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发表于 2012-11-13 08:48:12
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1判断语句
/ r# v' e1 L5 t" D) `3 F# k if <condition> then8 F# B! E5 b" m9 ?# a+ t
<statement sequence1>;! _4 {8 W8 a: j! k9 p1 ]8 R% ]+ V$ H. S
elseif <condition> then* Q0 h% u5 ]1 [( C
<statement sequence2>;
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<statement sequence3>;! P' t$ _' A; w: a$ d! ]; H
end;! Y6 ?, H @9 R6 Q) R
如果分支比较多，用：* a0 t6 V( B7 Q' r' B; p2 C
inspect <expression>% t ~/ R% K2 T" |
when <constant_list> then. L4 S1 |+ ^6 W) N* j- K2 j
<statement sequence1>;0 D/ O W$ Q# s2 }1 S4 h' p) V
when <constant_list> then4 x7 O' R+ S1 r1 @* {+ l
<statement sequence2>;5 P8 Z3 f" W/ B' [9 q' \
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else
9 j3 a0 R8 \8 {" n4 k <statement sequence3>;8 j6 m6 f# v5 C& O
end;& F5 ^2 e+ i, q$ R
% @: ?) O( a K& }8 a1 }2循环语句& S. K8 G3 d3 L& g
(1) from <statement sequence1>) U4 I8 U- K& G5 y
until <condition> loop) x" \$ p8 E" L, {" b& W1 f2 G g% n
<statement sequence2>;
6 j% ]9 R7 }" c, b/ F$ G7 N end;
9 _( {( {. v: G (2) while <condition> loop
* k, j; B; X, ]7 G5 e( c <statement sequence1>;
7 O9 p- @6 u' H end;9 \* E6 U7 _+ i9 f9 H
(3) repeat ! r* X$ N# \% \4 ~$ y
<statement sequence1>;2 h4 W! Q4 d! _ v( ?$ A: y
until <condition>;6 P% ~% l' K; f5 d2 Q' P
(4) for <condition> to <condition> loop
" Y* {1 b* n& \4 C+ } <statement sequence1>;
) C7 z/ Z$ y$ n/ { next;% D; B8 B6 @$ L9 \. g0 g
3中断语句
! L% t2 P1 a: J5 K! _2 J waituntil <condition> prio <integer expression>;, U# S& U+ o# v% u, W' e
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# N9 `' u9 t% h5 w! |以上为常用的函数！
* k1 ^# j9 s0 E) Y- K4 d还有很多，如有需要我把资料发到你邮箱里 ; R+ g/ u: _/ _- W
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