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发表于 2012-11-13 08:48:12
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1判断语句8 P! a0 o+ y2 p* c
if <condition> then, _8 [& Y: o9 s3 B0 C& Q" @
<statement sequence1>;
* O% E0 N5 U3 T# f8 j9 a- R elseif <condition> then
$ i6 U2 t+ u4 G- ] <statement sequence2>;
/ K# U# I4 X% V+ W else 8 ~* n2 n0 x# u5 G
<statement sequence3>;: i% r# q% k! K. V- o
end;
% R# F5 k9 m5 G1 s( L- U0 m如果分支比较多，用：3 Y1 }. _8 p- j* W! O* m
inspect <expression>
% X+ q" Y+ @! b e when <constant_list> then
3 b7 H& z& ^& `4 r; m2 a" k <statement sequence1>;: K+ k( r/ Y) f4 N0 M
when <constant_list> then* |! ~% [1 S* B" m
<statement sequence2>;
' y. T. S# ]" v4 x% |4 } ...
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<statement sequence3>;8 G+ U1 i% f( u: b7 p. Y
end;
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. U6 ^5 F! ?' l6 I6 A1 [2 n5 ?2循环语句$ d8 j1 _3 W; I) x
(1) from <statement sequence1>3 H0 A$ y1 ^7 S8 i3 o b" O
until <condition> loop
* s1 R! O) z( ^' F( T <statement sequence2>;
" P/ W1 Z0 ^% J ^) {1 z end;
0 z9 W* {( R( j( @- w (2) while <condition> loop
6 g* r+ k/ b3 O0 w* `0 x& } <statement sequence1>;
! Q ~& S( v' ^6 T$ o end;
6 w7 o. n$ K! `9 i! l8 q4 a (3) repeat
4 @4 [ z' G9 V6 f4 ?6 x <statement sequence1>;
2 a3 L/ } L1 m) L* Q5 s until <condition>; h* W, J4 {& u: `- U3 G
(4) for <condition> to <condition> loop4 I" `+ P8 h8 y* w$ P$ J4 w/ }( g
<statement sequence1>;0 a! L' X8 m: ]4 O1 c p1 D; K9 |5 J
next;
& n4 ]/ o' y A& z3中断语句8 z0 N! O+ q) D! {5 _1 v/ d* n
waituntil <condition> prio <integer expression>;
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# z, B$ M$ G& j* h+ K6 z
; S3 p8 `. R% f) F以上为常用的函数！
( Y W+ h* v* K4 x% A, `8 o: }1 F还有很多，如有需要我把资料发到你邮箱里 + M2 E* j5 d4 M4 W/ K
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