--(此函数部分思路参考了CSDN上大力的转换函数) --邹建2005.01(引用请保留此信息)--*/ Go --创建函数 create function SBC2DBC ( @str nvarchar(4000), --要转换的字符串 @flag bit --转换标志,0转换成半角,1转换成全角 ) returns nvarchar(4000) as begin declare @pat nvarchar(8),@step int,@i int,@spc int if @flag=0 select @pat=N'%[！-～]%',@step=-65248,@str=replace(@str,N' ',N' ') else select @pat=N'%[!-~]%',@step=65248,@str=replace(@str,N' ',N' ') set @i=patindex(@pat collate latin1_general_bin,@str) while @i>0 select @str=replace(@str,substring(@str,@i,1),nchar(unicode(substring(@str,@i,1))+@step)) ,@i=patindex(@pat collate latin1_general_bin,@str) return(@str) end --测试示例 select dbo.SBC2DBC('~~~~ca!b',1) --运行结果 /* ～～～～ｃａ！ｂ */ --附半角全角表 /* ASCII 全角字符 Unicode 半角字符 Unicode 0x20 " "空格U+3000 " "空格U+0020 0x21 ！U+ff01 ! U+0021 0x22 ＂U+ff02 " U+0022 0x23 ＃U+ff03 # U+0023 0x24 ＄U+ff04 $ U+0024 0x25 ％U+ff05 % U+0025 0x26 ＆U+ff06 & U+0026 0x27 ＇U+ff07 ' U+0027 0x28 （U+ff08 ( U+0028 0x29 ）U+ff09 ) U+0029 0x2a ＊U+ff0a * U+002a 0x2b ＋U+ff0b + U+002b 0x2c ，U+ff0c , U+002c 0x2d －U+ff0d - U+002d 0x2e ．U+ff0e . U+002e 0x2f ／U+ff0f / U+002f 0x30 ０U+ff10 0 U+0030 0x31 １U+ff11 1 U+0031 0x32 ２U+ff12 2 U+0032 0x33 ３U+ff13 3 U+0033 0x34 ４U+ff14 4 U+0034 0x35 ５U+ff15 5 U+0035 0x36 ６U+ff16 6 U+0036 0x37 ７U+ff17 7 U+0037 0x38 ８U+ff18 8 U+0038 0x39 ９U+ff19 9 U+0039 0x3a ：U+ff1a : U+003a 0x3b ；U+ff1b ; U+003b 0x3c ＜U+ff1c < U+003c 0x3d ＝U+ff1d = U+003d 0x3e ＞U+ff1e > U+003e 0x3f ？U+ff1f ? U+003f 0x40 ＠U+ff20 @ U+0040 0x41 ＡU+ff21 A U+0041 0x42 ＢU+ff22 B U+0042 0x43 ＣU+ff23 C U+0043 0x44 ＤU+ff24 D U+0044 0x45 ＥU+ff25 E U+0045 0x46 ＦU+ff26 F U+0046 0x47 ＧU+ff27 G U+0047 0x48 ＨU+ff28 H U+0048 0x49 ＩU+ff29 I U+0049 0x4a ＪU+ff2a J U+004a 0x4b ＫU+ff2b K U+004b 0x4c ＬU+ff2c L U+004c 0x4d ＭU+ff2d M U+004d 0x4e ＮU+ff2e N U+004e 0x4f ＯU+ff2f O U+004f 0x50 ＰU+ff30 P U+0050 0x51 ＱU+ff31 Q U+0051 0x52 ＲU+ff32 R U+0052 0x53 ＳU+ff33 S U+0053 0x54 ＴU+ff34 T U+0054 0x55 ＵU+ff35 U U+0055 0x56 ＶU+ff36 V U+0056 0x57 ＷU+ff37 W U+0057 0x58 ＸU+ff38 X U+0058 0x59 ＹU+ff39 Y U+0059 0x5a ＺU+ff3a Z U+005a 0x5b ［U+ff3b [ U+005b 0x5c ＼U+ff3c / U+005c 0x5d ］U+ff3d ] U+005d 0x5e ＾U+ff3e ^ U+005e 0x5f ＿U+ff3f _ U+005f 0x60 ｀U+ff40 ` U+0060 0x61 ａU+ff41 a U+0061 0x62 ｂU+ff42 b U+0062 0x63 ｃU+ff43 c U+0063 0x64 ｄU+ff44 d U+0064 0x65 ｅU+ff45 e U+0065 0x66 ｆU+ff46 f U+0066 0x67 ｇU+ff47 g U+0067 0x68 ｈU+ff48 h U+0068 0x69 ｉU+ff49 i U+0069 0x6a ｊU+ff4a j U+006a 0x6b ｋU+ff4b k U+006b 0x6c ｌU+ff4c l U+006c 0x6d ｍU+ff4d m U+006d 0x6e ｎU+ff4e n U+006e 0x6f ｏU+ff4f o U+006f 0x70 ｐU+ff50 p U+0070 0x71 ｑU+ff51 q U+0071 0x72 ｒU+ff52 r U+0072 0x73 ｓU+ff53 s U+0073 0x74 ｔU+ff54 t U+0074 0x75 ｕU+ff55 u U+0075 0x76 ｖU+ff56 v U+0076 0x77 ｗU+ff57 w U+0077 0x78 ｘU+ff58 x U+0078 0x79 ｙU+ff59 y U+0079 0x7a ｚU+ff5a z U+007a 0x7b ｛U+ff5b { U+007b 0x7c ｜U+ff5c | U+007c 0x7d ｝U+ff5d } U+007d 0x7e ～U+ff5e ~ U+007e */