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发表于 2012-11-13 08:48:12
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1判断语句
! j1 [ O% `4 U- _ O if <condition> then
+ L }0 a |' }5 N/ ^7 D <statement sequence1>;) u' Q0 R- I% J+ P
elseif <condition> then: s8 F0 D7 `/ c, t
<statement sequence2>;
9 u6 l& r1 M# G else ( c0 n) y4 N5 f! N' r) A5 S
<statement sequence3>;
3 D7 }6 y1 |* ]( T1 i end;) T; C( N5 }7 p& D8 a
如果分支比较多，用：& W) R9 i1 j8 o. g
inspect <expression>
: a n: H! |3 w when <constant_list> then) \. U: `- R3 b8 ?' n" g
<statement sequence1>;
; v7 L) W9 l0 }) i. L( ] when <constant_list> then
% s+ `- e/ }; S) p. R <statement sequence2>; U+ u5 @1 [% A% ~. {+ { g
...
2 A, P$ W" R- P4 o- H else
, ^2 L3 V, { Q9 g& D <statement sequence3>;
# l/ S# t% s" i+ @. G; gend;1 ~4 F( q. L& A( D6 Q( \8 W
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2循环语句% A: s. Z: [! I/ b! n' E
(1) from <statement sequence1>
" E6 C8 c7 K# l until <condition> loop/ ?% A5 u+ J7 W. c) u
<statement sequence2>;
, d- ? a: s4 E9 u, p0 ?* Y7 N( _ Q end;
$ g& ^4 _" M. ~) V' h (2) while <condition> loop8 c* j6 _& S7 l- Q' I
<statement sequence1>;' h# T9 |: X( w7 d3 c* ~" V- g8 Y
end;: y) [3 S7 M3 {: V. o2 j- I7 _: o
(3) repeat . D/ T1 _1 R" P; q4 n* z
<statement sequence1>;+ i$ R7 _" P# T3 @+ O' c
until <condition>;
3 Y; k0 p3 ?( k: B" w# C0 R. X (4) for <condition> to <condition> loop
2 F7 q$ o8 i3 Q: |/ B/ D: W <statement sequence1>;7 @ n {, {6 I* w1 r9 Z/ H5 `
next;
3 O4 o3 x: s, I& V& @3中断语句+ {% J& e( z" u5 }2 X- |+ F, n
waituntil <condition> prio <integer expression>;
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: B2 @4 r- N; U$ `5 N以上为常用的函数！1 ?# H3 K) [( Z/ [: I. I$ g% G
还有很多，如有需要我把资料发到你邮箱里 ) q4 b: h* H2 p
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d3 {% \! D0 X" A7 e' I7 y5 l% E7 h( @: N ! N, M0 G, `3 V5 s& o& @% W
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