【Kevin Learn 小程序】--＞跑马灯效果

效果图

代码

1.app.js

//app.js
App({
  onLaunch: function () {
    console.log('App Launch')
  },
  onShow: function () {
    console.log('App Show')
  },
  onHide: function () {
    console.log('App Hide')
  },
  globalData: {
    hasLogin: false
  }
})

2. app.json

{
  "pages": [
    "pages/marquee/marquee",
    "pages/logs/logs"
  ],
  "window": {
    "backgroundTextStyle": "light",
    "navigationBarBackgroundColor": "#fff",
    "navigationBarTitleText": "WeChat",
    "navigationBarTextStyle": "black"
  },
  "style": "v2",
  "sitemapLocation": "sitemap.json"
}

3. marquee.js

Page({
  data: {
    text: '这是一条会滚动的文字滚来滚去的文字跑马灯，哈哈哈哈哈哈哈哈',
    marqueePace: 1,//滚动速度
    marqueeDistance: 0,//初始滚动距离
    marqueeDistance2: 0,
    marquee2copy_status: false,
    marquee2_margin: 60,
    size: 14,
    orientation: 'left',//滚动方向
    interval: 20 // 时间间隔
  },
  onShow: function () {
    // 页面显示
    var vm = this;
    var length = vm.data.text.length * vm.data.size;//文字长度
    var windowWidth = wx.getSystemInfoSync().windowWidth;// 屏幕宽度
    vm.setData({
      length: length,
      windowWidth: windowWidth,
      marquee2_margin: length