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发表于 2012-11-13 08:48:12
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1判断语句
* d9 m5 D* N; j, Z" L if <condition> then
# D% W3 J: a- T/ X( P$ b <statement sequence1>;
$ w0 e5 w2 V/ e2 p0 L; ~% M elseif <condition> then6 i, } P! }/ Z& A+ j; v
<statement sequence2>;
' U1 t- w+ Y+ m2 ?) G. f4 m2 @5 U else ! R! L. v+ |3 N. }( L
<statement sequence3>;2 s/ {) `/ V2 h
end;
; Y, X" o7 A* D4 c" q+ Q如果分支比较多，用：2 J9 g+ U0 E: G
inspect <expression>
9 p" E$ u3 v" x when <constant_list> then0 F3 o; h4 ], H
<statement sequence1>;
h% G, c$ B3 l6 k6 \ when <constant_list> then$ X) u$ l/ D# Z1 e5 C! H1 x
<statement sequence2>;
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else
. z0 ]3 v6 a3 c& u <statement sequence3>;
+ }0 x% O5 [4 ?: B3 wend; b5 P8 d" _) d3 O% b* N, C
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2循环语句
# Z; p6 p2 T9 C* w+ g/ i+ P, H (1) from <statement sequence1>& m& @6 B3 p# {; c' z7 m
until <condition> loop( c$ E Y, }6 y7 @0 n- P0 b
<statement sequence2>;
( j# z9 c! |8 T6 _ end;
8 _/ P% c0 s7 j (2) while <condition> loop- Y) c2 X% E& g# Z( K1 i) N
<statement sequence1>;, Z- s5 l- ~( o
end;; n7 Q9 M+ o* ^2 G/ ~
(3) repeat
, @( P5 b/ O' s* A' R F5 c <statement sequence1>;+ r T3 O3 y2 T+ ` B8 B
until <condition>;
4 w* v- {2 E1 x (4) for <condition> to <condition> loop. Q T6 V* d3 A. g
<statement sequence1>;, R3 P9 V6 Q, b4 r
next;; W/ ~) }+ w+ N4 u
3中断语句
) g$ [7 u7 H2 B H( O# X4 Z9 b waituntil <condition> prio <integer expression>;
- z/ u8 V( z V. Z% J5 D; z# \* f/ Q7 E8 p: N4 {
1 g4 o& c' [& g. `: _& F
以上为常用的函数！
. j" l1 b n2 H' U还有很多，如有需要我把资料发到你邮箱里 # V0 f8 T: j6 ~/ Y9 F. d
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