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发表于 2012-11-13 08:48:12
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1判断语句! _8 q: t; E: ?
if <condition> then) E2 ?; q6 S/ t8 V$ v- F
<statement sequence1>;
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<statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：8 X- S2 m; Y2 U9 q5 w
inspect <expression>
/ D# @2 a6 \: d) l' [( \4 B when <constant_list> then
; B# I" n) d# g2 b- t: F2 B <statement sequence1>;3 j' N d0 z! E- M
when <constant_list> then
! j" q) I! O9 J& h, c+ v <statement sequence2>;9 d8 U7 b+ ^# X* E0 f3 ]! I
...
: B, t: ^# f6 W0 m else
* O7 Z3 H5 v) F" k1 d0 D" @ <statement sequence3>;# E; I9 O2 e1 K2 ~
end;
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2循环语句
: R2 V& a# e- l0 v1 D2 h) b (1) from <statement sequence1>, ^' `" B& f/ a* `7 u
until <condition> loop
$ J; r; B8 f, V* K. ?, {* v <statement sequence2>;
) j- }" k# l6 @1 `) ?% F& P! v end;
; ^2 L) r) r# [$ M' s2 R (2) while <condition> loop9 n7 ?& k9 y) L3 T
<statement sequence1>;
( Q, }/ Q; l. L" ] end;
* c5 b3 X7 O3 L$ n/ C4 k- k. @) A (3) repeat
! A6 A& N( ?, R; _" t <statement sequence1>;- K" O% M4 D4 S
until <condition>;
) _3 |# Q( y8 P# c (4) for <condition> to <condition> loop1 W* m/ G0 Q/ |! @
<statement sequence1>;6 s3 k' O$ J1 T2 `, B! k) D$ }
next;
" j6 H B9 P/ B4 W% C3中断语句
* G; ]: [& _+ G% a/ D% i# X& X$ Y* | waituntil <condition> prio <integer expression>;# r" f# J% Y5 b* c6 `8 [; P7 F
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: W0 E0 v2 b4 x/ c3 x" ~: t以上为常用的函数！$ X% m! J, \. _ W9 l
还有很多，如有需要我把资料发到你邮箱里
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