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发表于 2012-11-13 08:48:12
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1判断语句6 _5 o$ ]. m4 E7 l
if <condition> then
& ^" s P! N* a# S6 z( \$ u <statement sequence1>;
6 }8 A+ H# C, M, h" L& b elseif <condition> then
- c& w- C$ j8 @4 G2 u6 r <statement sequence2>;
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<statement sequence3>;0 @- }% J; ~5 I t, p5 y3 U) i
end;8 I: B) j o* B/ z4 `
如果分支比较多，用：& O. ^3 s3 [/ ]5 L6 K3 {; H" G
inspect <expression># K) ?% ^2 b- a: M% ^5 N
when <constant_list> then
( O1 L( J/ j1 G% j <statement sequence1>;
, S2 D2 R9 `' u, A/ `% f) e when <constant_list> then
- f* F Z3 `* Z# M, G p <statement sequence2>;+ x3 V5 _ u& ^/ }
...
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<statement sequence3>;% Z w; v1 s7 B' R2 v7 U
end;
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* K- m3 Z. J; z) p, Q# d# b& o2循环语句" z+ x7 c3 Q( W% g( o! q. L- Z
(1) from <statement sequence1>
A; h7 F/ q9 H until <condition> loop
2 _' c8 r& a# B) ^: p <statement sequence2>;% h& p4 y( J R
end;
3 A3 e, R2 A5 U% b) G5 @3 i (2) while <condition> loop
. r- l6 d" I0 x% v& r <statement sequence1>;8 f$ e" G- s1 r1 C8 o$ n
end;
4 D3 [ A, K1 |, M (3) repeat , N. w% F7 E+ o) q
<statement sequence1>;/ g6 |/ M; R7 @. u& c
until <condition>;- V8 m" H% X8 U. n+ D7 b, b
(4) for <condition> to <condition> loop
2 H* y# @/ Q0 }% q9 Q$ @ <statement sequence1>;! _5 J( _$ t4 u6 K* D! T
next;0 x/ F9 b0 c; K% X5 t; f
3中断语句
# m7 q4 T, w, p8 V9 t waituntil <condition> prio <integer expression>;
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以上为常用的函数！
: M& `! X" L( F7 w1 ?, s还有很多，如有需要我把资料发到你邮箱里
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