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发表于 2012-11-13 08:48:12
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1判断语句0 O. \% b% w& \/ |9 R/ H" M
if <condition> then
6 @( H' [, O% J5 Q0 N0 H7 b <statement sequence1>;% ]6 P. y5 g3 {2 w4 A8 s& ^3 f8 H1 g
elseif <condition> then: A! x9 ]: i& \1 g
<statement sequence2>;
; ]* g+ v0 i' X1 Q! s& T else
. `) p- S, T& N# l( h$ I( E <statement sequence3>;6 L# N: X8 K! W+ H/ p: o
end;
9 L6 \8 d- O( r- m6 t/ q0 m如果分支比较多，用：" I2 G, r3 K I# p8 L. }/ D& \! y
inspect <expression>! _# ]: A, c0 X! |$ Z" X
when <constant_list> then
$ e8 U/ y0 J; n5 {- A: j0 s: P/ J <statement sequence1>;3 c- c4 P$ `! Z3 \- i
when <constant_list> then
; m0 O' |( R2 d$ Y$ s, Y, _ <statement sequence2>;
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else$ J' ^: Q2 v3 u9 R+ I" N1 \
<statement sequence3>;2 o4 z! j% e5 T8 Y6 n- i
end;
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2循环语句
' a! l. h/ t {: |% b* G (1) from <statement sequence1>
9 g0 d6 X1 V' X- { until <condition> loop
- \! I# f' } Z% J% E Y <statement sequence2>;
) d3 ?! w. S! a! q0 q2 B: C1 k end;" g( Q9 C- ?: O0 M( x
(2) while <condition> loop/ Z7 c; H5 l' s, r; R: p! V
<statement sequence1>;
* ~% g# N6 J* T. |2 Z end;
- T- }, R$ p, I; G* W5 {! q7 i5 e5 ]/ d (3) repeat 6 I; F) i" x Z
<statement sequence1>;
/ C2 v" H- _ v3 S until <condition>;
: V' W" V6 B# V, ]1 d (4) for <condition> to <condition> loop
, o# i% a# x1 ~9 Q- v" L <statement sequence1>;
5 e0 D! Q; M% H" v5 D next;
# Y6 _8 S( o4 x7 X- o3中断语句
% k4 F7 r/ _( a9 H6 N( o D2 a waituntil <condition> prio <integer expression>;& N0 a" @$ b& z
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, H$ Y/ Z0 G9 o8 j: m+ O以上为常用的函数！
' q6 F7 p+ l% D5 v) Z7 E, {还有很多，如有需要我把资料发到你邮箱里
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