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发表于 2012-11-13 08:48:12
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1判断语句2 C+ y! k3 J- M2 ?; @5 D- _
if <condition> then( g* J) k5 i/ N L; l$ z, \
<statement sequence1>;
9 J- U6 {8 _2 i elseif <condition> then
5 P$ F8 G3 M1 ^ <statement sequence2>;8 x$ M4 a2 _8 I8 J' ~/ ?
else ; f/ s5 B3 Q# W# e
<statement sequence3>;
- F' {) x. X2 Y, L: }/ k end;
* b# }+ H# O( \! ?) x) } `, g如果分支比较多，用：, ` H# y0 f& ^7 e- N) R$ g% @
inspect <expression>
/ O; P$ \: e+ ?8 h8 @8 f when <constant_list> then
- H. r8 [/ \$ k4 O% [' d! r/ q <statement sequence1>;8 @+ ?4 n, h4 ?2 r4 ]5 P& w# ~
when <constant_list> then
; i( h& p/ ^* t <statement sequence2>;7 N9 |' h. j+ | c X
...
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<statement sequence3>;; E+ g. T6 j3 P; c, v
end;3 L, g$ j) R' |# I5 a6 p5 N0 y) J. B
9 d5 u) q. \8 L2循环语句
& ~- q0 Z/ z7 t (1) from <statement sequence1>1 W5 g7 {2 q* F1 V
until <condition> loop
4 S0 \0 h* B0 o! Q+ z( L; u) @ <statement sequence2>;
+ Q( M" h+ d) g8 O d end;1 ~+ K3 H D, j; Z
(2) while <condition> loop& s" p) u0 N; i A) A: [
<statement sequence1>;$ v" D# h y0 w$ u! O1 `2 x: g
end;. y5 m8 D4 j6 S/ w" w) ~ n c
(3) repeat 6 m; a5 ^; O% X) z" i
<statement sequence1>;/ n- p7 q, r6 Y. J& B3 o. I
until <condition>;, i+ N# ]0 E6 E. Z" g# D
(4) for <condition> to <condition> loop
3 P6 b8 z0 y- u3 r& F <statement sequence1>;5 v$ G4 C9 ~) i. c6 O( M1 S8 a
next;/ x4 _0 s8 |; N" R
3中断语句3 K4 v2 B' a; f$ U
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
+ ]2 G9 I& F, p, Z还有很多，如有需要我把资料发到你邮箱里
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