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发表于 2012-11-13 08:48:12
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1判断语句6 z9 B" y# B8 p2 g, s
if <condition> then
0 A: J4 t2 G S7 K1 F+ ` <statement sequence1>;
3 x- _( w2 s, B0 J& t. C: ^+ G r+ c elseif <condition> then
v& N7 O- S5 ^ h1 G0 s <statement sequence2>;
) Y* G+ X! W% W- \7 n5 ~ else
4 e1 M4 m& l3 ^' l <statement sequence3>;# o) x; i o" M, P$ G5 L% N! U I \
end;4 d2 u& r7 G I0 ?. f
如果分支比较多，用：7 i% m$ I" D9 D- H5 } r/ Q
inspect <expression>
0 l( N5 K8 W+ n" J3 Z9 K when <constant_list> then
2 I0 j- S& i/ @) G8 e4 p <statement sequence1>;) \* P3 e1 ~5 {) b# T
when <constant_list> then
! a# b0 B4 h7 W. m8 k1 X' _( j <statement sequence2>;
4 m1 h+ X8 {: r) j% Y ...
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<statement sequence3>;
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0 T$ b: Z `/ V# t2循环语句( J" E3 H' D& b7 @9 S
(1) from <statement sequence1>' R( z9 o* K6 t! p0 _$ v. o
until <condition> loop& E# R/ z, H; Z( ]9 `! {1 A/ u
<statement sequence2>;
; Y+ ]/ A0 r9 d( F' W4 q2 ` end;
' c; {+ @2 \8 I: C (2) while <condition> loop
3 s7 b! g! H y% L <statement sequence1>;- S) A4 e O) d$ \- [$ z% X
end;( X6 p6 j4 Z, }4 e
(3) repeat ! X B' [& |2 R$ L+ T
<statement sequence1>;3 g0 G% `% U% m
until <condition>;/ n# L! {; I3 G- |
(4) for <condition> to <condition> loop1 Y' p: n+ k! ^0 M! \8 i; |- [# n# `
<statement sequence1>;
3 ^2 s3 T' W" m+ v- N7 e. ? next;
3 p! o; [- s- \2 X; ` S8 c3中断语句
7 Q9 n2 C% f$ A# _. C waituntil <condition> prio <integer expression>;( G s8 n. w8 S& \0 x
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! O* S: t( H, {: A! q以上为常用的函数！+ _) o2 f( I' X+ b4 `5 d
还有很多，如有需要我把资料发到你邮箱里 & ]" f; f+ J5 d" X6 W
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