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86 lines
3.3 KiB
86 lines
3.3 KiB
const md5 = require('./md5.min.js')
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const key = 'BDFBZ-NXGWR-EUSWI-WGQGL-V7GSK-VSBDJ'
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const sk = 'slBA3zFw9fTSjEbZKJ9hGH6DinYFqYFS'
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function request(params, url){
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let keys = Object.keys(params).sort()
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let query = []
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keys.forEach(key => {
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query.push(key + '=' + params[key])
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})
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query = url + query.join('&')
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let sign = md5(query + sk)
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return new Promise(function (resolve, reject) {
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wx.request({
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url: `https://apis.map.qq.com${query}&sig=${sign}`,
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success: res => {
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if(res.statusCode == 200 && res.data && res.data.status == 0){
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resolve(res.data)
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} else {
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reject('数据错误')
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}
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},
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fail: err => {
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reject('网络异常')
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}
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})
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})
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}
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function geocoder(latitude, longitude){
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let params = { location: `${latitude},${longitude}`, key }
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return request(params, '/ws/geocoder/v1?')
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}
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/**
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* @param {*} keyword 用户输入的关键词（希望获取后续提示的关键词）必填
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* @param {*} region 限制城市范围：根据城市名称限制地域范围， 如，仅获取“广州市”范围内的提示内容
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* @param {*} latitude 定位坐标，传入后，若用户搜索关键词为类别词（如酒店、餐馆时），与此坐标距离近的地点将靠前显示，格式： location=lat,lng
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* @param {*} longitude 定位坐标，传入后，若用户搜索关键词为类别词（如酒店、餐馆时），与此坐标距离近的地点将靠前显示，格式： location=lat,lng
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*/
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function suggestion(keyword, region, location){
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let params = { keyword, region, location: `${location.latitude},${location.longitude}`, region_fix: 1, page_size: 20, get_subpois: 0, key }
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return request(params, '/ws/place/v1/suggestion?')
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}
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//https://apis.map.qq.com/ws/place/v1/explore
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function explore(location, radius, num, size){
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let params = { boundary: `nearby(${location.latitude},${location.longitude},${radius})`, page_index: num, page_size: size, key }
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return request(params, '/ws/place/v1/explore?')
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}
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//骑行（bicycling）路线规划
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function bicycling(from, to){
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let params = { from: `${from.latitude},${from.longitude}`, to: `${to.latitude},${to.longitude}`, key }
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return request(params, '/ws/direction/v1/bicycling?')
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}
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// 步行（walking）路线规划
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function walking(from, to){
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let params = { from: `${from.latitude},${from.longitude}`, to: `${to.latitude},${to.longitude}`, key }
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return request(params, '/ws/direction/v1/walking?')
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}
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// 驾车（driving）路线规划;waypoints:途经点，格式：lat1,lng1;lat2,lng2;… 最大支持16个>>waypoints=39.951004,116.571980
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function driving(from, to, waypoints){
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let params = { from: `${from.latitude},${from.longitude}`, to: `${to.latitude},${to.longitude}`, key }
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if(waypoints && Array.isArray(waypoints)){
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var points = ''
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for (let index = 0; index < waypoints.length; index++) {
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if(index == 0){
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points += waypoints[index].latitude + ',' + waypoints[index].longitude
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} else {
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points += ';' + waypoints[index].latitude + ',' + waypoints[index].longitude
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}
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params.waypoints = points
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}
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}
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return request(params, '/ws/direction/v1/driving?')
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}
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module.exports = {
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key: key,
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geocoder: geocoder,
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suggestion: suggestion,
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explore: explore,
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bicycling: bicycling,
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walking: walking,
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driving: driving
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}
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