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发表于 2012-11-13 08:48:12
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1判断语句/ J+ a. w& i& x0 H' F' V
if <condition> then8 P* @+ J7 t' _' p, C: b
<statement sequence1>;
0 y+ b4 K3 f$ Z; t: w; G- Z elseif <condition> then5 x; A1 ]# ?4 ^/ Z' f$ {8 s
<statement sequence2>;0 V5 B, f7 m8 o! D
else
/ I$ I- _; h3 L" j) U/ @ <statement sequence3>;
) Y9 F [. E/ Z end;
' s/ w) o5 a2 m" N% b如果分支比较多，用：
2 H. s ~( n! z5 R8 Q inspect <expression>2 D |# d; w: G
when <constant_list> then
H* ]5 [7 z4 f <statement sequence1>;; u; e# R$ A( r6 [2 K7 F
when <constant_list> then
0 B5 @3 ]0 |; p, c <statement sequence2>;
Q9 O; N% L1 e4 a8 F ...
# M6 V6 j9 X) P# Z! Z else: m6 C: j/ ~0 g& R7 U! ^
<statement sequence3>;
/ F. @7 i7 I1 X' C; b& [ k: {end;+ N/ o" s! x+ D* [+ N9 W
! A3 }$ ?* D# R/ @& F2循环语句
5 `, N: ]5 {5 v# k6 H& u& C8 C4 \ (1) from <statement sequence1>$ z ]. D {) j) s) k
until <condition> loop
$ c1 N; U2 n3 S* M ? A <statement sequence2>;
1 s( W3 M) u9 N: l2 |% O end;
" U/ e$ Z: |: f% A. A (2) while <condition> loop
5 k: N$ T% r. w. @( C- o( R' R <statement sequence1>;0 I3 s5 C& D8 U( a0 S
end;
; L2 O, K E; c) Y (3) repeat 7 @0 }2 G" _+ C* ~6 D
<statement sequence1>;* p* i7 P( p3 e L+ e
until <condition>;- d0 P: V/ r( K# r& R
(4) for <condition> to <condition> loop
9 } N3 O5 ~. K. x- J6 ?: M <statement sequence1>;. L. }! R" a% b2 r3 Y" c
next;, d% e( t1 Q. c0 l2 B+ t
3中断语句4 Y/ M3 i1 E/ ^* t8 T# B6 I; m
waituntil <condition> prio <integer expression>;
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5 c3 x3 {# y$ [- i
以上为常用的函数！
p" @; H: D+ |" j# d4 k: Z还有很多，如有需要我把资料发到你邮箱里
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