|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句4 x# }: K) f1 F" e
if <condition> then
0 ]/ }$ Y. {3 ~' |2 _: S! `" F' P <statement sequence1>;: p9 R4 [0 y3 n0 ]
elseif <condition> then5 ?+ z( b& `6 f8 @8 c0 n
<statement sequence2>;
8 N5 V+ C) {& G else . H5 R; f5 `7 p
<statement sequence3>;
3 l, f% k: k4 t/ a end;
0 V# B2 w4 G5 o1 N: _+ ?如果分支比较多，用：
, k/ M; S1 u( H7 J9 U4 s inspect <expression># j( V' @$ |2 u9 k9 U8 o7 E
when <constant_list> then: ]5 @4 }* @: s
<statement sequence1>;) t3 O: ?! [: L* J5 c
when <constant_list> then
8 }' m2 ]& u8 |4 f( Z <statement sequence2>;
+ _. |# k/ p, I, ] ...; }0 o- j' r( N+ N& B9 I
else
7 d# o. {7 c. ]/ M <statement sequence3>;
! z- O. B( E" e0 K5 Z( Rend;8 F# Y; d N7 y- j B& Z4 l# y
& U( ^& C; P5 r8 r; g' g" \
2循环语句8 I* @7 p% _' Z
(1) from <statement sequence1>( \8 \# \! @0 c4 d7 A
until <condition> loop
9 F$ h5 A) ~# m+ U/ } <statement sequence2>;
+ {2 b) i, r1 i* d end;
: }8 r" N+ ?, s1 G4 r (2) while <condition> loop0 }/ e; F9 ^- S0 p
<statement sequence1>;* ]' P% S3 n8 I) i2 |
end;
/ U! C2 b7 r( Y8 ~4 Q: [! w0 X (3) repeat ' x. ~" M7 N" _" j v. u% s9 t e
<statement sequence1>;
/ W6 K7 X' L7 O6 C until <condition>;7 H: w3 ~' L% `: E
(4) for <condition> to <condition> loop( \3 i- d# ^& g1 P% O. ]
<statement sequence1>;' w% @1 T7 }3 }
next;. g. Q' [7 Y4 G% v+ x8 m/ L
3中断语句
/ P G8 `% F0 W3 q. \4 k' f3 H waituntil <condition> prio <integer expression>;. ]5 e6 B9 v R' `4 m
' p) q0 B/ O! K7 X
/ S) I/ R5 m- o7 W0 X以上为常用的函数！* X( m6 T9 J ]
还有很多，如有需要我把资料发到你邮箱里
8 U& T% \, }0 u: a! k2 m4 B6 M4 C
; J! }+ A& _9 z+ i+ O( z* o, _( \- R* d ]5 Y6 E5 a6 _
- W5 o) W( r) i6 S4 j% N q
Y o; d; X& P, a
6 f, @% g! a' u2 z2 G" j N: r5 k& d
& S: h# O+ p; j4 ~% o
% E5 M, Z! C k2 g: R: T
' J) T- V' G/ R; t, ]
7 o1 z; ?" _* i# [2 c+ m, X9 g + n; y2 P- J4 X: _. @
|
|
[复制链接]
