|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句. n |4 K; h( K J6 }
if <condition> then/ S4 K+ g, {- z3 h# B7 m
<statement sequence1>;
1 W0 b: {& H3 j% _" W elseif <condition> then' H0 F4 s- n4 x3 Z/ C, L6 @
<statement sequence2>;: R. g! g t9 z1 K, l6 [2 y
else & c9 I5 e- `7 n3 @# k
<statement sequence3>;
! n7 e' V6 c; \: e end;
% O1 @& P1 M! S8 s8 i3 u( q1 @如果分支比较多，用：& X* E7 D2 J) U0 a
inspect <expression>5 X% _" p, Q2 h2 [& K! ?
when <constant_list> then1 Y! l2 c# U. O$ c, G
<statement sequence1>;
/ p! Q7 ]! N- u7 E% I- n when <constant_list> then( T" E' q7 Z6 n0 M! _# u
<statement sequence2>;7 e; r) x6 x& {4 L5 _% [% L+ C
...
" I x B4 T0 x& V# O( S3 Y: |$ | else
/ F7 f* T; [' V4 Z- G$ ^ <statement sequence3>;1 `0 T: j" u: m
end;' N/ w8 @8 m# [* a) B) M
! o. `/ `/ f5 p/ r9 a4 V1 W2循环语句& x: h6 t q5 R* i' W
(1) from <statement sequence1>8 [# S2 T% j5 ^& N
until <condition> loop
' c" y+ y5 Y! `/ g0 P/ S E <statement sequence2>;
) \0 V. ^3 g; U# p# {4 I end;. n/ t& g. `0 e
(2) while <condition> loop4 q6 t6 v3 i4 _& }3 t9 ?
<statement sequence1>;& h5 E+ C! V- D7 E" N8 o! ^
end;, n. X6 C0 S* S0 |: J
(3) repeat
2 F0 G# A8 u' z* P; s W <statement sequence1>;
; g4 w4 K9 q, Y/ I8 o, } until <condition>;, d) X3 o6 u+ N. q$ s7 r% N& e8 `' T( f
(4) for <condition> to <condition> loop
U$ `+ {6 t; ] w0 N <statement sequence1>;5 m, G" h- q7 I: u# B
next;
4 F: X$ }8 C+ ~' O3中断语句
8 H o- E3 h& b+ J M$ c1 q n waituntil <condition> prio <integer expression>;0 ^' \' a$ T$ [* j1 k. I
% K+ L1 X7 G% |4 s- c) v" @8 B5 E& Z- [# {3 ^7 c
以上为常用的函数！
) R# F, a- E B, v( h还有很多，如有需要我把资料发到你邮箱里
7 f) g* q) N L$ {0 v; j3 U& y! y0 P- |1 u* m
& {" p) _# \7 p- e6 u: |2 U
" V* |/ I, H0 ? [* [9 O4 [( p
1 L! f& }( J. A# {! W ~1 @0 r4 S h
, f+ g% ~0 A# @/ q v4 A
# b- p: x! Y( r/ m) ~9 S% A$ g
R( d# `6 }2 u2 c9 Z
. C9 X9 s4 D( K5 M9 o5 g. ` 2 O2 |5 A+ V! j
|
|
[复制链接]
