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July 17, 2017 07:57
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parse date with format
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function parseDate(date,format) { | |
var year=0,month=0,day=0,hour=0,minute=0,seconds=0; | |
function toNumber(n){ | |
if(n == ''){ | |
return -1; | |
} | |
return Number(n); | |
} | |
function yearSetter(y,p){ | |
if(y<1000){ | |
y+=2000; | |
}else if(y<1899){ | |
return false; | |
} | |
year = y; | |
return true; | |
} | |
function monthSetter(m,p){ | |
if(m<1||m>12){ | |
return false; | |
} | |
month = m-1; | |
return true; | |
} | |
function daySetter(d,p){ | |
if(d<1||d>31){ | |
return false; | |
} | |
day = d; | |
return true; | |
} | |
function hourSetter(h,p){ | |
if(h<0||h>23){ | |
return false; | |
} | |
hour=h; | |
return true; | |
} | |
function minuteSetter(m,p){ | |
if(m<0||m>59){ | |
return false; | |
} | |
minute=m; | |
return true; | |
} | |
function secondsSetter(s,p){ | |
if(s<0||s>59){ | |
return false; | |
} | |
seconds=s; | |
return true; | |
} | |
var setterMap = { | |
"y":yearSetter, | |
"yy":yearSetter, | |
"yyy":yearSetter, | |
"yyyy":yearSetter, | |
"M":monthSetter, | |
"MM":monthSetter, | |
"d":daySetter, | |
"dd":daySetter, | |
"h":hourSetter, | |
"hh":hourSetter, | |
"H":hourSetter, | |
"HH":hourSetter, | |
"m":minuteSetter, | |
"mm":minuteSetter, | |
"s":secondsSetter, | |
"ss":secondsSetter | |
}; | |
var split='-'; | |
var length = format.length; | |
for (var index = 0; index < length; index++) { | |
var element = format[index]; | |
if(setterMap[element]) continue; | |
if(date.indexOf(element)>=0){ | |
date=date.replace(element,split); | |
format=format.replace(element,split); | |
} | |
} | |
var formatArray = format.split(split); | |
var dateArray = date.split(split); | |
for(var i=0;i<formatArray.length;i++){ | |
var part=formatArray[i]; | |
if(!part) continue; | |
var setter = setterMap[part]; | |
if(setter){ | |
var num = toNumber(dateArray[i]); | |
if(num>=0){ | |
if(setter(num,part)){ | |
continue; | |
} | |
} | |
} | |
return null; | |
} | |
return new Date(year,month,day,hour,minute,seconds); | |
} | |
var f="dd-MM-yyyy hh:mm:ss"; | |
var d="31-7-17 0:59:59"; | |
var date = parseDate(d,f); | |
var y= date.getFullYear(); | |
var m= date.getMonth(); | |
var d= date.getDate(); | |
var h= date.getHours(); | |
var min= date.getMinutes(); | |
var s= date.getSeconds(); |
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