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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
6 U/ ?! u9 q9 Y# s if <condition> then
* h6 F; V9 l% x& `1 ^$ g3 O% y <statement sequence1>; H l5 W( }$ Q/ x4 W2 P
elseif <condition> then
) d* y* f: ?1 V, J' p <statement sequence2>;
[" ^4 n! b' h% } else * d1 w& N8 `9 Z& `9 o: ]
<statement sequence3>;! X2 e# F- F4 h2 H: Z4 C8 A
end;
% v* B$ F4 e0 y o7 I如果分支比较多，用：/ I, L! q# H# b/ z& F
inspect <expression>
/ W5 a0 T: _ l7 t6 L when <constant_list> then
3 d) k1 o | t2 C1 A <statement sequence1>;
( r8 a! A7 k( Z when <constant_list> then: h- G3 R/ C' {7 y
<statement sequence2>;; C8 I$ T* ]# t/ I$ Q! Z P: \; V
...6 u/ q* H6 v, r2 i4 R1 c
else
: b# R, T! M6 c1 G; f% z1 X <statement sequence3>;
/ Y$ W( ? x7 U+ q+ h6 iend;
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2循环语句
9 ]) c* x$ X n (1) from <statement sequence1>4 x) j* k% G! M
until <condition> loop
8 a, @$ [3 m1 T( g+ o8 w <statement sequence2>;
! n, z1 U5 p/ @% A' o" `0 h end;
4 B+ B' P7 b5 g+ ]1 G+ j. i (2) while <condition> loop+ y( z% g2 P2 ^; R: p# d% A
<statement sequence1>;" t" C' j$ o( i
end;
; J6 y% _! b1 q (3) repeat 8 R+ I0 u( t2 Q: l9 g6 ]
<statement sequence1>;; _& T9 `5 W5 k5 V
until <condition>;
! Z: y" g- Y4 W+ [, ~8 p3 X+ K( { (4) for <condition> to <condition> loop% \" q3 H. n h% u" t
<statement sequence1>;( e# w& j9 A* _+ u8 o! m; |
next;
6 I$ }, i$ C/ T2 A3中断语句
& s2 E1 W) B& V0 H* t4 J1 l- S5 I waituntil <condition> prio <integer expression>;
: q3 d9 e8 x* X* f2 ]
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以上为常用的函数！
) O- Q: ]6 a* ^, F y! \还有很多，如有需要我把资料发到你邮箱里 # i/ I( p: B8 U+ t2 D6 H
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