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发表于 2012-11-13 08:48:12
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1判断语句! e- X1 _# O( g/ n. a& m
if <condition> then; F& _% x7 L/ l; Y2 P
<statement sequence1>;
( q8 ]7 S/ \8 c. P) f elseif <condition> then) z6 z5 N7 Z/ ^$ U0 s
<statement sequence2>;
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<statement sequence3>;; q" A$ B L7 ]
end;
$ w0 |3 c+ |; E; M; d如果分支比较多，用：0 V! V4 L% _! a
inspect <expression>
: N1 {5 ?$ P+ v8 {# ? when <constant_list> then
5 s( I' Z7 D7 e/ `, d <statement sequence1>;
& N8 _9 V# J5 G* b. G& A. a' ]* ?. R& s when <constant_list> then3 S J- u, g: u% E- r
<statement sequence2>;3 ?: J' \ X% Q) i" C- K
...
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<statement sequence3>;
0 _, A; { _4 r. X& ^4 i% b! f5 U9 Jend; T0 r$ O# w! i$ c
2 b+ b2 z1 F5 c, l5 }( T) B2循环语句3 e' N/ A8 ]0 E
(1) from <statement sequence1># h+ q8 G$ N8 N
until <condition> loop U! r% t' q: d$ j0 Y1 V
<statement sequence2>;: i3 Y/ G; U2 M
end;
/ L% t$ Y' E. p& n2 i9 S" i (2) while <condition> loop
1 y* a3 S$ f- g+ o% l <statement sequence1>;0 k+ o; F! U5 X
end;
; n" j3 w/ e! q' { (3) repeat
: c: z# n6 G9 |6 ? <statement sequence1>;
. x; J; _0 {% V) \3 U until <condition>;" ?8 V7 s) u8 r' [
(4) for <condition> to <condition> loop3 W7 W. L* P [! F6 T
<statement sequence1>;" Q. ?' h' ]* W3 P
next;0 h1 f k/ o2 y: [+ D
3中断语句$ m6 ~. U; z3 q2 @( \
waituntil <condition> prio <integer expression>;
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2 U2 w; u$ ]1 a6 V' W/ o, c( H以上为常用的函数！
( |/ f2 z. k" `. A& M5 ~ V" a9 e5 q还有很多，如有需要我把资料发到你邮箱里 6 e4 b! x8 t( }8 ~/ `8 ?
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