Fixed timestamp offset error and microsecond not displaying

src/connector/nodejs/nodetaos/cinterface.js

@@ -17,7 +17,7 @@ function convertMillisecondsToDatetime(time) {
   return new TaosObjects.TaosTimestamp(time);
 }
 function convertMicrosecondsToDatetime(time) {
-  return new TaosObjects.TaosTimestamp(time * 0.001);
+  return new TaosObjects.TaosTimestamp(time * 0.001, true);
 }
 
 function convertTimestamp(data, num_of_rows, nbytes = 0, offset = 0, micro=false) {

src/connector/nodejs/nodetaos/taosobjects.js

@@ -42,17 +42,32 @@ function TaosField(field) {
  * @param {Date} date - A Javascript date time object or the time in milliseconds past 1970-1-1 00:00:00.000
  */
 class TaosTimestamp extends Date {
-  constructor(date) {
+  constructor(date, micro = false) {
     super(date);
     this._type = 'TaosTimestamp';
+    if (micro) {
+      this.microTime = date - Math.floor(date);
+    }
   }
   /**
    * @function Returns the date into a string usable by TDengine
    * @return {string} A Taos Timestamp String
    */
   toTaosString(){
-    let tsArr = this.toISOString().split("T")
-    return tsArr[0] + " " + tsArr[1].substring(0, tsArr[1].length-1);
+    var tzo = -this.getTimezoneOffset(),
+        dif = tzo >= 0 ? '+' : '-',
+        pad = function(num) {
+            var norm = Math.floor(Math.abs(num));
+            return (norm < 10 ? '0' : '') + norm;
+        };
+    return this.getFullYear() +
+        '-' + pad(this.getMonth() + 1) +
+        '-' + pad(this.getDate()) +
+        ' ' + pad(this.getHours()) +
+        ':' + pad(this.getMinutes()) +
+        ':' + pad(this.getSeconds()) +
+        '.' + pad(this.getMilliseconds()) +
+        ''  + (this.microTime ? this.microTime.toFixed(3) : '').substr(2);
   }
 }