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发表于 2012-11-13 08:48:12
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1判断语句7 A+ I; n6 U+ p0 U
if <condition> then
( C3 R, ?" M& b1 q, Y <statement sequence1>;
" }: @; T8 }. e% n( N3 T elseif <condition> then
1 Y& Q8 Y6 j/ F, i& S* t <statement sequence2>;
% J* s# t5 \- j( P' y else
# Q5 l4 X2 j3 q8 z% m. m: @ <statement sequence3>;
% F( e: G Z$ H end;7 ?5 `4 \$ o Q! ]' \" f
如果分支比较多，用：
7 ]( |6 L1 J% k( r1 q inspect <expression>7 x% E( j, F6 o# x% j& X& [
when <constant_list> then- v" F A6 N& M) d. B: x) u
<statement sequence1>;
' v! n$ n: e2 { d when <constant_list> then. u# S/ i. w# x4 m1 @- P8 |" S
<statement sequence2>;1 D9 v; o* D8 ]) ]: U0 A
...$ w8 h9 w7 M4 k2 G
else
& D% d. S/ ^ B7 |3 f# x: ]& ^2 x <statement sequence3>;( K: O0 n9 X3 @6 n# b* ]
end;
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2循环语句; _8 z2 n4 z$ S% j) t0 ^1 f' }
(1) from <statement sequence1>
0 V0 [0 h( o& L& }" S. x$ }. x) u until <condition> loop
" \' b6 z6 [7 j" p) f; x% t <statement sequence2>;
# F4 m( q: I5 V7 P. s end;1 h; n5 X- F$ [% V7 D; z, \% f
(2) while <condition> loop, `/ J6 E* T! D8 ]& D$ L
<statement sequence1>;$ b. X6 Z- k9 A: s# @& W& i8 d+ w3 D
end;
6 c3 i& n) u8 p. _- l8 l2 @ (3) repeat ( d3 ~) e F8 d; C Q
<statement sequence1>;/ t: q- L. m5 t: j1 V0 N% U
until <condition>;
' _ ?. \# v: ?' B (4) for <condition> to <condition> loop
; z, Z6 L) |) x2 ? <statement sequence1>;
1 v7 r( [4 h9 j! u next;% t4 s+ u. S1 w! h; V+ F5 h
3中断语句
3 Q% v+ p$ z& s! E/ I2 ] waituntil <condition> prio <integer expression>;: y2 }& e& E8 d
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以上为常用的函数！
- r1 w5 c+ h1 }7 V4 G1 Y% ~还有很多，如有需要我把资料发到你邮箱里
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