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发表于 2012-11-13 08:48:12
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1判断语句
; M. J+ {. C# a1 _4 L if <condition> then8 a, k k1 k E: @: \* Y
<statement sequence1>;
9 x6 ?" ?' m% t9 u# r& { elseif <condition> then
/ m/ F, F7 V# a. w9 V- K. k+ A3 g; H <statement sequence2>;
$ u+ D# y0 o2 W( {5 e9 o else
' m& ^" y. e" W' L* y7 } <statement sequence3>;) w3 \ J" C3 v: W
end;
* |' d( a" ?1 N. w: h" s如果分支比较多，用：7 a% p+ A) v# ?' |3 w: I3 p$ b
inspect <expression>2 m/ K7 u O6 P+ [( J
when <constant_list> then" k- I* y' h8 f, i1 L9 s' c
<statement sequence1>;
& C/ I( f5 e$ @6 `# q when <constant_list> then6 ]2 B' y+ i$ j ~6 U! L
<statement sequence2>; w ~6 U; y9 r0 F
...
/ F5 m0 G& _7 U* _8 S else
) \7 Y& d: v# }# X- V <statement sequence3>;! k5 v2 {- T3 [( m5 R- A. }6 j
end;
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: B, T& B9 D( N6 N* c+ S, \5 y0 z2循环语句
/ q. k& T! G4 |; {) g: s# v (1) from <statement sequence1>2 A- H$ ~+ R* g( U
until <condition> loop
- r5 a9 ~6 _" q- I! F <statement sequence2>;
' {3 v. Y3 _2 Z" U7 @6 h1 v$ B end;" P# }3 h* `5 |% k. N" d
(2) while <condition> loop( e) }: u9 \5 [& ]
<statement sequence1>;
0 M) I; b, ?5 h6 a end;" W2 F( E! l5 p# {5 K
(3) repeat . [) Q9 p) s+ R# _$ ~/ ~% s3 d! y
<statement sequence1>;
+ X2 q- [- f5 | until <condition>;8 v$ a" n0 y4 X4 w
(4) for <condition> to <condition> loop' Z) {6 ^& {( P" F& Q: T
<statement sequence1>;6 Q. f3 @5 J- J
next;7 {' E% A6 w; j& c
3中断语句
9 N. J9 ^' H# V) { waituntil <condition> prio <integer expression>;
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4 x# Z4 E! x9 o& J以上为常用的函数！
' h0 a8 A7 k! W还有很多，如有需要我把资料发到你邮箱里
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