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发表于 2012-11-13 08:48:12
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1判断语句
+ ^. L" M6 _$ t3 ^4 y: O; n if <condition> then
2 D$ B m* G2 }8 z6 F2 } <statement sequence1>;7 d% l3 K+ O# c, n6 }' K
elseif <condition> then
" l/ c9 }$ F. |2 g7 i: u+ [ <statement sequence2>;0 v3 b. ?) @$ H( v0 _
else
6 W3 q( {7 ^- r/ t <statement sequence3>;7 E" p, o- j6 x9 r
end;; G4 o8 k1 A; {
如果分支比较多，用：! L, P- v2 h/ S5 d; R4 T
inspect <expression>
4 [7 G2 R& \# {3 ]% }$ S when <constant_list> then
7 k& n E7 S1 V% j, G7 _ <statement sequence1>;- I9 L' q2 C2 _' R( t: `
when <constant_list> then
0 I3 d* g3 u% ? <statement sequence2>;
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else: L2 {8 D) t7 v0 c3 F
<statement sequence3>;( ?- ~: K/ Q% U
end;: G. n" G( d( a( y' i, k1 _# x$ b
8 d( }* n8 k" ?* C+ d: G. n2循环语句
+ L$ g9 y2 f) _8 C (1) from <statement sequence1>
9 ]( ?9 a e9 |% Y! n0 Y# R/ D M+ G& n until <condition> loop( }' U9 `# i8 ^* E. @2 T; q
<statement sequence2>;
! j% D5 L3 Y% P# a9 ] end;9 R0 {* w. w2 d5 z
(2) while <condition> loop
$ F" B; @' b }2 F <statement sequence1>;, o" {6 F& N* g
end;. l9 _- o* n4 I
(3) repeat / H/ ?; l) b) y4 g4 h
<statement sequence1>;, g" ^& L: v; c# M* |1 |
until <condition>;0 V. C; K# B- p1 w7 p" B
(4) for <condition> to <condition> loop
. _' d0 f3 l/ W <statement sequence1>;. q3 d4 F8 M1 p% O. Q/ j! ~ F
next;& @3 g! ^0 W* L* d& C
3中断语句& L& Q& C& g3 H) h- F/ i
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
, |/ b% d* ?& Z' p+ T还有很多，如有需要我把资料发到你邮箱里 # d6 R2 _ h: c& Q y+ O- s+ s) G8 z( s
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