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发表于 2012-11-13 08:48:12
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1判断语句2 Z- s' z( @% K
if <condition> then
" ^/ D0 ]! O7 A <statement sequence1>;
0 ~! ?: m8 l T. Y; s elseif <condition> then
$ H5 `2 k) |) P. [' E3 d; J9 L; D <statement sequence2>;- g" }6 i3 E& c1 |1 q
else 3 x; w4 s" h8 z: p) B; F
<statement sequence3>;
$ j9 w+ L! N$ U* V end;
6 Q- v( V! c+ H5 r$ U. M如果分支比较多，用：
/ }5 D7 {& K, m+ ]2 H2 ^ inspect <expression>
( t7 n& z" v/ ~6 v( j when <constant_list> then
1 h4 T9 Y3 B" _5 ~8 K7 d) F/ j <statement sequence1>;
* f: t7 p5 ]7 \. a8 O. k7 _ when <constant_list> then, P# k% Q! n' s2 R
<statement sequence2>;
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else1 O8 Y7 K( w# a I! ]3 w
<statement sequence3>;( T; s" o. Z, H/ y
end;
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2循环语句9 M, j2 M6 Z* k1 f: n; I4 Z# R
(1) from <statement sequence1>& A) ?4 K: Q) @3 [( m7 }6 A. r8 ~* Z
until <condition> loop$ a7 i* Y: x4 x8 M: ^9 Q
<statement sequence2>;
! w) M0 d, t& W( _5 B' W end;6 h4 k0 M& }* f
(2) while <condition> loop
. D" w, F9 {+ E) X <statement sequence1>;
& {1 U# B- L. J* R: l: @5 l( y end;
' N5 x: } ?. F) d! V h# | (3) repeat
, ]4 i- ?8 S! c$ U <statement sequence1>;
* o! z, u6 n( V until <condition>;$ k& d m; p; y+ g3 W
(4) for <condition> to <condition> loop1 b2 q1 t1 X4 j6 C! x; P
<statement sequence1>;
9 Q1 M; D7 y% Y/ P) { next;
* F1 A$ P' f) F& Z) \9 R3中断语句' R5 ]3 x* F. B' F, L9 U! z4 P, e
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
5 b O0 V" R# I还有很多，如有需要我把资料发到你邮箱里 8 g3 [: S/ j+ a/ j! }0 T; M/ F
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