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发表于 2012-11-13 08:48:12
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1判断语句8 z1 i0 }) X6 K9 O# \0 t* O
if <condition> then, n6 |# q# [2 ~4 X: _" @ n8 M
<statement sequence1>;
! y" ?1 i2 K% d* A4 r elseif <condition> then
* `! m' a& }2 q* _1 X! G <statement sequence2>;% D5 K9 f- ]7 Q6 E! e1 W
else 0 K. i" b, d' r9 l( C7 i* _
<statement sequence3>;
8 _) J+ L/ b! A u% K) t2 a end;
2 ? L Q2 b' e* U+ X+ r如果分支比较多，用：
1 q8 \5 e& O; A; r' X6 K inspect <expression># b. M8 ? q, V
when <constant_list> then
) q# w9 ?! u% U5 W% E* n <statement sequence1>;
( W# v+ U' Q% a when <constant_list> then
8 R. ~/ C3 y9 O" N" g7 f <statement sequence2>;, s& n M: X5 _0 W T) h9 k. K, Y7 q
...6 E( j5 m, ]! ^2 X
else
2 i. a' w* z; E- F: f5 W; y <statement sequence3>;: u. f2 f3 I& J8 y' T M; T2 V
end;
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. B* _" P# ^, ]% v4 p- G2循环语句
7 o3 @6 }4 ^$ ^5 w. w (1) from <statement sequence1>
5 Y/ T% O9 q3 M9 `2 P until <condition> loop
. f# J$ l, m1 p: T# D6 G <statement sequence2>;8 N) j$ X: S q- C3 x& e# Q9 ~
end;
9 ?" v7 G7 R h& w& g/ N3 L (2) while <condition> loop2 T1 E9 Y. B( o
<statement sequence1>;
. m! b4 T/ F) u: b. [0 r& f end;
1 R% G* `% G k. m- D3 q (3) repeat & T/ g7 U, @$ n- f
<statement sequence1>;
* [) G+ i. Y( ]1 K! N2 J% d7 |9 h/ W until <condition>;* a/ t& a; D( P; Y( V: I9 U9 H
(4) for <condition> to <condition> loop
7 u) g( H9 W4 X! c# X# ? <statement sequence1>;
8 G2 \8 Y6 I; s" C next;
0 N: v2 `& G! C' Z3中断语句7 X, q D$ t8 M# S/ W; V
waituntil <condition> prio <integer expression>;
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以上为常用的函数！: \6 O+ n2 U3 d4 Y# W J; z2 [
还有很多，如有需要我把资料发到你邮箱里
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