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发表于 2012-11-13 08:48:12
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1判断语句
( a, }' v- a1 ]' ^3 x" W if <condition> then" n7 m9 R* L) V- a5 `' Q
<statement sequence1>;
6 ?+ V/ @8 B; d2 | elseif <condition> then* D# D7 f) e7 n' L$ Z* h5 _3 C
<statement sequence2>;
7 l: p Z+ B) x4 r7 s" J |* d else % l$ N" c0 i& d: I3 W1 n8 e
<statement sequence3>;
, q. @7 k2 Q2 T* o7 q4 h: j1 Y Q0 S end;
$ g( f) D0 o9 m如果分支比较多，用：3 u( w% ~5 L# E! r8 F G+ O* V
inspect <expression>' R4 F' ?, A6 ?% [; {6 B
when <constant_list> then
8 k4 b# |% Q! q O4 V4 _ <statement sequence1>;
: ? B a/ ~* w) A6 g; s6 T when <constant_list> then4 p$ |4 t, ~2 ~) y0 e8 _
<statement sequence2>;
, e, J, n8 h6 ~. x ...
$ v& U# |( H0 A% _: I else
7 T) f8 S- \. r9 X% j7 q <statement sequence3>;1 v! g# Y9 G' w2 R B
end;, w4 _2 z% Y8 i" A N! {3 W
! l* X4 ?% _ [6 _% \+ C2循环语句$ r3 ^9 G- F# m8 p+ K
(1) from <statement sequence1>+ L$ X/ j* _9 v' I h
until <condition> loop& G# r5 R! G" w7 i3 P
<statement sequence2>;
2 C* Z1 c8 z3 |4 s9 a end;
& Z2 e& ^7 L3 O$ b8 k! m( [8 P (2) while <condition> loop
: M% B% i' E. e <statement sequence1>;; W) s v y+ v, W2 i* ?; e/ K
end;( W7 o+ c- V2 G9 F0 Q
(3) repeat 1 t! M1 k# ]6 Q- `, p
<statement sequence1>;
5 Z: j! x2 x$ }" ^ until <condition>;
9 R8 n5 Y& w+ m' u (4) for <condition> to <condition> loop, \! K7 F+ p! g4 T: J( \# J$ t
<statement sequence1>;
' k, e1 h- h+ r y next;
, L0 m: B' N3 D3中断语句$ ^5 v& d) \5 N' \" w
waituntil <condition> prio <integer expression>;
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7 ~ p& U9 a1 P2 k& s# R
以上为常用的函数！
- e. F- e% S$ r6 j* S还有很多，如有需要我把资料发到你邮箱里 1 q# A) i5 Y2 N
& d& K2 U/ R) [1 L3 B; `, T0 G4 U1 ~+ `7 v/ e
H- b3 X4 x6 I- u: T
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+ @3 f* z$ b: O K. n. e
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2 L$ g1 Y: [) Z5 a; v0 z: X$ u+ [ 6 A, S) V$ [2 Z; t/ B
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