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发表于 2012-11-13 08:48:12
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1判断语句
9 A4 }4 L( _8 |4 g if <condition> then* T: i5 N; ^. `5 F& j
<statement sequence1>;; H4 b1 v' x9 }4 O: f3 G
elseif <condition> then
+ g+ y; N1 k& I <statement sequence2>; u2 h# ?6 x5 q2 m; v4 v
else
: n0 z* p1 ]2 v- p* U <statement sequence3>;" h( q# ]' |9 V
end;/ x$ S( C# w4 d" U' Y m8 [' Q9 b
如果分支比较多，用：: L+ j! t' C3 J, g) N$ P7 ?
inspect <expression>
1 ^% Z% g/ F. e5 y0 d/ `* F. {5 b when <constant_list> then
* z1 H; z( q3 I( {" e" S6 ~! N9 B <statement sequence1>;7 \" l: s# S: `, [; c
when <constant_list> then
" w6 c5 O% V* Y* R5 |! U4 o8 O9 x <statement sequence2>;
4 E. M( Q/ A" K' e, n ...
5 k/ w% v6 f' b8 p else
4 V( h k! S3 R7 i' _/ V <statement sequence3>;
! U* N7 R% F; ~% U" uend;( H/ v( \4 Y# Q* J, x) `
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2循环语句
/ f/ i. r6 m& G. J% @& s (1) from <statement sequence1>1 Q: ~8 C" }* o# H' K) P
until <condition> loop
0 I1 K$ ~/ u! b' I <statement sequence2>;
]9 [! s) `+ r" z, S0 l end; P0 K$ o9 V4 S: c0 j& b6 x4 d
(2) while <condition> loop3 V) d8 y; x% J6 C& T
<statement sequence1>;8 X3 t5 ~$ c; S8 d- f% R7 I$ C; G
end;
! v- @' [. F9 D0 Z- L (3) repeat
$ p* B# ]; t3 o/ M8 Z. s* z <statement sequence1>;
/ }% q5 X3 Q" S0 c$ V until <condition>;3 D7 F; `: h. x. _. G7 E
(4) for <condition> to <condition> loop
+ P6 M7 u0 B: p1 I) l <statement sequence1>;
5 l! M# ?1 U+ }8 N0 K" L; k% h& ~1 y next;5 c3 S! o8 ]* D
3中断语句, v; a2 G* y& w6 i: A, Y E
waituntil <condition> prio <integer expression>;+ F- l- J6 {: f: t; a9 j/ x
; @8 g2 J) C {6 f, V" i
6 w+ C5 Q0 T8 E! x6 L以上为常用的函数！" E0 C8 H) Q3 x) ~3 Z) J
还有很多，如有需要我把资料发到你邮箱里 `* A* ?$ h8 W" K4 E/ w, ?
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