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发表于 2012-11-13 08:48:12
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1判断语句1 t3 R' z6 Z- ]
if <condition> then
+ f) V/ h3 Y5 y, d4 N! C, ] <statement sequence1>;; W/ m- A* Z+ a; N
elseif <condition> then
; H% J! P1 A+ f V2 r <statement sequence2>;$ j" J6 T* n6 Y+ Y9 {
else
+ L) R$ ?- S9 U3 k+ f' M! _, e/ [ <statement sequence3>;% ]! s4 }# v- T, `8 v2 [
end;* q2 Q: d4 U* o
如果分支比较多,用:
( M" T) L* i. S4 w7 |, Q inspect <expression># e/ X1 S& @9 O$ m8 N) L
when <constant_list> then
R/ P6 {) K) L, `6 B6 w/ |6 [ <statement sequence1>;
+ J* G5 f" } F9 B0 K when <constant_list> then. u) M# [. B1 `' X# c X: p
<statement sequence2>;
; T) \+ c# m4 a# b( g ...
+ ?. L$ j+ J9 H$ w else
$ P4 v; K! x( X1 s) X& J5 \$ ^ <statement sequence3>;
2 H- c" u# i. O* }; pend;
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2循环语句! ^) ~ \! f% M0 _
(1) from <statement sequence1>
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4 @! t9 r2 O' b H! j <statement sequence2>;0 Z4 K! A$ P5 F F4 h
end;$ [) _, Y* i9 ~: y9 f
(2) while <condition> loop! h* K9 Q- }) x7 x0 B
<statement sequence1>;
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(3) repeat
4 K: R1 y8 T* S <statement sequence1>;! _( y+ g- s9 Z* J$ H( E
until <condition>;
: Q, G8 X3 B3 M" @ (4) for <condition> to <condition> loop& F* s# g5 z. v* j1 a
<statement sequence1>;
* r/ s7 t4 R! Y; S# J next;
1 c- B' K7 P3 r/ z. N$ C/ r3中断语句
* S* p* l B, w3 z3 Y: d: z) B: h waituntil <condition> prio <integer expression>;
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0 N1 `+ \5 X$ P
3 C8 f J' F' p; t以上为常用的函数!1 A% ~5 y s( T: R
还有很多,如有需要我把资料发到你邮箱里 - L& F% m6 c* M! V7 p l
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