62,074
社区成员
发帖
与我相关
我的任务
分享
function trim(str)
{
if (!str) return "";
return str.replace(/(^\s*)|(\s*$)/g, "");
}
function CheckDate(str)
{
str = trim(str);
var reg1 = /^(\d{4})-(\d{1,2})-(\d{1,2}) (\d{1,2}):(\d{1,2}):(\d{1,2})$/;
var r1 = str.match(reg1);
var reg2 = /^(\d{4})\/(\d{1,2})\/(\d{1,2}) (\d{1,2}):(\d{1,2}):(\d{1,2})$/;
var r2 = str.match(reg2);
var reg3 = /^(\d{4})-(\d{1,2})-(\d{1,2})$/;
var r3 = str.match(reg3);
var reg4 = /^(\d{4})\/(\d{1,2})\/(\d{1,2})$/;
var r4 = str.match(reg4);
if(r1==null && r2==null && r3==null && r4==null) return false;
str = str.replace(/\//g, "-");
var r, d;
if(r1!=null || r2!=null)
r = str.match(reg1);
else
r = str.match(reg3);
r[2] = r[2] - 1;
for(var i=1; i<r.length; i++)
{
r[i] = parseInt(r[i]);
}
if(r.length == 4)
d = new Date(r[1], r[2], r[3]);
else
{
d = new Date(r[1], r[2], r[3], r[4], r[5], r[6]);
if(d.getHours() != r[4]) return false;
if(d.getMinutes() != r[5]) return false;
if(d.getSeconds() != r[6]) return false;
}
if(d.getFullYear() != r[1]) return false;
if(d.getMonth() != r[2]) return false;
if(d.getDate() != r[3]) return false;
return true;
}
/*
// Regex Example in JavaScript
// Rainsome Studio
// 2009-06-01 in Shanghai
*/
<!--//
function ChkDateTimeFormat(strDT)
{
var regex = /^(\d{4})\-((?:1[0-2])|(?:0(?!0)\d))\-((?:3[01])|(?:[12]\d)|(?:0(?!0)\d)) (?:(?:2[0-3])|(?:[01]\d))(\:[0-5]\d){2}$/i;
if(!regex.test(strDT))return false;
var year=RegExp.$1-0,month=RegExp.$2-0,day=RegExp.$3-0;
var blResult=true;
switch(month){
case 1:;case 3:;case 5:;case 7:;case 8:;case 10:;case 12:
if(day>31) blResult=false;
break;
case 4:;case 6:;case 9:;case 11:
if(day>30) blResult=false;
break;
case 2:
if(year%400!=0&&year%4!=0){
if(day>28) blResult=false;
}else{
if(day>29) blResult=false;
}
break;
}
return blResult;
}
function CheckDate(str)
{
str = trim(str);
var reg1 = /^(\d{4})-(\d{1,2})-(\d{1,2}) (\d{1,2}):(\d{1,2}):(\d{1,2})$/;
var r1 = str.match(reg1);
var reg2 = /^(\d{4})\/(\d{1,2})\/(\d{1,2}) (\d{1,2}):(\d{1,2}):(\d{1,2})$/;
var r2 = str.match(reg2);
var reg3 = /^(\d{4})-(\d{1,2})-(\d{1,2})$/;
var r3 = str.match(reg3);
var reg4 = /^(\d{4})\/(\d{1,2})\/(\d{1,2})$/;
var r4 = str.match(reg4);
if(r1==null && r2==null && r3==null && r4==null) return false;
str = str.replace(/\//g, "-");
var r, d;
if(r1!=null || r2!=null)
r = str.match(reg1);
else
r = str.match(reg3);
r[2] = r[2] - 1;
for(var i=1; i<r.length; i++)
{
r[i] = parseInt(r[i]);
}
if(r.length == 4)
d = new Date(r[1], r[2], r[3]);
else
{
d = new Date(r[1], r[2], r[3], r[4], r[5], r[6]);
if(d.getHours() != r[4]) return false;
if(d.getMinutes() != r[5]) return false;
if(d.getSeconds() != r[6]) return false;
}
if(d.getFullYear() != r[1]) return false;
if(d.getMonth() != r[2]) return false;
if(d.getDate() != r[3]) return false;
return true;
}
// This code example demonstrates the String.Format() method.
// Formatting for this example uses the "en-US" culture.
using System;
class Sample
{
enum Color {Yellow = 1, Blue, Green};
static DateTime thisDate = DateTime.Now;
public static void Main()
{
// Store the output of the String.Format method in a string.
string s = "";
Console.Clear();
// Format a negative integer or floating-point number in various ways.
