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发表于 2012-11-13 08:48:12
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1判断语句8 H/ Q! k/ ?2 ]# t, n4 Y
if <condition> then y( B5 N: U; h2 l1 H u
<statement sequence1>;
3 D* C& {) Z6 V& {/ y) O2 C4 \ elseif <condition> then
5 ?7 F! _1 d9 d! I5 x <statement sequence2>;
+ p0 x3 T% w3 W else 7 H) N; O2 h$ W+ R# M2 B5 F
<statement sequence3>;
7 M0 V+ [$ U' h, @% j end;# q& o. `8 x9 ?( J1 f/ {! a
如果分支比较多，用：$ }* ]+ A/ _& X
inspect <expression>; j9 N' W6 u. H) G7 P3 M. I/ i
when <constant_list> then5 @& W3 c% h: b
<statement sequence1>;
/ f3 }% V# c: g+ b- H5 {0 C z/ Q& L when <constant_list> then
4 R, K+ Q" i5 h7 g" U <statement sequence2>;
+ G |3 p/ B( p& r$ ~, n8 ]; v- F ...
, X) Z$ A( A: y" X6 ] else
- i, H3 y1 K. U! E <statement sequence3>;
1 p2 i7 D B) Z8 Jend;
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2循环语句 v% |3 h5 K5 Y" U
(1) from <statement sequence1>1 @* P. L5 ~7 Y8 O
until <condition> loop
2 r$ A U5 ]. \/ V- } <statement sequence2>;
9 D- O6 o' X2 }0 ~2 z/ @! T" E9 w end;8 Z5 T0 Z4 D; f0 r* K
(2) while <condition> loop
) K3 y( \' G% c2 { <statement sequence1>;
2 J, A+ _% h M( l; s" y9 s2 w end;
. _3 A! I& }7 }2 h, ]' J( U% P# E (3) repeat 4 z3 b# @8 I1 f1 I8 V" N& V" C
<statement sequence1>;
0 G, w$ M" u* T2 g8 G7 V until <condition>;
! E! O% |' P6 J+ j (4) for <condition> to <condition> loop
( }7 v$ d" _ s- A# \ <statement sequence1>;+ f: g9 _* g/ S) E
next;5 B7 P; ~2 x6 M1 ^( a
3中断语句3 \ u& [* _/ X9 R) A1 ]
waituntil <condition> prio <integer expression>;6 T! \$ J, Q+ N; f& N8 u' P1 G! m
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以上为常用的函数！
7 o7 V6 P! P! t6 Q9 V2 X; y) z还有很多，如有需要我把资料发到你邮箱里 , S* ^3 r6 }+ u
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