1.map.nvue
{{item.name}}
{{item.district+item.address}}
{{addressText}}
选择这里
2. api.js wgs84和gcj02 坐标转化
/**
* 判断经纬度是否超出中国境内
*/
function isLocationOutOfChina(latitude, longitude) {
if (longitude < 72.004 || longitude > 137.8347 || latitude < 0.8293 || latitude > 55.8271)
return true;
return false;
}
/**
* 将WGS-84(国际标准)转为GCJ-02(火星坐标):
*/
function transformFromWGSToGCJ(latitude, longitude) {
var lat = "";
var lon = "";
var ee = 0.00669342162296594323;
var a = 6378245.0;
var pi = 3.14159265358979324;
if (isLocationOutOfChina(latitude, longitude)) {
lat = latitude;
lon = longitude;
}
else {
var adjustLat = transformLatWithXY(longitude - 105.0, latitude - 35.0);
var adjustLon = transformLonWithXY(longitude - 105.0, latitude - 35.0);
var radLat = latitude / 180.0 * pi;
var magic = Math.sin(radLat);
magic = 1 - ee * magic * magic;
var sqrtMagic = Math.sqrt(magic);
adjustLat = (adjustLat * 180.0) / ((a * (1 - ee)) / (magic * sqrtMagic) * pi);
adjustLon = (adjustLon * 180.0) / (a / sqrtMagic * Math.cos(radLat) * pi);
latitude = latitude + adjustLat;
longitude = longitude + adjustLon;
}
return { latitude: latitude, longitude: longitude };
}
/**
* 将GCJ-02(火星坐标)转为百度坐标:
*/
function transformFromGCJToBaidu(latitude, longitude) {
var pi = 3.14159265358979324 * 3000.0 / 180.0;
var z = Math.sqrt(longitude * longitude + latitude * latitude) + 0.00002 * Math.sin(latitude * pi);
var theta = Math.atan2(latitude, longitude) + 0.000003 * Math.cos(longitude * pi);
var a_latitude = (z * Math.sin(theta) + 0.006);
var a_longitude = (z * Math.cos(theta) + 0.0065);
return { latitude: a_latitude, longitude: a_longitude };
}
/**
* 将百度坐标转为GCJ-02(火星坐标):
*/
function transformFromBaiduToGCJ(latitude, longitude) {
var xPi = 3.14159265358979323846264338327950288 * 3000.0 / 180.0;
var x = longitude - 0.0065;
var y = latitude - 0.006;
var z = Math.sqrt(x * x + y * y) - 0.00002 * Math.sin(y * xPi);
var theta = Math.atan2(y, x) - 0.000003 * Math.cos(x * xPi);
var a_latitude = z * Math.sin(theta);
var a_longitude = z * Math.cos(theta);
return { latitude: a_latitude, longitude: a_longitude };
}
/**
* 将GCJ-02(火星坐标)转为WGS-84:
*/
function transformFromGCJToWGS(latitude, longitude) {
var threshold = 0.00001;
// The boundary
var minLat = latitude - 0.5;
var maxLat = latitude + 0.5;
var minLng = longitude - 0.5;
var maxLng = longitude + 0.5;
var delta = 1;
var maxIteration = 30;
while (true) {
var leftBottom = transformFromWGSToGCJ(minLat, minLng);
var rightBottom = transformFromWGSToGCJ(minLat, maxLng);
var leftUp = transformFromWGSToGCJ(maxLat, minLng);
var midPoint = transformFromWGSToGCJ((minLat + maxLat) / 2, (minLng + maxLng) / 2);
delta = Math.abs(midPoint.latitude - latitude) + Math.abs(midPoint.longitude - longitude);
if (maxIteration-- <= 0 || delta <= threshold) {
return { latitude: (minLat + maxLat) / 2, longitude: (minLng + maxLng) / 2 };
}
if (isContains({ latitude: latitude, longitude: longitude }, leftBottom, midPoint)) {
maxLat = (minLat + maxLat) / 2;
maxLng = (minLng + maxLng) / 2;
}
else if (isContains({ latitude: latitude, longitude: longitude }, rightBottom, midPoint)) {
maxLat = (minLat + maxLat) / 2;
minLng = (minLng + maxLng) / 2;
}
else if (isContains({ latitude: latitude, longitude: longitude }, leftUp, midPoint)) {
