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发表于 2012-11-13 08:48:12
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1判断语句
' l( y2 Y/ F# z9 [ if <condition> then
+ h6 b( f4 w! t5 j( l <statement sequence1>;" t1 [# O, o) P2 \ J
elseif <condition> then
8 J# `# h4 K6 x! s& [: B7 y <statement sequence2>;% J3 S( C' F/ M6 t
else
( _. z2 U; {8 r+ ]" R2 h' Y <statement sequence3>;
: ^3 s/ g: B! \" I0 B7 M end;# K% P1 W: q; N, Q% {% B
如果分支比较多，用：: d* T( F! H5 Q2 |; `& @; a$ v
inspect <expression>
& {/ ~5 n2 ], S2 v7 w& G when <constant_list> then
! j, j0 X8 F+ T% R& n <statement sequence1>;
' Q; j/ `) G& D6 S7 E when <constant_list> then
+ G! L) J+ j' r1 h6 U <statement sequence2>;
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else4 v8 D5 p1 U: m4 S/ N2 E) Q
<statement sequence3>;+ W& x8 K/ \, C- L- Q1 W6 O
end;
% p5 S2 d. n: \$ {
1 U* Y) B! F1 y a8 T, g7 c8 z4 o: j$ e2循环语句) S. F0 M q7 M$ n7 Y
(1) from <statement sequence1>' ~) c! L, I# \% j5 _+ Q( c* y" [
until <condition> loop
4 l8 ~' I6 Z% l/ ]! s <statement sequence2>;
7 ~0 G2 E7 P0 D: ?) C* \- i end;
9 l. f. |. H! H' V/ r9 w4 \ (2) while <condition> loop2 y0 [' o1 Y" x( V- V/ G
<statement sequence1>;, c" Y3 `9 T6 Z* k( C
end;5 i' f3 ^+ q z7 y* H7 [) a% v. q
(3) repeat & _3 W& C' U) f& _" E) S4 v. G2 P
<statement sequence1>;
+ c% D3 D- m G5 j% f$ T y' C+ Z until <condition>;
4 B/ O- O8 q2 n (4) for <condition> to <condition> loop
; T3 x. `8 `# z" {. _2 f <statement sequence1>;
% P9 c: `9 `1 F8 P( o5 E8 o4 X. V next;4 F4 b* K' i& g) P# I
3中断语句 c$ _4 u" Y6 t# q" _4 s
waituntil <condition> prio <integer expression>;% N- S* M5 q1 S6 m0 ~& D$ W k
& d6 @" l& c" p4 p8 x$ M7 C" Z$ N/ v/ I( T
以上为常用的函数！$ j5 n: Z3 X1 L. Q6 Y9 L
还有很多，如有需要我把资料发到你邮箱里 - |# @" q8 x' X
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