index.js
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// components/book/tabBar/tabBar.js
import util from '../utils/util'
import PubSub from '../utils/PubSub'
Component({
/**
* 组件的属性列表
*/
properties: {},
/**
* 组件的初始数据
*/
data: {
url:'pages/reserve/search',
bottom:0,
},
pageLifetimes:{
show(){
console.log('custom-tab-bar.pageLifetimes.show')
//this.setStatus()
},
hide(){
console.log('custom-tab-bar.pageLifetimes.hide')
//this.setStatus()
},
},
lifetimes: {
ready(){
console.log('custom-tab-bar.ready')
},
attached: function() {
// 在组件实例进入页面节点树时执行
const res = wx.getSystemInfoSync();
let ratio=750/res.windowWidth;
this.setData({
bottom:(res.windowHeight-res.safeArea.bottom)*ratio,
})
console.log('custom-tab-bar.attached')
PubSub.on('custom-tab-bar',()=>{
this.setStatus()
})
},
detached: function() {
// 在组件实例被从页面节点树移除时执行
console.log('custom-tab-bar.detached')
},
moved:function() {
console.log('custom-tab-bar.moved')
PubSub.off('custom-tab-bar');
},
},
/**
* 组件的方法列表
*/
methods: {
setStatus(){
let pages = getCurrentPages();
let p = pages[pages.length - 1];
console.log('custom-tab-bar.setStatus',p.route)
this.setData({
url:p.route,
})
},
redirectTo(e){
let url= util.attr(e, 'url');
wx.switchTab({
url: '/'+url,
})
},
}
})