参考官方文档：点击跳转
具体实现：
wxml：
<button class="avatarBtn" open-type="chooseAvatar" @chooseavatar="onChooseAvatar"><image class="avatar" :src="avatarUrl"></image>
</button>js:
const defaultAvatarUrl =
'https://mmbiz.qpic.cn/mmbiz/icTdbqWNOwNRna42FI242Lcia07jQodd2FJGIYQfG0LAJGFxM4FbnQP6yfMxBgJ0F3YRqJCJ1aPAK2dQagdusBZg/0'
const avatarUrl = ref(defaultAvatarUrl)
//图片路径容器
const imgInfo = reactive({imgs: ''})// 头像上传事件const onChooseAvatar = (e) => {console.log(e);avatarUrl.value = e.detail.avatarUrl;console.log(e.detail.avatarUrl);uni.uploadFile({url: 'https://xxxx', //仅为示例，非真实的接口地址filePath: e.detail.avatarUrl,name: 'file',formData: {'user': 'test'},success: function(res) {//剥离接口返回路径imgInfo.imgs = JSON.parse(res.data)console.log(imgInfo.imgs.data.url);}});}之后根据注册需求适当调整即可 (〃￣︶￣)人(￣︶￣〃)
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