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发表于 2012-11-13 08:48:12
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1判断语句1 K2 d/ \2 R" g7 m$ J' W
if <condition> then
* C* E5 s& A& d m% i0 n <statement sequence1>;. `( k4 I+ N v3 q5 }- N! R
elseif <condition> then
2 N. X+ K* }) D0 S <statement sequence2>;
1 `3 p# w8 v0 J else
4 j* y7 n2 S9 o |5 k: j4 a) w: l <statement sequence3>;' ]0 l: O. _* g
end;4 h0 k- i) x! A: T8 |
如果分支比较多，用：
H6 E; J3 s8 s- n1 C4 Y inspect <expression> R/ O5 i: |. b, Y: c
when <constant_list> then
4 G7 j& _8 p/ n. m# w. N8 U; C% O w <statement sequence1>;
; @0 y% O8 _2 \ v- O+ t) s when <constant_list> then
' X1 w2 R5 A0 _" m" w <statement sequence2>;
X; B' D. v8 B" V4 u! L ...
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<statement sequence3>;
& o' y* U ~6 I+ P3 _end;
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2循环语句
( z1 M4 u* N, d1 f. j) H& n' ] (1) from <statement sequence1>
* j* \* J+ L7 }2 j( L until <condition> loop
9 K/ w0 H: `3 P) ]" L9 { <statement sequence2>;
' }- h5 G" n3 ^, h% _5 k end;
2 A+ ]# o7 Z4 m3 \& I$ ^ f! _+ | (2) while <condition> loop E$ S. D3 d. K; I) v
<statement sequence1>;
2 j) G4 x' `9 K end;
, V6 W5 R" H& z+ j+ q$ ? (3) repeat . @: a6 [# p8 w& H) x' K
<statement sequence1>;* p/ d @9 c" R8 }
until <condition>;
. J+ C7 f6 R$ [, f (4) for <condition> to <condition> loop
8 s- b; `# G3 y9 S V <statement sequence1>;
- w: }5 }( X6 _. c next;6 O6 d2 S) M+ J. G
3中断语句8 M. t+ e. h- _: k7 ?
waituntil <condition> prio <integer expression>;
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& v' q- g0 _' e' i$ S以上为常用的函数！
6 @* @# X3 `) x- U1 O还有很多，如有需要我把资料发到你邮箱里 $ @' I" E; x" b- m9 f2 W, S
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