|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句2 a9 E% o" @3 w: a
if <condition> then6 _0 H, E o* E, i
<statement sequence1>;
/ h" g8 V6 {1 o: E; h" Z1 g0 _4 s elseif <condition> then
) h: f1 P6 E4 y, U# M F <statement sequence2>;
7 s6 L/ A7 q# [; i [ else , X" t! @7 X0 F3 I9 Q
<statement sequence3>;
' Z/ B" g$ s7 @. ~ end;2 @% X* v j7 _, w$ m5 k$ s
如果分支比较多，用：: K) n, g! z! p1 u0 S7 H
inspect <expression>' c+ _$ n2 d% q% Q2 t8 h3 y+ f
when <constant_list> then4 r( }. p% B8 Y; i( n$ L) v* t: W
<statement sequence1>;
, O6 g4 R( j8 R/ b when <constant_list> then
: A8 I7 Q8 O; A& y <statement sequence2>;8 f" Y& ~! Q, T" U3 e
...4 c! s8 @, M3 h- H/ D
else+ ] ^3 p0 j( ?& r3 I- H& v
<statement sequence3>;* N, ? e1 a" Z, ?
end;- o% g+ p1 z& {$ D* m2 u2 Q
; T8 c: @, K! F5 b2循环语句
: {0 M4 I8 L" P' | (1) from <statement sequence1>5 [: S5 d, s5 ?* O
until <condition> loop
1 t, l; N7 X& r% w% w A <statement sequence2>;9 t" R1 I/ N( X v1 }
end;
* u! @7 t' f' h( p& H$ y! J (2) while <condition> loop
" B; `5 T& r$ V8 S6 A8 L <statement sequence1>;
: K9 ?( q9 i1 N3 ~7 t* X2 S end;- q+ g6 V! p2 |# q! w6 d
(3) repeat 9 b# t* Y* k7 [8 @; f
<statement sequence1>;
x7 y9 _$ y; P5 f until <condition>;" Y1 e3 V. }# I& p
(4) for <condition> to <condition> loop
. O# H% X; Y& R6 w K$ M0 Z <statement sequence1>;
+ m7 }3 [$ |: f9 J next;
# S, Q5 F1 y# _3 C3中断语句) H( x- d% h/ a. c' P" b
waituntil <condition> prio <integer expression>;! q- x) d# j% D7 H
7 ~+ H4 y6 O) A ]) q; E/ z( t" W) o+ K& O2 ~! t; d
以上为常用的函数！9 l2 M; \1 b; @
还有很多，如有需要我把资料发到你邮箱里 9 m+ J5 Z& N, E. h! |, i7 z* ?
+ | `- Q( ^2 R2 F
. j! a( q9 L e. q* u8 I
x7 U7 F. p( {' d. N3 }; }1 Y
, i- {! F9 q7 n' v5 Q" s5 a; _7 V& m+ N6 G7 W8 K
6 I, l. v+ y) Z
, o. W5 t) M3 Q$ z. ?0 i8 U4 v
% Y5 s. u$ Y4 b* D' z9 N X
7 v) P' Z( M( x5 C4 @9 M
! K2 |2 ^5 s2 `9 ~/ s |
|
[复制链接]
