房租管理小软件（六）：通用功能包括时间，效验，MD5加密，XML 操作
1.时间相关
public static DateTime getNow()
{
MyFZDataContext dataContext = MyFZDataContext.getDataContext();
DateTime datetime = dataContext.ExecuteQuery<DateTime>("select getdate() as datetime1").Single();
return datetime; }
//public static DateTime getSystemNow() {
// MyFZDataContext dataContext = MyFZDataContext.getDataContext();
// var v1 = from t in dataContext.T1_SystemTime
// select new
// {
// t.SystemTime
// }; // return Convert.ToDateTime(v1.Single().SystemTime);
//}
public static DateTime getMonthFirstDay(DateTime dtInter)// 本月第一天
{
DateTime dt1 = new DateTime(dtInter.Year, dtInter.Month, );
return dt1;
} public static DateTime getMonthLastDay(DateTime dtInter)// 本月最后一天
{
DateTime dt1 = new DateTime(dtInter.Year, dtInter.Month, );
dt1 = dt1.AddMonths().AddSeconds(-);
return dt1;
}
public static DateTime getNextMonthFirstDay(DateTime dtInter)// 下月第一天
{
DateTime dt1 = new DateTime(dtInter.Year, dtInter.Month, );
dt1 = dt1.AddMonths();
return dt1;
} public static int getCountMonthDay(DateTime dtInter)//本月一共多少天
{
DateTime dt1 = new DateTime(dtInter.Year, dtInter.Month, );
DateTime dt2 = dt1.AddMonths();//下月第一天
return (dt2 - dt1).Days;
}
public static int getLastMonthDay(DateTime dtInter) // 从输入时间算起，还有多少天
{
DateTime dt1 = new DateTime(dtInter.Year, dtInter.Month, dtInter.Day);//今天
DateTime dtd = new DateTime(dtInter.Year, dtInter.Month, );// 本月第一天
DateTime dtF = dtd.AddMonths();// 下月第一天
return (dtF - dt1).Days;
}
public static int getPassMonthDay(DateTime dtInter)// 1号要现在一共多少天
{
// 经过多少天
DateTime dt1 = new DateTime(dtInter.Year, dtInter.Month, );//
return (dtInter - dt1).Days; } public static String getYearMonthString(DateTime dst)
{
String year = dst.Year.ToString();
String month = dst.Month.ToString();
if (month.Length == ) { month = "" + month; }
return year + month;
} public static String getNextYearMonthString(DateTime dst)
{
DateTime dst1 = dst.AddMonths();
String year = dst1.Year.ToString();
String month = dst1.Month.ToString();
if (month.Length == ) { month = "" + month; }
return year + month;
}
public static DateTime getFirstDate(string YearMonth)
{
string year = YearMonth.Substring(, );
string month = YearMonth.Substring(, );
return DateTime.Parse(year + "-" + month + "-" + "");
}
２.效验
public void Validate_EmptyStringRule(BaseEdit control, DevExpress.XtraEditors.DXErrorProvider.DXErrorProvider dxErrorProvider1)
{
if (control.EditValue == null || control.Text.Trim().Length == )
{
dxErrorProvider1.SetError(control, "不能为空!",ErrorType.Default); control.Focus();
throw new Exception("值不能为空!");
}
else
{
dxErrorProvider1.SetError(control, "");
}
} public void Validate_EqualRule(BaseEdit control1,BaseEdit control2, DXErrorProvider dxErrorProvider1)
{
if (!control1.EditValue.Equals(control2.EditValue))
{
dxErrorProvider1.SetError(control1, "两次输入的密码不一样!", ErrorType.Default);
dxErrorProvider1.SetError(control2, "两次输入的密码不一样!", ErrorType.Default);
control1.Focus();
throw new Exception("两次输入的密码不一样!");
}
else
{
dxErrorProvider1.SetError(control1, "");
dxErrorProvider1.SetError(control2, "");
}
}
３.MD5
public class MD5Encryption
{
//申明变量
private static UInt32 A;
private static UInt32 B;
private static UInt32 C;
private static UInt32 D; //number of bits to rotate in tranforming
private const int S11 = ;
private const int S12 = ;
private const int S13 = ;
private const int S14 = ;
private const int S21 = ;
private const int S22 = ;
private const int S23 = ;
private const int S24 = ;
private const int S31 = ;
private const int S32 = ;
private const int S33 = ;
private const int S34 = ;
private const int S41 = ;
private const int S42 = ;
private const int S43 = ;
private const int S44 = ; /* F, G, H and I are basic MD5 functions.
