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发表于 2012-11-13 08:48:12
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1判断语句
; T# a6 a. S0 R7 t" @" i+ j if <condition> then0 h3 R" k8 l( _" ]; o! l
<statement sequence1>;
$ B1 M; H0 g$ h+ O4 s9 A9 X6 E elseif <condition> then2 g# l0 U9 e9 n4 Z& b5 e
<statement sequence2>;( j; C3 p* X3 ^7 i; L' o: G
else
# {/ ^3 h' Y. h' T5 W0 h; f/ x; l& l7 b <statement sequence3>;6 n! d9 a; B0 D4 ]
end;4 s6 u4 K9 a' K) N1 y0 C
如果分支比较多,用:6 d2 R8 Q8 @8 Y
inspect <expression>
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<statement sequence1>;
; s$ q1 O2 c. e$ S$ z, O when <constant_list> then. M- d- r* v7 |1 N
<statement sequence2>;, b C- r6 V) n- [& q6 h! |* i
...- `, Y# g% }/ y% H6 }5 X7 X
else
6 l1 T( C. t& d% ] <statement sequence3>;
- F5 D3 Q: T2 m) f4 Qend;( X# v @7 k% l3 a" k% j7 u U x8 \
3 y1 G8 h* A7 E2循环语句
! p3 X8 C9 ^' p1 l( Z0 R$ M+ _ (1) from <statement sequence1> k" h+ [/ G* O Q5 U/ a. B8 h
until <condition> loop" A1 \3 z8 q5 Z# k
<statement sequence2>;
6 v+ B7 Y6 E" ~* {! @% C end;) S9 P8 G" E# O9 a8 p; r' A* |
(2) while <condition> loop
6 Q. P: Q5 D2 ~$ s; z <statement sequence1>;2 M1 \. V, j6 f ~
end;) @: r7 ?' _$ c8 n3 Q3 F. f
(3) repeat
$ }; G) O2 E3 j <statement sequence1>;/ S$ \0 x$ {8 Q1 `% W' V2 r
until <condition>;
2 Q0 X5 _1 k$ X9 Y% m$ ]! ^) t6 W (4) for <condition> to <condition> loop0 s0 P& e; C; ^9 o
<statement sequence1>;
6 i" b% y" C5 n) q next;
; v2 ?8 H& Y; I; n7 E/ f( L/ h# b3中断语句6 `" y0 C8 k4 S" }) i. k
waituntil <condition> prio <integer expression>;/ w9 [1 D. ]7 l1 R$ Q x
5 c! g7 Y2 q* g' y& L
+ N5 M* x( S* e2 n. x以上为常用的函数!% s- b" `7 E* `4 q
还有很多,如有需要我把资料发到你邮箱里
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