pyt
2025-03-04 6fbfc398aceff7dcedebf9cc723718908be975f3
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<template>
    <view class="content">
        <view slot="left" @click="back">
            <image src="/static/location/back.png" class="w-19 h-35" mode=""></image>
        </view>
        <view class="" id="container">
 
        </view>
        <view class=" main">
            <view class="searchMain  mb-35 mt-38">
                <view class="search fs-27 ">
                    <text class="mr-35 ml-50">{{ city }}</text>
                    <image class="w-17 h-8 mr-35" src="/static/location/toleft.png" mode=""></image>
                    <image class="w-31 h-31 mr-13" src="/static/location/search.png" mode=""></image>
                    <input class="flex1" v-model="keyword" placeholder="搜索小区/写字楼等"
                        placeholder-style="font-size:27rpx"></input>
                    <view class="sure" @click="searchLocation">
                        确定
                    </view>
                </view>
 
            </view>
            <view class="card" @click="changeAdr(item.id,item)" :class="item.id ==uid ?'activecard':''"
                v-for="item in locationList" :key="item.id">
                <text>{{item.title || item.name}}</text>
                <text class="font-w500 fs-23 mt-25"
                    style="color: rgba(0, 0, 0, 0.6);">{{item.address || item.name}}</text>
 
            </view>
        </view>
 
    </view>
</template>
 
<script>
    import {
        searchLocation
    } from './service'
    export default {
        data() {
            return {
                latitude: 39.909,
                longitude: 116.39742,
                map: null,
                uid: 0,
                keyword: '',
                locationList: [],
                city: '攀枝花市',
                markers: [],
            };
        },
        methods: {
             outOfChina(lng, lat) {
                return (lng < 72.004 || lng > 137.8347) || (lat < 0.8293 || lat > 55.8271);
            },
            
            // 纬度转换函数
             transformLat(x, y) {
                let ret = -100.0 + 2.0 * x + 3.0 * y + 0.2 * y * y + 0.1 * x * y + 0.2 * Math.sqrt(Math.abs(x));
                ret += (20.0 * Math.sin(6.0 * x * Math.PI) + 20.0 * Math.sin(2.0 * x * Math.PI)) * 2.0 / 3.0;
                ret += (20.0 * Math.sin(y * Math.PI) + 40.0 * Math.sin(y / 3.0 * Math.PI)) * 2.0 / 3.0;
                ret += (160.0 * Math.sin(y / 12.0 * Math.PI) + 320 * Math.sin(y * Math.PI / 30.0)) * 2.0 / 3.0;
                return ret;
            },
            
            // 经度转换函数
             transformLon(x, y) {
                let ret = 300.0 + x + 2.0 * y + 0.1 * x * x + 0.1 * x * y + 0.1 * Math.sqrt(Math.abs(x));
                ret += (20.0 * Math.sin(6.0 * x * Math.PI) + 20.0 * Math.sin(2.0 * x * Math.PI)) * 2.0 / 3.0;
                ret += (20.0 * Math.sin(x * Math.PI) + 40.0 * Math.sin(x / 3.0 * Math.PI)) * 2.0 / 3.0;
                ret += (150.0 * Math.sin(x / 12.0 * Math.PI) + 300.0 * Math.sin(x / 30.0 * Math.PI)) * 2.0 / 3.0;
                return ret;
            },
            
            // WGS - 84 转 GCJ - 02
             wgs84ToGcj02(lng, lat) {
                if (this.outOfChina(lng, lat)) {
                    return [lng, lat];
                }
                let dLat = this.transformLat(lng - 105.0, lat - 35.0);
                let dLng = this.transformLon(lng - 105.0, lat - 35.0);
                let radLat = lat / 180.0 * Math.PI;
                let magic = Math.sin(radLat);
                magic = 1 - 0.00669342162296594323 * magic * magic;
                let sqrtMagic = Math.sqrt(magic);
                dLat = (dLat * 180.0) / ((6378245.0 / (1 - magic)) * Math.cos(radLat) * Math.PI);
                dLng = (dLng * 180.0) / (6378245.0 / sqrtMagic * Math.cos(radLat) * Math.PI);
                let mgLat = lat + dLat;
                let mgLng = lng + dLng;
                return [mgLng, mgLat];
            },
            
