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发表于 2012-11-13 08:48:12
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1判断语句
4 z6 ~, s1 [8 t4 u if <condition> then
$ u1 Q( D# s- ?7 ?* l <statement sequence1>;8 i3 l; V0 [! Q
elseif <condition> then6 t1 Y( Y* t3 G* J# D+ w! _6 n& H
<statement sequence2>;6 v( e. j Z( `3 F$ }5 i4 D
else 9 p6 u( v. R) E) W" d
<statement sequence3>;
7 R4 E2 F% n! g( e" w end; Z, Y, h, I$ O5 U1 t( P h9 [
如果分支比较多，用：+ ]+ h$ I2 ]2 G% g
inspect <expression>
% D1 K7 T) ?. E when <constant_list> then g! |( U, e; k, G4 L# M
<statement sequence1>;* P' Q3 y1 n+ c! X% K, F
when <constant_list> then: b6 D+ j& [; o( ]2 H4 g: Z& U' H" J1 E4 Z
<statement sequence2>;: H, g' l0 P4 T0 V- u- p# \
...5 V: f( E9 X. i5 |: B
else
" ~4 Z: y |- Z Z R <statement sequence3>;
0 a5 @$ D8 [ p2 b. `" ?/ s& F0 U4 Dend;
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; x [* ^; C; w" z1 r2循环语句- l/ z" v }, z/ n9 r- {; a. a) u2 H
(1) from <statement sequence1>
5 g& C( u9 I. Z4 p: _ until <condition> loop+ k( V F* a& U, q9 e
<statement sequence2>;+ L- o4 _$ k, _% c
end;
5 v( k6 J' G6 ]; ^* @& C# t6 p i8 w (2) while <condition> loop, r8 u$ |+ K/ m; u8 [
<statement sequence1>;
2 p! x1 h2 I2 }" _5 p end;
+ E# N: C v! A0 t% f: {, r) A6 Q (3) repeat
7 A8 v! J- q$ O3 l8 B7 {; D <statement sequence1>;0 x; _# z" L( L; ], N2 T' { X
until <condition>;
6 P3 ?! e' H8 e/ U (4) for <condition> to <condition> loop
) l* U& J2 m2 k) H3 x <statement sequence1>;
' P4 `& a/ x6 q* V( Y2 \ next;
% j4 [/ k1 m: A. ]# ^5 S3中断语句/ R% y# h& s% T0 g) k8 k
waituntil <condition> prio <integer expression>;
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3 X& c8 }2 s. _以上为常用的函数！
! \& p7 i4 w. P6 F" h还有很多，如有需要我把资料发到你邮箱里 0 l" H0 p- [* L
8 D& P( y r" m5 c) g
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* Z9 f1 R7 d) ?
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