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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
! Q6 d$ T0 c7 W: y4 P8 b if <condition> then
5 h e; T- c$ k5 U5 [ <statement sequence1>;
" C* }# w6 B) n* k" c. v elseif <condition> then/ _3 y' \7 _: T( d% M# X' {! i+ e
<statement sequence2>;
0 K$ X9 m, x. X& [4 `. D else o0 r' T1 _9 [
<statement sequence3>;
7 _- l$ i8 c. M9 H- }) Z end;+ k, z' H$ D5 o& H, r
如果分支比较多，用：4 C8 \; O6 J3 Q, [9 W/ b& D/ ^) ^
inspect <expression>
1 f! Y0 G" m: [4 v! V. V. n when <constant_list> then6 e% @" t! v/ Z! g, K; @. I
<statement sequence1>;
5 x$ j4 @( Y% B# B6 L7 p% E8 v when <constant_list> then9 H8 t9 W- h- n4 B
<statement sequence2>;/ ?1 N% _8 H& K- c
...% W/ G5 e9 s3 g, i
else
' s: t8 [0 f+ V& L <statement sequence3>;, |& d& E1 _+ o; y+ Q) j- O
end;
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2循环语句
3 h( C' u2 ~7 S4 U5 s3 g% G (1) from <statement sequence1>8 ` _4 a$ v+ k% `! g# R
until <condition> loop! x# d5 ~# p+ Q6 h; D
<statement sequence2>;7 P( n4 a! c8 G! V, c/ Y
end;
! B+ e0 C2 t( Y, o- ` (2) while <condition> loop3 h8 n6 x* f$ K
<statement sequence1>;
! ~% w2 J O8 L% E9 b end;
5 V2 \& u0 g, A; X: B6 m0 _" j& e l (3) repeat ! Q$ c, j6 ?: P* D( {! r( p4 P' b
<statement sequence1>;& H: d4 l% r" Q2 e, U4 w
until <condition>;* s& S; x' d. Y4 u# i; w
(4) for <condition> to <condition> loop8 O+ O( x( K4 i8 I4 i$ j" `& V
<statement sequence1>;
Y, H7 _, S1 Y next;
. x+ z; A3 Q- x1 e3 }3中断语句- Q, ~4 G, V( X1 i F2 e
waituntil <condition> prio <integer expression>;6 L$ j/ q- _9 T$ e% h; S8 q
5 a6 F+ U+ [' ]' k( G) ~+ k
% A$ s F+ y- G- E0 d+ h" g! E以上为常用的函数！
9 p# u `0 w5 i3 U. G9 q还有很多，如有需要我把资料发到你邮箱里
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