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发表于 2012-11-13 08:48:12
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1判断语句
4 Q; h3 ]; K8 R, b* v' M* n1 n1 ]1 F if <condition> then
8 S. u4 W( A5 b <statement sequence1>;! G. S O: C. y2 Z- m2 l6 S
elseif <condition> then- f; {" c! M, @* A g& `" f( C! t; B
<statement sequence2>;, P+ C0 ?' K% }4 s" M: A" w
else 3 e; k1 u" i1 c$ p7 q
<statement sequence3>;
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如果分支比较多，用：
/ W, N! i, U' n, C4 T inspect <expression>
2 Z7 |0 T6 ^1 D. ~3 ^ when <constant_list> then5 m2 f a' K+ i( |
<statement sequence1>;& k+ }, j# _" E
when <constant_list> then! O7 E+ K! e- ]8 f# J6 R
<statement sequence2>;
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else
" Z6 z& z/ j& b7 u& S' ~5 G2 o$ ^" e <statement sequence3>;& f7 O, }0 |" s* W( ?
end;
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2循环语句7 }; h# Q# ]2 M' ^7 P
(1) from <statement sequence1>& O) G$ `) W" R: D3 d9 p
until <condition> loop% x6 x8 d V' f' H4 A
<statement sequence2>;4 Q8 E5 R1 g+ C
end;* l" T& |: m8 n; _
(2) while <condition> loop
2 G: i0 P, V" c" i" k9 L <statement sequence1>;/ O7 A7 K! @- {' n9 t# F+ _
end;
+ X- i5 ^$ |9 S" Q (3) repeat
* n y" z) Z% a# Y; z, l <statement sequence1>;5 Q0 o l8 U( A2 S
until <condition>;4 A( I! s( y* z J. t" ~
(4) for <condition> to <condition> loop0 H6 q2 e3 B1 v
<statement sequence1>;* F% C$ F+ m+ ~( H5 u6 X9 p6 r
next; ^3 J2 ^# N; S: A
3中断语句" n+ Q8 V7 h' Y! K( \, h
waituntil <condition> prio <integer expression>;
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以上为常用的函数！) p5 x& p' |0 g) m; C
还有很多，如有需要我把资料发到你邮箱里
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