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发表于 2012-11-13 08:48:12
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1判断语句
9 |/ D" L. Y" F2 D W- m7 V if <condition> then
$ C' a8 k+ _" n0 M/ k( W+ o) m <statement sequence1>;3 R }: M3 l! U6 F: n5 o
elseif <condition> then
/ J: E! f7 ]" G4 D <statement sequence2>;
; k; g0 v4 K" H: ]* a+ T) @+ a else
6 \1 L; H( H8 S+ Z <statement sequence3>;: p x+ b/ i3 v: t+ ^! Q
end;0 _( B3 p2 T+ J& x# O
如果分支比较多，用：& P0 w6 g5 x, Z/ W O; W
inspect <expression>( }4 }$ b) L, P& a
when <constant_list> then
% t6 b9 c/ l1 ^ Y <statement sequence1>;* C! Y( d, B( Q
when <constant_list> then+ V1 V. J5 F% Z$ r- C- ^+ J6 e
<statement sequence2>; |- x- D2 ?8 U8 K
...; e! [: Z _6 z5 x7 R
else8 I( E" z7 [+ _" H' W9 y
<statement sequence3>;1 j" A! m5 ]! _) s% L. [
end;
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2循环语句3 B$ s; i3 l* R; F$ i
(1) from <statement sequence1># M, D2 I1 H$ J+ J7 ^
until <condition> loop
6 N4 k1 ^% x Z <statement sequence2>;
8 b/ l+ U+ D4 l O end;; y: [# t8 H! H& w, G% ^5 e
(2) while <condition> loop
6 l) W" A* `. b7 [( h <statement sequence1>;; a9 ]9 u0 \# d
end;* }7 v5 h+ [" D$ v6 q, k
(3) repeat
; u% ?- {, t2 R( Z: R9 V! i6 w <statement sequence1>;
( \4 ]/ L9 R8 j! c, V until <condition>;
8 \1 A# u* `8 W4 g (4) for <condition> to <condition> loop
) n5 b$ B4 l, S* G; M2 ^ <statement sequence1>;8 c0 h# f+ f- a U7 [
next;% P. T" O' t2 b" }, T2 y. P
3中断语句. ^. J" w4 A5 t
waituntil <condition> prio <integer expression>;, E1 ?5 D' I9 R, h6 z3 {) F
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以上为常用的函数！: l- k$ U" ]: P1 n
还有很多，如有需要我把资料发到你邮箱里
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