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星鸿娱乐平台:JavaScript实现字符串与日期的互相

  

[JavaScript,日期,字符串,转换,格式化]JavaScript实现字符串与日期的互相转换及日期的格式化

  

字符串转日期、日期转字符串  

  
  
  // 2014-02-25  /**  * 字符串转时间(yyyy-MM-dd HH:mm:ss)  * result (分钟)  */  stringToDate : function(fDate){  var fullDate = fDate.split("-");  return new Date(fullDate[0], fullDate[1]-1, fullDate[2], 0, 0, 0);  }  /**  * 格式化日期  * @param date 日期  * @param format 格式化样式,例如yyyy-MM-dd HH:mm:ss E  * @return 格式化后的金额  */  formatDate : function (date, format) {  var v = "";  if (typeof date == "string" || typeof date != "object") {  return;  }  var year  = date.getFullYear();  var month  = date.getMonth()+1;  var day   = date.getDate();  var hour  = date.getHours();  var minute = date.getMinutes();  var second = date.getSeconds();  var weekDay = date.getDay();  var ms   = date.getMilliseconds();  var weekDayString = "";  if (weekDay == 1) {  weekDayString = "星期一";  } else if (weekDay == 2) {  weekDayString = "星期二";  } else if (weekDay == 3) {  weekDayString = "星期三";  } else if (weekDay == 4) {  weekDayString = "星期四";  } else if (weekDay == 5) {  weekDayString = "星期五";  } else if (weekDay == 6) {  weekDayString = "星期六";  } else if (weekDay == 7) {  weekDayString = "星期日";  }  v = format;  //Year  v = v.replace(/yyyy/g, year);  v = v.replace(/YYYY/g, year);  v = v.replace(/yy/g, (year+"").substring(2,4));  v = v.replace(/YY/g, (year+"").substring(2,4));  //Month  var monthStr = ("0"+month);  v = v.replace(/MM/g, monthStr.substring(monthStr.length-2));  //Day  var dayStr = ("0"+day);  v = v.replace(/dd/g, dayStr.substring(dayStr.length-2));  //hour  var hourStr = ("0"+hour);  v = v.replace(/HH/g, hourStr.substring(hourStr.length-2));  v =星鸿娱乐平台 v.replace(/hh/g, hourStr.substring(hourStr.length-2));  //minute  var minuteStr = ("0"+minute);  v = v.replace(/mm/g, minuteStr.substring(minuteStr.length-2));  //Millisecond  v = v.replace(/sss/g, ms);  v = v.replace(/SSS/g, ms);  //second  var secondStr = ("0"+second);  v = v.replace(/ss/g, secondStr.substring(secondStr.length-2));  v = v.replace(/SS/g, secondStr.substring(secondStr.length-2));  //weekDay  v = v.replace(/E/g, weekDayString);  return v;  }  // dateValue=2014-02-28  var cDate = _STAGE.stringToDate(dateValue);  cDate.setDate(cDate.getDate()+1);  currentDate = jAnXin.util.formatDate(cDate, "yyyy-MM-dd");  console.log(currentDate ); // 2014-03-01  
  
  

  

  

正则替换日期并格式化日期  

  

转数字型:  
  

  
  
  ar ttDate = "2013年12月20日 14:20:20";  ttDate = ttDate.replace(/[^0-9]/mg, '').match(/.{8}/);  alert(ttDate);
  
  

结果:  
  

  
  
  20131220 
  
  

转日期型:  
  

  
  
  var ttDate = "2013年12月20日 14:20:20";  ttDate = ttDate.match(/\d{4}.\d{1,2}.\d{1,2}/mg).toString();  ttDate = ttDate.replace(/[^0-9]/mg, '-');  alert(ttDate);  
  
  

结果:  
  

  
  
  2013-12-20  
  
  

超级正则替换:  
  

  
  
  var ttDate = "2013年12月20日 14:20:20";  ttDate = ttDate.replace(/(\d{4}).(\d{1,2}).(\d{1,2}).+/mg, '$1-$2-$3');  alert(ttDate);  
  
  

结果:  
  

  
  
  2013-12-20 
  
  

  

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