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发表于 2012-11-13 08:48:12
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1判断语句. t' \& n6 }+ e. B; W" U
if <condition> then0 D0 ?' H% m1 c6 k3 { W
<statement sequence1>;" c; I# M( ]# D+ w1 e
elseif <condition> then4 d! [$ H1 I( Z& p" F8 D8 t
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：6 \; U: u: e" F% ^% `. W4 ^
inspect <expression>, {7 _4 B' A/ @8 l2 M
when <constant_list> then
3 N7 E2 Q$ V/ w- T1 w <statement sequence1>;
! U& x, U! L) N. u7 I when <constant_list> then
5 t0 U# q* {6 M! |/ e <statement sequence2>;, U4 E" D* ~( s6 D
...
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<statement sequence3>;8 J$ W2 p' ?9 [
end;
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2循环语句- x7 O) W4 O4 g6 z( b X
(1) from <statement sequence1>
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7 k9 }* H# F; o5 p; m+ b <statement sequence2>;7 i: ~* u- {& ?, Q9 D8 @2 _, D1 q
end;1 _" s* ]" c3 E2 g9 a1 t7 s$ {- b0 n
(2) while <condition> loop' t: q' ~& L, Y5 S# |
<statement sequence1>;
. F8 u9 i% h* r end;
% N2 J% u3 |& B+ Z0 P& V (3) repeat 8 |; o( _& {) S% w7 Y' v
<statement sequence1>;) M4 J0 p0 H) P) P2 K- Y
until <condition>;
4 c% I9 W4 Q1 R3 S/ Q) u/ e- d (4) for <condition> to <condition> loop
0 ^! {$ N3 J! `% y <statement sequence1>;
" B' O' l$ C3 `6 ~$ \ next;
2 t0 U* }4 ]; e3中断语句
* I4 x5 w d6 ~3 P" S* e5 z waituntil <condition> prio <integer expression>;3 P6 a# n# F: g+ i, d1 u0 o2 t
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/ [2 \" t% h! `: u* \( h% v) O以上为常用的函数！
( k T% v9 a; K$ q5 r) \. h还有很多，如有需要我把资料发到你邮箱里 - t3 W, H& J4 l; O
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