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发表于 2012-11-13 08:48:12
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1判断语句
, F6 z7 S! Z) x1 U3 | if <condition> then5 a& X) D& b: ?! {% w1 t# x
<statement sequence1>;5 E5 c9 B3 v" F, O+ B
elseif <condition> then! t- i" p# v3 p$ Q
<statement sequence2>;
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<statement sequence3>;+ ~4 w5 d4 n1 D5 i
end;
/ m) \5 d8 a$ V/ l* n- N k如果分支比较多，用：) K0 H9 y8 L* `% @. K
inspect <expression>& ^4 X! G% W( K
when <constant_list> then
% s2 y0 ~# }% U! } <statement sequence1>;
- q+ n) ?3 l; C; I8 V8 ?* v- D1 R6 I% q V when <constant_list> then" Z G. ^% ?: k& p
<statement sequence2>; @4 P. t/ l: q* E1 i
...
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<statement sequence3>;. |+ Y3 A9 ]4 a0 A j5 o# j6 [
end;8 p; Q$ C' h1 Q
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2循环语句3 w5 w' h1 T3 U7 b
(1) from <statement sequence1>9 c9 i+ T/ I& q$ @7 n
until <condition> loop: k! b' n, D: t5 c1 v U
<statement sequence2>;
% o7 {% i2 s& H) C1 O1 c end;
& K1 t- y# V: h& [4 y% S: Q (2) while <condition> loop
; Z4 v$ O: ?* z/ a% } <statement sequence1>;
8 |/ P0 G g6 w! x6 b end;! V( I( u5 C& s) ]# x( |
(3) repeat
- T! P4 L/ j6 l4 X' i" i1 o <statement sequence1>;5 I" g7 P* @+ _0 H$ g p5 u
until <condition>;
/ Q# l' t% k8 {, g. y o& e' C (4) for <condition> to <condition> loop( b2 ? u* {( x& k" E I3 w
<statement sequence1>;" d1 f; f. |* n6 d* ~% r, D8 V
next;
2 }1 F8 G/ J( n b. c* i. K! j3中断语句" k4 s8 j+ }9 `7 k* J
waituntil <condition> prio <integer expression>;, `' g* s. K0 z
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以上为常用的函数！/ k7 A. ^0 R0 X; I
还有很多，如有需要我把资料发到你邮箱里 " ^, D. @2 u1 D4 V& |8 t0 t
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