|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
5 a1 X: G2 U7 y, d, j2 q1 j if <condition> then. b$ {7 p9 F& e( R3 L
<statement sequence1>;
2 B% {' ^5 ?9 l; n elseif <condition> then3 b9 |. _2 }7 L6 ~. e: T3 @; k
<statement sequence2>;
2 Y# C) \! _& u else
( V5 p! B" y% |* U <statement sequence3>;6 D/ w. m2 E* [! j0 e
end;
8 m9 V' V4 p; }) N如果分支比较多，用：
4 r4 ?0 U8 G0 T inspect <expression>; ~6 W7 T" S, i4 B6 Z+ @- h4 w
when <constant_list> then
# b5 b5 M! g, V! p8 N9 \* | <statement sequence1>;: m5 d& v6 N/ P/ t
when <constant_list> then F& B7 b5 J7 e1 [4 b' ^, V
<statement sequence2>;
& k& O! @8 y# O. g ...) r. x; I* N8 _0 j. u; P
else4 W( P) i" b# Z
<statement sequence3>;, l6 U% l8 _- x0 C6 X9 c T
end;5 W: ^+ Q3 a. Z, q& o
* k! U3 O" y8 A8 |; A
2循环语句+ c# I" u3 O9 ^5 a
(1) from <statement sequence1>
9 J( Y) E% p3 t& L8 x0 { until <condition> loop& B9 o; z" c/ ^$ u- K) ]! Y# r
<statement sequence2>;
* e- _$ I8 e: _, U- B% H0 M end;
1 ?8 B- t$ P8 n8 f; X7 p (2) while <condition> loop& P& j' R }; T. [: G
<statement sequence1>; ]+ C0 u4 j2 a9 o
end;3 E1 {, b2 j, U9 d) G8 k
(3) repeat
J6 ?5 X0 F( E5 Q& o" } <statement sequence1>;. m W# C8 E' ]0 e( N' Q, v+ Y: o G
until <condition>;- u. k( P5 Z& `- l) y( q
(4) for <condition> to <condition> loop
( }: v' M: u0 _ <statement sequence1>;9 ]3 t) N6 H/ w; |" A% C
next;: U) `/ ]7 d1 H& Y; s- {2 u
3中断语句
% X2 [1 |5 F5 X: D waituntil <condition> prio <integer expression>;
. N% ^3 {6 ?5 j' b9 e; y
; C5 x3 A8 Q) {' `& H
* Y3 c' Y4 e- Z+ K以上为常用的函数！$ h3 M) W& o! G+ q3 |. z X
还有很多，如有需要我把资料发到你邮箱里
0 o6 U* h! q* U
3 s4 w% ?1 u4 ~4 ]9 c# W* w. n9 q6 l
+ U% U) h ~9 @ & O* k( U& u% K3 {# v
: B3 r- ?2 R/ E" I3 w
) x- t R' o4 O
: ^3 d( t$ N- b% h! {3 @6 F; d* M" A1 m/ ]) T% V
, X+ l. C/ X9 F
# w0 B5 v) B8 z2 n. {/ x. d( n |
|
[复制链接]
