|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句1 k g- l& ]* k; f
if <condition> then
' y. e2 x& v" }5 @. Q, E, v <statement sequence1>;. x6 i3 R" a( G: n; S* K
elseif <condition> then
: `# `4 y n- ^0 [8 z <statement sequence2>;* R' `# L: N5 [! { Y1 g4 l# I! D0 B
else
. S5 l5 i- C7 H <statement sequence3>;
7 s0 @+ k _2 A5 N* ? end;9 P2 \6 N1 ^0 Q. q% S
如果分支比较多,用:& } v8 e0 P2 O F2 F
inspect <expression>% o' x) x* \3 C
when <constant_list> then
; o+ Y8 e, J3 u8 u9 M9 z+ h# |0 } <statement sequence1>;
, w3 M% m' g# B3 }, q when <constant_list> then
M: c; l! G+ E, m <statement sequence2>;
+ L+ R* j5 p0 Y ...- v' e* `" o; J: g7 W0 C) l- N, L
else
( G1 h8 s. c" l* m* i7 e* Q f- x: n <statement sequence3>;* j2 ]$ b$ w0 J8 B4 D1 K" ~
end;( ?4 z( A/ y& m0 A/ f9 i# {6 X
' h7 a4 n2 [- z2循环语句
: i2 T6 \, M) G, A0 n (1) from <statement sequence1>1 Y$ g) {5 b+ w2 }
until <condition> loop9 q* _6 o* V5 f
<statement sequence2>;
1 T2 I; t! b6 [1 ^ end;
N. u8 f- l7 h8 E6 \ k4 l6 w (2) while <condition> loop
; q6 h7 R1 M1 S <statement sequence1>;
+ b+ u+ Z/ i% R! k. z; r9 w& ]* q4 U end;
) \( o" h2 w. u) ]- y! w (3) repeat
/ {# @: T* l! g: E1 X/ J& a8 B- t <statement sequence1>;
& K+ B( E7 l; E7 V until <condition>;9 b) R) g; F2 A1 F
(4) for <condition> to <condition> loop
3 Z b, [2 q6 G+ S <statement sequence1>;
, x0 W, a: i" e7 Y- ^& ?7 V next;
; @! Y; `+ e! v7 j h" ] }% f3中断语句0 n9 [8 [* N. L; B
waituntil <condition> prio <integer expression>;
% Q' }$ @, L' _- s: Z5 S% \* R3 k; z
5 X; S* W: j! _+ c4 I
以上为常用的函数!4 m& `7 Z9 X# U T' x1 v, c
还有很多,如有需要我把资料发到你邮箱里 1 t# b6 y1 w8 d& e# y6 C5 g( C
9 v1 x4 f+ M2 W& G/ M! k$ j$ {
3 v, i% U& l/ ]$ Z. y. _+ A& p2 ?4 m" R5 H7 v! g+ D1 c" m
' P7 i& t( R" O3 F: D
) r" d/ A+ P t3 K- i$ y$ O
+ c7 W2 i3 |- [- _4 L
; Y+ i1 _ H, f* K' O' _
4 F4 y! K n* b& o' O2 a! }7 P4 J
3 u( K j7 c2 O0 E* V: Z' W8 | ; @# X* S, N. i4 v7 V& N
|
|