uniapp上传图片时（可选微信头像、相册、拍照）

参考文献：微信小程序登录------头像_onchooseavatar-CSDN博客

<button open-type="chooseAvatar" @chooseavatar="onChooseAvatar"> </button>

			onChooseAvatar(e) {
			    uni.showLoading({
			        title: '上传中...',
			        mask: true
			    });
			    uni.uploadFile({
			        url: baseUrl.url + "/xihefile/user/file/upload",
			        filePath: e.detail.avatarUrl,
			        name: "file",
			        formData: {},
			        success: (uploadFileRes) => {
			            uni.hideLoading();
			            uni.setStorageSync("avatarUrl", e.detail.avatarUrl);
			            console.log(uploadFileRes, '');
			            let url = JSON.parse(uploadFileRes.data).data;
			            this.avatarUrl = e.detail.avatarUrl;
			            setTimeout(() => {
			               console.log('this.baseURL前缀',this.baseURL)
							// this.actaimg=`${this.baseURL}${url}`  
							console.log('我是转化后的头像',this.actaimg)
							 this.weAvatar = url;
			            })
			            console.log(e.detail.avatarUrl, '成功');
			        },
			        fail: (err) => {
			            uni.hideLoading();
			            uni.showToast({
			                title: '上传失败，请重试',
			                icon: 'none'
			            });
			            console.log(err, '失败');
			        }
			    });
			}