minLat = (minLat + maxLat) / 2;
maxLng = (minLng + maxLng) / 2;
}
else {
minLat = (minLat + maxLat) / 2;
minLng = (minLng + maxLng) / 2;
}
}
}
function isContains(point, p1, p2) {
return (point.latitude >= Math.min(p1.latitude, p2.latitude) && point.latitude <= Math.max(p1.latitude, p2.latitude)) && (point.longitude >= Math.min(p1.longitude, p2.longitude) && point.longitude <= Math.max(p1.longitude, p2.longitude));
}
function transformLatWithXY(x, y) {
var pi = 3.14159265358979324;
var lat = -100.0 + 2.0 * x + 3.0 * y + 0.2 * y * y + 0.1 * x * y + 0.2 * Math.sqrt(Math.abs(x));
lat += (20.0 * Math.sin(6.0 * x * pi) + 20.0 * Math.sin(2.0 * x * pi)) * 2.0 / 3.0;
lat += (20.0 * Math.sin(y * pi) + 40.0 * Math.sin(y / 3.0 * pi)) * 2.0 / 3.0;
lat += (160.0 * Math.sin(y / 12.0 * pi) + 320 * Math.sin(y * pi / 30.0)) * 2.0 / 3.0;
return lat;
}
function transformLonWithXY(x, y) {
var pi = 3.14159265358979324;
var lon = 300.0 + x + 2.0 * y + 0.1 * x * x + 0.1 * x * y + 0.1 * Math.sqrt(Math.abs(x));
lon += (20.0 * Math.sin(6.0 * x * pi) + 20.0 * Math.sin(2.0 * x * pi)) * 2.0 / 3.0;
lon += (20.0 * Math.sin(x * pi) + 40.0 * Math.sin(x / 3.0 * pi)) * 2.0 / 3.0;
lon += (150.0 * Math.sin(x / 12.0 * pi) + 300.0 * Math.sin(x / 30.0 * pi)) * 2.0 / 3.0;
return lon;
}
module.exports = {
isLocationOutOfChina: isLocationOutOfChina,
transformFromWGSToGCJ: transformFromWGSToGCJ,
transformFromGCJToBaidu: transformFromGCJToBaidu,
transformFromBaiduToGCJ: transformFromBaiduToGCJ,
transformFromGCJToWGS: transformFromGCJToWGS
}
3.permission
/// null = 未请求，1 = 已允许，0 = 拒绝|受限, 2 = 系统未开启
var isIOS
function album() {
var result = 0;
var PHPhotoLibrary = plus.ios.import("PHPhotoLibrary");
var authStatus = PHPhotoLibrary.authorizationStatus();
if (authStatus === 0) {
result = null;
} else if (authStatus == 3) {
result = 1;
} else {
result = 0;
}
plus.ios.deleteObject(PHPhotoLibrary);
return result;
}
function camera() {
var result = 0;
var AVCaptureDevice = plus.ios.import("AVCaptureDevice");
var authStatus = AVCaptureDevice.authorizationStatusForMediaType('vide');
if (authStatus === 0) {
result = null;
} else if (authStatus == 3) {
result = 1;
} else {
result = 0;
}
plus.ios.deleteObject(AVCaptureDevice);
return result;
}
function location() {
var result = 0;
var cllocationManger = plus.ios.import("CLLocationManager");
var enable = cllocationManger.locationServicesEnabled();
var status = cllocationManger.authorizationStatus();
if (!enable) {
result = 2;
} else if (status === 0) {
result = null;
} else if (status === 3 || status === 4) {
result = 1;
} else {
result = 0;
}
plus.ios.deleteObject(cllocationManger);
return result;
}
function push() {
var result = 0;
var UIApplication = plus.ios.import("UIApplication");
var app = UIApplication.sharedApplication();
var enabledTypes = 0;
if (app.currentUserNotificationSettings) {
var settings = app.currentUserNotificationSettings();
enabledTypes = settings.plusGetAttribute("types");
if (enabledTypes == 0) {
result = 0;
console.log("推送权限没有开启");
} else {
result = 1;
console.log("已经开启推送功能!")
}
plus.ios.deleteObject(settings);
} else {
enabledTypes = app.enabledRemoteNotificationTypes();
if (enabledTypes == 0) {
result = 3;
console.log("推送权限没有开启!");
} else {
result = 4;
console.log("已经开启推送功能!")
