// 返回距离
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export function distance(lat1, lng1, lat2, lng2) {
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var that = this;
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let rad1 = lat1 * Math.PI / 180.0;
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let rad2 = lat2 * Math.PI / 180.0;
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let a = rad1 - rad2;
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let b = lng1 * Math.PI / 180.0 - lng2 * Math.PI / 180.0;
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let s = 2 * Math.asin(Math.sqrt(Math.pow(Math.sin(a / 2), 2) + Math.cos(rad1) *
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Math.cos(
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rad2) * Math.pow(
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Math.sin(b / 2), 2)));
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s = s * 6378.137;
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s = Math.round(s * 10000) / 10000;
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s = s.toString();
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s = s.substring(0, s.indexOf('.') + 2);
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return s
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}
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// 登录
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export function userLogin() {
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let that = this;
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let promise = new Promise((resolve, reject) => {
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uni.login({
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provider: 'weixin',
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success: async function(loginRes) {
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let { code } = loginRes;
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let res = await that.$u.api.wxLogin({ code })
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if (res.code === 200) {
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resolve(res);
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// that.$store.commit('setToken', res.data.token)
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// that.$store.commit('setUserInfo', res.data.userResponse)
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} else {
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reject(err)
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}
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}
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});
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})
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return promise;
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}
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