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代码优化

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肖建
2025-12-25 11:00:13 +08:00
parent 18793b3e6d
commit 7a57085366
967 changed files with 186 additions and 94671 deletions
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94
uniapp/uni-app/utils/index.js
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@@ -567,7 +567,7 @@ export default {
})
})
},
getBmapLocation: function(ak = 'r42BavbvCM0IA1eyo7bsD0aAZadiV4Q8') {
getBmapLocation: function() {
// #ifdef H5
return this.getAmapLocationH5();
// #endif
@@ -764,50 +764,65 @@ export default {
let cacheTime = uni.getStorageSync('location_cache_time');
let now = new Date().getTime();
if (cachedLocation && cacheTime && (now - cacheTime) < 30 * 60 * 1000) {
resolve(cachedLocation);
resolve(this.normalizeLocation(cachedLocation));
return;
}
if (!navigator.geolocation) {
that.showToast({ title: '您的浏览器不支持地理位置功能' });
reject(new Error('Geolocation not supported'));
that.fetchIpFromAmap().then((ipLoc)=>{
let locationInfo = this.normalizeLocation({ lat: 0, lng: 0, address: '', province: ipLoc.province || '', city: ipLoc.city || '', district: '' });
uni.setStorageSync('cached_location', locationInfo);
uni.setStorageSync('location_cache_time', now);
resolve(locationInfo);
}).catch(()=>{
reject(new Error('Geolocation not supported'));
});
return;
}
navigator.geolocation.getCurrentPosition(
async (position) => {
try {
const { latitude, longitude } = position.coords;
let { latitude, longitude } = position.coords;
let gcj = this.wgs84ToGcj02(longitude, latitude);
let useLng = gcj.lng, useLat = gcj.lat;
let quotaExpire = uni.getStorageSync('amap_geocoder_quota_expire');
let quotaExceeded = quotaExpire && (now < quotaExpire);
if (quotaExceeded) {
let locationInfo = { lat: latitude, lng: longitude, address: '', province: '', city: '', district: '' };
let locationInfo = this.normalizeLocation({ lat: useLat, lng: useLng, address: '', province: '', city: '', district: '' });
uni.setStorageSync('cached_location', locationInfo);
uni.setStorageSync('location_cache_time', now);
resolve(locationInfo);
return;
}
const response = await that.fetchAddressFromAmap(latitude, longitude);
const response = await that.fetchAddressFromAmap(useLat, useLng);
let locationInfo = {
lat: latitude,
lng: longitude,
lat: useLat,
lng: useLng,
address: response.address || '',
province: response.province || '',
city: response.city || '',
district: response.district || ''
};
locationInfo = this.normalizeLocation(locationInfo);
uni.setStorageSync('cached_location', locationInfo);
uni.setStorageSync('location_cache_time', now);
resolve(locationInfo);
} catch (error) {
let locationInfo = { lat: position.coords.latitude, lng: position.coords.longitude, address: '', province: '', city: '', district: '' };
let gcj = this.wgs84ToGcj02(position.coords.longitude, position.coords.latitude);
let locationInfo = this.normalizeLocation({ lat: gcj.lat, lng: gcj.lng, address: '', province: '', city: '', district: '' });
uni.setStorageSync('cached_location', locationInfo);
uni.setStorageSync('location_cache_time', now);
resolve(locationInfo);
}
},
(error) => {
console.error('获取位置失败:', error);
that.showToast({ title: '获取位置失败，请检查浏览器位置权限设置' });
reject(error);
that.fetchIpFromAmap().then((ipLoc)=>{
let locationInfo = this.normalizeLocation({ lat: 0, lng: 0, address: '', province: ipLoc.province || '', city: ipLoc.city || '', district: '' });
uni.setStorageSync('cached_location', locationInfo);
uni.setStorageSync('location_cache_time', now);
resolve(locationInfo);
}).catch(()=>{
reject(error);
});
},
{ enableHighAccuracy: true, timeout: 10000, maximumAge: 30 * 60 * 1000 }
);
@@ -848,11 +863,12 @@ export default {
city: response.city || '',
district: response.district || ''
};
locationInfo = this.normalizeLocation(locationInfo);
uni.setStorageSync('cached_location', locationInfo);
uni.setStorageSync('location_cache_time', now);
resolve(locationInfo);
} catch (e) {
let locationInfo = { lat: res.latitude, lng: res.longitude, address: '', province: '', city: '', district: '' };
let locationInfo = this.normalizeLocation({ lat: res.latitude, lng: res.longitude, address: '', province: '', city: '', district: '' });
uni.setStorageSync('cached_location', locationInfo);
uni.setStorageSync('location_cache_time', now);
resolve(locationInfo);
@@ -910,6 +926,54 @@ export default {
});
});
},
fetchIpFromAmap: function() {
return new Promise((resolve, reject) => {
const key = '0806ce19c290f720e7699ab73e8b9088';
uni.request({
url: 'https://restapi.amap.com/v3/ip',
data: { key },
success: (res) => {
if (res.data && res.data.status == '1') {
resolve({ province: res.data.province || '', city: res.data.city || '' });
} else {
reject(new Error('AMap IP error'));
}
},
fail: (error) => { reject(error); }
});
});
},
normalizeLocation: function(loc) {
let lat = Number(loc.lat) || 0;
let lng = Number(loc.lng) || 0;
return {
lat,
lng,
address: (loc.address || '').toString(),
province: (loc.province || '').toString(),
city: (loc.city || '').toString(),
district: (loc.district || '').toString()
};
},
wgs84ToGcj02: function(lng, lat) {
function outOfChina(lng, lat) { return (lng < 72.004 || lng > 137.8347 || lat < 0.8293 || lat > 55.8271); }
function 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; }
function 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; }
if (outOfChina(lng, lat)) { return { lng, lat }; }
let a = 6378245.0;
let ee = 0.00669342162296594323;
let dLat = transformLat(lng - 105.0, lat - 35.0);
let dLon = transformLon(lng - 105.0, lat - 35.0);
let radLat = lat / 180.0 * Math.PI;
let magic = Math.sin(radLat);
magic = 1 - ee * magic * magic;
let sqrtMagic = Math.sqrt(magic);
dLat = (dLat * 180.0) / ((a * (1 - ee)) / (magic * sqrtMagic) * Math.PI);
dLon = (dLon * 180.0) / (a / sqrtMagic * Math.cos(radLat) * Math.PI);
let mgLat = lat + dLat;
let mgLon = lng + dLon;
return { lng: mgLon, lat: mgLat };
},
// 使用腾讯地图API获取详细地址信息
fetchAddressFromTencent: function(lat, lng) {
return new Promise((resolve, reject) => {
@@ -947,7 +1011,7 @@ export default {
fail: (error) => {
reject(error);
}
});
});
});
},
}