|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
. A+ K3 Y8 h: o J if <condition> then: \9 S' ~& B, S7 X. f' p
<statement sequence1>;9 C9 W3 C1 H3 ?, o7 ^
elseif <condition> then
- q8 ]; _% {; q3 [* N: @ <statement sequence2>;
; F3 _5 a( E/ c% A& X else
5 L `6 g; _* A W E; ~% ? <statement sequence3>;
: A" h8 O# D) n+ E0 K; S end;, ~% B* r# d- b
如果分支比较多，用：
1 F/ q2 ~8 \: E. g$ f3 t inspect <expression>
9 y+ e+ ` B, n, V9 R; r6 g& c9 \ when <constant_list> then# M3 l1 ~* b, [; H3 D4 Z' W) S. }9 [
<statement sequence1>;
. |, m' O# r* l2 L4 m4 J when <constant_list> then
9 O$ M/ O/ N5 ^5 s5 Z( M$ p <statement sequence2>;1 G2 N b- `8 J' K
...4 J2 M+ j! f) Z
else
B/ E7 i/ a# `0 Q `2 q5 k3 G! Y <statement sequence3>;7 n0 ^+ ]4 S' G. d% D% u
end;
( T, Q- `6 _8 p. O W: k! e7 D9 }9 H4 L# x, d1 d
2循环语句
! @4 U/ v- P. a* ?, W: d% z8 ` (1) from <statement sequence1>* H+ \* y5 @# K \+ e. m
until <condition> loop- ]0 h# S k# O; V3 \3 n9 Y, E' Z
<statement sequence2>;
9 C6 e$ P2 N9 z6 T& I9 b end;9 p, }/ l( P* b1 S
(2) while <condition> loop$ Q4 I4 E: }; _: G& v4 Z7 C
<statement sequence1>;/ g4 z5 {0 z7 N$ i% p, D+ k' d
end;- N" H+ I- J: @
(3) repeat * c9 T/ `3 B+ V6 c9 z
<statement sequence1>;" u4 s9 n" v9 Q+ i7 V6 K, e; ^- G% \% F
until <condition>;& Z( O+ \+ l/ b, h, B3 f; ?4 ^
(4) for <condition> to <condition> loop' C8 T3 [" ]- `1 d4 g
<statement sequence1>;
5 W, v5 d6 d* d! x8 Y" }2 g next;
/ \* p" e! y% ^% ~# W' o3中断语句
k+ Q @& G: g! N9 i* F, G$ ` waituntil <condition> prio <integer expression>;% W0 p+ _5 P3 Z4 I
7 _2 f! b: b0 U4 H1 r) [+ r
, n" \1 K; O4 C2 l3 O+ a以上为常用的函数！* V3 W! I+ H& T
还有很多，如有需要我把资料发到你邮箱里
5 ? [" S6 k+ @$ {5 D
6 k% Y& E) @) b+ B. V- S0 s( x4 I# T3 _- B# G4 b* ~+ m
( _ ^7 [1 Y" |9 T5 ]* j6 v5 S
2 S6 l- c; H& K4 d
0 B- T% {8 x8 D6 N2 o( ~7 k8 n) _2 N* [- y8 b+ G9 B
9 o7 b4 N: c/ Z ?
& M2 }, @- Z4 ~* {5 G, W
. r9 y5 o* l5 f. Q. c
5 f3 x) G( m0 @7 t4 {& E5 j
|
|
[复制链接]
