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发表于 2012-11-13 08:48:12
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1判断语句* a! n+ F N' y4 ~7 L8 F7 h
if <condition> then1 U2 G4 q- Z' R: ?. v7 c: t, [
<statement sequence1>;
$ q- E: _) |& B Y/ ~0 a elseif <condition> then7 d, @0 I1 |# w8 A' Q
<statement sequence2>;" A* }2 a! R" N$ ^
else
! C7 s# y4 W1 y1 u2 O <statement sequence3>;
9 u- H( i2 Z a8 Y( ~1 |: z7 c6 B end;
/ a+ o, y1 u+ f/ w1 e6 ~如果分支比较多，用：3 K9 c3 U, g+ |4 Z1 ^4 Y$ y, i! ~
inspect <expression>) a8 _: h3 M( d, \& @8 i$ A
when <constant_list> then2 p2 R. p5 }& r! f; I
<statement sequence1>;
. L ~0 S U& S" d9 ~+ u* u when <constant_list> then
% h/ W3 }' X" p0 \/ ~9 t) z+ ^9 E; b" I <statement sequence2>;3 ^# @! C3 u6 k! b( p
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else
' p8 [# c$ Q* T& k7 x <statement sequence3>;' X3 J9 T) r. Y! E7 K
end;
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2循环语句 |* E+ L, J$ X
(1) from <statement sequence1>
2 z" r2 W3 l0 ?6 ] until <condition> loop
+ m" z$ W l8 o4 r/ J' {1 ?+ b <statement sequence2>;
: `! K1 r1 }8 Z- m' O# e end;
}5 C5 B( i3 f& h+ a (2) while <condition> loop4 a& b: {+ m! O" g* o" H
<statement sequence1>;
' n( J4 m4 _1 t" ` end;
7 R) v# z6 Q, a" n" q) P (3) repeat 3 K% n4 I' N2 k! R W
<statement sequence1>;
: n; P* O o5 V9 A& v- P until <condition>;
, k& b- P' y% D1 g" V (4) for <condition> to <condition> loop
2 y' K( C4 E3 k1 U <statement sequence1>;6 a% y! L$ m" G! E! S
next;, h2 P7 B- d* Z7 {& z
3中断语句
7 r A# b- a/ }% m7 ^) W7 U waituntil <condition> prio <integer expression>;; o- m% \- i' x3 [8 \' f l
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以上为常用的函数！, c! `& I* ~( Q' D) I: ]
还有很多，如有需要我把资料发到你邮箱里 4 K. ~% s7 L9 }5 D4 B4 `( g
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