38 lines
1.0 KiB
JavaScript
38 lines
1.0 KiB
JavaScript
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const app = getApp();
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function getLocation() {
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return new Promise((resolve, reject) => {
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const cached = app.globalData.location;
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if (cached) {
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resolve(cached);
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return;
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}
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wx.getLocation({
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type: 'gcj02',
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success: (res) => {
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const loc = { latitude: res.latitude, longitude: res.longitude };
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app.globalData.location = loc;
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resolve(loc);
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},
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fail: (err) => {
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// 常见错误：未授权、隐私协议未同意
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const msg = err.errMsg || '';
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if (msg.indexOf('auth deny') >= 0 || msg.indexOf('authorize') >= 0) {
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wx.showModal({
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title: '需要定位权限',
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content: '请在设置中允许小程序获取位置，或点击右上角手动选择位置',
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confirmText: '去设置',
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success: (res) => {
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if (res.confirm) wx.openSetting();
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}
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});
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}
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reject(new Error('定位失败'));
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}
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});
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});
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}
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module.exports = { getLocation };
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