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发表于 2012-11-13 08:48:12
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1判断语句
5 _* I( |6 a- R, {8 w if <condition> then
9 b m x5 B% B2 I1 o2 i <statement sequence1>;
' g/ ~& p$ X# B. r8 \ elseif <condition> then
2 I4 h) ^# c3 u/ d, n" y <statement sequence2>;$ e' B& W* n$ \5 g( \
else
6 Z5 }: g, t8 f8 s& y" |- I <statement sequence3>;
e$ X6 j* r6 T9 G! t6 K/ z; T end;
( o7 q9 F% l, [3 i! Z9 {如果分支比较多，用：! q2 C! l" e# b8 S
inspect <expression>
+ l2 T; D: J- H when <constant_list> then
: {1 k+ h$ U. V; o. c; Z# F0 @4 I <statement sequence1>;
. V! Z' Z; k0 B A: z+ \( D. [ when <constant_list> then4 e2 T' I4 {, w R' o8 C
<statement sequence2>;
( H2 P$ q) E' F; A5 Z/ n ...; F8 W) M9 z& o1 o' o& ]. b
else
3 L& D% Y' `$ l( s$ @ <statement sequence3>;
]0 t* l- \. e2 d3 s; Yend;
% b6 {$ m* D6 n1 m+ i2 m: }/ ^) W
2循环语句8 N% V) C9 p6 n" @1 y' ^1 z
(1) from <statement sequence1>
# f# ~1 \8 D) ^0 r& ` until <condition> loop
" {1 X6 X3 ~, }. d2 o <statement sequence2>;+ g. m1 C" C/ x
end;
3 s: \6 c. k9 T (2) while <condition> loop
: \% D# y# n. S4 Z4 t; V <statement sequence1>;( Y/ a7 ^5 [+ ^% G2 r; O- B. K
end;
1 n. [3 W$ `9 _ R) A (3) repeat # B/ l. H; I+ ~/ ^9 n
<statement sequence1>;/ V2 f+ r( k$ l
until <condition>;
7 I8 Q9 l# |, q1 ~. A (4) for <condition> to <condition> loop: j6 t. ~0 j. B4 t( ~1 W6 T
<statement sequence1>;
3 u7 J' e: k. c5 A next;
" p4 M1 @* B5 E$ @) k3中断语句( ]. [% \* Y: ^+ V! F( y1 j
waituntil <condition> prio <integer expression>;( l, Z$ x, |. G7 B
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以上为常用的函数！6 ^( x. J9 `& d2 l
还有很多，如有需要我把资料发到你邮箱里
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