Console.WriteLine("Standard Numeric Format Specifiers");
s = String.Format(
"(C) Currency: . . . . . . . . {0:C}\n" +
"(D) Decimal:. . . . . . . . . {0:D}\n" +
"(E) Scientific: . . . . . . . {1:E}\n" +
"(F) Fixed point:. . . . . . . {1:F}\n" +
"(G) General:. . . . . . . . . {0:G}\n" +
" (default):. . . . . . . . {0} (default = 'G')\n" +
"(N) Number: . . . . . . . . . {0:N}\n" +
"(P) Percent:. . . . . . . . . {1:P}\n" +
"(R) Round-trip: . . . . . . . {1:R}\n" +
"(X) Hexadecimal:. . . . . . . {0:X}\n",
-123, -123.45f);
Console.WriteLine(s);
// Format the current date in various ways.
Console.WriteLine("Standard DateTime Format Specifiers");
s = String.Format(
"(d) Short date: . . . . . . . {0:d}\n" +
"(D) Long date:. . . . . . . . {0:D}\n" +
"(t) Short time: . . . . . . . {0:t}\n" +
"(T) Long time:. . . . . . . . {0:T}\n" +
"(f) Full date/short time: . . {0:f}\n" +
"(F) Full date/long time:. . . {0:F}\n" +
"(g) General date/short time:. {0:g}\n" +
"(G) General date/long time: . {0:G}\n" +
" (default):. . . . . . . . {0} (default = 'G')\n" +
"(M) Month:. . . . . . . . . . {0:M}\n" +
"(R) RFC1123:. . . . . . . . . {0:R}\n" +
"(s) Sortable: . . . . . . . . {0:s}\n" +
"(u) Universal sortable: . . . {0:u} (invariant)\n" +
"(U) Universal sortable: . . . {0:U}\n" +
"(Y) Year: . . . . . . . . . . {0:Y}\n",
thisDate);
Console.WriteLine(s);
// Format a Color enumeration value in various ways.
Console.WriteLine("Standard Enumeration Format Specifiers");
s = String.Format(
"(G) General:. . . . . . . . . {0:G}\n" +
" (default):. . . . . . . . {0} (default = 'G')\n" +
"(F) Flags:. . . . . . . . . . {0:F} (flags or integer)\n" +
"(D) Decimal number: . . . . . {0:D}\n" +
"(X) Hexadecimal:. . . . . . . {0:X}\n",
Color.Green);
Console.WriteLine(s);
}
}
/*
This code example produces the following results:
Standard Numeric Format Specifiers
(C) Currency: . . . . . . . . ($123.00)
(D) Decimal:. . . . . . . . . -123
(E) Scientific: . . . . . . . -1.234500E+002
(F) Fixed point:. . . . . . . -123.45
(G) General:. . . . . . . . . -123
(default):. . . . . . . . -123 (default = 'G')
(N) Number: . . . . . . . . . -123.00
(P) Percent:. . . . . . . . . -12,345.00 %
(R) Round-trip: . . . . . . . -123.45
(X) Hexadecimal:. . . . . . . FFFFFF85
Standard DateTime Format Specifiers
(d) Short date: . . . . . . . 6/26/2004
(D) Long date:. . . . . . . . Saturday, June 26, 2004
(t) Short time: . . . . . . . 8:11 PM
(T) Long time:. . . . . . . . 8:11:04 PM
(f) Full date/short time: . . Saturday, June 26, 2004 8:11 PM
(F) Full date/long time:. . . Saturday, June 26, 2004 8:11:04 PM
(g) General date/short time:. 6/26/2004 8:11 PM
(G) General date/long time: . 6/26/2004 8:11:04 PM
(default):. . . . . . . . 6/26/2004 8:11:04 PM (default = 'G')
(M) Month:. . . . . . . . . . June 26
(R) RFC1123:. . . . . . . . . Sat, 26 Jun 2004 20:11:04 GMT
(s) Sortable: . . . . . . . . 2004-06-26T20:11:04
(u) Universal sortable: . . . 2004-06-26 20:11:04Z (invariant)
(U) Universal sortable: . . . Sunday, June 27, 2004 3:11:04 AM
(Y) Year: . . . . . . . . . . June, 2004
Standard Enumeration Format Specifiers
(G) General:. . . . . . . . . Green
(default):. . . . . . . . Green (default = 'G')
(F) Flags:. . . . . . . . . . Green (flags or integer)
(D) Decimal number: . . . . . 3
(X) Hexadecimal:. . . . . . . 00000003
*/