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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
+ r. i3 p% }9 w/ a" m- n5 d if <condition> then5 {3 I8 e4 c( `( {6 s1 H
<statement sequence1>; H7 x, Z# b% y' ], T
elseif <condition> then6 t& J. k3 X2 t, \2 ^8 H/ `! G
<statement sequence2>;8 a9 j) P$ v5 F4 R: d
else
( Z; z+ i9 {3 J1 D <statement sequence3>;
% i) h& h. ?. i8 B, a% N end;6 i7 e& Z5 q& s% @
如果分支比较多，用：
6 h$ z6 \& \9 Q1 D inspect <expression>5 X$ ]. P" ~( |
when <constant_list> then
+ n5 O; Y8 d) @) a- v+ m& ]+ ]: L: { <statement sequence1>;
! @7 g( f9 O, n' e when <constant_list> then9 }6 Y D7 B1 |, R8 S4 P
<statement sequence2>;& ]; k! H0 \, D3 }) N
...7 H8 `- ~: n9 d$ K/ w$ d
else
( E5 T c* D6 K* c8 C+ u: C) @ <statement sequence3>;, b! C0 X9 L* J. T, O" c9 D- u
end;5 e* a4 l' u1 O1 Y6 O1 }" @' d; T: ]# @
6 `1 {7 K t' R0 m, h3 y; u2循环语句
! N6 o, ^5 U2 I2 h# X, A (1) from <statement sequence1>
9 }7 O* p4 @3 U8 K3 z8 d9 x until <condition> loop
8 d2 E0 u3 m! N6 g. H <statement sequence2>;
0 t! E: |& }' j5 m5 j: g- h end;
D' l" W8 W4 X5 V! [" G% ~ (2) while <condition> loop, ^% C8 M7 U' b& H6 Z: g6 S4 n% t
<statement sequence1>;" d8 \% x' N6 @; S7 r4 f
end;9 r9 `! a6 P6 J q6 S5 e* G
(3) repeat
3 A }- \5 o# N; p& U0 f) H, b7 X <statement sequence1>;; Z: L; r- Y7 w
until <condition>;2 q# d. c" f( S' J& d
(4) for <condition> to <condition> loop( p; B& X# U$ x; c; h0 T
<statement sequence1>;8 |1 j8 s# d+ h+ Y
next;; l, f0 p/ a) Y
3中断语句
! @$ ]+ L; m( K waituntil <condition> prio <integer expression>;
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- I+ q4 \5 n9 I; x) ?/ Z9 Y
以上为常用的函数！
3 H+ u- Z$ \. I还有很多，如有需要我把资料发到你邮箱里 ( C/ w: Q+ U& w+ A4 g" }
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