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发表于 2012-11-13 08:48:12
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1判断语句
: k( a+ c( o' X4 P1 V. C: k if <condition> then
2 U/ T- t& j, H9 h/ \6 i \ <statement sequence1>;$ u8 l! N. Z( W
elseif <condition> then
. j. f. C+ [ S6 }* Y3 [; A1 T" d <statement sequence2>;
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<statement sequence3>;0 e$ W7 A: |8 ~( s$ m' f: U) e
end;
7 ~& d9 ~$ H) } I如果分支比较多，用：" U" G. M% I7 H+ X- ?) S6 H/ q, X
inspect <expression># g0 Y: }1 D- {: w b6 o. a" W
when <constant_list> then4 m9 B* J/ f/ `9 ~% T6 e7 B
<statement sequence1>;
$ t7 e; Q$ {) t1 q* @ when <constant_list> then! N% ]8 j3 A+ c: \0 I
<statement sequence2>;' ~7 k; c: a7 e5 G" N% U
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else& y. Q* Y1 G X3 J% V) |8 Q
<statement sequence3>;" M. C: J( f& f6 }+ h
end;: a5 U t; d0 ~- N1 B, J
0 W& l m% b* l2循环语句8 J) G( D# {* N9 W4 W" |
(1) from <statement sequence1>$ s/ o) L6 z8 _9 v, d) T6 S. E
until <condition> loop: h6 ~5 G6 W' s0 `9 z* O! r
<statement sequence2>; {' E: x5 J: b: o# T) E! ^
end;
+ B+ m3 i6 D% E7 C3 U (2) while <condition> loop
2 C$ E$ N* m; \4 V- a$ {. G7 u <statement sequence1>;6 C) K6 S3 O/ D* o. K7 W
end;( h. |# Z% Q W- F1 H
(3) repeat ! ]& d: a! m2 ~, d
<statement sequence1>;4 I; v8 _6 L( g: T
until <condition>;1 j4 I$ _( v( K9 b
(4) for <condition> to <condition> loop% s; E. H7 c% |/ j, C. v$ [' b- c
<statement sequence1>;5 X* P: N5 T# B
next;, }! f5 d& G2 l9 s. X$ T3 N
3中断语句
0 d& Q9 N) Z& G3 K( e% x waituntil <condition> prio <integer expression>;
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以上为常用的函数！
* M( E* j) W* U) r. j+ Q. @( k还有很多，如有需要我把资料发到你邮箱里
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