|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句. J1 `3 c3 n$ | p
if <condition> then1 }: l- Y8 O: B( B
<statement sequence1>;
" J: `* ]/ _# [. L3 Z9 z6 Q2 R elseif <condition> then
2 F& ~* a, ?( W) R7 v5 g <statement sequence2>;" a t8 `- h8 Q* y
else
: d' m% F, w9 [ [9 [" s/ W" `% e2 s0 M <statement sequence3>;+ L1 `4 @- A$ n7 v
end;
9 \6 Q8 k. g7 g8 i+ R如果分支比较多，用：2 j' f4 g; o2 H1 d) o/ |1 V
inspect <expression>
4 a5 V6 W& r4 u4 G& @. c# F# b when <constant_list> then; I- r8 {, z7 [0 y6 O7 M# p( W
<statement sequence1>;: k4 ]# G0 x5 W1 F1 k/ p5 y" E5 N) m
when <constant_list> then
7 L. l& @9 A9 T; a- U1 J* r <statement sequence2>;
|3 \: G% ]2 B6 f5 j' x ...
: z3 p) I6 J: V: \4 q) D& N else
j& l( @( Q+ d7 V/ f4 b6 x <statement sequence3>;
0 z. r, t( l6 w+ B4 _! iend;
7 w% R$ [1 P$ _3 V2 {3 b% I0 b; w/ T' l' a5 O' \
2循环语句
) ?6 {0 ^7 X' C& t+ q1 p (1) from <statement sequence1>8 q3 W& D" x! F5 B
until <condition> loop# |7 M, L( V, G" w
<statement sequence2>;
% W) I2 ]' ?. G5 B) H, U3 H end;& ]: L- T1 B5 ~/ ^: V* M
(2) while <condition> loop- L* c/ v( s0 i" F4 Q ?9 j
<statement sequence1>;1 J# t0 V' r" F( w0 b, v
end;; T( o& `! e- D5 T9 Y
(3) repeat
9 r3 p% _6 D" u J/ }6 Z8 c; h <statement sequence1>;# S1 I8 x. x; l H% ~7 y
until <condition>;" n0 f6 P% p: O. B; i3 U
(4) for <condition> to <condition> loop
4 ^9 X, d A: {5 `! { g <statement sequence1>;
' [8 m7 d1 y% j$ P next;2 ?5 }6 F2 S) e: X" t& l
3中断语句
. `" K( q% O! H I [ waituntil <condition> prio <integer expression>;
7 s" m) R) i- B9 B* y$ i* H! M/ W4 c" z
3 ]* Q4 M1 @+ q% ^& A0 I
以上为常用的函数！
& V1 A1 r* {6 c9 n$ [/ o还有很多，如有需要我把资料发到你邮箱里 / O1 P2 l+ C3 a! t: |. R# r7 N' k
) O( `0 G9 G, u5 M2 D7 \
; _3 }; @8 E: O0 Y7 a# ^& U3 b
7 S" e6 A/ Q0 w 2 m3 b$ G; V/ h- l( p
) A0 k: g( l! {. Q7 U) R9 e1 F8 i
e; m" \! T" L* X( `9 U3 _& R+ u" z2 k
% r# s" i% b5 g& _
1 i+ C5 j, n( v) T / F* |# K1 }# @+ {- ]7 G8 J
|
|
[复制链接]
