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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6 x* |* F+ w( L2 N
if <condition> then
" u1 d7 C8 K w <statement sequence1>;8 U, K2 Y) o, e I9 \5 i& T2 S/ ]! q
elseif <condition> then+ |- A- d. f2 L
<statement sequence2>;
- V( v6 J1 M* \, q. Z5 ?) k else
; K w- T0 C/ K7 K/ @* H <statement sequence3>;
$ n$ v8 V3 O: D end;) X$ g5 E& V! P) ?
如果分支比较多，用：& A- X, Q. p' j- y& W1 [
inspect <expression>4 F& e; C* { e
when <constant_list> then) ^& M$ J" b. w v
<statement sequence1>;6 A+ ?9 d: y/ R5 i, z9 T' `, ^# D' `; v
when <constant_list> then
3 Q2 e! `5 X; P0 v* e$ r# ? <statement sequence2>;
& R0 q( x/ [0 q* _! @5 t3 ^* W( s7 ^ ...
0 g2 d V7 B2 \/ R6 _+ G else/ N% j- F' U/ I
<statement sequence3>;
% b) Z! {$ ]% U# ^( d3 Oend;
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2循环语句
( q9 r& g4 l# w (1) from <statement sequence1>7 d8 ~4 S0 ^7 O( A) |
until <condition> loop
S Y: k5 L0 k <statement sequence2>;6 L# \: `: U6 ]+ {$ |6 K& \4 F
end;7 ^, o8 ~& a3 L0 A6 p8 f/ r, ?
(2) while <condition> loop; U+ B4 n1 v% F! Y
<statement sequence1>;
1 a4 V3 j4 M! W9 u- a end;
4 A! T3 m( \0 V (3) repeat 1 b. j4 K7 f4 C0 g4 B9 p/ H4 w: }
<statement sequence1>;# [1 y( n: x9 C# ~
until <condition>;- K* m& P/ c# G1 w& ?( N# E
(4) for <condition> to <condition> loop
6 M4 Z1 |( K+ G3 ?3 x4 J <statement sequence1>;
' |1 i' R% u3 J) F( f s. ?- @! F. _ next;8 W5 A( k5 g/ [0 y3 `" K. I3 X
3中断语句
" S j4 O4 ^1 a$ ?9 T o waituntil <condition> prio <integer expression>;4 N2 O6 r7 C, t+ S
I' ~4 A1 o% m' b9 ]# V% V
* _( r* c; ^* }6 B5 z) k+ W以上为常用的函数！2 ^4 M" u% b/ l4 R5 p/ f
还有很多，如有需要我把资料发到你邮箱里
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