js 判断所选时间(或者当前时间)是否在某一时间段的实现代码

核心代码:

var time_range = function (beginTime, endTime, nowTime) {
 var strb = beginTime.split (":");
 if (strb.length != 2) {
 return false;
 }

 var stre = endTime.split (":");
 if (stre.length != 2) {
 return false;
 }

 var strn = nowTime.split (":");
 if (stre.length != 2) {
 return false;
 }
 var b = new Date ();
 var e = new Date ();
 var n = new Date ();

 b.setHours (strb[0]);
 b.setMinutes (strb[1]);
 e.setHours (stre[0]);
 e.setMinutes (stre[1]);
 n.setHours (strn[0]);
 n.setMinutes (strn[1]);

 if (n.getTime () - b.getTime () > 0 && n.getTime () - e.getTime () < 0) {
 return true;
 } else {
 alert ("当前时间是:" + n.getHours () + ":" + n.getMinutes () + ",不在该时间范围内!");
 return false;
 }
}
time_range ("21:30", "23:30", "3:22");

效果:

当前时间的情况下:

var time_range = function (beginTime, endTime) {
 var strb = beginTime.split (":");
 if (strb.length != 2) {
 return false;
 }

 var stre = endTime.split (":");
 if (stre.length != 2) {
 return false;
 }

 var b = new Date ();
 var e = new Date ();
 var n = new Date ();

 b.setHours (strb[0]);
 b.setMinutes (strb[1]);
 e.setHours (stre[0]);
 e.setMinutes (stre[1]);

 if (n.getTime () - b.getTime () > 0 && n.getTime () - e.getTime () < 0) {
 return true;
 } else {
 alert ("当前时间是:" + n.getHours () + ":" + n.getMinutes () + ",不在该时间范围内!");
 return false;
 }
}
time_range ("21:30", "23:30");
    作者:mdxy-dxy

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