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发表于 2012-11-13 08:48:12
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1判断语句& ?# W# I& [ f2 i; x9 }
if <condition> then; _- Q4 U) Q; j/ c( o! p! y5 F
<statement sequence1>;. W- {. X4 b' j x
elseif <condition> then+ p% V7 K' J: U/ Q# R
<statement sequence2>;7 A2 u: S9 P5 h, F9 q
else
/ J5 X q. Z0 o# R <statement sequence3>;
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如果分支比较多，用：; P8 p! N- E1 v
inspect <expression>1 o7 l" R# K& m% q3 T+ ], c) E
when <constant_list> then
9 L8 u8 p2 K3 G. u <statement sequence1>;9 y' B4 M8 E* L
when <constant_list> then2 {7 ?1 p) U H3 F
<statement sequence2>;( j, z% U' J5 n( D' z* F
...
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<statement sequence3>;6 }! w. b$ C/ i4 L& N& v* J* M
end;# ?& w* a! g5 b6 n0 ` c- P8 s* ~5 K
3 o/ ?9 j' n d4 @6 r: M; ?/ y2循环语句: y0 j' o! l2 n* D' e6 k: C8 K
(1) from <statement sequence1>9 Z5 G2 t: ?. W" Y. G
until <condition> loop. v- ~2 V% k( Q# l1 W) S
<statement sequence2>;0 {0 O3 I3 B: W2 `! f9 {: u
end;( S" @* K1 Z/ c3 [; b) I# |
(2) while <condition> loop# E/ Q; ]* L4 n3 k6 _* [
<statement sequence1>;
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(3) repeat
' B m9 E: p; [, [$ ~ <statement sequence1>;
- Q8 m) x- D9 D, n& I: w1 f8 y until <condition>;& c% E1 z2 t* K- i) N; ?* R
(4) for <condition> to <condition> loop
2 n ~2 a+ Y( Q$ X/ ^ <statement sequence1>;, w: W5 z; k- h" c6 G" {
next;
0 a3 }: u1 t8 R" N1 b3中断语句
* {* @# M V" f% O8 ~ waituntil <condition> prio <integer expression>;0 E7 v. h9 g+ G+ s3 g( f0 n
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9 b t4 o [, h$ H以上为常用的函数！- f* U" x* k8 c/ L2 p1 Q' n7 z6 \1 m
还有很多，如有需要我把资料发到你邮箱里
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