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发表于 2012-11-13 08:48:12
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1判断语句- n: ?2 H0 y6 w& r" Y1 h' |0 c. m
if <condition> then
' R: W6 T. H' X2 L <statement sequence1>;
# A; E) Q- P& P4 W elseif <condition> then# q, i h _! |
<statement sequence2>;) A1 }7 ^4 U4 J0 W9 |6 N! ]- X
else
) R: U6 N0 ^; a/ g+ X7 }) a- E <statement sequence3>;2 T4 ?* F1 R+ n! t; Y) r
end;8 ?$ N8 J. s$ j5 Y
如果分支比较多，用：' a# w+ |, [5 F9 s. D
inspect <expression>
2 y7 e0 L E& P$ J _ when <constant_list> then
$ @5 R& w! v' ^ <statement sequence1>;, g6 _8 S/ m `! U" {: h
when <constant_list> then! A1 D q& G8 C3 }# r; x
<statement sequence2>;3 l5 f2 z3 ?+ @ C3 [
...
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<statement sequence3>;
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2循环语句2 I$ m1 w& p0 J+ k
(1) from <statement sequence1>
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' E& u5 g% ^4 R6 Z' F+ T% n <statement sequence2>;
# F) q3 D% k! Q end;
6 I! F4 A; @3 `8 ? (2) while <condition> loop
" Y/ O! A) n* S8 H <statement sequence1>;5 u: \0 t+ Q% i# a- I/ @5 V
end;" H' M7 U. w) p; S% i6 M) z2 {/ K
(3) repeat & l6 J3 ]/ W7 l4 r. h
<statement sequence1>;
3 A( D$ n% T$ u$ ? until <condition>;% f: w& C1 ?7 i' _2 j6 P% f% S- A' I
(4) for <condition> to <condition> loop" }+ M$ O3 D* F- I( J1 p k
<statement sequence1>;, C* ]2 s! v. ]
next;
- |: s, ~+ N5 D5 u7 d X3中断语句
- ?7 U4 e7 m+ n z4 U waituntil <condition> prio <integer expression>;9 s+ U; L% J9 G8 _/ R( N# b; s8 O0 I
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以上为常用的函数！7 V- h: t& G. L. g
还有很多，如有需要我把资料发到你邮箱里
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