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发表于 2012-11-13 08:48:12
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1判断语句1 s u1 G$ d, V
if <condition> then
* Q6 p2 ^ L8 ^6 M <statement sequence1>;
5 e$ a: A! y( q: I8 L7 q1 ` elseif <condition> then' t" e1 Y' M7 V5 @+ d( z; G! }1 z
<statement sequence2>;. o7 D0 B, z& q3 J# x2 l- Q! `; l
else D) I* i) Y% H
<statement sequence3>;/ v/ m+ \3 [! K7 A! L% X9 K# b
end;) g2 j$ i* \6 T$ G
如果分支比较多，用：& L' B0 U2 j; Q5 u8 |* k. X6 Y
inspect <expression>
: T& K5 W: `( G! x2 Z when <constant_list> then
9 W5 Z; q% U9 I+ _ <statement sequence1>;
/ M# ?( I/ Q4 y: D B p when <constant_list> then
# P( z/ N) [( d( B <statement sequence2>;
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else
$ E2 ] C! R9 ]0 X <statement sequence3>;
& |7 T5 o G1 q' yend;
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" Y. S1 e1 w" L/ R$ g) F1 L; D2循环语句# X2 M1 S4 k' r8 m; P+ h* t
(1) from <statement sequence1>) x, M0 A+ e& {. h) {3 w
until <condition> loop
" k1 y8 @$ X9 }! ~0 t" ~0 | <statement sequence2>;
6 q+ W7 C0 ^0 N6 c8 P end;
* Y& w8 Y5 I# V, V5 r (2) while <condition> loop
8 q$ N" O$ x5 N5 F! e <statement sequence1>;
; M, p) |7 r1 K2 `, Q end;
7 G: W. T: z; m& F6 P (3) repeat 7 y; }% a. \8 i3 q# i3 C! R
<statement sequence1>;
0 k1 B, m: X: E& Z9 y until <condition>;
" ^6 Z0 D6 Z! f$ R( h4 Q X (4) for <condition> to <condition> loop
& d$ ~# _8 l4 i# u/ s9 Q' m4 l. { <statement sequence1>; _- \* d0 A/ q
next;
n ~* Y/ D. Z) ]% Z3中断语句2 i8 T: ?" ?' b: \3 W
waituntil <condition> prio <integer expression>;
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以上为常用的函数！; ]: J! P1 \! K- k. x- ~
还有很多，如有需要我把资料发到你邮箱里
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