation/patrol/upload2',
							filePath: _self.needUploadImgs[i],
							fileType: "image",
							name: "upfile",
							formData: {
								"pointId": _self.pointId,
								"patrolId": _self.patrolId
							},
							header: {
								'token': _self.uerInfo.token //自定义请求头信息
							},
							success: function(res) {
								console.log("----", res);
								console.log("----1", i);
								console.log("----2", _self.needUploadImgs.length);
								
								if ( _self.needUploadImgs.length==i ) {
									uni.hideLoading();
									uni.showToast({
										title: "图片上传成功",
										duration: 3000,
										icon: 'none'
									})
								}
							},
							fail: err => {
								uni.showToast({
									title: "图片上传失败:" + err,
									duration: 3000,
									icon: 'none'
								})
								console.log(err);
							}
						});
					}

 记得让后端根据ID获取拼接