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发表于 2012-11-13 08:48:12
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1判断语句7 M% n0 H: ~( @- R
if <condition> then
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; d4 s2 j5 n- R" J. I elseif <condition> then! J. R% M8 p8 m8 Q( y! F
<statement sequence2>;
- g0 ?3 b, }) ~0 L: D' o else
% G; `; m5 m; ]. b$ f { <statement sequence3>;% J& I J+ Q, x- Y6 w0 e9 z
end;
% h# v8 W" y. {- [' \. @3 x如果分支比较多，用：
5 V9 Y L/ q( p' r' t inspect <expression>4 E1 S. ?# F+ S! n
when <constant_list> then9 U" T& z5 o- N2 n4 e
<statement sequence1>;2 r/ z! R, Y5 {$ i
when <constant_list> then
; h1 h# X" W: p <statement sequence2>;
+ M4 J$ k: q/ L* |" j ...
]3 o' J' x( i! ` else
+ m+ {1 r4 |) H+ m. i9 c <statement sequence3>;4 u6 r9 R `' E
end;
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2循环语句, `' P/ x8 W* z a& [ @. C1 O7 ]* C
(1) from <statement sequence1>
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<statement sequence2>;
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(2) while <condition> loop
& [- }" p# h; @ <statement sequence1>;2 N* x( s$ v5 A. N! O! C, I
end;
3 e$ @) y. ]2 o! _ (3) repeat
& m! x4 h8 h5 A <statement sequence1>;4 P( k I# s* C. _. U( m4 ]
until <condition>;, N9 L4 S) e! D+ D# C5 E
(4) for <condition> to <condition> loop4 X$ a3 f: l% d
<statement sequence1>;! N! e, L( a' l0 F1 ?+ ~4 I
next;5 A8 s& d; \$ l3 Y4 R
3中断语句7 X. p- q) W; u3 w% w% G
waituntil <condition> prio <integer expression>;
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以上为常用的函数！) o9 j$ i: U; X5 O* O$ G
还有很多，如有需要我把资料发到你邮箱里
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