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发表于 2012-11-13 08:48:12
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1判断语句
3 p. t! v- k$ ^& u if <condition> then+ Q) N/ F* x$ ~5 \( V) ?" }" v8 O' e
<statement sequence1>;
; ~) @' s3 }) ]+ u2 k6 @, D elseif <condition> then
+ S2 K' V) K0 z( z* L5 O+ n$ A <statement sequence2>;5 a) R$ r9 p+ G% B3 H1 Z( ?2 o" ^
else
& Q7 l, ^- @( o7 ^0 @. v <statement sequence3>;0 {" B- W2 e* Q' }
end;
: n( J9 k$ l) g如果分支比较多，用：
( E _( q, F8 b1 B! v& g inspect <expression>
9 I! ^# ^+ ~! n' ? when <constant_list> then
* f' C# j% |7 B D0 w9 A <statement sequence1>;
% c7 u0 O, c) N3 G when <constant_list> then' d' P8 F9 {0 m! u! u4 Q' ^
<statement sequence2>;9 U1 k; q. T# y% H
...7 f7 G) E! c; F
else
6 C) ~2 B w- O. s X <statement sequence3>; P( G9 K# G+ J# R) B/ b! e
end;2 O- {/ X% J0 l7 |
/ ~& K+ J) p" A) q2循环语句# |# Q, r( b: w8 K# h1 m' i
(1) from <statement sequence1>. ~1 x) b) A: A7 K6 S ?7 w7 N
until <condition> loop
- Y" X1 P: ]% Y' ~+ }- t <statement sequence2>;
9 g! P+ n+ X( S. Z; W! D end;! {; O. b& ^5 |9 r2 O
(2) while <condition> loop6 {2 `. f6 T) v7 P+ M
<statement sequence1>;
6 H( Y6 I% ~' q _ end;
" H0 v; _( l5 z$ z9 X (3) repeat 1 b- K5 k! @$ Z- F- M
<statement sequence1>;5 {" u# V. h1 r4 a: b! L
until <condition>;8 n; R9 r1 f9 y
(4) for <condition> to <condition> loop
( a3 w) K3 Y( {+ M' Q7 x, g <statement sequence1>;$ E8 H' X& c% y/ k
next;
5 k1 w. `- V& @( W( E) G/ [4 y3中断语句( O1 p8 A! @6 L9 D/ a. Q8 _
waituntil <condition> prio <integer expression>;( x: O) Z& e6 p& P4 c& c7 n' g
* x/ f% w% B0 W; T3 J/ o- [% J+ i8 J
以上为常用的函数！: E! [) I! Y( H$ M5 C1 Y0 }
还有很多，如有需要我把资料发到你邮箱里 8 P% T% ?% h) x( s# o
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