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发表于 2012-11-13 08:48:12
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1判断语句
9 }4 }5 l/ A' U if <condition> then+ N2 x% x6 A) [' o9 y+ P) S" ^" S
<statement sequence1>;: J& ?+ Y1 C9 p3 W
elseif <condition> then
) Z$ x% w$ ?- | <statement sequence2>;
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<statement sequence3>;3 S* p; ]( n. b6 F+ n4 i7 i; g
end;8 b! `3 n" F/ B# w
如果分支比较多，用：: ~* o( T4 R2 S4 @; U
inspect <expression>
1 f* b) g- _; }0 X& Q when <constant_list> then
; R5 d. b7 P- K/ Z- B4 }1 w* G. u, u <statement sequence1>;
5 t1 g% C5 O8 T4 n# i, \ when <constant_list> then
( R# L: m' R4 Z% _, T <statement sequence2>;; ]8 ?: b1 E" f v2 f- ]
...
$ Q% j% k" l" G6 ?# h( A) c else! i! l! _. `. _( h& Y( }
<statement sequence3>;
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2循环语句
# X, Y5 c! p, u) N: Z9 v (1) from <statement sequence1>3 [( W# E, {( C' c, d
until <condition> loop3 j8 z ]* }1 o. z; _& ^
<statement sequence2>;* P, Z/ Z. c) N% o) X; ?
end;
; D5 a% V4 R- R- A2 t b (2) while <condition> loop
5 w$ L$ Y4 p5 A, e g. B# D, h <statement sequence1>;
2 r4 R- d& d; y& J/ F% o end;
W8 b8 C' w" i, X8 Y( Q1 V, F; X W (3) repeat " ~: m0 f4 ]; {! @ L& [8 K, ~! d3 j' F/ m
<statement sequence1>;
9 e) S8 P: P$ R, h until <condition>;
0 I0 k3 U; |# d5 E) ^/ S (4) for <condition> to <condition> loop8 `. L; _$ J3 U/ x
<statement sequence1>;
' T8 u6 F) p$ o3 u; a next;
( V9 Z( d- x G7 l3中断语句
7 |7 V( m' j" J% f4 v waituntil <condition> prio <integer expression>;
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以上为常用的函数！; J& }6 b- R& w s8 c
还有很多，如有需要我把资料发到你邮箱里 3 q0 _9 }$ P( c* |* U* B" B8 o& e* b
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