            // GCJ - 02 转 BD - 09
             gcj02ToBd09(lng, lat) {
                let x = lng;
                let y = lat;
                let z = Math.sqrt(x * x + y * y) + 0.00002 * Math.sin(y * 3000.0 * Math.PI / 180.0);
                let theta = Math.atan2(y, x) + 0.000003 * Math.cos(x * 3000.0 * Math.PI / 180.0);
                let bdLng = z * Math.cos(theta) + 0.0065;
                let bdLat = z * Math.sin(theta) + 0.006;
                return [bdLng, bdLat];
            },
            clearMarkers() {
                // 清除所有标点
                this.markers.forEach((marker) => {
                    this.map.removeOverlay(marker);
                });
                this.markers = []; // 清空存储标点的数组
            },
            back() {
                uni.navigateBack()
            },
 
            changeAdr(value, addr) {
                this.uid = value
                const pages = getCurrentPages()
                let prevPage = pages[pages.length - 2];
 
                if (addr.point) {
                    prevPage.latitude = addr.point.lat
                    prevPage.longitude = addr.point.lng
                }
                if (addr.location) {
                    prevPage.latitude = addr.location.lat
                    prevPage.longitude = addr.location.lng
                }
                prevPage.location = addr.address || addr.name || addr.title
                setTimeout(() => {
                    uni.navigateBack()
                }, 200)
            },
            // 搜索地点
            searchLocation() {
                if (!this.keyword) return;
                searchLocation({
                    query: this.keyword,
                    location: `${this.latitude},${this.longitude }`,
                }).then(res => {
                    if (res.code == 200) {
                        this.searchResults = res.data;
                        if (res.data.length > 0) {
                            this.latitude = res.data[0].location.lat
                            this.longitude = res.data[0].location.lng
                        }
                        this.locationList = res.data.map((result, index) => {
                            result.id = index + 1
                            return result
                        });
 
                    }
                })
                return
                uni.request({
                    url: `https://api.map.baidu.com/place/v2/search`,
                    method: 'GET',
                    data: {
                        query: this.keyword,
                        location: `${this.latitude},${this.longitude }`,
                        radius: 10000, // 搜索半径,单位:米
                        output: 'json',
                        ak: '3mHKIXMArjgIkgADzOlTYp4XssNSNkwr' // 替换为你自己的 AK
                    },
                    success: (res) => {
 
                        if (res.data.status === 0) {
                            this.searchResults = res.data.results;
                            this.latitude = res.data.results[0].location.lat
                            this.longitude = res.data.results[0].location.lng
                            this.locationList = res.data.results.map((result, index) => {
 
                                result.id = index + 1
 
                                return result
                            });
                        }
                    },
                    fail: (err) => {
                        console.error('搜索失败:', err);
                    }
                });
            },
        },
        onLoad() {
 
        },
        onReady() {
            this.map = new BMapGL.Map("container"); // 创建地图实例 
            const that = this
            // uni.getLocation({
            //     type: 'wgs84',
            //     success: (res) => {
            // 判断是否在中国境外
    
 
            navigator.geolocation.getCurrentPosition(success, error, options);
 
            function success(position) {
                const latitude = position.coords.latitude;
                const longitude = position.coords.longitude;
                let arr = that.wgs84ToGcj02(longitude, latitude);
            
