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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
9 u8 ? t+ E* P$ y% | if <condition> then; Q5 a* u* P/ {. T. B! J
<statement sequence1>;( u2 ?, P% L! a) I5 b6 q: q* i
elseif <condition> then
3 i; d: n5 R/ q8 m& J <statement sequence2>;4 D' _8 l; a' d9 D& W1 C* {7 c7 s
else
~ b/ O+ U1 G4 M' j. i <statement sequence3>;
6 a* j$ X F- F" o; z end;
. P: I9 m( n, Z! |& K2 Z$ m, W如果分支比较多，用：
2 k* ^5 l# W+ {9 a inspect <expression>
4 }" c0 T) S3 S% V when <constant_list> then
& t! B5 K. \- a <statement sequence1>;( `+ u. K0 D6 c% j( _( L. A
when <constant_list> then2 B5 H- b3 H# J+ V; M+ N
<statement sequence2>;: d, o; m$ E& x; g- g: p+ Y
...! c3 ^6 ]& M5 E: e; p' S7 W( K5 |
else1 @, c }* ^. s. M
<statement sequence3>;" a! I' b! P, f) R+ ~; W+ l
end;% p1 \: K9 }6 O1 W+ ^! M6 e
; q% R/ P: d6 m0 g5 P2 n2循环语句
0 E4 w% y" B* u/ g3 `( | (1) from <statement sequence1>. X% b1 B$ E9 ^( B, W9 ^
until <condition> loop, l& N! A( F/ X) N2 f- Q* i! i* s/ V- R
<statement sequence2>;
i( Z: t2 W3 T7 f, r end;0 k% C* Y+ L* u
(2) while <condition> loop
0 y' S! z) F2 x <statement sequence1>;
0 q& j% J3 ?; o% W+ {& M0 _! ` end;( d+ s" a7 \; E9 j
(3) repeat ' X; X2 ?1 f9 Y6 h) L) P6 ~
<statement sequence1>;4 H: K# N3 {- n- G
until <condition>;: Z" C$ P6 a- N6 W0 ]
(4) for <condition> to <condition> loop
, F! o1 f" ?1 `& K+ f+ V5 s <statement sequence1>;. r \) z+ P0 S; p! I- p# e
next;. g+ b! x$ }/ A8 N: I* g: w; C+ R2 \( e
3中断语句
O6 ]2 v! p; v# T5 \/ N waituntil <condition> prio <integer expression>;" A, R1 p1 V2 T$ i9 g/ J- S+ o0 V0 ]
# v7 b" d# G& z4 @
, y8 u) I" L. K' B7 R6 R, Q; l+ h7 c以上为常用的函数！
0 n' o( d7 a) r: D还有很多，如有需要我把资料发到你邮箱里
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