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发表于 2012-11-13 08:48:12
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1判断语句
2 f3 i1 K: d! Q* E if <condition> then9 P0 ^! }) b9 N( j/ A4 g
<statement sequence1>;
& |2 A, n) f3 I u \( |- B1 h) j! j5 x elseif <condition> then' f& O/ X" Z3 J9 u4 q$ W
<statement sequence2>;
$ q1 {$ x6 o1 U f9 f3 N& T% W+ p else
: K. q( h! T1 M. {- f/ i <statement sequence3>;7 V. C+ A. @2 z4 E/ q% P
end;
/ Y) j4 [2 a3 }3 G+ L# f0 Z如果分支比较多，用：+ y. S- X; o _9 u+ Z9 }4 F
inspect <expression>
8 I/ e6 u: J p/ ~ when <constant_list> then7 x2 I% u$ I8 M& G
<statement sequence1>;
) W8 t+ K! r5 n0 k. t when <constant_list> then% T6 C& d+ d: X) c5 n% `$ A
<statement sequence2>;
5 T0 Z% c7 H) r: ^. s/ q- k ...- ~0 }2 k7 t; l- u1 N5 M9 H5 ?
else* I- @9 K' N9 R7 Z3 }: n- ?3 {
<statement sequence3>;& w1 u2 S3 S& S# g& k
end;
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2循环语句: D: R G" W4 _+ A6 ^& u( o2 X
(1) from <statement sequence1>6 W; O' I* x/ ~$ j: I
until <condition> loop2 H) P- Y# L2 x4 ^2 m! Y
<statement sequence2>;
3 l. O5 L* P4 t end; p& I/ L" {1 i4 j: G
(2) while <condition> loop
+ t1 X+ d& I# u3 r. z. K <statement sequence1>;4 Y* {$ W# @3 ~: |1 B
end;
2 X( K( ]1 _/ v$ Z (3) repeat
, s4 a, A& J0 {' Q2 Q) \; K <statement sequence1>;: Y1 m2 O! M7 ], K
until <condition>;1 b* h6 }- p: ?
(4) for <condition> to <condition> loop
, x- q, r/ d: d" q <statement sequence1>;
# w; ]/ i( m0 s5 C next;1 \; f& l6 V. \; O0 S+ x' p
3中断语句 w$ X( ]# ?" D7 k, _- _: z! z
waituntil <condition> prio <integer expression>;9 \* c5 w' }1 ~' z) m/ g
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: j+ z1 L. G u4 V" x8 R6 g以上为常用的函数！# V9 R; E0 a; g# m" n# @
还有很多，如有需要我把资料发到你邮箱里 ) c* m' \+ E, c# ^1 X
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