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发表于 2012-11-13 08:48:12
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1判断语句
0 J& _* w# t j; @4 s3 ^% W if <condition> then
% I7 v0 V8 Q* J- V _) A8 i% Z <statement sequence1>;, O6 Q/ \2 f- F# g/ Y; v% k
elseif <condition> then
, C0 ?! X& {7 M |- T <statement sequence2>;
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<statement sequence3>;% u8 O! a' {2 \9 A0 n& K4 L0 H) v: L0 w
end;
; e5 m6 p9 U" m) `如果分支比较多，用：- Q* v0 ^% {" d# C
inspect <expression>
5 \0 F+ O; O; ?$ W* n when <constant_list> then
' n5 `5 `6 d6 ]( N <statement sequence1>;
# U& w) o; v% A; u when <constant_list> then, w) ^% f* @$ k
<statement sequence2>;! C: X, z5 s2 M; |# |" s
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else0 V4 n' w, b" N/ p4 _
<statement sequence3>;. X" ~: j* u$ T. f4 r5 `# `, ]
end;, m7 m2 t) B$ B$ K
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2循环语句' Q1 \6 m5 p3 X8 [% D* T2 }7 E; \& ]
(1) from <statement sequence1>
8 z, `0 t. A1 a8 ~/ q# Y/ U until <condition> loop
4 a" x1 t6 P) g! z) U" b# y <statement sequence2>;3 ^0 P, O+ B8 [" A" U8 x
end;
V# I3 m+ Q+ N& i/ B2 A) | a& E) _ (2) while <condition> loop- B. q+ V) o# a. A
<statement sequence1>;/ j% O3 B) L0 k- S& h. m
end;
) e m1 w, W9 T* ^ (3) repeat 9 U% X1 E5 T, B. e( K- {8 \
<statement sequence1>;
8 e3 u2 J! K1 t" k5 I; y- c5 @ until <condition>;
/ q: L' p- u( e, v (4) for <condition> to <condition> loop$ G7 I' N3 _' |2 R
<statement sequence1>;
2 E) {) {9 T6 r$ w% l. f5 Y8 H9 h next;7 j) |( q3 J. l2 l9 \$ t v+ N
3中断语句
$ d8 e9 X; f8 v9 G/ p: | waituntil <condition> prio <integer expression>;8 H0 A$ V+ ~- t+ F$ n! `
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% C' S* x% n) B; }
以上为常用的函数！2 Q4 F% a' S# ]/ v- O+ l
还有很多，如有需要我把资料发到你邮箱里 + V, `8 t2 X) h
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