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发表于 2012-11-13 08:48:12
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1判断语句: q+ `- F: b0 ?0 b3 N! N
if <condition> then
0 Z6 `. i( I: T5 J- c <statement sequence1>;* m$ v1 x( U+ Z" W4 c, i
elseif <condition> then
1 Q- |& l: [1 S+ {) X. P <statement sequence2>; F6 ], M/ h) W' @. }. J
else S" _0 w8 c" T$ c, Q9 F
<statement sequence3>;
$ Y3 K( t% J- D2 z$ q7 d end;
1 _& v9 B% G7 g% K" C* Y0 F如果分支比较多，用：, C) N4 S5 k8 [0 W6 i5 K7 y' w
inspect <expression>' M( `3 N/ C* a
when <constant_list> then' ^( [7 D3 E! g' l2 q' w/ `2 N% t; b
<statement sequence1>;
& E6 ?4 Q" A3 o6 P6 H when <constant_list> then
% g5 J) D) J l, Y; u. |: A* n <statement sequence2>;
$ E+ _$ R4 y* U' l( i ...
/ _- ^- v& F$ C& }0 L else
5 N( h" q6 X- m$ v6 [3 z <statement sequence3>;
# w. j1 u- N) I. jend;8 h5 Z# }: P% t3 Q! e
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2循环语句
( h1 L8 f+ c+ y7 K (1) from <statement sequence1>
5 P6 r% P" w9 Q. \7 v8 ~% T: ] until <condition> loop
: N& h) T1 I2 a4 Y5 N/ g <statement sequence2>;
$ Y( \2 D9 H+ l' ]0 e) ~$ | end;* f/ ?; S- W: q8 r, B5 H1 o0 ~
(2) while <condition> loop& e1 |1 ^6 _& l3 x9 ]
<statement sequence1>;, g0 d6 {& M6 y- V! y( n
end;
) W5 ~/ B+ v' {/ B$ \% R (3) repeat 2 E. S! K$ Q2 O! X( j" h$ _
<statement sequence1>;
0 N1 h. T- [" d, f$ N# O until <condition>;. \) U# t+ l& V2 [, x# c4 [
(4) for <condition> to <condition> loop; h% N" }/ y- K# P5 C
<statement sequence1>;& B% T4 b5 N3 i1 {. j y* u
next;! N% s' Y" [: P; i" V# F$ p
3中断语句
, y7 `1 q# w' [6 R waituntil <condition> prio <integer expression>;6 B6 s, \/ L# P5 B9 K, x" X" S
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+ P- t, D6 o) E! e7 Z以上为常用的函数！8 q5 |/ D4 }1 `9 @+ k
还有很多，如有需要我把资料发到你邮箱里
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