Kochan

常量1234567891011121314151617181920212223/// <summary>/// Const/// 描 述：常量/// </summary>public static class Const{ /// <summary> /// 汉字及拼音首字母 /// </summary> public const string ChinesePinYin = "丂k丄s丅x丆m丏m丒c丗s丢d丠q両l丣y并b丩j丮j丯j丱g丳c丵z丷b丼j乀f乁y讈l乆j乑y乕h乗c乚h乛w乢g乣j乤h乧d乨s乪n乫g乬g乭d乮m乯o乲c乴x乵y乶p乷s乸n乹q乺s乻e乼z乽z乿z亀g亁q乱l亃l亄y亅j亇m亊s亐y亖s亗s亘g亜y亝q亚y亣d亪y亯x亰j亱y亴y亶d亷l亸d亹m亼j亽j亾w仈b仌b仏f仐j仒e仚x仛t仜h仢b仦c仧c仩c仭r仮f仯c仱q仴w仸y仹f仺c仼w仾d伀z伂p伃y伄d伅d伆w伇y伈x汲j伌a伒j伓p伔d伖t伜c伝y伡c伣q伨x伩x伬c伭x伮n伱n伳x伵x伷z伹q...

加密、解密帮助类12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091/// <summary>/// DESEncrypt/// 描 述：加密、解密帮助类/// </summary>public class DESEncrypt{ private static string key = "learun###***"; #region ========加密======== /// <summary> /// 加密 /// </summary> /// <param name="Text">需要加密的内容</param> /// &l...

邮件收发1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002...

文件下载1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002...

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120...

验证123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566/// <summary>/// Extensions.Validate/// 描 述：验证扩展/// </summary>public static partial class Extensions{ /// <summary> /// 检测空值,为null则抛出ArgumentNullException异常 /// </summary> /// <param name="obj">对象</param> /// <param name="parameterName">参数名</param> public static void CheckNull(thi...

可空类型1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859/// <summary>/// Extensions.Nullable/// 扩展 - 可空类型/// </summary>public static partial class Extensions{ /// <summary> /// 安全返回值 /// </summary> /// <param name="value">可空值</param> public static T SafeValue<T>(this T? value) where T : struct { return value ?? default(T); } /// <summary...

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475/// <summary>/// Extensions.Json/// 描 述：扩展.json序列反序列化/// </summary>public static partial class Extensions{ /// <summary> /// 转成json对象 /// </summary> /// <param name="Json">json字串</param> /// <returns></returns> public static object ToJson(this string Json) { r...

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137/// <summary>/// Extensions.DateTime/// 日期时间扩展/// </summary>public static partial class Extensions{ /// <summary> /// 获取格式化字符串，带时分秒，格式："yyyy-MM-dd HH:mm:ss"...

方法 描述 数值转换 —————————————— int ToInt(this object data) 转换为整型 int? ToIntOrNull(this object data) 转换为可空整型 double ToDouble(this object data) 转换为双精度浮点数 double ToDouble(this object data, int digits) 转换为双精度浮点数,并按指定的小数位4舍5入 double? ToDoubleOrNull(this object data) 转换为可空双精度浮点数 decimal ToDecimal(this object data) 转换为高精度浮点数 decimal ToDecimal(this object data, int digits) 转换为高精度浮点数,并按指定的小数位4舍5入 decimal? ToDecimalOrNull(this object data) 转换为可空高精度浮点数 decimal? ToDecimalOrNull(this ...