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发表于 2012-11-13 08:48:12
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1判断语句
5 E' X! H/ f8 X4 G if <condition> then7 ^: t0 d5 `3 h6 \$ z! W+ W4 t
<statement sequence1>;
& s0 F: g! z/ N: x' x( D elseif <condition> then
$ p- A$ J! u+ {9 m& i8 g/ }1 z <statement sequence2>;
5 ~) P# L( s1 y2 }6 \" S else 8 x/ U; M% E/ `
<statement sequence3>;
: i* n% h+ N! o end;& a' A) g. H% N4 }% Q( b
如果分支比较多，用：/ ~; v+ z. ]# w' I+ D
inspect <expression>5 {6 Y% L5 _% F
when <constant_list> then
4 p) F0 x8 q9 F0 G3 W <statement sequence1>;+ E- i8 k" Q- u) I
when <constant_list> then" l* R3 Y" [7 ~5 u5 {" ^8 D4 k
<statement sequence2>;1 L' O0 P z9 C* @) f r" C
...
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<statement sequence3>;/ V8 R5 o5 S. E. g9 D
end;
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% [1 S6 d J8 q- u2循环语句
- w; M8 z1 K: W2 D (1) from <statement sequence1>
2 x( q6 |/ b5 e, e until <condition> loop! Y7 x' y$ C1 R- g; |+ ^
<statement sequence2>;
9 D8 E9 x1 I! v" p" {3 J end;5 }( S* Q! N* P C) s. e* y
(2) while <condition> loop
. R4 H7 d" P T# ` <statement sequence1>;
/ H2 K, V0 C& R end;
% W* L$ s' k5 R (3) repeat
: \. E+ @ O1 _; x; E <statement sequence1>;
3 R! V0 T6 W( L6 E9 D# D. k" ] until <condition>;
% }0 G2 s F0 X, R- f3 b3 H& M (4) for <condition> to <condition> loop
6 w" C6 n: E* P4 n+ Q* J6 `4 o <statement sequence1>;! g# G/ s1 C7 q1 ? V6 J9 p
next;; Y# {1 P6 x0 t/ Q2 u h3 M9 ^2 T" a1 l
3中断语句% L+ ?/ R' _5 D/ R X, L
waituntil <condition> prio <integer expression>;8 `; Q X. ?$ L! u% J# G
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以上为常用的函数！
- E' C8 U2 _. q- n) W还有很多，如有需要我把资料发到你邮箱里 9 x, V8 o4 z! U h8 W
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