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发表于 2012-11-13 08:48:12
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1判断语句
0 ~( A! U$ {0 t if <condition> then# O0 W; t- a! [6 J5 Z% U3 U% X, d
<statement sequence1>;0 d9 C" _% {! J Q1 u# z
elseif <condition> then5 ^( B. X: C3 N9 \
<statement sequence2>;4 J+ b; t; r" x1 x% D( V. |) ~
else 4 w; F5 s: L* c
<statement sequence3>;
" I' w& \+ N% r4 G, ?, N end;
# q1 n- b% {4 t# e2 d7 }0 r5 l如果分支比较多，用：
( F5 G: E: _# B. K6 ~& k inspect <expression>
' h, y9 S! a. j1 d% Y when <constant_list> then
9 D- }- m3 W6 W. C" Y <statement sequence1>;
/ N2 r: G3 A! ]6 K# N. o, X when <constant_list> then
0 E" {+ q4 S# T% ^- q" }9 Y5 ?( I <statement sequence2>;
) F% W( ~1 \& x& q2 K' l. U) d6 ^ ...
1 n( L& }+ }0 L else$ d0 T/ n8 E- j/ [
<statement sequence3>;1 Q9 W% d9 d! |3 `* B3 e- @
end;% ]# Y9 w1 a+ E, T: D2 J. L
6 F% \* Q) k! @3 X0 @2循环语句
6 g7 h* G7 a* X, D; r' k# L (1) from <statement sequence1>5 ]: K0 P+ {) u5 O8 x
until <condition> loop% h# @# T0 d1 ^* g. b
<statement sequence2>;
5 V! R3 p7 D6 v& }6 x; W end;
1 U9 e7 _ j" v2 `$ F (2) while <condition> loop7 \6 i( e; H: r* g. h) o
<statement sequence1>;' p( q/ X; b1 O& T8 V7 M
end;4 D' r2 X9 l& u- k
(3) repeat . a) ?) ^" F4 ]4 a. K) e2 z; q, ]
<statement sequence1>;
0 a) z& d+ Q- G: t. { until <condition>;
, x5 i3 k5 P b* E% b (4) for <condition> to <condition> loop# E7 p. Y9 j6 b' ^1 F
<statement sequence1>;, J0 S5 R2 G5 T5 Z1 R
next;5 I) _* u1 I2 h$ w
3中断语句9 y% @) f; v; _: l0 U
waituntil <condition> prio <integer expression>;' j, K( v8 F9 s6 l
& O2 G6 q, @) ~# C. ]; j; q1 Z# x& b9 V( g: V% O$ }* }- ~
以上为常用的函数！
$ a- \; C: z1 k L还有很多，如有需要我把资料发到你邮箱里
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