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发表于 2012-11-13 08:48:12
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1判断语句( V: E! a0 t/ G
if <condition> then5 w; j( y3 \ U' s$ c. U' w
<statement sequence1>;
* j* H3 f0 z6 g( _ elseif <condition> then3 q% Y8 B; g! H2 J. r
<statement sequence2>;
6 Q4 i. B4 T+ d( H& ? else
" n. I3 E3 c6 P5 l) h6 S9 H <statement sequence3>;
+ d- Z1 ^- l4 M/ a9 K# Q end;$ e, t: Y. V( j3 C# A
如果分支比较多，用：% @* S# v6 |1 m2 B
inspect <expression>( ~5 {1 }' b2 }9 c/ U
when <constant_list> then$ F- h% Q2 T {# I+ w3 v3 E6 U
<statement sequence1>;4 z# m; T/ K6 g& T X) h
when <constant_list> then
2 ~. Z/ V* x1 V6 s$ H* g. K9 M+ ?' y S3 ] <statement sequence2>;
; v7 M# ?, p1 o2 L2 Q& F) J ...
3 W' i1 }' [5 o/ o/ g, q" Q+ O else
7 W' w0 o6 E, i2 {* Y1 X) { <statement sequence3>;; K% Y" @; t* `
end;
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% {2 I% D. j8 x) u2循环语句1 ]6 C2 O' a/ n- W! ?
(1) from <statement sequence1>2 [2 r' ~+ v9 T; k5 |/ l
until <condition> loop1 n' [( \. [$ |/ s. n( I7 H
<statement sequence2>;
& F& R3 O- [' q% m* r end;' X d+ ]+ f* I# z' Y1 j
(2) while <condition> loop4 C0 A& O4 N# \- X# C1 |
<statement sequence1>;
' \ L2 b+ v' Q end;
7 n6 l; s' k- P" i$ e6 u+ u; R (3) repeat
# C V4 f3 Z4 [" P# z <statement sequence1>;
7 t! J5 B( H8 U. `% q$ J2 @ until <condition>;
$ H2 p+ u& [: H: `0 L7 { (4) for <condition> to <condition> loop
0 {3 t: x% g6 @5 P <statement sequence1>;' t+ r3 _1 d% @
next;) G, A* y5 v9 h+ t. g
3中断语句/ v, T7 F$ W$ H# E- ^& `
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
% G5 O& y" D* V5 C还有很多，如有需要我把资料发到你邮箱里
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