mini program: add qcloud_device_linkage_demo

tools/Mini_Program/qcloud_device_linkage_demo/miniprogram/utils/timeutil.wxs

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+var formatNumber = function (n) {
+  n = n.toString()
+  return n[1] ? n : '0' + n
+}
+
+var regYear = getRegExp("(y+)", "i");
+
+var dateFormat = function (timestamp, format) {
+  if (!format) {
+    format = "yyyy-MM-dd hh:mm:ss";
+  }
+  timestamp = parseInt(timestamp);
+  var realDate = getDate(timestamp);
+  function timeFormat(num) {
+    return num < 10 ? '0' + num : num;
+  }
+  var date = [
+    ["M+", timeFormat(realDate.getMonth() + 1)],
+    ["d+", timeFormat(realDate.getDate())],
+    ["h+", timeFormat(realDate.getHours())],
+    ["m+", timeFormat(realDate.getMinutes())],
+    ["s+", timeFormat(realDate.getSeconds())],
+    ["q+", Math.floor((realDate.getMonth() + 3) / 3)],
+    ["S+", realDate.getMilliseconds()],
+  ];
+  var reg1 = regYear.exec(format);
+  // console.log(reg1[0]);
+  if (reg1) {
+
+    format = format.replace(reg1[1], (realDate.getFullYear() + '').substring(4 - reg1[1].length));
+  }
+  for (var i = 0; i < date.length; i++) {
+    var k = date[i][0];
+    var v = date[i][1];
+
+    var reg2 = getRegExp("(" + k + ")").exec(format);
+    if (reg2) {
+      format = format.replace(reg2[1], reg2[1].length == 1
+        ? v : ("00" + v).substring(("" + v).length));
+    }
+  }
+  return format;
+}
+
+
+module.exports = {
+  dateFormat: dateFormat
+}

tools/Mini_Program/qcloud_device_linkage_demo/miniprogram/utils/util.js

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+// await util.delayMs(1000)
+const delayMs = (ms) => {
+  return new Promise(resolve => {
+    setTimeout(resolve, ms);
+  });
+}
+
+function Appendzero(obj) {
+  if (obj < 10) return "0" + "" + obj;
+  else return obj;
+}
+
+// epoch => datetime str
+// 1578450878 => 2019-10-23 18:05:30
+function formatEpoch(epoch) {
+  var dateTime = new Date(parseInt(epoch) * 1000)
+  var year = dateTime.getFullYear();
+  var month = dateTime.getMonth() + 1;
+  var day = dateTime.getDate();
+  var hour = dateTime.getHours();
+  var minute = dateTime.getMinutes();
+  var second = dateTime.getSeconds();
+  var now = new Date();
+  var now_new = Date.parse(now.toDateString()); //typescript转换写法
+  var milliseconds = now_new - dateTime;
+  var timeSpanStr = year + '-' + Appendzero(month) + '-' + Appendzero(day) + ' ' + Appendzero(hour) + ':' + Appendzero(minute) + ':' + Appendzero(second);
+  return timeSpanStr;
+}
+
+module.exports = {
+  delayMs: delayMs,
+  formatEpoch: formatEpoch,
+}