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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
! X' l( ^ G G. ` if <condition> then
0 G, W& K# p' R/ T& K. R <statement sequence1>;( K% y& a2 k+ y
elseif <condition> then
& p+ c7 P* P$ t; k5 y; F <statement sequence2>;
3 a2 t& s9 B: P8 o- S( q- E else 7 k3 _1 N/ n8 r) [
<statement sequence3>;
: |! O* e, L( Q end;) ~/ c" I Q) y8 U) s
如果分支比较多，用：
8 l% n; x7 D4 ] inspect <expression>5 p. h% @/ F6 U. k a* ~$ V
when <constant_list> then3 d0 v {7 F, R$ o
<statement sequence1>;
3 ]/ S; H. i; Y2 N. }! r/ g1 c when <constant_list> then
8 I- S- ?8 u, Y* o4 V <statement sequence2>;
8 O1 u; J+ P5 a ...
& E) A4 X$ H C else
t8 a3 C, x0 X4 j7 l# Y9 I <statement sequence3>;
* |' K8 U( Z6 {- d9 ^: S- q: |end;4 s C' E+ a/ K: D, O4 R& n
8 ?6 D( B5 z1 b2循环语句
9 k3 G# L5 E" f, k N2 s" x | (1) from <statement sequence1>
1 X# \, j( n! v( W) h+ X until <condition> loop
q( c2 `! }$ W, O8 E$ s <statement sequence2>;: D' V1 ?; k0 g5 P
end;
6 U# d8 W( i* a6 M7 N$ K, _ (2) while <condition> loop6 K0 Y8 L8 `9 E
<statement sequence1>;' V2 }7 [* V4 U) h0 B
end;: l- k: ]$ _8 k4 j
(3) repeat
8 V) r* O& O! { <statement sequence1>;
0 V& ~: f7 O2 J. m2 H( q until <condition>; I2 j: l- P" U1 C* {: K
(4) for <condition> to <condition> loop6 d) T/ e7 a% O" V/ L/ M
<statement sequence1>;/ r8 I. ]; h( i5 p, O* Y
next;
* Y+ i5 W' k+ w3中断语句4 T/ X5 ~! E. I, T6 z0 Z
waituntil <condition> prio <integer expression>;
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2 N/ }5 h( H" R) ~" w8 G( V$ j: C以上为常用的函数！. ~+ |- c# R" }& k1 p( N
还有很多，如有需要我把资料发到你邮箱里 }/ b- W4 u3 r$ `% l, }* f7 f
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