|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句' I. ~6 c f# |; C' N! K( c; E
if <condition> then
+ R/ s; E! j3 j6 \) F <statement sequence1>; s9 d5 E8 O, o* S) h* S# o; b& `
elseif <condition> then: F! [, d S2 O! z& G7 M- Q# o
<statement sequence2>;
' L0 K3 z5 a6 u1 J/ @* ~- [ else 0 ~6 l0 n& f+ A; m
<statement sequence3>;
3 ~2 N0 K6 U* g; \, P4 \' V end;- |6 a/ k. H- N) b& j
如果分支比较多，用：0 a3 u. V; l) @, ~( Y) m1 f
inspect <expression>* W# A' l/ |7 @+ g1 b% b5 X
when <constant_list> then; |/ W" t% S" j* d5 b, w" p9 E
<statement sequence1>;
" U( r8 l/ g' Z9 K when <constant_list> then
# {& `* F( M- ?% [) S <statement sequence2>;0 ` O: Y' V4 d5 P9 t
...& S: N9 ]! u7 R8 H& p
else( t% U0 y. ~8 e1 e+ N
<statement sequence3>;0 H7 V/ ~9 D& m. G* O) A/ k3 b
end;+ B% Y0 p2 W; T' M8 t
) Q6 \& h$ _6 _& \2循环语句
; Y; G6 C5 L0 ~1 D/ \; E (1) from <statement sequence1>
3 N) {% g, j2 u8 P6 j1 Z: @ until <condition> loop
, s' L& U& ~! D, b$ i8 {( @ <statement sequence2>;
; J- X1 U( n* c end;% y- P, |0 |: x7 ]( G" h
(2) while <condition> loop2 K7 X' l( J% I& k) l C# H$ A
<statement sequence1>;. B- |3 l/ q% X, S; _
end;
( S8 R% V. {# L" e" w! J0 N9 A (3) repeat 0 T( h; h, A, O
<statement sequence1>;
& z" s$ m$ g( d% q until <condition>;% X4 E; i' x! T/ o! r
(4) for <condition> to <condition> loop& C! v2 x5 _/ c6 b$ M4 J
<statement sequence1>;
5 n7 N+ o3 G# k- z. G next;
% @9 a3 d5 g4 p# O& ?3中断语句
/ \. @9 X; l! C8 P) ]! C waituntil <condition> prio <integer expression>;
2 Q- R& v) D" C& i2 [; I6 e. V. A2 m% Q4 ?
6 w+ ]) E; I! E
以上为常用的函数！* @) t2 R! C: r: p! H- R n" Y( \
还有很多，如有需要我把资料发到你邮箱里 1 W( |- X/ G) @ N6 A/ f
9 C* L$ b" y3 @* A, M6 J, O$ b" T
3 z' ^0 ]# v1 p6 I/ ^
6 a9 D2 M' I0 u! V % T; R4 n& m3 j$ }# J6 R; y/ Y
% ~$ R- T! D6 P
$ c6 ?8 G( y' ?: {
) Q" G4 v9 X8 y" l" k" w: W, K
) D8 f# \+ {/ z
* d+ N$ u; e; W' P9 c- {& Z
" F- M; H; g7 W4 a* n& w5 z |
|
[复制链接]
