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建立新的限制表
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: h4 V2 r8 v, W6 v* |* ?- CREATE TABLE illegal_character_names (partial_name varchar(30))
复制代码 建立新的函数
5 z1 f5 A+ J O9 ]& }1 m- <span style="color: rgb(28, 31, 35); font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: medium; white-space: pre; background-color: rgb(255, 255, 255);">CREATE FUNCTION dbo.check_valid_character_name (. Y" e8 U! h g3 S) l' b$ C8 p& f
- @character_name NVARCHAR(40), w' h0 i! y" d; x- u9 V, ]' g; f
- )2 h& P2 R1 L( Z$ Y' _
- RETURNS TINYINT
' b3 ~+ O& a% y - AS
9 O& N4 z9 l9 o6 c - BEGIN
' C4 J3 W& j. f) T - DECLARE @result TINYINT = 0;
5 }9 F6 r- D* c$ C - DECLARE @char NVARCHAR(1);
! d2 _+ }0 R( S& D8 ?4 _; R; c1 R - DECLARE @i INT = 1;- }. s9 f: E; ~& O9 d( \+ O2 D z
- 4 z) A2 o3 Q8 J* v( L# Q
- -- 遍历每个字符,检查是否合法
" M0 \% d5 w2 Y4 { - WHILE @i <= LEN(@character_name)
5 }: i' k# F* {+ A" O - BEGIN+ ]; G, D; Y- V d/ r7 N+ ^) @5 y; r
- SET @char = SUBSTRING(@character_name, @i, 1);
" r2 q, h8 Y- Y/ Z1 r/ h! @ -
. ~6 r0 a: w$ a - -- 检查是否为中文、英文、数字或允许的特殊符号
2 g$ w U; ?2 Y8 l* Y - IF NOT (4 N' Q* T) W \; e) _
- -- 中文字符范围 (基本多文种平面)
, ?1 r% H0 {1 h) w# R - UNICODE(@char) BETWEEN 0x4E00 AND 0x9FFF OR
: {$ N: _" G* [3 s - -- 英文字母和数字
1 }# |! I7 P- K2 I - @char LIKE '[a-zA-Z0-9]' OR
2 s" y/ o/ |8 F - -- 允许的特殊符号, Q3 e, @) i# @" {/ @# O1 B$ S8 j: r
- @char LIKE '[_ -]'
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- BEGIN6 w l y1 ]6 ]% x
- SET @result = 1;' _6 a _9 {% f% `0 v, J" t
- BREAK;
5 q2 o+ F! o9 g2 p - END
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4 l! K# Y3 }/ W - SET @i = @i + 1;
- q# m7 d% `) r& N: t) S- { - END;
- t5 O3 O7 X7 @6 h0 y# O, E - " ^% d/ K/ J7 z& X* B0 H
- -- 检查是否在非法名称列表中
# Y. S1 g* s( n( X) `: G: x2 O" V - IF EXISTS ( T1 z4 t( g/ }" Q- ?, }
- SELECT 1 ?# B- {# j7 g' P
- FROM dbo.illegal_character_names " E* r+ T" \% a; U: @
- WHERE @character_name LIKE '%' + partial_name + '%'5 p% D8 ~, b2 o5 Y& e
- )" R( {% X. D4 u- z R5 F
- SET @result = 1; G# ?1 @6 X9 A) v% R) b5 E- z
-
; w: @. Q( Q: |( h - RETURN @result;7 |4 I0 @ q9 j8 @; e1 H! O
- END</span>
* \; U, ~$ ^5 g& ?
复制代码 插入屏蔽的字符 a3 S F) F {3 ]1 H* e
- -- 插入非法名称列表(明确列名并使用N前缀)
! O' C# g% c! J6 C1 g- Q - INSERT INTO dbo.illegal_character_names (partial_name) VALUES (N'%****%');
: W% d% E2 K1 w6 [4 w - INSERT INTO dbo.illegal_character_names (partial_name) VALUES (N'%nigg%');
3 X& m; E% F& |$ |* F2 k - INSERT INTO dbo.illegal_character_names (partial_name) VALUES (N'%wank%');
% e @) O% D1 P - INSERT INTO dbo.illegal_character_names (partial_name) VALUES (N'%whore%');
# r7 R8 A4 v+ f$ O `: }1 ~: v) ~
2 n$ V: A5 V3 k5 f- -- 示例:查询包含敏感词的角色名
; B* y; ~8 r- V - SELECT * $ H# h; X# H9 {) A. V
- FROM dbo.characters
% ~& }/ x* k& G - WHERE EXISTS (
! F2 ^" M, n' {( L7 h - SELECT 1
) b- g& k& z" F( Y G4 d! y - FROM dbo.illegal_character_names ) a/ o6 ^ c; X8 r( l. L6 o6 k) t
- WHERE characters.name LIKE N'%' + illegal_character_names.partial_name + N'%'8 C: N( L5 C4 h
- );
复制代码 修改储存过程 SP_CHAR_CREATE 里面数据2 {5 i# c6 Y: ]' Z& B2 L: _! c
原始为:
' M0 ^0 e9 `( [: O2 l* @- EXEC sp_char_name_check @character_name, @v_ret OUTPUT
$ v8 e% q+ e+ t# ?. z6 M, `: {$ H3 T
9 l0 O2 M# O6 S- IF @v_ret < 0 ; d% ]: @/ y3 \0 `: T+ n1 \0 O
- BEGIN5 U. e$ B. i& }* D
- SET @sp_rtn = @v_ret* ^; Q1 s S, D* C
- RETURN
. K1 x# I; B9 \) }& | - END
复制代码 修改为:
& T, ]# J+ B6 B8 \5 P- IF (dbo.NameBlock(@character_name) = 1)
* m, T6 r3 |. i7 w) I - BEGIN
+ @; L/ G% \- a - SET @sp_rtn = -12
) N; K* O! i; }9 }3 G - RETURN3 D( d. V+ L6 B5 G3 }6 |6 m
- END
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