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发表于 2012-11-13 08:48:12
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1判断语句3 M% d6 X. z, L2 V" c
if <condition> then
- X% l9 ~; r* m) R& Y8 Z <statement sequence1>;
1 e3 z4 b% m& w# H elseif <condition> then! L, v2 |' ~) ^9 Q
<statement sequence2>;
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<statement sequence3>;( A8 V, v1 e! I6 d4 Z+ h
end;
: b4 Z( |5 y% S/ x) U如果分支比较多，用：
7 |5 g* e9 O2 q$ I0 S/ }* X inspect <expression>
0 L5 [, s* ?, o# B. m' {* D when <constant_list> then
( X" _$ A8 N, ~/ C) t4 f <statement sequence1>;
2 ?% h$ k( q2 H7 U$ S: M+ k when <constant_list> then- [2 m6 S# @3 S* F
<statement sequence2>;* W7 f, L) b a- C0 G
...
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<statement sequence3>;5 a+ b9 Y. K# H& y( w" h/ r
end;% ?0 x0 j( P0 {: {
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2循环语句6 C+ B' Y& o6 L8 t
(1) from <statement sequence1>
0 w# f0 M, ^, w until <condition> loop0 J2 j/ q( k1 @+ ` a' c
<statement sequence2>;
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(2) while <condition> loop& Q' a' Q$ W& z! ~: C V) Q
<statement sequence1>;
. j% K& T* e; j- S# N+ M9 x( g' h. e end;! _2 K: b4 L$ ?, h' Q% S" a
(3) repeat 0 v6 [2 F, O7 s5 I
<statement sequence1>;
9 |) C4 u- p0 m& x until <condition>;
+ A# g/ p7 ]9 H. K# G3 w8 q9 K (4) for <condition> to <condition> loop- @8 J. W1 I' l( U* h3 v
<statement sequence1>;" A6 P- E3 D8 b2 M8 g8 A+ N% s
next;
6 u: I' Y; w* X' X# y9 O3中断语句6 Y4 ~' B2 b0 h* G+ C
waituntil <condition> prio <integer expression>;
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& b. k; ?1 N; I/ p X; V$ b9 Z$ m以上为常用的函数！' S8 @. W1 y" y6 A
还有很多，如有需要我把资料发到你邮箱里
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