* 四个非线性函数:
*
* F(X,Y,Z) =(X&Y)|((~X)&Z)
* G(X,Y,Z) =(X&Z)|(Y&(~Z))
* H(X,Y,Z) =X^Y^Z
* I(X,Y,Z)=Y^(X|(~Z))
*
* （&与，|或，~非，^异或）
*/
private static UInt32 F(UInt32 x, UInt32 y, UInt32 z)
{
return (x & y) | ((~x) & z);
}
private static UInt32 G(UInt32 x, UInt32 y, UInt32 z)
{
return (x & z) | (y & (~z));
}
private static UInt32 H(UInt32 x, UInt32 y, UInt32 z)
{
return x ^ y ^ z;
}
private static UInt32 I(UInt32 x, UInt32 y, UInt32 z)
{
return y ^ (x | (~z));
} /* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
* Rotation is separate from addition to prevent recomputation.
*/
private static void FF(ref UInt32 a, UInt32 b, UInt32 c, UInt32 d, UInt32 mj, int s, UInt32 ti)
{
a = a + F(b, c, d) + mj + ti;
a = a << s | a >> ( - s);
a += b;
}
private static void GG(ref UInt32 a, UInt32 b, UInt32 c, UInt32 d, UInt32 mj, int s, UInt32 ti)
{
a = a + G(b, c, d) + mj + ti;
a = a << s | a >> ( - s);
a += b;
}
private static void HH(ref UInt32 a, UInt32 b, UInt32 c, UInt32 d, UInt32 mj, int s, UInt32 ti)
{
a = a + H(b, c, d) + mj + ti;
a = a << s | a >> ( - s);
a += b;
}
private static void II(ref UInt32 a, UInt32 b, UInt32 c, UInt32 d, UInt32 mj, int s, UInt32 ti)
{
a = a + I(b, c, d) + mj + ti;
a = a << s | a >> ( - s);
a += b;
} private static void MD5_Init()
{
A = 0x67452301; //in memory, this is 0x01234567
B = 0xefcdab89; //in memory, this is 0x89abcdef
C = 0x98badcfe; //in memory, this is 0xfedcba98
D = 0x10325476; //in memory, this is 0x76543210
} private static UInt32[] MD5_Append(byte[] input)
{
int zeros = ;
int ones = ;
int size = ;
int n = input.Length;
int m = n % ;
if (m < )
{
zeros = - m;
size = n - m + ;
}
else if (m == )
{
zeros = ;
ones = ;
size = n + ;
}
else
{
zeros = - m + ;
size = n + - m + ;
} ArrayList bs = new ArrayList(input);
if (ones == )
{
bs.Add((byte)0x80); // 0x80 = $10000000
}
for (int i = ; i < zeros; i++)
{
bs.Add((byte));
} UInt64 N = (UInt64)n * ;
byte h1 = (byte)(N & 0xFF);
byte h2 = (byte)((N >> ) & 0xFF);
byte h3 = (byte)((N >> ) & 0xFF);
byte h4 = (byte)((N >> ) & 0xFF);
byte h5 = (byte)((N >> ) & 0xFF);
byte h6 = (byte)((N >> ) & 0xFF);
byte h7 = (byte)((N >> ) & 0xFF);
byte h8 = (byte)(N >> );
bs.Add(h1);
bs.Add(h2);
bs.Add(h3);
bs.Add(h4);
bs.Add(h5);
bs.Add(h6);
bs.Add(h7);
bs.Add(h8);
byte[] ts = (byte[])bs.ToArray(typeof(byte)); /* Decodes input (byte[]) into output (UInt32[]). Assumes len is
* a multiple of 4.
