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发表于 2012-11-13 08:48:12
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1判断语句
* w4 f( s8 A( K1 X9 v+ p if <condition> then c; B3 z4 A8 p6 v- Y/ T3 Z6 X4 s
<statement sequence1>;- M5 N5 N# I) \* [
elseif <condition> then& E0 K5 ?; N$ I1 G% W6 Z
<statement sequence2>;
X* ?7 @" E- u" F else . D q2 l' I! G
<statement sequence3>;5 {5 ?' ]) J! e4 Q3 m9 {/ h
end;
" [( C" a. ]+ l; ~4 U如果分支比较多，用：
9 j0 f( g$ B( y; I inspect <expression>% t6 B6 [3 D0 m j' A
when <constant_list> then2 H7 k( D4 n6 D
<statement sequence1>;
9 V4 y$ N8 R* u9 ? when <constant_list> then* o; Y5 x( t, k1 }2 _( J0 [ F+ ^
<statement sequence2>;- v6 X6 w4 r! X" I
..., b3 J: |! `: f
else' M4 z4 e% k( b# Y- U9 Q
<statement sequence3>;% w$ K' u C/ p' E, `
end;* Q+ }) B5 K4 i7 _! b) h6 a. M
, F- R" H7 [, h; H; y2循环语句 Z) j9 f* A7 g
(1) from <statement sequence1>
. t1 R- i; [2 V# r" V until <condition> loop
: }6 Y& u2 `5 }* q5 ]: n0 `8 N3 E4 | <statement sequence2>;
6 W0 }* U9 _% _. t; X end;
9 b: e" Q9 k* M* O8 l (2) while <condition> loop
9 w& v5 w( u5 f3 }" U# l <statement sequence1>;
% |1 f T! B, s6 K0 s end;8 V' E. y- D& G, v# w7 ^# h
(3) repeat
: W+ `0 [5 W+ \; Z <statement sequence1>;
- Z* v# y7 R( z8 a until <condition>;
# k0 B1 f- k4 p! p$ P (4) for <condition> to <condition> loop: R2 Z/ \& ~. n$ v9 z; `6 |
<statement sequence1>;
g# N# c0 o( f) q. t& } next;
2 A6 T" F6 p, l3中断语句4 d1 k8 u( D& B) |7 J i- x. Z
waituntil <condition> prio <integer expression>; c% Z1 m- g- V2 A& L: j$ g+ J
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以上为常用的函数！; B5 W; u* o. |' g8 v
还有很多，如有需要我把资料发到你邮箱里 - E+ G; B/ s. ]8 b
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