uniapp打开地图直接获取位置的实现代码

<view class="map-content" @click.stop="kilometer(item)">
		<view class="km">
			{{item.distance||'0'}}km
		</view>
	</view>

import map from '../../utils/map.js'
		onload() {
			let that = this
			let addressinfo = getapp().globaldata.addressinfo;
			if (addressinfo) {
				that.addressinfo = addressinfo
				that.getoillist()
			} else {
			//这里是获取地理位置
				map.loadcity().then(res => {
					that.addressinfo = getapp().globaldata.addressinfo
					that.getoillist()
				});
			}
		},
// 点击获取地图
	kilometer(e) {
		uni.openlocation({
			longitude: number(e.lng),
			latitude: number(e.lat),
			name: e.name,
			address: e.address
		})
	},

import qqmapwx from '@/utils/qqmap-wx-jssdk.min.js'
var qqmapsdk = {};
// 获取位置授权
async function loadcity() {
    let that = this;
    return new promise(function (resolve, reject) {
        uni.getsetting({
            success: (res) => {
                // res.authsetting['scope.userlocation'] == undefined    表示 初始化进入该页面
                // res.authsetting['scope.userlocation'] == false    表示 非初始化进入该页面,且未授权
                // res.authsetting['scope.userlocation'] == true    表示 地理位置授权
                if (res.authsetting['scope.userlocation'] != undefined && res.authsetting['scope.userlocation'] != true) {
                    uni.showmodal({
                        title: '请求授权当前位置',
                        content: '需要获取您的地理位置，请确认授权',
                        success: function (res) {
                            if (res.cancel) {
                                uni.showtoast({
                                    title: '拒绝授权',
                                    icon: 'none',
                                    duration: 1000
                                })
                                reject(false);
                            } else if (res.confirm) {
                                uni.opensetting({
                                    success: function (dataau) {
                                        if (dataau.authsetting["scope.userlocation"] == true) {
                                            uni.showtoast({
                                                title: '授权成功',
                                                icon: 'success',
                                                duration: 1000
                                            })
                                            that.getlocation().then(function (res) {
                                                if (res) {
                                                    resolve(true);
                                                } else {
                                                    reject(false);
                                                }
                                            });
                                        } else {
                                            uni.showtoast({
                                                title: '授权失败',
                                                icon: 'none',
                                                duration: 1000
                                            })
                                            reject(false);
                                        }
                                    }
                                })
                            }
                        }
                    })
                } else if (res.authsetting['scope.userlocation'] == undefined) {
                    that.getlocation().then(function (res) {
                        if (res) {
                            resolve(true);
                        } else {
                            reject(false);
                        }
                    });
                } else {
                    that.getlocation().then(function (res) {
                        if (res) {
                            resolve(true);
                        } else {
                            reject(false);
                        }
                    });
                }
            }
        })
    }).catch((e) => {})
}
//坐标获取城市
function getlocation() {
    let vm = this;
    return new promise(function (resolve, reject) {
        uni.getlocation({
            type: 'wgs84',
            success: function (res) {
                getapp().globaldata.latitude = res.latitude;
                getapp().globaldata.longitude = res.longitude;
                uni.setstoragesync("longitude", res.longitude)
                uni.setstoragesync("latitude", res.latitude)
                vm.getlocal().then(function (res) {
                    if (res) {
                        resolve(true);
                    } else {
                        reject(false);
                    }
                });
            },
            fail: function (res) {
                reject(false);
            }
        })
    }).catch((e) => {})
}
// 坐标转换地址
function getlocal() {
    let vm = this;
    return new promise(function (resolve, reject) {
        qqmapsdk = new qqmapwx ({
            key: 'asdfghjklqwertyuiop' //这里自己的key秘钥进行填充
        });
        qqmapsdk.reversegeocoder({
            location: {
                latitude: getapp().globaldata.latitude,
                longitude: getapp().globaldata.longitude
            },
            success: function (res) {
                getapp().globaldata.addressinfo = res.result.address_component;
                resolve(true);
            },
            fail: function (res) {
                reject(false);
            }
        });
    }).catch((e) => {})
}
function calculatedistance(latitude, longitude) {
    let vm = this;
    return new promise(function (resolve, reject) {
        qqmapsdk = new qqmapwx ({
            key: 'asdfghjklqwertyuiop' //这里自己的key秘钥进行填充
        });
        qqmapsdk.calculatedistance({
            to: [{
                latitude: latitude, //商家的纬度
                longitude: longitude, //商家的经度
            }],
            success: function (res) {
                resolve(res);
            },
            fail: function (res) {
                reject(res);
            }
        });
    }).catch((e) => {})
}
function selectlocation() {
    let that = this;
    return new promise(function (resolve, reject) {
        uni.getsetting({
            success(res) {
                // 只返回用户请求过的授权
                let auth = res.authsetting;
                if (auth['scope.userlocation']) {
                    // 已授权，申请定位地址
                    resolve(true)
                } else if (auth['scope.userlocation'] === undefined) {
                    // 用户没有请求过的授权，不需要我们主动弹窗，微信会提供弹窗
                    resolve(true)
                } else if (!auth['scope.userlocation']) {
                    // 没有授权过，需要用户重新授权
                    // 这个弹窗是为了实现点击，不然opensetting会失败
                    uni.showmodal({
                        title: '是否授权当前位置？',
                        content: '需要获取您的地理位置，请确认授权，否则定位功能将无法使用',
                        success: res => {
                            if (res.confirm) {
                                uni.opensetting({
                                    success(res) {
                                        let setting = res.authsetting;
                                        if (!setting['scope.userlocation']) {
                                            uni.showtoast({
                                                title: '地址授权失败，定位功能无法使用',
                                                icon: 'none',
                                            });
                                            reject(false)
                                        } else {
                                            // 地址授权成功，申请定位地址
                                            resolve(true)
                                        }
                                    },
                                    fail(err) {
                                        // 需要点击，有时候没有点击，是无法触发opensetting
                                        console.log('open-setting-fail', err);
                                        reject(false)
                                    }
                                });
                            }
                        }
                    });
                }
            }
        });
    }).catch((e) => {})
}
module.exports = {
    loadcity,
    getlocation,
    getlocal,
    getlocation,
    selectlocation,
    calculatedistance
}