微信小程序开发实例详解

//index.js
//获取应用实例
var app = getApp()
Page({
 data: {
  motto: 'Hello World',
  userInfo: {name:'汗青',
        desc:"前端的春天来了！\n 前端要烂大街了！！",
     avatarUrl:"http://img2.3lian.com/2014/gif/10/9/25.jpg"}
 },
 //事件处理函数
 bindViewTap: function() {
  wx.navigateTo({
   url: '../logs/logs'
  })
 },
 onLoad: function () {
  console.log('onLoad')
  var that = this
   //调用应用实例的方法获取全局数据
  app.getUserInfo(function(userInfo){
   //更新数据
   that.setData({
    userInfo:userInfo
   })
   that.update()
  })
 }
})

<!--index.wxml-->
<view class="container">
 <view bindtap="bindViewTap" class="userinfo">
  <image class="userinfo-avatar" src="{{userInfo.avatarUrl}}" background-size="cover"></image>
  <text class="userinfo-name">{{userInfo.name}}</text>
  <text class="userinfo-desc">{{userInfo.desc}}</text>

 </view>
 <view class="usermotto">
  <text class="user-motto">{{motto}}</text>
 </view>
</view>

/**index.wxss**/
.userinfo {
 display: flex;
 flex-direction: column;
 align-items: center;
}

.userinfo-avatar {
 width: 128rpx;
 height: 128rpx;
 margin: 20rpx;
 border-radius: 50%;
}

.userinfo-name {
 color: #aaa;
 font-size: 30rpx;
 margin: 30rpx;
}

.userinfo-desc {
 color: #f00;
 font-size: 50rpx;
 line-height: 70rpx;
}

.usermotto {
 margin-top: 200px;
}