|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句* l! f5 u, x. ^$ a
if <condition> then
. W! `5 c4 y" H& p! ~. P <statement sequence1>;
]6 M, }9 {3 R- J elseif <condition> then8 U5 b( ]; [! l0 e
<statement sequence2>;" ?& g) I' U* N7 |3 F# n
else
& ]- O7 s) x; j q! f1 }, ? <statement sequence3>;/ x* q# v5 f' n+ j
end;. n% x; [: O6 j
如果分支比较多，用：/ a) c$ F0 @* H2 F
inspect <expression>
( \$ u5 d' W- i5 F4 `( y5 g when <constant_list> then: K4 u9 Y3 E6 R
<statement sequence1>;
0 }" d5 t: e* L" z" W) F$ Y7 j when <constant_list> then
( B! @1 v: h) w% z Q <statement sequence2>;
, d. n0 ?+ m4 {! C; C ...
0 X/ P, d9 F8 p5 R. h; ]2 t: t" G2 [ else
6 V5 g6 V) Y0 e# T( r <statement sequence3>;
4 m1 J- T+ e3 b6 J& `end;
6 l2 c$ [1 k4 t! a6 M( u m7 p0 Y0 W q& w' p8 H
2循环语句
" q' j) D# W4 P/ n6 z (1) from <statement sequence1>
; Y! A0 G, V5 i2 n until <condition> loop
& L( o+ ^, q8 ?: I1 q7 a <statement sequence2>;" [; e6 |( S6 V! u
end;; O, s8 z& @: K! ]3 Y' m9 ]
(2) while <condition> loop
% n) G2 _ w8 C& U A, ? F0 D <statement sequence1>;
1 U0 @( Y7 A& Y3 r5 x5 J: U' x end;
d K# c8 M' f" f* P6 r (3) repeat
+ i9 r' t/ N; X' d& l' u, _ <statement sequence1>;# d2 s3 ]! D- ~" ~2 }/ c! X
until <condition>;" F3 V* g# T( f+ K
(4) for <condition> to <condition> loop2 C$ F+ o5 Q; x3 c$ R) N! Z
<statement sequence1>;
- _0 B. M/ i9 o. n' L p6 p next;' p, S' g" z8 l& w' @4 W$ V$ |
3中断语句& C, g) w: @* ^( E' c6 ?) @% ]
waituntil <condition> prio <integer expression>;6 P0 n. l( G) p* v/ Z2 ? P1 m
6 }! B$ Q' W$ n9 r% y* g4 @
1 K# Y9 ?" W- _& u以上为常用的函数！1 z. Y9 \; V# ~2 F
还有很多，如有需要我把资料发到你邮箱里 " F3 T; c0 w2 f
& V( n6 W: v, b2 X4 u& Y" p
+ d9 [# U; H8 }/ L+ b7 u; K+ W
, m, a5 w" s. [& M3 A
- |% o) p+ V9 d. \+ H
6 [) Q( G- P4 I4 F R3 e' F$ p
3 \$ |# h, W9 V+ R R. ^! e* A! |$ m5 j) C) D- T0 C
( \ m+ g9 O4 r9 V
. | g; i* K9 \- Y% t/ d ! R% N% w- t. T S/ F/ ?9 w
|
|
[复制链接]
