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发表于 2012-11-13 08:48:12
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1判断语句
3 r$ n7 O5 j# i6 b' H if <condition> then
# i3 D y! _4 D6 a3 q& K <statement sequence1>;% ]: j7 n8 k5 N/ i" @8 N7 h: G2 R
elseif <condition> then/ f7 [+ Z0 r( U! g; s7 B: Z
<statement sequence2>;
/ e& R! I# t- w else
4 r+ L1 |6 H. q% S <statement sequence3>;9 k+ f3 A9 E) c' v
end;
) ^/ d6 B3 y- _5 f如果分支比较多，用：1 m0 ~6 t \" V' e
inspect <expression>
: h X) R( j6 d( t& P" U6 l+ m7 L when <constant_list> then
3 ^0 e7 o* _8 |+ [1 N" _ <statement sequence1>;+ E: E* b1 K6 B" Z5 ~* ^, C
when <constant_list> then- n; D H! B+ r# \2 a8 n0 U& x, }
<statement sequence2>;
( J/ @2 L( b5 z; [. {! g ...
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<statement sequence3>;
) e# e6 A3 S8 ?+ P/ l8 X7 vend;
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0 Z1 a! S, `; f+ t2循环语句
$ b2 G2 w+ Z, U# v (1) from <statement sequence1>& Q4 @7 \0 N* z0 N
until <condition> loop
1 X* }$ {6 n1 Z+ C' M <statement sequence2>;
5 ^6 E8 t$ _1 ]. D% X end; G7 J% n: E1 C( V V' C. G- m# a
(2) while <condition> loop% |4 M z1 g" a
<statement sequence1>;
0 l+ D! Z8 i( N% _) ^' ?) P end;8 t4 N# r% _; _& c. _ E7 V% Z
(3) repeat 5 A9 o* S$ e$ w, X
<statement sequence1>;, D# T% K) w+ h. j7 Y4 Z
until <condition>;4 U" C; G: ^' J% F
(4) for <condition> to <condition> loop
# v4 h7 m( h$ d: I% X. l <statement sequence1>;
; H/ q4 C o7 ] next;
# C }. t4 Q2 t( Y' G3 D, Z3中断语句. G7 g8 a. G1 M* I! m
waituntil <condition> prio <integer expression>;0 h: g$ g4 @2 z. M% X
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+ H1 C5 d5 }% a8 @2 R: Z9 O以上为常用的函数！& @- d1 t$ \* h6 P# @
还有很多，如有需要我把资料发到你邮箱里 7 |8 ^! ~' t6 g; q/ d
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