微信小程序登录授权、获取用户头像增加样式【完整源码】

• 通过open-data展示用户头像
• 授权页结合https://blog.csdn.net/weidong_y/article/details/79636386而来。
  

<view wx:if="{{canIUse}}">
  <view class='header'>
    <view class="userinfo-avatar">
      <open-data  type="userAvatarUrl"></open-data>
    </view>
  </view>
  <view class='content'>
    <view>申请获取以下权限</view>
    <text>获得您的公开信息(昵称，头像等)</text>
  </view>
  <button class='bottom' type='primary' open-type="getUserInfo" lang="zh_CN" bindgetuserinfo="bindGetUserInfo">
    授权登录
  </button>
</view>
<view wx:else>请升级微信版本</view>

.header {
  position: relative;
  margin: 90rpx 0 90rpx 50rpx;
  width: 650rpx;
  height: 320rpx;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  border-bottom: 1px solid #ccc;
}
.userinfo-avatar {
  overflow:hidden;
  display: block;
  width: 160rpx;
  height: 160rpx;
  margin: 20rpx;
  margin-top: 50rpx;
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 3px 3px 10px rgba(0, 0, 0, 0.2);
}
.content {
    margin-left: 50rpx;
    margin-bottom: 90rpx;
}
.content text {
    display: block;
    color: #9d9d9d;
    margin-top: 40rpx;
}
.bottom {
    border-radius: 80rpx;
    margin: 70rpx 50rpx;
    font-size: 35rpx;
}

Page({
  data: {
    //判断小程序的API，回调，参数，组件等是否在当前版本可用。
    canIUse: wx.canIUse('button.open-type.getUserInfo')
  },
  onLoad: function () {
    var that = this;
    // 查看是否授权
    wx.getSetting({
      success: function (res) {
        if (res.authSetting['scope.userInfo']) {
          wx.getUserInfo({
            success: function (res) {
              //从数据库获取用户信息
              //that.queryUsreInfo();
              //用户已经授权过
              wx.switchTab({
                url: '/pages/member/login/login'
              })
            }
          });
        }
      }
    })
  },
  bindGetUserInfo: function (e) {
    if (e.detail.userInfo) {
      //用户按了允许授权按钮
      var that = this;
      //授权成功后，跳转进入小程序首页
      wx.switchTab({
        url: '/pages/member/index/index'
      })
    } else {
      //用户按了拒绝按钮
      wx.showModal({
        title: '警告',
        content: '您点击了拒绝授权，将无法进入小程序，请授权之后再进入!',
        showCancel: false,
        confirmText: '返回授权',
        success: function (res) {
          if (res.confirm) {
            console.log('用户点击了“返回授权”')
          }
        }
      })
    }
  },
})