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发表于 2012-11-13 08:48:12
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1判断语句" F' d' c( I5 r4 ?: ]7 S
if <condition> then2 ?# v) `' W' R- d0 A( b
<statement sequence1>;2 v7 e& J1 x8 S. e& s
elseif <condition> then B4 o. L. _' s& w% _ n' v
<statement sequence2>;4 S/ A1 i8 H' m9 [+ p! a% f; n) s
else
' i& T7 x) d4 t" t8 ^: y3 { <statement sequence3>;
7 {/ s. O! O, j7 P9 d$ B end;
8 D# n# U) n7 v& A. H" T如果分支比较多，用：
. i5 Z/ p( O9 W1 \- o; F1 i inspect <expression>
* Q: e3 p" l) f. Z5 K& U5 D- g when <constant_list> then: Y+ f9 I2 w. W. n, j) z) h
<statement sequence1>;2 _# v) }$ _" s. @. x$ L: f
when <constant_list> then" ~6 f: Y3 F9 d. S7 h1 A" k; q0 O
<statement sequence2>;1 x3 C' R B3 q
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else, [2 \# {" h6 r' Y1 A1 d
<statement sequence3>;
( p" V+ c1 y3 M. u h4 O. ~: xend;% e+ _, |, ~5 g! E4 L6 l
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2循环语句
" {8 C/ V8 ?4 g5 A (1) from <statement sequence1>
: _2 d* K$ Z0 C9 |- q3 U8 o' F until <condition> loop, Z w) X- g, s+ P6 f/ X
<statement sequence2>;
0 o* ]; Q6 F7 T, O9 u, e2 j# e end;2 @% s2 N: J1 Q
(2) while <condition> loop
0 X6 i/ t( Z) Y <statement sequence1>;
- ]* `, w& p9 j$ W# A end;
1 p/ u0 b; B& K' [$ | (3) repeat 9 u) { `/ w$ l$ [
<statement sequence1>;
4 l8 Z' j0 @! b! n# g8 Y until <condition>;
( s1 e, x- l& c1 e (4) for <condition> to <condition> loop
]- E+ W6 n( I" Y) o8 `, X <statement sequence1>;
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3中断语句
& @7 c: |5 c% i4 c6 e waituntil <condition> prio <integer expression>;0 B8 x" W3 D( p: b
8 i1 }, z/ J- f3 x
& ~# Y$ i" ]/ R4 @: I% E6 `0 l) R8 P以上为常用的函数！
7 S7 |0 q. s* ?/ c还有很多，如有需要我把资料发到你邮箱里
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