*/
UInt32[] output = new UInt32[size / ];
for (Int64 i = , j = ; i < size; j++, i += )
{
output[j] = (UInt32)(ts[i] | ts[i + ] << | ts[i + ] << | ts[i + ] << );
}
return output;
}
private static UInt32[] MD5_Trasform(UInt32[] x)
{ UInt32 a, b, c, d; for (int k = ; k < x.Length; k += )
{
a = A;
b = B;
c = C;
d = D; /* Round 1 */
FF(ref a, b, c, d, x[k + ], S11, 0xd76aa478); /* 1 */
FF(ref d, a, b, c, x[k + ], S12, 0xe8c7b756); /* 2 */
FF(ref c, d, a, b, x[k + ], S13, 0x242070db); /* 3 */
FF(ref b, c, d, a, x[k + ], S14, 0xc1bdceee); /* 4 */
FF(ref a, b, c, d, x[k + ], S11, 0xf57c0faf); /* 5 */
FF(ref d, a, b, c, x[k + ], S12, 0x4787c62a); /* 6 */
FF(ref c, d, a, b, x[k + ], S13, 0xa8304613); /* 7 */
FF(ref b, c, d, a, x[k + ], S14, 0xfd469501); /* 8 */
FF(ref a, b, c, d, x[k + ], S11, 0x698098d8); /* 9 */
FF(ref d, a, b, c, x[k + ], S12, 0x8b44f7af); /* 10 */
FF(ref c, d, a, b, x[k + ], S13, 0xffff5bb1); /* 11 */
FF(ref b, c, d, a, x[k + ], S14, 0x895cd7be); /* 12 */
FF(ref a, b, c, d, x[k + ], S11, 0x6b901122); /* 13 */
FF(ref d, a, b, c, x[k + ], S12, 0xfd987193); /* 14 */
FF(ref c, d, a, b, x[k + ], S13, 0xa679438e); /* 15 */
FF(ref b, c, d, a, x[k + ], S14, 0x49b40821); /* 16 */ /* Round 2 */
GG(ref a, b, c, d, x[k + ], S21, 0xf61e2562); /* 17 */
GG(ref d, a, b, c, x[k + ], S22, 0xc040b340); /* 18 */
GG(ref c, d, a, b, x[k + ], S23, 0x265e5a51); /* 19 */
GG(ref b, c, d, a, x[k + ], S24, 0xe9b6c7aa); /* 20 */
GG(ref a, b, c, d, x[k + ], S21, 0xd62f105d); /* 21 */
GG(ref d, a, b, c, x[k + ], S22, 0x2441453); /* 22 */
GG(ref c, d, a, b, x[k + ], S23, 0xd8a1e681); /* 23 */
GG(ref b, c, d, a, x[k + ], S24, 0xe7d3fbc8); /* 24 */
GG(ref a, b, c, d, x[k + ], S21, 0x21e1cde6); /* 25 */
GG(ref d, a, b, c, x[k + ], S22, 0xc33707d6); /* 26 */
GG(ref c, d, a, b, x[k + ], S23, 0xf4d50d87); /* 27 */
GG(ref b, c, d, a, x[k + ], S24, 0x455a14ed); /* 28 */
GG(ref a, b, c, d, x[k + ], S21, 0xa9e3e905); /* 29 */
GG(ref d, a, b, c, x[k + ], S22, 0xfcefa3f8); /* 30 */
GG(ref c, d, a, b, x[k + ], S23, 0x676f02d9); /* 31 */
GG(ref b, c, d, a, x[k + ], S24, 0x8d2a4c8a); /* 32 */ /* Round 3 */
HH(ref a, b, c, d, x[k + ], S31, 0xfffa3942); /* 33 */
HH(ref d, a, b, c, x[k + ], S32, 0x8771f681); /* 34 */
HH(ref c, d, a, b, x[k + ], S33, 0x6d9d6122); /* 35 */
HH(ref b, c, d, a, x[k + ], S34, 0xfde5380c); /* 36 */
HH(ref a, b, c, d, x[k + ], S31, 0xa4beea44); /* 37 */
HH(ref d, a, b, c, x[k + ], S32, 0x4bdecfa9); /* 38 */
HH(ref c, d, a, b, x[k + ], S33, 0xf6bb4b60); /* 39 */
HH(ref b, c, d, a, x[k + ], S34, 0xbebfbc70); /* 40 */
HH(ref a, b, c, d, x[k + ], S31, 0x289b7ec6); /* 41 */
HH(ref d, a, b, c, x[k + ], S32, 0xeaa127fa); /* 42 */
HH(ref c, d, a, b, x[k + ], S33, 0xd4ef3085); /* 43 */
HH(ref b, c, d, a, x[k + ], S34, 0x4881d05); /* 44 */
HH(ref a, b, c, d, x[k + ], S31, 0xd9d4d039); /* 45 */
HH(ref d, a, b, c, x[k + ], S32, 0xe6db99e5); /* 46 */
HH(ref c, d, a, b, x[k + ], S33, 0x1fa27cf8); /* 47 */
HH(ref b, c, d, a, x[k + ], S34, 0xc4ac5665); /* 48 */ /* Round 4 */
II(ref a, b, c, d, x[k + ], S41, 0xf4292244); /* 49 */
II(ref d, a, b, c, x[k + ], S42, 0x432aff97); /* 50 */
II(ref c, d, a, b, x[k + ], S43, 0xab9423a7); /* 51 */
