|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
; x0 s W7 X. R if <condition> then: W$ y: a3 c. s7 b% K+ l( Q
<statement sequence1>;
- p( V) B5 Y; R3 \8 i elseif <condition> then
% Q2 y+ x" L4 z% ]) ], X <statement sequence2>;% h4 f- r4 c+ t3 i8 v h2 ?
else
7 y+ | i9 \! x; N3 Q# c <statement sequence3>;% w; T# d0 L3 c2 `4 O
end;5 T. x) n) l. c/ _8 i4 x
如果分支比较多，用：
! y& I! P" @1 d inspect <expression>
, w2 \; U: g# h: C* k( A; ? when <constant_list> then f& M: m& B: o8 E
<statement sequence1>;; ]1 D1 o; |$ y
when <constant_list> then
5 ]! u1 S( F# v% d$ `; G1 _- u% u- a <statement sequence2>;; o$ [. ~* I# Z2 h
...
% a2 I$ h' ], ~3 ] else
$ i/ y6 D8 J* B7 N7 N <statement sequence3>;: O3 O) S( M$ |+ P3 I
end;
8 h3 T+ ~1 ~- W9 \* |
& M) s: G7 L; Y* j% n0 s+ V2循环语句( s5 Z9 b2 ~2 Z1 d* T% V
(1) from <statement sequence1>& p) r4 G& t( }; ?# L
until <condition> loop% O% J6 n) u9 T% O: Z- R
<statement sequence2>;/ z" G. }8 u! P2 h1 K+ L( N
end;7 T6 i0 W) i' m9 f% T
(2) while <condition> loop
4 L9 ^6 T1 Q# Y6 B) X7 B3 ^- _6 ` <statement sequence1>;
; e$ V. w, v; l2 b end;
8 n) l0 W" c# H+ a5 @ (3) repeat
9 ~& ^+ i. S% l1 b5 h- n <statement sequence1>;
( x- N/ T- g4 d until <condition>;: h4 `0 y3 ]2 e& I1 d1 e1 |3 Z
(4) for <condition> to <condition> loop
6 b) K- B( }7 E4 C <statement sequence1>;$ B% E/ z# r: J0 J" J# v
next;
0 [* s1 C$ E7 E) d3中断语句
( x. J* Y, `( J A' { { waituntil <condition> prio <integer expression>;! c* T+ b, d4 X
; j# Z( J) q7 j4 h/ E! _+ M
) `- ^ ]/ n' l4 o/ m: l以上为常用的函数！$ ]* ]8 s6 u* t g' G# x! t
还有很多，如有需要我把资料发到你邮箱里
2 G& s) z" k8 [# ]- `/ I( {+ K n, g+ M: M7 h
4 b7 N: Y% a5 p: N# t3 Z. b% Z/ i& Y# ]
3 u; x8 L$ E! W4 j5 v% R2 \% [- f. q7 \
- V% A. X% m( q( P/ } \) M# w; Q2 y3 }3 z. c
) x: C, |1 ?1 m- Z5 Z- j5 X
( F/ P, Z8 l2 q$ e7 E% H) Q
: X% J1 h" o( \$ }/ L
# q6 u0 ]4 H. m5 `. C |
|
[复制链接]
