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简介:微信是腾讯公司于2011年1月21日推出的一款智能终端提供即时通信服务应用程序;
小程序是微信的一种新的开发能力,具有出色用户体验,可以在微信内被便捷的获取和传播
特征:无需安装, 触手可及, 用完即走, 无须卸载
应用场景特征:简单的业务逻辑 , 低频度的使用场景
注册小程序账号→开发环境准备→微信开发工具下载及安装(开发者工具)→创建第一个小程序项目→运行及发布小程序
微信公众平台官网(mp.weixin.qq.com)
5.调试区:帮助开发者进行代码调试及排查有问题的区域。
- // index.js
- const defaultAvatarUrl = 'https://mmbiz.qpic.cn/mmbiz/icTdbqWNOwNRna42FI242Lcia07jQodd2FJGIYQfG0LAJGFxM4FbnQP6yfMxBgJ0F3YRqJCJ1aPAK2dQagdusBZg/0'
-
- Page({
- data: {
- motto: 'Hello World',
- userInfo: {
- avatarUrl: defaultAvatarUrl,
- nickName: '',
- },
- hasUserInfo: false,
- canIUseGetUserProfile: wx.canIUse('getUserProfile'),
- canIUseNicknameComp: wx.canIUse('input.type.nickname'),
- },
- bindViewTap() {
- wx.navigateTo({
- url: '../logs/logs'
- })
- },
- onChooseAvatar(e) {
- const { avatarUrl } = e.detail
- const { nickName } = this.data.userInfo
- this.setData({
- "userInfo.avatarUrl": avatarUrl,
- hasUserInfo: nickName && avatarUrl && avatarUrl !== defaultAvatarUrl,
- })
- },
- onInputChange(e) {
- const nickName = e.detail.value
- const { avatarUrl } = this.data.userInfo
- this.setData({
- "userInfo.nickName": nickName,
- hasUserInfo: nickName && avatarUrl && avatarUrl !== defaultAvatarUrl,
- })
- },
- getUserProfile(e) {
- // 推荐使用wx.getUserProfile获取用户信息,开发者每次通过该接口获取用户个人信息均需用户确认,开发者妥善保管用户快速填写的头像昵称,避免重复弹窗
- wx.getUserProfile({
- desc: '展示用户信息', // 声明获取用户个人信息后的用途,后续会展示在弹窗中,请谨慎填写
- success: (res) => {
- console.log(res)
- this.setData({
- userInfo: res.userInfo,
- hasUserInfo: true
- })
- }
- })
- },
- })
- {
- "usingComponents": {
- }
- }
- <!--index.wxml-->
- <scroll-view class="scrollarea" scroll-y type="list">
- <view class="container">
- <view class="userinfo">
- <block wx:if="{{canIUseNicknameComp && !hasUserInfo}}">
- <button class="avatar-wrapper" open-type="chooseAvatar" bind:chooseavatar="onChooseAvatar">
- <image class="avatar" src="{{userInfo.avatarUrl}}"></image>
- </button>
- <view class="nickname-wrapper">
- <text class="nickname-label">昵称</text>
- <input type="nickname" class="nickname-input" placeholder="请输入昵称" bind:change="onInputChange" />
- </view>
- </block>
- <block wx:elif="{{!hasUserInfo}}">
- <button wx:if="{{canIUseGetUserProfile}}" bindtap="getUserProfile"> 获取头像昵称 </button>
- <view wx:else> 请使用2.10.4及以上版本基础库 </view>
- </block>
- <block wx:else>
- <image bindtap="bindViewTap" class="userinfo-avatar" src="{{userInfo.avatarUrl}}" mode="cover"></image>
- <text class="userinfo-nickname">{{userInfo.nickName}}</text>
- </block>
- </view>
- <view class="usermotto">
- <text class="user-motto">{{motto}}</text>
- </view>
- </view>
- </scroll-view>
- /**index.wxss**/
- page {
- height: 100vh;
- display: flex;
- flex-direction: column;
- }
- .scrollarea {
- flex: 1;
- overflow-y: hidden;
- }
-
- .userinfo {
- display: flex;
- flex-direction: column;
- align-items: center;
- color: #aaa;
- width: 80%;
- }
-
- .userinfo-avatar {
- overflow: hidden;
- width: 128rpx;
- height: 128rpx;
- margin: 20rpx;
- border-radius: 50%;
- }
-
- .usermotto {
- margin-top: 200px;
- }
-
- .avatar-wrapper {
- padding: 0;
- width: 56px !important;
- border-radius: 8px;
- margin-top: 40px;
- margin-bottom: 40px;
- }
-
- .avatar {
- display: block;
- width: 56px;
- height: 56px;
- }
-
- .nickname-wrapper {
- display: flex;
- width: 100%;
- padding: 16px;
- box-sizing: border-box;
- border-top: .5px solid rgba(0, 0, 0, 0.1);
- border-bottom: .5px solid rgba(0, 0, 0, 0.1);
- color: black;
- }
-
- .nickname-label {
- width: 105px;
- }
-
- .nickname-input {
- flex: 1;
- }
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