II(ref b, c, d, a, x[k + ], S44, 0xfc93a039); /* 52 */
II(ref a, b, c, d, x[k + ], S41, 0x655b59c3); /* 53 */
II(ref d, a, b, c, x[k + ], S42, 0x8f0ccc92); /* 54 */
II(ref c, d, a, b, x[k + ], S43, 0xffeff47d); /* 55 */
II(ref b, c, d, a, x[k + ], S44, 0x85845dd1); /* 56 */
II(ref a, b, c, d, x[k + ], S41, 0x6fa87e4f); /* 57 */
II(ref d, a, b, c, x[k + ], S42, 0xfe2ce6e0); /* 58 */
II(ref c, d, a, b, x[k + ], S43, 0xa3014314); /* 59 */
II(ref b, c, d, a, x[k + ], S44, 0x4e0811a1); /* 60 */
II(ref a, b, c, d, x[k + ], S41, 0xf7537e82); /* 61 */
II(ref d, a, b, c, x[k + ], S42, 0xbd3af235); /* 62 */
II(ref c, d, a, b, x[k + ], S43, 0x2ad7d2bb); /* 63 */
II(ref b, c, d, a, x[k + ], S44, 0xeb86d391); /* 64 */ A += a;
B += b;
C += c;
D += d;
}
return new UInt32[] { A, B, C, D };
}
public static byte[] MD5Array(byte[] input)
{
MD5_Init();
UInt32[] block = MD5_Append(input);
UInt32[] bits = MD5_Trasform(block); /* Encodes bits (UInt32[]) into output (byte[]). Assumes len is
* a multiple of 4.
*/
byte[] output = new byte[bits.Length * ];
for (int i = , j = ; i < bits.Length; i++, j += )
{
output[j] = (byte)(bits[i] & 0xff);
output[j + ] = (byte)((bits[i] >> ) & 0xff);
output[j + ] = (byte)((bits[i] >> ) & 0xff);
output[j + ] = (byte)((bits[i] >> ) & 0xff);
}
return output;
} public static string ArrayToHexString(byte[] array, bool uppercase)
{
string hexString = "";
string format = "x2";
if (uppercase)
{
format = "X2";
}
foreach (byte b in array)
{
hexString += b.ToString(format);
}
return hexString;
} public static string MDString(string message)
{
char[] c = message.ToCharArray();
byte[] b = new byte[c.Length];
for (int i = ; i < c.Length; i++)
{
b[i] = (byte)c[i];
}
byte[] digest = MD5Array(b);
return ArrayToHexString(digest, false);
}
public static string MDFile(string fileName)
{
FileStream fs = File.Open(fileName, FileMode.Open, FileAccess.Read);
byte[] array = new byte[fs.Length];
fs.Read(array, , (int)fs.Length);
byte[] digest = MD5Array(array);
fs.Close();
return ArrayToHexString(digest, false);
} public static string Test(string message)
{
return "rnMD5 (" + message + ") = " + MD5Encryption.MDString(message);
}
public static string TestSuite()
{
string s = "";
s += Test("");
s += Test("a");
s += Test("abc");
s += Test("message digest");
s += Test("abcdefghijklmnopqrstuvwxyz");
s += Test("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
s += Test("");
return s;
}
}
}
4.xml
public void Serialize(Setting setting)
{
using (FileStream fs = new FileStream(strFile, FileMode.Create))
{
XmlSerializer formatter = new XmlSerializer(typeof(Setting));
formatter.Serialize(fs, setting);
}
} public Setting DeSerialize()
{ Setting setting;
using (FileStream fs = new FileStream(strFile, FileMode.Open))
{
XmlSerializer formatter = new XmlSerializer(typeof(Setting));
setting = (Setting)formatter.Deserialize(fs);
}
return setting;
}
}
房租管理小软件（六）：通用功能包括时间，效验，MD5加密，XML 操作的更多相关文章
- 房租管理小软件（七）：flowlayoutPancel 中增加分类控
见下图的 string FNodeName = dt.Rows[i]["FNodeName"].ToString(); ) { RoomControl.Thumbnail.Grou ...
- 房租管理小软件（四）：对linq的使用
1.对LInq的封装如下: private static System.Data.Linq.Mapping.MappingSource mappingSource = new AttributeMap ...
