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index.js
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index.js
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const queryString = function (queryObj = {}) {
let propStr = []
for (let prop in queryObj) {
propStr.push(prop + '=' + queryObj[prop])
}
let str = propStr.join('&')
return str ? '?' + str : ''
}
const parseQueryString = function(routerStr){
let optArr = options.split("?")
let path = optArr[0]
let query = {}
if(optArr[1]){
let keyVals = optArr[1].split("&")
keyVals.forEach(param => {
let props = param.split("=")
query[props[0]]= props[1]
});
}
return {
path: path,
query:query
}
}
function assembleLink(options){
if (typeof options == "string") {
options = parseQueryString(options)
}
let {path, query} = options
let url = path + queryString(query)
return url
}
class Router {
constructor() {
this._query = {}
this._app = getApp()
this._pages = getCurrentPages()
this.$deepth= this._pages.length;
if (this._pages.length > 0) {
this.$page = this._pages[this._pages.length - 1]
} else {
this.$page = {}
}
let url = this.$page.route
if (url.indexOf("/") != 0) {
url = '/' + url
}
this.$route = {
query: Object.assign({}, this.$page.options),
path: url
}
this.$route['fullPath'] = this.toString()
}
/**
* 生成小程序的url
*/
toString() {
let {path, query} = this.$route
return path + queryString(query)
}
push(options = {}) {
return wx.navigateTo({
url:assembleLink(options)
})
}
replace(options = {}) {
return wx.redirectTo({
url:assembleLink(options)
})
}
back(pageNum = 1) {
return wx.navigateBack({
delta: pageNum
})
}
switchTab(options) {
return wx.switchTab({
url:assembleLink(options)
})
}
reLanunch(options) {
let url ;
if (typeof options == "string") {
url= options
}else{
let {path, query} = options
url = path + queryString(query)
}
return wx.reLaunch({
url:assembleLink(options),
})
}
update(query = {}) {
this.$route.query = Object.assign({}, this.$route.query, query)
}
}
module.exports= {
Router : Router,
RouterCreate:function(){
this.$router = new Router()
this.$route = this.$router.$route
}
}