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39 lines
1.2 KiB
39 lines
1.2 KiB
let lastTime = 0;
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let promise = null;
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let loading = false;
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const cacheTime = 30 * 1000;
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/**
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* @description: 获取地理位置信息，由于微信小程序从基础库2.17.0版本起 30秒内重复调用wx.getLocation会返回错误,因此使用此方法获取，在30秒内重复调用会使用缓存的成功信息
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* @param {object} options
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* @example 同 uni.getLocation，注意30秒内新参数无效，会使用上次获取的结果直接返回
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*/
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export default function getLocation(options) {
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if (!loading && Date.now() - lastTime > cacheTime) {
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loading = true;
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promise = new Promise((resolve, reject) => {
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uni.getLocation(Object.assign({}, options, {
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success(res) {
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lastTime = Date.now();
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resolve(res);
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},
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fail: reject,
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complete() {
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loading = false;
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},
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}));
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});
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}
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promise.then(res => {
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if (options) {
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typeof options.success === 'function' && options.success(res);
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typeof options.complete === 'function' && options.complete(res);
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}
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}, err => {
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if (options) {
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typeof options.fail === 'function' && options.fail(err);
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typeof options.complete === 'function' && options.complete(err);
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}
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});
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return promise;
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}
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