- Qt基于sqlite数据库的管理小软件
闲来无事,写了一个基于sqlite的数据库管理小软件. 先上图 中心思想就是: 创建一个数据库 然后每一个分组对应一个数据表 然后遍历该数据表.将名字以treewidgetItem显示出来.添加删除实 ...
- Kubernetes API作为权威接口，Kubernetes将成为软件的通用控制平面
1创新之处在于API这是有关 Kubernetes的两部分系列中的第一篇.第一部分是一个答案:影响Kubernetes设计的关键思想是什么?Kubernetes会将它与其他平台区分开来吗?第二部分是关 ...
- [转]3天搞定的小型B/S内部管理类软件定制开发项目【软件开发实战10步骤详解】
本文转自:http://www.cnblogs.com/jirigala/archive/2010/10/07/1845275.html 2010-10-07 21:39 by 通用C#系统架构, 5 ...
- Mac 上有哪些比较有意思的小软件？
文章素材来源:微博.新浪看点 收录于:风云社区(SCOEE)[提供mac软件下载] 更多专题,可关注小编[磨人的小妖精],查看我的文章,也可上[风云社区 SCOEE],查找和下载相关软件资源. (一) ...
- Java---设计模式app小软件汇总应用
写了一个app小软件,重点不在于软件,软件bug挺多,也没去修改. 这个小软件只是为了更好的说明和了解设计模块而做的. Java 程序设计–包结构 Java程序设计的系统体系结构很大一部分都体现在包结 ...
- Oracle数据库web维护客户端管理工具软件
TreeSoft数据库管理系统使用JAVA开发,采用稳定通用的springMVC +JDBC架构,实现基于WEB方式对 MySQL,Oracle,PostgreSQL 等数据库进行维护管理操作. 功能 ...
- 8个爽滑如丝的Windows小软件，不好用你拿王思葱砸死我
假如我说有一款软件,能顶替60款软件:还有一款软件,能顶替60个你:还有一款软件,好用到60岁你都不想它被顶替.....我知道,你不相信天是蓝的,你不相信雷的回声,你不相信梦是假的,你不相信死无报应. ...
随机推荐
- TWaver初学实战——如何在EasyUI中插入TWaver（续）
上次文章虽然简单易懂,但很有些小伙伴不满意:你这TWaver和EasyUI结合,只不过生硬地把TWaver图形插进去了,数据和人家EasyUI没一毛钱关系.嘿嘿,不就是想发生关系嘛,没问题啊!咱就还用 ...
- 1054: [HAOI2008]移动玩具 - BZOJ
Description 在一个4*4的方框内摆放了若干个相同的玩具,某人想将这些玩具重新摆放成为他心中理想的状态,规定移动时只能将玩具向上下左右四个方向移动,并且移动的位置不能有玩具,请你用最少的移动 ...
- uva 701
参考了一下http://hi.baidu.com/renxl51/item/e80b688f9f54aadd5e0ec1de 给一个数字x,求最小的正整数e,使得pow(2,e) == x*pow(1 ...
- discuz云平台报调用远程接口失败的问题分析和解决
根据网络两篇文章整理 问题描述:当开通或关闭某个云平台服务的时候,报如下错误信息:调用远程接口失败.请检查您的服务器是否处于内网以及您服务器的防火墙设置. 云平台测试站点的接口文件正常,于是开始在文件 ...
- hdu 3864 D_num
思路:给一个数n,是否只有4个约数(包括1),也就是找3个大于1的约数. 而任何一个数都可由质数表示,所以对于给定的数,只需要进行质因数分解.这里有 2种情况:如果有3个一样的质因数,则满足条件:否则 ...
- 使用JS创建表格以及隔行换色（包括隔N行换色）
<html> <head> <title></title> <style> table{ width:800px; border-colla ...
- POJ2965——The Pilots Brothers' refrigerator
The Pilots Brothers' refrigerator Description The game “The Pilots Brothers: following the stripy el ...
- redmine一键安装包下载链接
windows版本一键安装包:<bitnami-redmine-3.1.1-1-windows-installer.exe> 下载地址:http://pan.baidu.com/s/19D ...
- Java API ——Scanner类
1.Scanner类概述 JDK5以后用于获取用户的键盘输入,一个可以使用正则表达式来解析基本类型和字符串的简单文本扫描器.Scanner 使用分隔符模式将其输入分解为标记,默认情况下该分隔符模式与空 ...
- How to download apk for google play online?
http://apps.evozi.com/apk-downloader/ Online APK Downloader http://apkpure.com/ apkpure http://www.c ...