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发表于 2012-11-13 08:48:12
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1判断语句 M2 w( X* u4 x- V( a
if <condition> then
7 a6 \$ ^5 n& f <statement sequence1>;
) U2 v* [/ p* g: n% n1 v& S& s+ F elseif <condition> then
5 V1 H' S" h! C9 o <statement sequence2>;
) Q) r2 W$ X: |" e0 d; w4 F ^# O+ S else / H- r- p F6 Z5 A# W1 K6 i3 v
<statement sequence3>;. _" q3 L- J0 c5 r) @& s$ ]% s
end;
7 T0 K- P# q% h' a E0 c) D4 b如果分支比较多，用：
, _0 X: x0 s; h* e; i& g inspect <expression>2 S, W7 M' {. Z, H2 c/ \, i% G
when <constant_list> then" b+ v( j- H$ Q( b+ U, L
<statement sequence1>;. l: `1 C2 o* F% n
when <constant_list> then
; M. _8 x( h' d <statement sequence2>;
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else
) [5 r- l# v1 d <statement sequence3>;9 ?7 O+ ?- C9 C3 q( C
end;
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2循环语句
9 h( v) `6 b9 l {7 D1 e; ? (1) from <statement sequence1>
3 A) e. c8 }1 b# b until <condition> loop1 r) I. @4 Y- e" r3 Z
<statement sequence2>;
7 g- h/ v- a0 s end;4 |+ k" D- I1 w" Q" w
(2) while <condition> loop' ~/ h3 \- f! t- s' F/ c9 \
<statement sequence1>;
; t$ f9 n5 x; [* A0 ~6 @ end;
% o8 u& `$ O6 A/ y- v3 i (3) repeat
+ S* M) O" r u1 @6 A6 O0 v# x <statement sequence1>;
% @ x6 t! `9 v0 T: p# e until <condition>;$ g- l* q! v2 l/ c
(4) for <condition> to <condition> loop4 a: n9 i7 \2 K8 i$ Y' Q M/ S& X
<statement sequence1>;, W8 H1 |- N! Y0 F2 }
next;
/ ~- E& R% J) }3中断语句# r) i" `1 j, Q' H
waituntil <condition> prio <integer expression>;
A0 E2 V0 L, z: l+ O* O ~, L! S! g* h7 Z" M+ b1 ]5 \
1 M1 k* s1 n; F% |* ?5 B/ x( d以上为常用的函数！1 y4 ^" o, n9 r7 s
还有很多，如有需要我把资料发到你邮箱里
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