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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

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javascript,时间段

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");

javascript,时间段  
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