}
}
plus.ios.deleteObject(app);
plus.ios.deleteObject(UIApplication);
return result;
}
function contact() {
var result = 0;
var CNContactStore = plus.ios.import("CNContactStore");
var cnAuthStatus = CNContactStore.authorizationStatusForEntityType(0);
if (cnAuthStatus === 0) {
result = null;
} else if (cnAuthStatus == 3) {
result = 1;
} else {
result = 0;
}
plus.ios.deleteObject(CNContactStore);
return result;
}
function record() {
var result = null;
var avaudiosession = plus.ios.import("AVAudioSession");
var avaudio = avaudiosession.sharedInstance();
var status = avaudio.recordPermission();
console.log("permissionStatus:" + status);
if (status === 1970168948) {
result = null;
} else if (status === 1735552628) {
result = 1;
} else {
result = 0;
}
plus.ios.deleteObject(avaudiosession);
return result;
}
function calendar() {
var result = null;
var EKEventStore = plus.ios.import("EKEventStore");
var ekAuthStatus = EKEventStore.authorizationStatusForEntityType(0);
if (ekAuthStatus == 3) {
result = 1;
console.log("日历权限已经开启");
} else {
console.log("日历权限没有开启");
}
plus.ios.deleteObject(EKEventStore);
return result;
}
function memo() {
var result = null;
var EKEventStore = plus.ios.import("EKEventStore");
var ekAuthStatus = EKEventStore.authorizationStatusForEntityType(1);
if (ekAuthStatus == 3) {
result = 1;
console.log("备忘录权限已经开启");
} else {
console.log("备忘录权限没有开启");
}
plus.ios.deleteObject(EKEventStore);
return result;
}
function requestIOS(permissionID) {
return new Promise((resolve, reject) => {
switch (permissionID) {
case "push":
resolve(push());
break;
case "location":
resolve(location());
break;
case "record":
resolve(record());
break;
case "camera":
resolve(camera());
break;
case "album":
resolve(album());
break;
case "contact":
resolve(contact());
break;
case "calendar":
resolve(calendar());
break;
case "memo":
resolve(memo());
break;
default:
resolve(0);
break;
}
});
}
function requestAndroid(permissionID) {
return new Promise((resolve, reject) => {
plus.android.requestPermissions(
[permissionID],
function(resultObj) {
var result = 0;
for (var i = 0; i < resultObj.granted.length; i++) {
var grantedPermission = resultObj.granted[i];
console.log('已获取的权限：' + grantedPermission);
result = 1
}
for (var i = 0; i < resultObj.deniedPresent.length; i++) {
var deniedPresentPermission = resultObj.deniedPresent[i];
console.log('拒绝本次申请的权限：' + deniedPresentPermission);
result = 0
}
for (var i = 0; i < resultObj.deniedAlways.length; i++) {
var deniedAlwaysPermission = resultObj.deniedAlways[i];
console.log('永久拒绝申请的权限：' + deniedAlwaysPermission);
result = -1
}
resolve(result);
},
function(error) {
console.log('result error: ' + error.message)
resolve({
code: error.code,
message: error.message
});
}
);
});
}
function gotoAppPermissionSetting() {
if (permission.isIOS) {
var UIApplication = plus.ios.import("UIApplication");
var application2 = UIApplication.sharedApplication();
var NSURL2 = plus.ios.import("NSURL");
var setting2 = NSURL2.URLWithString("app-settings:");
application2.openURL(setting2);
plus.ios.deleteObject(setting2);
plus.ios.deleteObject(NSURL2);
plus.ios.deleteObject(application2);
} else {
var Intent = plus.android.importClass("android.content.Intent");
var Settings = plus.android.importClass("android.provider.Settings");
var Uri = plus.android.importClass("android.net.Uri");
var mainActivity = plus.android.runtimeMainActivity();
var intent = new Intent();
intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
var uri = Uri.fromParts("package", mainActivity.getPackageName(), null);
intent.setData(uri);
mainActivity.startActivity(intent);
}
}
const permission = {
get isIOS(){
return typeof isIOS === 'boolean' ? isIOS : (isIOS = uni.getSystemInfoSync().platform === 'ios')
},
requestIOS: requestIOS,
requestAndroid: requestAndroid,
gotoAppSetting: gotoAppPermissionSetting
}
export default permission
