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发表于 2012-11-13 08:48:12
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1判断语句. V' r5 {4 A. `# S! K
if <condition> then; H4 Z9 F1 `; z
<statement sequence1>;9 ]* ]' Y3 Y' D; V
elseif <condition> then
9 G D/ r# ]: |" h. E: T <statement sequence2>;
) I4 L" [1 g, ^1 e else . \3 i# D5 C9 O
<statement sequence3>;& C% {. _7 B$ K1 P5 V. B+ q5 l
end;
- e% O2 F3 E0 ?如果分支比较多，用：; @8 V9 z8 _3 x
inspect <expression>
) i7 Y! z; Y/ T; a) d when <constant_list> then
: V9 j& P2 X( L0 a4 S <statement sequence1>;
5 B/ g/ h) t4 x) ]' P5 Z6 K when <constant_list> then& G& ^( ^1 Q7 j; _7 J" }& b
<statement sequence2>;
5 I" H! W1 q% [$ u ...
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<statement sequence3>;
3 O3 O9 X' S |2 Y: @; Iend;
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2循环语句
& }3 k! u$ K8 w- k* n$ d+ m (1) from <statement sequence1>
5 u2 V( u* y" Q C# m until <condition> loop
, ]; H3 \ ?! k* ]9 M+ w# s <statement sequence2>;- e1 c& R/ a y) \
end;
5 d9 H) X5 u1 x0 R1 S! N% d) R (2) while <condition> loop
8 X, n0 E; ]/ S+ f$ M <statement sequence1>;
; z, T3 {' w( ?; g: u; Y4 M, [ end;
& b2 F# Y5 \9 H6 P L- A (3) repeat
; W+ H$ F" B% C z <statement sequence1>;
! N9 Z) T* W4 H: y; P1 t until <condition>;
% u( [+ R5 }; E" [5 v( C (4) for <condition> to <condition> loop
( t( I$ _7 P$ y. Q. r; x <statement sequence1>;
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3中断语句
) w ^' A9 _+ X waituntil <condition> prio <integer expression>;
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以上为常用的函数！) `2 ?3 J1 ~. V) q
还有很多，如有需要我把资料发到你邮箱里 9 p1 S9 v5 {; J3 Y3 H+ ^% N
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