|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
. J+ m" z* y9 ~ L3 b- N4 @ if <condition> then( E. l( i/ |5 g) Q9 Q
<statement sequence1>;3 q+ Q: z% E9 h) ]
elseif <condition> then! U: C3 T+ Y$ y; O
<statement sequence2>;
! a% w; X' `4 x E) T5 j" G$ p% X else
4 e" z( N) n0 L$ P: ^/ b* S9 z: x <statement sequence3>;
' o$ e+ P2 o( }9 V4 m' X end;; j/ n6 K, q2 [" s
如果分支比较多，用：* g/ q& z! s2 o( D- C
inspect <expression>
' a# s. X' D# v when <constant_list> then' k$ N+ Y( F6 ?, t
<statement sequence1>;
' Q" _* u) D; ~, ^2 D when <constant_list> then. X2 D* C% E( O( [ z
<statement sequence2>;& X; p8 i' ]* F A' h
...
8 n3 G- b: [& p$ P+ y2 Y else
2 Z6 p( d% j9 o$ f! A <statement sequence3>;
. K4 H" q% O( H. y) L7 b& P' q! vend;- }8 ^/ S6 {- u" f6 ~8 L6 ^4 q/ p
- C' q0 ~4 c; m2 T1 {! e- m2循环语句
6 ^' t4 w$ a( S (1) from <statement sequence1>
6 ]& _& G0 }$ K5 S; H! \5 p0 n until <condition> loop
# `4 |- `! V! |4 L6 w) m <statement sequence2>;: ~2 d2 x$ |: q, p7 g9 f
end;
3 X; [, a& z& O7 R A (2) while <condition> loop
- m" o! A8 A2 o <statement sequence1>;
/ m2 j6 i* O! Q0 r- b# Q end;
' U0 p" W( o% C9 b- f (3) repeat
- U8 |$ w9 z! c, b <statement sequence1>;$ [4 f: q5 b( o& O- d1 J
until <condition>;
) k" n" }7 W+ C' `* @6 y (4) for <condition> to <condition> loop6 B. I5 w+ c* L7 `( x
<statement sequence1>;2 f4 }0 I" n( \9 |7 l5 L6 o
next; o n# u6 D0 M+ Y9 G
3中断语句# |4 @9 ~& E4 I; D, c8 t
waituntil <condition> prio <integer expression>;# J# @+ L" |& j" F% S* i
/ ^1 {# B. o7 @. y2 K8 h: L! j: `
以上为常用的函数！9 T7 v# `4 x$ @) y- v0 t
还有很多，如有需要我把资料发到你邮箱里
6 b/ b, Q/ |" ]" j6 W
. J4 a* b1 g- S% F
/ {5 |) G1 [ k( I7 M+ d* P
5 p, b* L5 G( E1 Q 6 E3 z* z* C/ p1 A
2 w# O" I" j7 P' M! D
# E* M* l/ [# j3 J/ a3 G: b# S3 l" n; P) o+ _
3 v' G' g# B& V; m% E/ u
3 l3 o0 z v6 k1 q/ l2 a) W- A. @ " @- h6 z, h2 f4 X( k
|
|
[复制链接]
