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发表于 2012-11-13 08:48:12
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1判断语句
& o/ g: m& G0 r6 Z. Y6 T1 O if <condition> then% Y1 [% z, n( B
<statement sequence1>;
! `& `3 E1 Q. y2 m4 E4 ^0 i elseif <condition> then
' c2 ]8 W, h: T/ W2 C! `$ Y% { <statement sequence2>;( n1 W4 _3 H4 W+ O- {" d- S
else
3 U# J; W H1 N0 R <statement sequence3>;, i5 T$ F0 e: H% u% p
end;
3 C* @$ T/ g- m2 B6 v如果分支比较多，用：) M* Y" s; Q% t" u1 Y* L
inspect <expression>
0 w. L- y2 {) e+ X& N when <constant_list> then; [& D" P3 |: c" P' S6 B/ b
<statement sequence1>;5 ~/ Q1 b L- ], C
when <constant_list> then
$ ^& W; @4 o/ \; X) y. z+ h5 j1 Q/ v <statement sequence2>;3 q) z5 T" n3 `
...
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<statement sequence3>;4 ]* a) s* q- G/ k- t3 {" O
end;6 z k J$ K; r
5 c# i- Q; B4 F" L1 q8 i6 a2循环语句 I; l1 b" ~' ]3 @% l6 }: D
(1) from <statement sequence1>
8 X9 |& x% S& H until <condition> loop2 C2 T9 }2 a" H$ k) \" p v! x4 s- ~
<statement sequence2>;
- z0 Z2 A2 n8 C, } end;8 O: U# p1 V s2 h1 q% c* P* ?) k
(2) while <condition> loop* V: h- W3 y. m* M% i! v
<statement sequence1>;
; G# l8 J1 p0 ?$ O end;
; o7 X& b6 c+ q7 F% a s (3) repeat 5 ]) N9 ]1 r% m4 d" G' m. u
<statement sequence1>;
5 w4 b v1 T$ a! y until <condition>;- Y$ ^+ ?: I, [$ U
(4) for <condition> to <condition> loop- x5 ^1 e1 ]8 S! @- Z+ N
<statement sequence1>;& c' I3 D0 v8 A9 d% s" x
next;4 y1 P* s) Y7 u
3中断语句# i3 P( K6 e9 h. X5 T0 O
waituntil <condition> prio <integer expression>;
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, p/ y: U m0 M7 n% _以上为常用的函数！
9 J; L- c7 `6 s" N* L9 j; m) G ]% Q还有很多，如有需要我把资料发到你邮箱里 ' p( L N- [. ?1 e/ P# b/ e
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