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发表于 2012-11-13 08:48:12
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1判断语句
+ m6 d, f6 p' @' ? if <condition> then' w2 t' m5 S4 D+ O6 Z
<statement sequence1>;4 T0 M% `+ _: p w. n8 _2 `
elseif <condition> then2 L# L L- v; ~
<statement sequence2>;
, t5 J$ ^! H( f% V( M: ^* B4 v else
( U B+ k9 \8 ^- ]5 Z <statement sequence3>;
. A2 h) O' x& y end;
8 c: v! ^" P* e- h- A3 k( T1 z+ k如果分支比较多，用：% H' `: ^) T4 \# F- R3 s4 a: w
inspect <expression>8 y! M$ E$ z, h
when <constant_list> then
# ?+ u3 A g; U7 O) b- R8 | <statement sequence1>;
4 Z& f( i; [# L when <constant_list> then1 G( S. a6 l5 q; a$ V5 y
<statement sequence2>;# Z) G2 M# @) z3 Z5 S
.... x! U' w7 X C! G S Y
else( h: n+ J+ A+ v, S7 a
<statement sequence3>;8 E* |) K& P* r9 B! t
end;8 N6 m8 o( G$ ~1 j9 m& c; _' A
' p9 @) h3 ], V# b8 A" U2循环语句
7 C9 \% t7 b8 d: [1 G" U (1) from <statement sequence1>1 x% M! Y, g, q
until <condition> loop+ @8 t2 ]8 V* [
<statement sequence2>;' g& W" ]; Q2 R8 O
end;
) O1 u" Z: x3 o+ `/ b+ r3 r (2) while <condition> loop
+ y" L$ d- I' B, x8 }2 z6 L <statement sequence1>;
$ f1 T6 F% t+ N7 z end;) q9 g! I% j5 C' g
(3) repeat
+ D- L( v( X* V. t% Q4 L6 ?% L4 ^& E <statement sequence1>;
: O; C7 p( ]; f" c+ d2 {! c until <condition>;! b' ^! a! D3 P! P$ U
(4) for <condition> to <condition> loop. x+ {8 w* S$ F, P
<statement sequence1>;1 W3 M6 Q1 l, x, k/ Q
next;
& ?2 ?. I; @% n- G0 y8 D8 v3中断语句; C( u* O1 b" k2 R
waituntil <condition> prio <integer expression>;
; w3 \. C6 c- \* J3 s9 T. K1 m5 ^
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6 ]. Z: S& z+ e* I8 A3 H0 H以上为常用的函数！
3 n' A- S2 ?" I# l- \还有很多，如有需要我把资料发到你邮箱里
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