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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
. Q: s3 F" y# l+ K L6 I% w if <condition> then
+ z- g7 z$ g8 V+ U; ~) P& f <statement sequence1>;
- I9 q+ c1 r0 L: v/ ? elseif <condition> then
7 U! O+ S1 L: K% `5 N- q <statement sequence2>;, o% e$ ]6 q8 P1 I# e/ u0 b+ H. E# H
else
. ]( Z) K: n/ S) F& H <statement sequence3>;; y4 x9 A( q6 R: c- v
end;
: m: t0 q+ t! ^( ^9 X& z如果分支比较多，用：- i4 }% J% C T2 S" O
inspect <expression>. o7 O+ O: b$ U: g
when <constant_list> then
. g J2 X3 `; K# b7 I+ t' | <statement sequence1>;3 N& K/ y& i' E* a7 h$ b* T+ L
when <constant_list> then
( n O' I; t, f <statement sequence2>;+ |. i9 y0 F/ e8 {, A* U' [& r7 c
...3 r( ?# C; k0 a0 ^; |% J" ~) |
else
: l% v1 @$ g# v5 J' z <statement sequence3>;
6 T) C. Z" J* kend;
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2循环语句
) I9 l, d4 S: P! @ (1) from <statement sequence1>3 g/ O( t% `% U9 G* k4 D D
until <condition> loop% W( n: d% S0 ^( r9 {2 |
<statement sequence2>;& K/ _: x+ X2 J" m- G9 V/ g4 ~% R( z
end;
& f' P: n8 D, P" {- g (2) while <condition> loop( Y0 m5 D2 Z# y( l) m9 N$ O* p. G
<statement sequence1>;
) Z1 ^/ D5 k2 K7 I" C I end;. S, C" B- E! L+ v1 d5 E
(3) repeat
# L/ V$ ~9 p- F0 K/ g' g1 y <statement sequence1>;
$ `+ h6 V' b2 X until <condition>;
/ S* w& C2 ~; i' _) y; Y (4) for <condition> to <condition> loop
$ _# u+ q8 F1 h- M; S5 n( l <statement sequence1>;
# W( a U, G3 B( K/ w& b4 Z next;
0 @7 Y1 n3 W6 ?; k) \8 h7 N! u3中断语句' u( N N3 r( C0 x
waituntil <condition> prio <integer expression>;
9 d9 W+ H# J" O3 F3 L7 `. d P) y4 G, _
8 Y# [0 G( D6 c( r. b以上为常用的函数！2 x: U$ i) A W0 q" K, @2 H# M
还有很多，如有需要我把资料发到你邮箱里 + X. s( t9 u& m
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