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发表于 2012-11-13 08:48:12
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1判断语句( O0 P: A9 ], @
if <condition> then
6 f0 A& _" i7 I$ K1 I; E; | <statement sequence1>;- Q0 n$ J) Q( ^ [; ~; p- e* e
elseif <condition> then* U1 }- T$ M, D' U
<statement sequence2>;
% X! p4 b5 A+ ^: k4 c2 N) @# A0 V" n else
2 v4 P3 m! U2 Y# I: b, K <statement sequence3>;
! i/ E; S- E5 e end;
, z7 D* B, J! f( t如果分支比较多，用：
$ Q) {, q( k- g( z inspect <expression>
: `- A0 a6 `& i when <constant_list> then
* W! t- q7 y C5 F <statement sequence1>;
, S( `( {" a5 b) q7 j/ n when <constant_list> then1 V7 N8 w( x7 y5 ^% Y% s; Y
<statement sequence2>;
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else% x7 b. ?$ `( P3 F/ s% ]& w
<statement sequence3>;
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0 l/ E5 u2 [# S) ]" {
2循环语句
* n0 x7 j6 I# V; C9 }/ b (1) from <statement sequence1>& {+ l' `8 {! v' t6 C
until <condition> loop% ]1 e; k. ?: }# Z! ^, N+ I* a% [+ g
<statement sequence2>;" w _3 W% c X; b' }! Q; V
end;
! n: H& P- L9 \7 N: _) ` (2) while <condition> loop# S8 M! L' `6 N( \
<statement sequence1>;; l& c- @& O% ~$ }) y( d$ D
end;
1 v! t% j: T6 I0 _; Z (3) repeat ! J% q- q2 U H D* R$ }4 }8 u
<statement sequence1>;0 @" C$ }, @, z1 M7 t
until <condition>;; [- S3 [$ X" L& @4 ^
(4) for <condition> to <condition> loop
: I# Q; F9 @; W8 L <statement sequence1>;) G; F# K4 ?$ L+ r, w' H0 U
next;
! x8 W3 f, g2 \ B% u* Q6 ?8 ]3中断语句
]* M3 }( [. _2 j waituntil <condition> prio <integer expression>;
3 H2 q8 Y& e# Q" z. L* T1 J( x9 K6 w% D- T" B# j
. ]# h4 X! o6 k# C0 c. C以上为常用的函数！
- j! y9 }' |- O$ v还有很多，如有需要我把资料发到你邮箱里 + [0 d5 B/ b& T' B7 @4 Z6 O
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