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发表于 2012-11-13 08:48:12
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1判断语句
1 J7 c2 \$ R9 A% \3 z if <condition> then+ J# s0 v' R4 G( Q3 f
<statement sequence1>;
( {3 E; ^* n4 N1 z) y$ ]+ R) Z elseif <condition> then
; y& ]- S: x. m1 L5 @+ y0 {' O <statement sequence2>; v0 E$ J+ W+ b& M f
else
9 ~- K7 E+ M' p+ J: ~ <statement sequence3>;, r4 N# ?8 U/ v
end;; b& |1 I' Q! n1 s+ X+ Y
如果分支比较多，用：
1 e6 e9 u: }2 ~7 U2 r, y inspect <expression>
3 Z: |5 w8 `3 r5 `, Y! o' B( r' u when <constant_list> then
* ^% {3 Z, A _2 b7 z <statement sequence1>;4 b# {7 w' b/ n- @, `5 I9 z8 m
when <constant_list> then! v2 a* ^: v7 [! r: h
<statement sequence2>;
" `. P8 F" b5 y, ], h, @1 A ...
) |; b# {& X( R0 S. o1 a else
% a, y6 G* k) ~/ D3 `) y4 o <statement sequence3>;
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2循环语句# Y. a1 U/ q9 Q% G) B+ i* c) W
(1) from <statement sequence1>
) _0 ?" K; R. |* D8 k, O: E" E until <condition> loop6 K: ]3 P7 A) z
<statement sequence2>;
- H& X: x* }- m) Y0 G+ e end;
+ l* J2 @+ {0 }5 r (2) while <condition> loop) G$ w! v' C9 S7 {! b. R4 y8 I: L
<statement sequence1>;
& E( M, Z9 [, w, T% e6 | end;
J# |6 n7 u+ ?6 \2 a/ }( N (3) repeat
6 `# B' y0 t- I& w. {) s; {2 u <statement sequence1>;/ a0 G+ U+ ]% P/ l* p1 J1 M0 k
until <condition>;) k- U0 U- n' M1 l% A
(4) for <condition> to <condition> loop0 B1 {) a/ E* O7 z8 n. @% p2 h0 n
<statement sequence1>;, A! {5 B8 z' ^% o8 \$ @; K9 o' n
next;1 t9 J6 \6 _* _# ~
3中断语句! h1 V+ I7 \$ B1 ^
waituntil <condition> prio <integer expression>;9 F5 K1 Q( P- K0 ]9 E4 i
) d2 B o0 s& u7 H# p4 S, t7 Z) U8 m/ g
以上为常用的函数！3 L4 y. v- `8 |- j" J
还有很多，如有需要我把资料发到你邮箱里
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