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发表于 2012-11-13 08:48:12
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1判断语句
3 ^+ s" r; r# ^8 _% l( a( ?+ J if <condition> then
$ U5 R4 M. x0 d* [5 H) ]6 r$ N <statement sequence1>;- u7 g( J; [3 w- \ E/ `
elseif <condition> then7 A7 Q- }8 i6 }/ K( a: p2 H
<statement sequence2>;: `/ e* D9 s! x r# z& w0 X
else
, h# f: |. }3 | J) L% s <statement sequence3>;8 R+ _! @# E8 P7 s7 X9 E, b: N% d
end;# w) Y; {7 l5 k& f$ i) M- ]$ L$ t
如果分支比较多，用：$ a+ k @. c+ G" Y- C2 O
inspect <expression>$ Q- a& g+ T" g/ U
when <constant_list> then9 z. x8 H5 A( X
<statement sequence1>;
; T: N, s* s4 W3 k! F7 O0 T# P, z when <constant_list> then
$ V6 d# C1 F$ t' b: `; ? <statement sequence2>;
. `, e8 a& F+ z& s ...
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<statement sequence3>;
" K4 x6 ?# X2 m3 y1 H6 e" _- e' Cend;
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6 o5 O4 r$ Q3 N$ k& X! T2循环语句1 V9 y1 X- \ P5 v3 c8 n% w/ L% l; B s
(1) from <statement sequence1>
. W& d! T9 Q) E% T5 C. }# C until <condition> loop
5 n2 c; z f; r/ f <statement sequence2>;
7 J# k" B+ z3 g6 | end;* L( F, N$ R4 H3 G9 m" s
(2) while <condition> loop" L: Q3 K+ W4 X2 ?- {
<statement sequence1>;
. @' a; w% A$ S end;
9 `3 j) p/ {% A2 l0 |. c( L8 D (3) repeat
6 v! E) m. V5 `% ?1 U3 C <statement sequence1>;
" ~; U% h) L+ m. x D- p until <condition>;
6 B3 T. ]' R9 z+ t; D! Y) W& P (4) for <condition> to <condition> loop
p1 ]( d A/ b7 s2 X- G- B0 X <statement sequence1>;
! h O0 b+ Z& j" M, t) W next;
! c) ?2 p6 o; O2 W( P3中断语句# `& t- P2 K8 y5 @' @
waituntil <condition> prio <integer expression>;
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以上为常用的函数！ k; S e! b5 Q" P# d
还有很多，如有需要我把资料发到你邮箱里
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