85 lines
2.3 KiB
JavaScript
85 lines
2.3 KiB
JavaScript
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Component({
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properties: {
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changeCommunity: {
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type: Object,
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value: {}
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},
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community: {
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type: Object,
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value: {}
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},
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visible: {
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type: Boolean,
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value: false
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},
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canChange: {
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type: Boolean,
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value: true
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},
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groupInfo: {
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type: Object,
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value: {
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group_name: '社区',
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owner_name: '团长'
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}
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},
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cancelFn: {
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type: Boolean,
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value: false
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}
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},
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attached() {
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this.countDistance()
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},
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methods: {
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countDistance: function () {
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let that = this;
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wx.getLocation({
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type: 'wgs84',
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success(res) {
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let {changeCommunity, community} = that.data;
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const latitude = res.latitude;
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const longitude = res.longitude;
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let lat1 = community.lat || '';
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let lon1 = community.lon || '';
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let lat2 = changeCommunity.lat || '';
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let lon2 = community.lon || '';
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if(lat1 && lon1 && lat2 && lon2) {
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let distance1 = that.getDistance(latitude, longitude, lat1, lon1);
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let distance2 = that.getDistance(latitude, longitude, lat2, lon2);
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community.distance = "距您"+distance1.toFixed(2)+"km";
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changeCommunity.distance = "距您"+distance2.toFixed(2)+"km";
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that.setData({ community, changeCommunity })
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}
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}
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})
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},
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getDistance: function (lat1, lng1, lat2, lng2) {
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var radLat1 = lat1 * Math.PI / 180.0;
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var radLat2 = lat2 * Math.PI / 180.0;
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var a = radLat1 - radLat2;
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var b = lng1 * Math.PI / 180.0 - lng2 * Math.PI / 180.0;
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var s = 2 * Math.asin(Math.sqrt(Math.pow(Math.sin(a / 2), 2) +
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Math.cos(radLat1) * Math.cos(radLat2) * Math.pow(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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return s;
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},
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switchCommunity: function (e) {
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let type = e.currentTarget.dataset.type;
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if (type == 0 || !this.data.canChange) {
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this.closeModal();
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} else {
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this.data.canChange && this.triggerEvent('changeComunity'), getApp().globalData.goodsListCarCount = [];
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}
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},
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closeModal: function () {
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this.data.cancelFn && this.triggerEvent('noChange');
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this.setData({
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visible: false
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})
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}
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}
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})
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