                // 转换为 BD - 09
                let arrs = that.gcj02ToBd09(arr[0], arr[1]);
                
                const accuracy = position.coords.accuracy; // 精度,单位米
                //  在这里可以使用获取到的经纬度信息,例如在地图上显示位置等。
                var point = new BMapGL.Point(arrs[0], arrs[1]); // 创建点坐标
                that.map.enableScrollWheelZoom(true);
                that.map.centerAndZoom(point, 12);
                var marker = new BMapGL.Marker(point);
                that.map.addOverlay(marker);
                that.markers.push(marker);
                var myGeo = new BMapGL.Geocoder();
                // 根据坐标得到地址描述    
                myGeo.getLocation(new BMapGL.Point(arrs[0], arrs[1]), (result) => {
                    that.locationList = result.surroundingPois.map((item, index) => {
                        item.id = index + 1
                        return item
                    })
                })
            }
 
            function error(err) {
 
                switch (err.code) {
                    case err.PERMISSION_DENIED:
                        console.error("用户拒绝了位置请求。");
                        break;
                    case err.POSITION_UNAVAILABLE:
                        console.error("无法获取位置信息。");
                        break;
                    case err.TIMEOUT:
                        console.error("位置请求超时。");
                        break;
                    default:
                        console.error("未知错误。");
                }
            }
 
            const options = {
                enableHighAccuracy: true, // 启用高精度定位
                timeout: 5000, // 5 秒超时
                maximumAge: 0 //  不使用缓存
            };
            this.map.addEventListener('click', (e) => {
                this.clearMarkers()
                var mercator = this.map.lnglatToMercator(e.latlng.lng, e.latlng.lat);
                this.latitude = e.latlng.lat
                this.longitude = e.latlng.lng
                var point = new BMapGL.Point(e.latlng.lng, e.latlng.lat);
                this.map.centerAndZoom(point, 12);
                var myGeo = new BMapGL.Geocoder();
                // 根据坐标得到地址描述    
                myGeo.getLocation(new BMapGL.Point(e.latlng.lng, e.latlng.lat), (result) => {
                                        this.city = result.addressComponents.city
                    if( result.surroundingPois.length>0){
                        this.locationList = result.surroundingPois.map((item, index) => {
                            item.id = index + 1
                            return item
                        })
                    } else {
                        this.locationList = [{
                            id: 1,
                            title: result.address,
                            point: {
                                lat: e.latlng.lat,
                                lng: e.latlng.lng
                            }
                        }]
                    }
 
                })
                var marker = new BMapGL.Marker(point);
                this.map.addOverlay(marker);
                this.markers.push(marker);
            });
            // },
            // error:err=>{
            //     
            // }
            // });
 
        }
    }
</script>
 
<style lang="scss" scoped>
    #container {
        width: 100vw;
        height: 534rpx;
    }
 
    .content {
        display: flex;
        flex-direction: column;
        align-items: center;
 
        .main {
            background-color: #fff;
            border-radius: 34rpx;
            position: absolute;
            top: 517rpx;
            z-index: 100;
 
            .activecard {
                background: #F2F2F2;
            }
 
        }
 
    }
 
 
    .searchMain {
        padding-left: 40rpx;
        padding-right: 40rpx;
        border-radius: 40rpx;
 
        .search {
            width: 669rpx;
            height: 77rpx;
            background: #FFFFFF;
            border-radius: 38rpx;
            border: 2rpx solid #DADADA;
            display: flex;
 
            align-items: center;
            justify-content: space-between;
        }
    }
 
 
    .sure {
        width: 104rpx;
        height: 69rpx;
        background: linear-gradient(270deg, #FC8D55 0%, #FF4948 100%);
        border-radius: 48rpx;
        font-weight: 500;
        font-size: 23rpx;
        color: #FFFFFF;
        display: flex;
        align-items: center;
        justify-content: center;
    }
 
    .card {
        display: flex;
        flex-direction: column;
        font-weight: 800;
        font-size: 31rpx;
        color: rgba(0, 0, 0, 0.8);
        padding: 34rpx 38rpx 33rpx 38rpx;
        background: #fff;
        border-bottom: 2rpx solid rgba(0, 10, 26, 0.07);
    }
</style>