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发表于 2012-11-13 08:48:12
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1判断语句6 V8 o' y( S" t% o. J
if <condition> then
& g8 m2 S7 w- f <statement sequence1>;
+ z9 b0 J- d8 f6 U# x elseif <condition> then' ]# b, L+ V9 ?! @ }, K$ W+ R
<statement sequence2>;1 M; W" o8 K) X ~$ U) V% C6 i% F' `
else
2 ^' e9 H) d. l- A <statement sequence3>;2 O/ z* c' f& ^ x- l% c4 M
end;* t: n8 a4 t5 K) E9 j
如果分支比较多，用：( P2 g# ^. ~& c% p$ A
inspect <expression>. v n* `6 K. _) B: t" ]
when <constant_list> then, R: j6 O) N, ]7 ~
<statement sequence1>;
l5 m! l s/ V when <constant_list> then! K, v5 y4 f: `. I
<statement sequence2>;% ]8 ^9 N* {6 U U0 J: l! [$ G$ ^
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else
; j# A0 ~8 Q) S( v' B, O# ? <statement sequence3>;
, f+ e# E0 p" Q2 n3 @+ ]4 zend;
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- s1 e& K+ j( k; u. v2循环语句
, o6 F( S' N$ O, X( R( {1 z (1) from <statement sequence1>* P1 V& ~# Z8 l
until <condition> loop
, K, D5 s2 p' E* n <statement sequence2>;
/ ]3 [" n# I# X$ M: g O end;9 {2 W! J! G1 P! }
(2) while <condition> loop
% a7 ]) S# G) V# m- g p: Y0 E <statement sequence1>;/ X7 u6 h3 r% }6 |+ Q
end;" k6 f# w- R/ `* c
(3) repeat Y. U1 R7 z. P9 v: ^5 c( ^
<statement sequence1>;
8 n. K& X9 }7 v a until <condition>;$ X+ l: J/ T; t% W3 j* D0 y1 i% h
(4) for <condition> to <condition> loop5 |1 z+ x% j4 I: ]
<statement sequence1>;8 r+ d9 [* H% m! M- R3 G; w9 F
next;- q6 c4 l# Y, A, ^$ A
3中断语句
+ c8 d G: p: U# @/ ^ waituntil <condition> prio <integer expression>;/ b+ ?7 d" ^$ s3 b
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以上为常用的函数！7 M0 V* h, ^# ]0 T& k% A) d; ~
还有很多，如有需要我把资料发到你邮箱里
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