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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句; _! d8 \0 J4 G$ B8 s" U
if <condition> then# b. ?- X8 O! J- ?2 u, m+ y
<statement sequence1>;
3 I' D7 y5 l) U5 g2 E elseif <condition> then
~6 W) \( l& D; f <statement sequence2>;6 G7 h1 x2 I; S) y* C$ |5 |1 v
else
& r/ t" z! q; M, [ <statement sequence3>;
- D2 F( N; r: ^5 g1 T end;
h: _1 y& m M1 E& J( y如果分支比较多，用：( ~" |* x ^; G5 H$ i* n/ e- S/ W
inspect <expression>
5 J8 I8 M' E( l- L when <constant_list> then
. h' {- W) A8 S5 h7 u7 r <statement sequence1>;
@1 y! n# f5 ^% e2 v3 I when <constant_list> then
: O8 h/ b1 z# j6 d5 R8 V" H <statement sequence2>;
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else4 f* N) y. D( z) r9 Z. H
<statement sequence3>;- Z |+ H/ U, K0 {
end;
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2循环语句
8 v2 i# E3 d* `4 U% K0 g2 ~% h (1) from <statement sequence1>4 H& Z9 s: m. j/ s" m& Q
until <condition> loop9 o. m/ N1 ~9 v! l1 I v! b# I
<statement sequence2>;$ ~2 m" P D2 ]: ^. W: a) s$ Y. H# T
end;
& ?; _! f0 a6 Q" I (2) while <condition> loop
/ x8 L) j, r; p/ C2 r <statement sequence1>;9 }: k) h5 @& O' V$ Q
end;0 s: X) T7 k+ M! ?; v
(3) repeat
/ }* j6 w8 D1 Z* l <statement sequence1>;9 ~7 u& L. S! R4 ^
until <condition>;2 O7 y. F9 C7 m) y
(4) for <condition> to <condition> loop0 x. M6 ^( p# r; k! h
<statement sequence1>;; `7 m& J/ X# S3 t
next;
& j9 c- J" e v3中断语句( F5 {3 `9 d. y X1 u
waituntil <condition> prio <integer expression>;, n, R, }6 i. c8 i) C, T! L2 B& ~; I
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以上为常用的函数！
( z& i3 W2 }9 A3 {还有很多，如有需要我把资料发到你邮箱里
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