fix: 修复农历显示异常的bug

src/views/index/index.vue

@@ -72,7 +72,7 @@
               <div class="serve-info">
                 <div class="serve-date-info">
                   <div class="font-14 color-909399 p-t-10 m-b-13" style="font-weight:300;">{{ new Date().getTime() | timeStampToYm }}</div>
-                  <div class="font-12 color-909399">农历{{ getLunarDay(new Date().getFullYear(), new Date().getMonth() + 1, new Date().getDate()) }}</div>
+                  <div class="font-12 color-909399">农历{{ getLunarDay() }}</div>
                   <div class="serve-date-day">
                     <div class="serve-date-day_inner ">
                       <div class="color-fff font-26 p-t-10" style="letter-spacing: 2px;">{{ new Date().getDate() }}</div>
@@ -217,68 +217,23 @@ export default {
       window.open('https://notes.dingtalk.com/p/dy0mVP0g7lQPjz89/docs/dy0mV1QLjwErWX89');
     },
     /* eslint-disable */
-    getLunarDay(solarYear, solarMonth, solarDay) {
-      // 拷贝别人又自己调整过的获取农历日期的代码，想要原来的代码估计百度一下就有了
-      const madd = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334];
-      // const tgString = '甲乙丙丁戊己庚辛壬癸'
-      // const dzString = '子丑寅卯辰巳午未申酉戌亥'
-      const numString = '一二三四五六七八九十';
-      const monString = '正二三四五六七八九十冬腊';
-      const CalendarData = [0xa4b, 0x5164b, 0x6a5, 0x6d4, 0x415b5, 0x2b6, 0x957, 0x2092f, 0x497, 0x60c96, 0xd4a, 0xea5, 0x50da9, 0x5ad, 0x2b6, 0x3126e, 0x92e, 0x7192d, 0xc95, 0xd4a, 0x61b4a, 0xb55, 0x56a, 0x4155b, 0x25d, 0x92d, 0x2192b, 0xa95, 0x71695, 0x6ca, 0xb55, 0x50ab5, 0x4da, 0xa5b, 0x30a57, 0x52b, 0x8152a, 0xe95, 0x6aa, 0x615aa, 0xab5, 0x4b6, 0x414ae, 0xa57, 0x526, 0x31d26, 0xd95, 0x70b55, 0x56a, 0x96d, 0x5095d, 0x4ad, 0xa4d, 0x41a4d, 0xd25, 0x81aa5, 0xb54, 0xb6a, 0x612da, 0x95b, 0x49b, 0x41497, 0xa4b, 0xa164b, 0x6a5, 0x6d4, 0x615b4, 0xab6, 0x957, 0x5092f, 0x497, 0x64b, 0x30d4a, 0xea5, 0x80d65, 0x5ac, 0xab6, 0x5126d, 0x92e, 0xc96, 0x41a95, 0xd4a, 0xda5, 0x20b55, 0x56a, 0x7155b, 0x25d, 0x92d, 0x5192b, 0xa95, 0xb4a, 0x416aa, 0xad5, 0x90ab5, 0x4ba, 0xa5b, 0x60a57, 0x52b, 0xa93, 0x40e95];
-      if (!(solarYear < 1921 || solarYear > 2100)) {
-        solarMonth = parseInt(solarMonth) > 0 ? solarMonth - 1 : 11;
-        const timeArr = [solarYear, solarMonth, solarDay];
-        let TheDate = timeArr.length !== 3 ? new Date() : new Date(timeArr[0], timeArr[1], timeArr[2]);
-        let total;
-        let m;
-        let n;
-        let k;
-        let isEnd = false;
-        let theDateYear = TheDate.getFullYear();
-        total = (theDateYear - 1921) * 365 + Math.floor((theDateYear - 1921) / 4) + madd[TheDate.getMonth()] + TheDate.getDate() - 38;
-        if (theDateYear % 4 === 0 && TheDate.getMonth() > 1) {
-          total++;
-        }
-        for (m = 0; ; m++) {
-          k = CalendarData[m] < 0xfff ? 11 : 12;
-          for (n = k; n >= 0; n--) {
-            if (total <= this.getBit(CalendarData[m], n)) {
-              isEnd = true;
-              break;
-            }
-            total = total - this.getBit(CalendarData[m], n);
-          }
-          if (isEnd) {
-            break;
-          }
-        }
-        let cMonth;
-        let cDay; // cYear,
-        // cYear = 1921 + m
-        cMonth = k - n + 1;
-        cDay = total;
-        if (k === 12) {
-          if (cMonth === Math.floor(CalendarData[m] / 0x10000) + 1) {
-            cMonth = 1 - cMonth;
-          }
-          if (cMonth > Math.floor(CalendarData[m] / 0x10000) + 1) {
-            cMonth--;
-          }
-        }
-        // let run = ''
-        let cDayStr = numString.charAt(cDay - 1);
-        /* if (cMonth < 1) {
-                              run = '(闰)'
-                            } */
-        if (cDay % 10 !== 0 || cDay === 10) {
-          cDayStr = numString.charAt((cDay - 1) % 10);
-        }
-        return cDay === 1 ? monString.charAt(cMonth - 1) + '月初一' : monString.charAt(cMonth - 1) + '月' + (cDay < 11 ? '初' : cDay < 20 ? '十' : cDay < 30 ? '廿' : '三十') + cDayStr; // tgString.charAt((cYear - 4) % 10) + dzString.charAt((cYear - 4) % 12) + '年 ' + run + monString.charAt(cMonth - 1) + '月' +
+    getLunarDay() {
+      const ones = '一二三四五六七八九十';
+      const tens = '十廿';
+      // date格式为 "2021年六月24 下午4:59:02"
+      const now = new Date().toLocaleString('zh-Hans-u-ca-chinese');
+      // 解析date得到 六月廿四 的农历格式
+      const month = now.match(/年(.*)月/)[1];
+      let date = now.match(/月(\d*)\s/)[1];
+      if (Number(date) <= 10) {
+        // 初几
+        date = `初${ones.charAt(date - 1)}`;
+      } else {
+        date = date.split('');
+        // 二十几 三十
+        date = date[1] == 0 ? `${ones.charAt(date[0] - 1)}十` : `${tens.charAt(date[0] - 1)}${ones.charAt(date[1] - 1)}`;
       }
-    },
-    getBit(m, n) {
-      // 也是拷贝的，不是很明白这段代码干嘛的，不过很明显是处理二进制数据的
-      return 29 + ((m >> n) & 1);
+      return `${month}${date}`;
     },
     /**
      * 帮助中心跳转