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发表于 2012-11-13 08:48:12
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1判断语句7 k; C; w% |/ D6 H
if <condition> then
+ [6 D# |: l4 s <statement sequence1>;! b0 w' i' r# g5 Y- }
elseif <condition> then2 v/ u. Z0 i: B
<statement sequence2>;
* C2 }2 J5 V3 f' B& H else
* F3 ]( J0 N) }# c! `! | <statement sequence3>;
: o, i# M$ r# {1 E8 Y/ l" U end;
, y( R$ r4 `2 f' G% \如果分支比较多，用：
4 @- S( i3 N3 k7 v0 w% [- z; ~( t inspect <expression>
- Y1 c* m" v; K) E. r" I0 E9 N when <constant_list> then& h4 C, C9 E3 p5 H8 U c( ?: Y5 _
<statement sequence1>;1 ^5 c$ o) U" G1 O, V
when <constant_list> then
! ^) e! u7 i, n, [ <statement sequence2>;
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else
: {) R' P2 c" O" a3 d5 t- v <statement sequence3>;$ J& S" M& V7 Q# V
end;% S! ]0 C! f/ i& a6 a' S
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2循环语句
) H( C- Z$ `5 a3 S' t8 e (1) from <statement sequence1>0 {: P3 _, A. @
until <condition> loop
+ U- X8 f$ q; f( Z& u. r6 S, T <statement sequence2>;
% G$ V$ m: q4 s7 y/ u) \& } end;
7 K1 |8 I" R. D (2) while <condition> loop
/ m! G: M1 c t5 B <statement sequence1>;
: e' a2 Y8 }% v3 n end;* P& c5 F% h: W- t7 {
(3) repeat
; ^$ L) O$ F$ s5 L; Q* B P* d <statement sequence1>;
& c: w4 A) G* a4 ~) r; @- E4 I @ until <condition>;! a; v2 l8 L$ V! k6 n8 W% {- R7 M! q
(4) for <condition> to <condition> loop
: T. ^5 O" J5 ~8 \5 u# y- I- D <statement sequence1>;
l( L; X) s, H# [ next;
' q0 s9 [" L" ]4 k3中断语句
0 f. G4 Z2 [% P' k, T waituntil <condition> prio <integer expression>;
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以上为常用的函数！
* L% u7 z% n( T& |7 I3 ]% H7 j还有很多，如有需要我把资料发到你邮箱里
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