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发表于 2012-11-13 08:48:12
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1判断语句2 H# t) l* Y+ Y- ~$ W' q9 R8 i
if <condition> then
8 x J! P* n. `0 R p <statement sequence1>;1 o5 Z+ n9 H* P7 Y
elseif <condition> then
8 M- K6 R* d9 \* Z <statement sequence2>;) C$ F" t1 I# R' A# }
else
: S% v8 a3 h- e" Z <statement sequence3>;
2 C( p9 A, E# l+ @+ r end;
, [; ~: e& `: P如果分支比较多，用：
% E4 |0 G1 h9 C9 z. i inspect <expression>+ U2 W) N- X1 t1 K, S3 t
when <constant_list> then. ?; |. P% g5 n- X$ Y2 S
<statement sequence1>;
) L! Z* Z* o" ] when <constant_list> then
( M( g7 F+ C7 u$ z v, M <statement sequence2>;7 {7 T8 [" i, D$ a5 N/ ?$ S
...2 ` p1 A. C D
else
- z9 V2 o: L* F+ ?2 j5 ` <statement sequence3>;: R) D1 P+ E, I
end;1 i) O. }+ J$ I& T
1 ?; c4 b$ g' k( q' h2循环语句/ t5 F3 i+ r( D+ L9 I- W
(1) from <statement sequence1>1 F! r2 @8 D' p4 F
until <condition> loop& X5 d$ m( t/ p. O
<statement sequence2>;1 B( r. ?) O/ l* F, Y
end;
4 ]) K* `2 o2 h (2) while <condition> loop
) Z; d$ V9 E! k <statement sequence1>;
9 s3 v3 E3 M* v. m0 o+ K. h8 ` end;
! U4 `6 t. b5 `* }' ?: T (3) repeat
- c0 v$ z% m; i4 d5 t4 I <statement sequence1>;
/ ^) K# B. | X2 E/ z until <condition>;
/ `/ ]5 z w) ?6 q( z6 K (4) for <condition> to <condition> loop: Y" l* j* t8 G- I4 {: `
<statement sequence1>;
. A4 x' g( y3 ^( c9 ~* W2 R' y* i/ g next;0 `2 y4 h1 \8 t; |* S. A
3中断语句
5 s% n& ~# r( u" _ waituntil <condition> prio <integer expression>;3 f9 b* f8 D. t+ F$ O' |
& Z9 J7 c* M1 i2 O* K r- D9 c8 u- X8 r+ m$ ]2 _
以上为常用的函数！# F) D% c2 ~# ~, }+ R
还有很多，如有需要我把资料发到你邮箱里 |, t: u+ h8 ?; q- I2 t% Y; m; @
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