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发表于 2012-11-13 08:48:12
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1判断语句0 [4 p" D6 C" [3 v$ G" }9 b( v
if <condition> then
I' d3 ]: w1 ~5 q. M" I9 F7 s <statement sequence1>;
4 Z7 [; w: }# d4 K+ C) S# p elseif <condition> then
* A+ G8 [( v( o: L4 _) d/ ^/ i# l <statement sequence2>;
% X! V3 w6 `3 a0 J7 w& c) e% ~ else
; {, _2 Z. ]3 L6 @; r6 R) ` <statement sequence3>;8 m3 u- z3 P3 P: D0 i
end;
( q# U4 F' B# n ]$ D如果分支比较多，用：
& M, t! z9 c- V0 d' h7 T8 j inspect <expression>
9 A+ D; v8 u+ C2 A0 o when <constant_list> then
0 ?6 k) j. S5 K6 N; e r <statement sequence1>;
: t% o* g3 J! y2 V) h2 X when <constant_list> then1 [; B0 v& M9 a0 T$ p- x
<statement sequence2>;& j# _3 o; h; y! c+ b
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else
2 h7 @+ I, h' K6 v <statement sequence3>;
+ J1 j3 w/ U1 ~: \end;( G$ h8 e* t O M
& z( r* q u0 R4 a# k5 B+ ~, I2循环语句
; s1 H: x: r& g6 k (1) from <statement sequence1>: k# s0 k) N" A0 z1 G5 q! C5 v9 H
until <condition> loop8 G, ^5 D; ?( X, S6 |/ M; ]
<statement sequence2>;2 W+ ^% v, ^% H$ n2 ~2 {
end;
" e8 z, H8 x1 ~; P4 b (2) while <condition> loop
; l I: C: v2 f H. ^- _2 u3 e% f7 c <statement sequence1>;8 W- \' L! R- K5 M. L2 S h. n
end;
3 J" ^) f" s, f( c (3) repeat 3 V/ D, j% {; y) C# Z
<statement sequence1>;% F8 r' M3 A3 A' ]
until <condition>;
( e |# ?3 ^2 o3 c5 O (4) for <condition> to <condition> loop
( K0 S3 H* o0 Y6 y9 d <statement sequence1>;7 b' N' `9 K6 p
next;
; N; q" h g6 Z. Z/ e8 N" e3中断语句 E* v. V, {/ g7 L) v1 I
waituntil <condition> prio <integer expression>;
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! D7 h3 L# _$ ^6 \7 ^以上为常用的函数！
$ q3 e! F9 }( [7 h还有很多，如有需要我把资料发到你邮箱里
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