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import config from '../config';
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export default {
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// 控制字符长度
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controlLength: (str, len = 10) => {
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if (!str) return "";
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if (str.length > len) return str.slice(0, len) + "..."
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return str;
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},
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uploadFile:(chooseImageRes) => {
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const tempFilePaths = chooseImageRes.tempFilePaths;
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uni.uploadFile({
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url:`${config.baseUrl}/upload`,
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filePath: tempFilePaths[0],
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name: 'file',
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header:{
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'Authorization':token.value,
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'x-token':token.value
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},
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success: (res) => {
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var f_res = JSON.parse(res.data)
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// if(f_res.code === 0){
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// userInfo.value.avatar = f_res.data
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// }
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}
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});
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},
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timestampToDate(stamp) { // 时间戳转日期
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var time = new Date(stamp);
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var y = time.getFullYear();
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var m = time.getMonth()+1;
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var d = time.getDate();
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const date = `${y}-${m}-${d}`
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return date
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},
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datatime(time){ // 获取近五天的日期数组
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var myDate = new Date(); //获取当天日期
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myDate.setDate(myDate.getDate());
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// console.log(myDate.getFullYear())//年
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// console.log(myDate.getMonth())//月0-11
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// console.log(myDate.getDate())//日
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var dateArray = [];
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var dateTemp;
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var flag = 1;
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// 日期格式化
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for (var i = 0; i < time; i++) {
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let month = 0;
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// 月小于10，在前面加‘0’；因为月从0开始，故需+1
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if (myDate.getMonth() + 1 < 10) {
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month = '0' + (myDate.getMonth() + 1);
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} else {
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month = myDate.getMonth() + 1;
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}
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let day = 0;
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// 日小于10，在前加0
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if (myDate.getDate() < 10) {
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day = '0' + myDate.getDate();
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} else {
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day = myDate.getDate();
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}
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// YY-MM-DD
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dateTemp = myDate.getFullYear() + '-' + month + '-' + day;
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dateArray.push(dateTemp);
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// console.log(dateArray)
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//若不加flag则结果都是一个日期（当前日期减time天）
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//日期 +1 天，此日期为减time天后的日期
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myDate.setDate(myDate.getDate() + flag);
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}
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return dateArray
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},
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getDistances(lat1, lng1, lat2, lng2) { // 根据经纬度计算距离，参数分别为第一点的纬度，经度；第二点的纬度，经度
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let EARTH_RADIUS = 6378.137;// 地球半径
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let radLat1 = lat1 * Math.PI / 180.0; //lat1 * Math.PI / 180.0=>弧度计算
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let radLat2 = lat2 * Math.PI / 180.0;
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let a = radLat1 - radLat2;
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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(radLat1) * Math.cos(radLat2) * Math.pow(Math.sin(b / 2), 2)));
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s = s * EARTH_RADIUS;
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s = Math.round(s * 10000) / 10000;// 输出为公里
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return { m: s * 1000, km: Number(s.toFixed(2)) }
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}
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}
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