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发表于 2012-11-13 08:48:12
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1判断语句( Y1 F) \- O4 [' T5 V1 O
if <condition> then
c1 j( B( L! m- |% x7 o" A <statement sequence1>;
, N' U; o* I8 `1 L% T E elseif <condition> then: d. [5 l: u2 S4 Y) [8 E3 {* z$ W
<statement sequence2>;( V: B' b: H% a0 j
else % v! [% n( X7 D8 b7 \
<statement sequence3>;
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如果分支比较多，用：: x, u+ e$ W) h
inspect <expression>1 z/ R6 O* X" z* b! R; g# J
when <constant_list> then
; r+ E' o* n. X, w4 S" i <statement sequence1>;
1 S: `/ D# s3 L, H) m- N when <constant_list> then
( S6 f% z8 {! H5 J7 x) i% w; ^ C <statement sequence2>;
" U/ R. L9 T+ l, c0 e" e7 W# U7 m3 e ...
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<statement sequence3>;
- m2 y% m' i: f: d' hend;
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2循环语句
8 Z# s8 M$ j3 k% I3 _& b (1) from <statement sequence1>
5 y$ Z4 g) K* H: Z, i until <condition> loop
- w/ S7 m# i$ O- a <statement sequence2>;
/ D+ H9 k! g0 \( a! x$ H( z% R end;
6 H" Q0 f6 S3 r8 `- C0 c& z7 l/ { (2) while <condition> loop! A/ I& H7 t0 y4 ?3 p/ f5 _, \
<statement sequence1>;/ p% m& @1 f. K% x
end;& U8 v7 V, f3 m8 ]0 I' `4 t
(3) repeat
& L' h* _( G3 ?8 | A <statement sequence1>;
- @* V& |: y0 v until <condition>;
& }& A/ C* l& R7 |' _ (4) for <condition> to <condition> loop$ D1 ^2 W. W3 i- S' n: U
<statement sequence1>;9 y0 C' }; z, y3 u- A9 V
next;
4 h4 M5 Z: F, E1 N: Q# K3中断语句7 \5 }! {/ ^& K W& f9 W8 |
waituntil <condition> prio <integer expression>;
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9 M& T7 K3 E. y$ N6 a- o以上为常用的函数！
7 h- Y2 \9 z6 y& p# ]* p5 x7 I还有很多，如有需要我把资料发到你邮箱里 4 B6 d) m* R0 H( ]: M( l; r! M
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