uniapp：微信小程序上传头像

<view class="logo df-aic-jucen"> 	<button class="btn-normal" open-type="chooseAvatar" @chooseavatar="onChooseAvatar"></button> 	<image :src="userinfo.head_portrait" mode="" class="img1"></image> </view> 

onChooseAvatar(e){ 	console.log(e); 	this.$uploadImage('/api/uploadImage', e.detail.avatarUrl).then(res => { 		console.log('2',res); 		if (res.code == 200) { 			this.new_avatar_url = res.data.path 			this.$http.post('/api/editUserInfo',{ 				name:this.userinfo.name, 				head_portrait:this.new_avatar_url ? this.new_avatar_url : this.userinfo.head_portrait 			}).then(res=>{ 				if(res.code == 200){ 					this.$toast('修改成功') 				} 			}) 		} 	}) },