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发表于 2012-11-13 08:48:12
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1判断语句; F' U4 C$ m5 H( h) g
if <condition> then
1 y8 p$ d5 P; B9 M9 X <statement sequence1>;, ~1 U0 e% V& F+ L& e- |, t
elseif <condition> then0 w* R% J6 P5 \1 F. I
<statement sequence2>;
. v, @. ~; C: w else
4 @1 k; x5 ^- R* L, B, A K$ U <statement sequence3>;
a) b: Z6 p3 \" y# v end;
. K. X4 r8 a: i( d7 ^如果分支比较多，用：, W. j6 W9 C! l1 P4 q
inspect <expression>0 \, F/ I! o( s) Q- [% {
when <constant_list> then
$ L: V ^6 g7 `6 Z1 i <statement sequence1>;
) ]: w1 n- @: @' v# S" `" N) t) M3 { when <constant_list> then
( R" D: p+ s# I <statement sequence2>;
% z- M a: y$ w4 _. D$ w( X ...
0 Q- A; t" x# L* Y( o else
9 r( B9 I) \, G f, q6 A <statement sequence3>;
2 E0 j9 w' z3 a, w0 s2 pend;
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, B4 u! Q# d9 l$ ]2循环语句9 I' @. B: j& q4 f1 v+ }- ^4 p. h
(1) from <statement sequence1>
7 T* i$ T# M7 `$ m5 j1 |: Y" v until <condition> loop0 w6 x2 U: J% r9 Y* ~+ O8 v+ e
<statement sequence2>;
$ y o( t4 o$ X; M( f' k b3 |: r end;" K1 B9 r( Y$ J, H* x$ D. K& @1 Z
(2) while <condition> loop
; b m: s+ u! X <statement sequence1>;
% A h9 d+ o& F" k+ u end;
9 t3 U2 |+ P" V# D& G (3) repeat
/ B( m- s- f1 \2 n9 e, y <statement sequence1>;" s/ |* A V' t
until <condition>;
6 s2 z; ^7 d4 L! W H (4) for <condition> to <condition> loop) v( N3 Q) c# P3 L1 H& P/ f
<statement sequence1>;
- s" k. N: y9 t, H3 J- \ next;
4 t6 a6 e7 i }3 B3中断语句
( z, U* m5 t& c8 w waituntil <condition> prio <integer expression>;
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4 m3 Y8 x) u" Z P/ H( s u以上为常用的函数！
5 }; u6 q0 t5 ^4 g' z还有很多，如有需要我把资料发到你邮箱里 1 P' ]8 D& b; F/ x
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