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发表于 2012-11-13 08:48:12
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1判断语句
/ p) c( V) u# I6 j' W+ z Z( [- \ if <condition> then
9 u8 L9 O! ^( f- H" a <statement sequence1>;
g; m% D1 Q7 K, ` elseif <condition> then
5 A; G' E6 D g' B* Q. l <statement sequence2>;) p& H- M% a4 w/ D: Y4 x9 h
else - m) g$ l. m! \% [, |7 ^4 @5 {/ _
<statement sequence3>;
# q8 ?# t# K9 w* {5 q# l7 z end;
4 n# U! r/ f/ {6 l: G如果分支比较多，用：
: W* p2 V9 t& r% U9 O" ?, w# r. l" Q inspect <expression>2 h2 |9 i, ?2 s" W
when <constant_list> then
- D F6 Y& P! w4 H- z- X4 W <statement sequence1>;7 N( L- ?- O8 t Z$ h, e( g
when <constant_list> then+ c/ ~( H$ q& A% R. y5 x# ]/ }' z: ^
<statement sequence2>;( W4 _. D6 R: ~6 j# g: K) C
...
( I+ B0 F4 [; a' ^ r7 n& F9 R else& R" Y0 r; s9 ^/ H0 r' B
<statement sequence3>;3 }+ ^8 g2 R1 d% ^. o
end;
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% l. I+ r- ^- }+ }9 [: }2循环语句
" Z4 o4 t& {/ u' p+ d; K (1) from <statement sequence1>
6 i$ J( D* V" a4 n- b until <condition> loop
' l- E' Y- J+ N1 } <statement sequence2>;4 Q) X' T: ?* B5 W& s( w
end;* {7 u3 P, g) e% ~6 Y
(2) while <condition> loop
: ], g4 C+ Y! f% _( \# c2 `# k& a9 w <statement sequence1>;! y7 ^' Y$ H: q7 H4 k- Y
end;
, ]% C( d l0 ]7 r, z* p (3) repeat # j l2 o) y2 z/ J
<statement sequence1>;
7 r4 ]0 j# g* ]: w. S& n6 D until <condition>;
" `9 \ f- Q: D5 P (4) for <condition> to <condition> loop
3 t- b) \7 h- A0 e, X <statement sequence1>;
0 N/ K4 V$ D& e next;) g$ N& `; S+ |& A1 A, }$ s1 X
3中断语句0 b- s4 m- z. i5 ]7 ?
waituntil <condition> prio <integer expression>;
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( H8 J' {$ g" S0 G4 r
以上为常用的函数！
: T% C, s. c8 M; P3 p/ g! i还有很多，如有需要我把资料发到你邮箱里
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