在父组件引入该组件

<!-- 授权信息 --><auth-mes showModal="{{showModal}}" id='autnMes' bind:onConfirm="onConfirm"></auth-mes>

 子组件详细代码为:

authMes.wxml

<!-- components/authMes/authMes.wxml -->
<van-popup show="{{ showModal }}" round bind:close="closeHandle" custom-class="auth-box" custom-style="width: 84%;z-index:10002;" overlay-style="z-index:10001;"><view class="auth-wrap"><view><view class="tips-tit">提示</view><view class="tips-txt">为提供更好的服务，我们邀请您填写昵称，头像等公开信息</view></view><view class="auth-cont"><view class="auth-itm"><view class="itm-tit">头像</view><view class="avatar-cont"><button class="avatar-btn" open-type="chooseAvatar" bind:chooseavatar="onChooseAvatar"><image class="avatar" src="{{avatarMes.avatarUrl}}" wx:if="{{avatarMes.avatarUrl}}"></image><image class="avatar" src="../../images/common/auth_default.png" wx:if="{{!avatarMes.avatarUrl}}"></image><image class="icon-r" src="../../images/common/icon_arrow_black.png" /></button></view></view><view class="auth-itm"><view class="itm-tit">昵称</view><input class="nick-name" placeholder="点击输入" type="nickname" value="{{avatarMes.nickName}}" bindblur="bindblur" placeholder-class="input-holder"></input></view><view class="auth-itm"><view class="itm-tit">手机号</view><view><button slot="button" plain size="mini" type="" open-type="getPhoneNumber" bindgetphonenumber="getPhone" class="phone-btn"><text wx:if="{{!avatarMes.mobile}}">获取手机号</text><text wx:if="{{avatarMes.mobile}}" style="color:#302e2d;">{{avatarMes.mobile}}</text></button></view></view></view><view class="auth-btn"><view class="btn" catchtap="cancel">取消</view><view class="btn com-btn" catchtap="confirm">确认</view></view></view>
</van-popup>

 authMes.js

// components/authMes/authMes.js
// 获取应用实例
const app = getApp();
const { enums } = require("../../common/config/enums");
Component({/*** 组件的属性列表*/properties: {// 小程序弹窗showModal: {type: Boolean,value: false,},},/*** 组件的初始数据*/data: {avatarMes: {avatarUrl: "",nickName: "",mobile: "",},},/*** 组件的方法列表*/methods: {/** 获取昵称信息 */bindblur(res) {const value = res.detail.value;this.data.avatarMes.nickName = value;},// 拿到头像信息的临时路径onChooseAvatar(e) {const { avatarUrl } = e.detail;console.log('ddd', avatarUrl);this.uploadAva(e.detail.avatarUrl);},uploadAva(tempFilePaths) {var that = this;wx.uploadFile({url: app.siteinfo.apiUrl + '图片上传接口', //需要用HTTPS，同时在微信公众平台后台添加服务器地址filePath: tempFilePaths, //上传的文件本地地址name: "Image", //服务器定义的Key值header: {'content-type': 'multipart/form-data','cookie': wx.getStorageSync('cookie')},formData: {//接口所需的其他上传字段uploadDir: enums.UploadDir.Personal.Value,fileType: enums.FileType.Image.Value,},// 附近数据，这里为路径success: function (res) {wx.hideLoading();if (res.statusCode == 200) {var result = JSON.parse(res.data);if (result.status) {// var imgUrl = [{ name: 'headImgUrl', url: result.data.fileurl }];that.setData({'avatarMes.avatarUrl': result.data.fileurl})} else {app.alert.show(res.errmsg);}} else {app.alert.show(res);}},fail: function (err) {console.log(err);}});},// 输入onChange(e) {let field = 'avatarMes.' + e.currentTarget.dataset.field;this.setData({[field]: e.detail});},// 手机号授权getPhone(mobile) {console.log('mobile.detail', mobile.detail)if (mobile.detail && mobile.detail.code) {let code = mobile.detail.code;app.apis('手机号解码接口', { code: code }).then(res => {if (res.status) {this.setData({'avatarMes.mobile': res.data.Mobile});} else {app.alert.show('获取手机号码失败,请重试!' + res.errmsg);}})} else {app.toast.show(mobile.detail.errMsg);}},//点击遮罩层关闭closeHandle() {this.setData({showModal: false})},// 取消cancel() {this.setData({showModal: false})},// 确认confirm() {this.triggerEvent('onConfirm', { avatar: this.data.avatarMes });},},
})

  authMes.less

.auth-wrap {border-radius: 40rpx;box-sizing: border-box;padding: 24rpx;opacity: 1;background-color: #ffffff;z-index: 100002;.tips-tit {font-family: PingFangSC-Medium;font-size: 32rpx;color: #302e2d;text-align: center;font-weight: 500;}.tips-txt {padding: 40rpx 10rpx;font-size: 28rpx;color: #282b34;letter-spacing: 0;text-align: center;font-weight: 400;}.auth-cont {.auth-itm {background-color: #f6f6f6;border-radius: 20rpx;padding: 0 24rpx;height: 96rpx;margin-bottom: 24rpx;display: flex;align-items: center;justify-content: space-between;.itm-tit {width: 100rpx;font-family: PingFangSC-Regular;font-size: 28rpx;color: #302e2d;}.avatar-cont {width: 18%;.avatar-btn {width: 100%;height: 96rpx;padding: 0!important;box-sizing: content-box !important;background-color: transparent;display: flex;align-items: center;justify-content: space-between;.avatar {width: 56rpx;height: 56rpx;display: inline-block;}&::after {border: none;}}.icon-r {width: 24rpx;height: 24rpx;margin-left: 8rpx;}}.nick-name {text-align: right;font-family: PingFangSC-Regular;font-size: 28rpx;color: #302e2d;}}}.aggre-v {display: flex;align-items: center;font-family: PingFangSC-Regular;font-size: 26rpx;color: #302e2d;font-weight: 400;image {width: 24rpx;height: 24rpx;margin-right: 16rpx;}}.auth-btn {width: 100%;display: grid;grid-template-columns: 1fr 1fr;grid-column-gap: 24rpx;margin: 30rpx 0 20rpx;.btn {font-family: PingFangSC-Medium;font-size: 32rpx;color: #99302f;background-color: #ffffff;border-radius: 20rpx;border: 2rpx solid #99302f;height: 88rpx;line-height: 88rpx;text-align: center;}.com-btn {background-color: #ebd6d7;border-color: #ebd6d7;}}.phone-btn {border: 0;text-align: right;padding: 0;line-height: 1;font-family: PingFangSC-Regular;font-size: 28rpx;color: #99302f;}.fie-lable {font-family: PingFangSC-Regular;font-size: 28rpx;color: #302e2d;}.input-holder {font-family: PingFangSC-Regular;font-size: 28rpx;color: #88868b;}
}

 authMes.json

{"component": true,"usingComponents": {"van-field": "@vant/weapp/field/index","van-popup": "@vant/weapp/popup/index"}
}

app.apis是封装的微信小程序请求接口的方法详细见这篇文章