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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4 i, z. U5 f, v- E' d
if <condition> then- P% n2 L3 R4 q' l: [" T
<statement sequence1>;$ _; [% q$ a) G& ?) F0 n s0 _9 P
elseif <condition> then
9 a6 Z! g; C3 ^" j <statement sequence2>;1 L5 K' V5 w T1 Z2 z" \- k" p
else
/ f, R, ~4 x6 e) p( s. c <statement sequence3>;6 V$ {" X4 n/ c6 t
end;
* u$ D* g8 U; [如果分支比较多，用：5 B1 r7 o$ H5 z( o; d
inspect <expression>9 x! v5 Q3 r; o6 T* F
when <constant_list> then" b* D! M' U7 |( Y+ q
<statement sequence1>;
7 p( L3 K5 Z! J3 Q when <constant_list> then
9 o1 M- W% p6 e6 Y2 @ <statement sequence2>;6 G- E6 f! X7 W4 z$ S; C# K
...8 s) v1 ~, z2 `, \+ K
else
# Y, E' \( ~, z% b/ _ <statement sequence3>;
! }1 F0 I# \' ?1 f; gend;" d, S) G7 R1 e3 W% X( q
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2循环语句
% D& t5 \4 |6 A (1) from <statement sequence1>) T) F2 N, d* {8 }" e+ Z3 G8 U& u
until <condition> loop1 s B- s4 ]+ p" U, v. B8 c
<statement sequence2>;
& o/ v6 O, {$ o4 }5 |: a' K$ Y end;
7 s5 x/ L) z' r% Q' z3 r( c# C' s (2) while <condition> loop2 S3 Y( g$ a. V! }0 \" U( K; X
<statement sequence1>;
1 m7 p3 I" u- `$ U end;3 ?, A4 @& ~% y/ T' s( p, n a
(3) repeat
1 b+ s' Q `) H9 g9 Z* ^ <statement sequence1>;
~ N; Y" u- ^% b until <condition>;( U2 Z# I8 b! ]5 V" S4 L4 q
(4) for <condition> to <condition> loop, \, _% ~) b4 V: z/ K
<statement sequence1>;2 i+ S. g2 k; o2 c# y0 N
next;& u: t% r& s: E2 H# ~2 Z
3中断语句
9 M% {, d# F8 d4 J# B4 z waituntil <condition> prio <integer expression>;
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; O4 ^; G' }; \6 C( ^, p以上为常用的函数！! W% G7 o5 ^2 e# m, \9 P& F9 q
还有很多，如有需要我把资料发到你邮箱里 ) } W: |. x, _
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