144 lines
4.6 KiB
JavaScript
144 lines
4.6 KiB
JavaScript
// pages/institutions/institutionslist.js
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const app = getApp()
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var utils = require('../../utils/util.js')
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Page({
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/**
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* 页面的初始数据
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*/
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data: {
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CustomBar: app.globalData.CustomBar,
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institutionsList: [],
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countTime: 2000, //延迟搜索 时间
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searchWaiting: false, //是否等待搜索倒计时中,
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searchKey: '',
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mapLocs: [],
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currentPage: 1,
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totalSize: 0
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},
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/**
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* 生命周期函数--监听页面加载
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*/
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onLoad: function (options) {
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this.getInstitutionsList('')
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},
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doLoadMore() {
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var _self = this
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if (_self.data.totalSize > _self.data.institutionsList.length) {
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_self.setData({
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currentPage: ++_self.data.currentPage
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})
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_self.getInstitutionsList(_self.data.searchKey)
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} else {
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wx.showToast({
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title: '无更多数据了',
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icon: 'none'
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})
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}
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},
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doNavigation(e) {
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var item = e.currentTarget.dataset.item
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if (item.institutionX == '' || item.institutionY == '') {
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wx.showToast({
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title: '机构坐标有误',
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icon: 'error'
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})
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} else {
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var locs = utils.bdMapToQQMap(item.institutionX, item.institutionY)
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var lng = locs[0]
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var lat = locs[1]
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wx.openLocation({
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latitude: Number(lat),
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longitude: Number(lng),
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})
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}
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},
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showDetail(e) {
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var item = e.currentTarget.dataset.item
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wx.navigateTo({
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url: './institutionsdetail?id=' + item.institutionId,
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})
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},
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doSearch(e) {
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this.setData({
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countTime: 2000,
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searchKey: e.detail.value,
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})
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//是否处于搜索倒计时中
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if (!this.data.searchWaiting) {
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this.timer();
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}
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},
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getInstitutionsList(key) {
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var _self = this
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app.restAjax.get(app.restAjax.path(app.apis.getInstitutionList, [app.baseUrls.cardUrl]), {
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page: _self.data.currentPage,
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keywords: key
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}, {},
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(code, data) => {
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wx.hideLoading({})
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if (code == 200) {
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for (var i = 0; i < data.rows.length; i++) {
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var item = data.rows[i]
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if (item.institutionImage.length > 0) {
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var photos = item.institutionImage.split(',')
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data.rows[i].showPhoto = app.baseUrls.cardUrl + app.baseUrls.baseImgUrl + photos[0]
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} else {
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data.rows[i].showPhoto = '../../images/icons/institutions_default.jpeg'
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}
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}
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if (_self.data.currentPage > 1) {
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if (data.rows.length > 0) {
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_self.data.institutionsList = _self.data.institutionsList.concat(data.rows)
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}
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} else {
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_self.data.institutionsList = data.rows
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}
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_self.setData({
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institutionsList: _self.data.institutionsList,
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totalSize: data.total
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})
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}
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}, (code, err) => {
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wx.hideLoading({})
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})
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},
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//
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/**
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* 延迟搜索
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*/
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timer() {
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var _self = this;
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this.setData({
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currentPage: 1,
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totalSize: 0,
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searchWaiting: true
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})
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let promise = new Promise((resolve, reject) => {
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let setTimer = setInterval(
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() => {
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console.log('搜索倒计时: ' + _self.data.countTime);
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_self.setData({
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countTime: _self.data.countTime - 1000
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})
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if (_self.data.countTime <= 0) {
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console.log('开始搜索: ' + _self.data.searchKey);
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_self.setData({
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countTime: 2000,
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searchWaiting: false,
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})
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resolve(setTimer)
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}
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}, 1000)
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})
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promise.then((setTimer) => {
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wx.showLoading({
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title: '搜索中...',
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})
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_self.getInstitutionsList(_self.data.searchKey)
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clearInterval(setTimer) //清除计时器
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})
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},
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}) |