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发表于 2012-11-13 08:48:12
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1判断语句9 b+ x7 K: G2 ]% `( y
if <condition> then6 a- }2 Q: A Y% _2 J+ S$ e6 s
<statement sequence1>;
9 F7 K! r* N5 \& S/ g% u! p elseif <condition> then, L; F+ G1 I$ }
<statement sequence2>;3 n( ~; g2 K ^( s+ o/ m- q/ ?2 M
else 0 V U+ ~# ?. t! u$ n
<statement sequence3>;
( {+ \1 h, g- y8 W2 {! j4 a! l% \ end;6 ?2 \* b) q9 A( G5 M
如果分支比较多，用：7 A0 D: A) V! d5 e8 j% ?5 _' q# E
inspect <expression>6 K0 ]/ Z$ n& v, Q( C% D+ ?
when <constant_list> then
! p; q9 R% g8 P2 F( E. w4 I <statement sequence1>;% X. a& n( n/ `) w$ L2 m
when <constant_list> then5 I; Z+ S" O N4 Z% ]* `. c- V$ X
<statement sequence2>;
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else' k- Z: E# [; d. d
<statement sequence3>;( N5 N o, n& v( S! h3 k; [# x- {
end; |( h o* k5 m7 u$ c
3 B0 q, Y( l7 Q& I& \0 t2循环语句/ H7 h" e4 N3 e& T4 X) c! X2 ~
(1) from <statement sequence1>" Q; R. `: I3 p, s9 c# }" }8 I5 u
until <condition> loop
6 b( J; v) _; m: O <statement sequence2>;/ H5 P8 s' R, E' u1 O
end;
- y3 X; {3 w5 g (2) while <condition> loop$ y: ^$ z. ]# O8 `
<statement sequence1>;* {+ i/ K, G! J2 y
end;
) H6 p1 p& U7 ~! e* e (3) repeat % l* V" D: M0 f5 _# n1 }
<statement sequence1>;
4 x; P b* ^. F I& A+ d7 E2 ? until <condition>;
' { w* h9 |9 f+ x! o (4) for <condition> to <condition> loop
8 G- }5 f6 B4 A, y% i, } <statement sequence1>;1 g5 F4 _+ Z# [ ]( b' X' w
next;
: B* q0 ~! J. T$ B/ p& ]3 ~3中断语句
( O' k! r3 S+ L waituntil <condition> prio <integer expression>;
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, T9 G2 b: I& ^( u/ B以上为常用的函数！6 s# i) ~ m) r* U
还有很多，如有需要我把资料发到你邮箱里
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