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发表于 2012-11-13 08:48:12
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1判断语句; j F5 k0 ]$ Z
if <condition> then6 o: L* C& b( l! I5 \8 e
<statement sequence1>;
: d$ w+ k2 H% [- I6 c: | elseif <condition> then
, d1 x$ n7 f1 P: m- A( U8 i6 | <statement sequence2>;
$ U) j2 q$ _. n3 q: f0 o else
' q& Y7 X- M# q0 C9 [' t6 n6 e9 y <statement sequence3>;
3 x7 ~/ o6 @& C+ _ end;
2 s8 C4 j% e& `5 S4 N# i+ k如果分支比较多，用：4 z( E9 P; y& ~5 l8 b# m5 w
inspect <expression>
* o% X' k( o4 N- [: v& L when <constant_list> then6 N: o' S _, e
<statement sequence1>;2 y. V8 G- W8 Y. m) F* Q
when <constant_list> then8 u6 j# Q' {0 Y$ |
<statement sequence2>;. W. Q4 X u5 m
...
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<statement sequence3>;
5 R f" Y( W% xend;
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2循环语句, r" K" h* ?9 g# v
(1) from <statement sequence1>! _4 W% y1 C6 t1 C6 j; L! F7 C
until <condition> loop
% `6 d) `: T) ?0 B. F <statement sequence2>;- p! ?! ?+ a- q- T8 |' R. X5 g
end;
7 y( d5 X2 x" P" Y: x! _ (2) while <condition> loop) p5 t8 H- ] n6 p
<statement sequence1>;# g0 g; `- a4 T$ j
end;
6 k( f. ?" R' j! i3 A1 U" g (3) repeat
7 z9 D5 J7 n* a( W0 k L <statement sequence1>;7 e3 p, H& r0 W; B9 }
until <condition>;) N! @ t9 I0 s4 a1 F
(4) for <condition> to <condition> loop
0 l+ R0 K2 A' ]# U0 O( y2 K <statement sequence1>;
# }7 ]# F( n. D next;
$ N% e' n0 ^& S3中断语句
& b/ X. |5 `: B3 T ~+ o9 m waituntil <condition> prio <integer expression>;6 u% x) f9 d# A! j$ Y
8 l* e& L8 n" @: f g \4 `
, m2 b0 H) M$ u4 z0 T1 c# D以上为常用的函数！
3 `1 s$ j' b2 B7 m. {2 ]! c8 O6 ]还有很多，如有需要我把资料发到你邮箱里
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