判断是不是一个正确的时间类型
/**
?* 判断是不是一个正确的时间 yyyy-MM-dd
?* @param {String} str
?* @return {Date}
?*/
Date.isSimpleDate = function(str){
?var?? reg?? =?? /^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2})$/;
??? var r = str.match(reg);
? ?if(r==null)return?? null;
? ?var?? d=?? new?? Date(r[1], r[3]-1,r[4]);
??var?? newStr=d.getFullYear() + "-";
?newStr+=(((d.getMonth()+1)<10&&r[3].length>1)?('0'+(d.getMonth()+1)):(d.getMonth()+1)) + "-" ;
?newStr+=(((d.getDate())<10 && r[4].length>1)?('0'+d.getDate()):d.getDate());
? ?if(newStr==str){
??return d;
?}else{
??return null;
?}
}
/**
?* 判断是不是一个正确的时间类型 yyyy-MM-dd hh
?* @param {Object} str
?*/
Date.isDateHH = function(str){
?var?? reg?? =?? /^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2}) (\d{1,2})$/;
??? var r = str.match(reg);
? ?if(r==null)return?? null;
? ?var?? d=?? new?? Date(r[1], r[3]-1,r[4],r[5]);
??var?? newStr=d.getFullYear() + "-";
?newStr+=(((d.getMonth()+1)<10&&r[3].length>1)?('0'+(d.getMonth()+1)):(d.getMonth()+1)) + "-" ;
?newStr+=(((d.getDate())<10 && r[4].length>1)?('0'+d.getDate()):d.getDate()) + " ";
?newStr+=((d.getHours()<10&&r[5].length>1)?('0'+d.getHours()):d.getHours());
? ?if(newStr==str){
??return d;
?}else{
??return null;
?}
}
/**
?* 判断是不是一个正确的时间类型 yyyy-MM-dd hh:mm
?* @param {String} str
?*/
Date.isDateHHMM = function(str){
?var?? reg?? =?? /^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2}) (\d{1,2}):(\d{1,2})$/;
?var?? r?? =?? str.match(reg);
?if(r==null)return?? null;
?var?? d=?? new?? Date(r[1], r[3]-1,r[4],r[5],r[6]);
?var?? newStr=d.getFullYear() + "-";
?newStr+=(((d.getMonth()+1)<10&&r[3].length>1)?('0'+(d.getMonth()+1)):(d.getMonth()+1)) + "-" ;
?newStr+=(((d.getDate())<10 && r[4].length>1)?('0'+d.getDate()):d.getDate()) + " ";
?newStr += ((d.getHours()<10&&r[5].length>1)?('0'+d.getHours()):d.getHours())+":";
?newStr += ((d.getMinutes()<10&&r[6].length>1)?('0'+d.getMinutes()):d.getMinutes());
?if(newStr==str){
??return d;
?}else{
??return null;
?}
}
/**
?* 判断是不是一个正确的时间类型 yyyy-MM-dd hh:mm:ss
?* @param {String} str
?*/
Date.isDateHHMMSS = function(str){
?var?? reg?? =?? /^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2}) (\d{1,2}):(\d{1,2}):(\d{1,2})$/;
?var?? r?? =?? str.match(reg);
?if(r==null)return?? null;
?var?? d=?? new?? Date(r[1], r[3]-1,r[4],r[5],r[6],r[7]);
?var?? newStr=d.getFullYear() + "-";
?newStr+=(((d.getMonth()+1)<10&&r[3].length>1)?('0'+(d.getMonth()+1)):(d.getMonth()+1)) + "-" ;
?newStr+=(((d.getDate())<10 && r[4].length>1)?('0'+d.getDate()):d.getDate()) + " ";
?newStr += (((d.getHours()<10&&r[5].length>1)?('0'+d.getHours()):d.getHours()))+":";
?newStr += (((d.getMinutes()<10&&r[6].length>1)?('0'+d.getMinutes()):d.getMinutes())) + ":";
?newStr += ((d.getSeconds()<10&&r[7].length>1)?('0'+d.getSeconds()):d.getSeconds());
?if(newStr==str){
??return d;
?}else{
??return null;
?}
}
/***
?* 判断是日期1是不是在日期2后面
?* @param {Date/String} d1
?* @param {Date/String} d2
?* @return {Boolean} true 小于日期2
?*/
Date.before = function(d1,d2){
?if((typeof d1 == 'object' && d1.constructor == Date) && (typeof d2 == 'object' && d2.constructor == Date)){
??if(d1<=d2){
???return true;
??}else{
???return false;
??}
?}else if((typeof d1 == 'string' && d1.constructor == String) && (typeof d2 == 'string' && d2.constructor == String)){
??var date1 = Date.isSimpleDate(d1)!=null?Date.isSimpleDate(d1):Date.isDateHH(d1);
??date1 = date1!=null?date1:Date.isDateHHMM(d1);
??date1 = date1!=null?date1:Date.isDateHHMMSS(d1);
??var date2 = Date.isSimpleDate(d2)!=null?Date.isSimpleDate(d2):Date.isDateHH(d2);
??date2 = date2!=null?date2:Date.isDateHHMM(d2)
??date2 = date2!=null?date2:Date.isDateHHMMSS(d2);
??if(date1==null||date2==null){
???alert("日期格式不正确!");
???return false;
??}
??if(date1<=date2){
???return true;
??}else{
???return false;
??}
?}else if((typeof d1 == 'string' && d1.constructor == String) && (typeof d2 == 'object' && d2.constructor == Date)){
??var date1 = Date.isSimpleDate(d1)!=null?Date.isSimpleDate(d1):Date.isDateHH(d1);
??date1 = date1!=null?date1:Date.isDateHHMM(d1);
??date1 = date1!=null?date1:Date.isDateHHMMSS(d1);
??if(date1==null||d2==null){
???alert("日期格式不正确!");
???return false;
??}
??if(date1<=d2){
???return true;
??}else{
???return false;
??}
?}else if((typeof d1 == 'object' && d1.constructor == Date) && (typeof d2 == 'string' && d2.constructor == String)){
??var date2 = Date.isSimpleDate(d2)!=null?Date.isSimpleDate(d2):Date.isDateHH(d2);
??date2 = date2!=null?date2:Date.isDateHHMM(d2)
??date2 = date2!=null?date2:Date.isDateHHMMSS(d2);
??if(d1==null||date2==null){
???alert("日期格式不正确!");
???return false;
??}
??if(d1<=date2){
???return true;
??}else{
???return false;
??}
?}else{
??alert("无法判断输入数据类型！");
??return false;
?}
}
