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发表于 2012-11-13 08:48:12
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1判断语句1 _, y1 V8 H( k
if <condition> then2 ], Z; o+ @3 U* ]
<statement sequence1>;
6 m+ H+ c# l" e+ }- ], P, d elseif <condition> then8 i( J, e! a9 v2 C. Y B
<statement sequence2>;
" t c) J7 I9 |- w1 ]$ I9 f else
. w v' T* R: Q' D <statement sequence3>;8 v# c b5 k3 U
end;
. D: M% |4 ?! S% H3 j; ~如果分支比较多，用：+ ?9 n% G/ w( p& t
inspect <expression>
- J& n( c1 r3 W% N' L# V" I" o g when <constant_list> then
: M* d2 P9 q! I$ S7 i5 c0 D9 a <statement sequence1>;7 o N5 p+ u c; y& \# V% M- E
when <constant_list> then" W9 u6 Q! I9 |# W) e6 ^( g% G
<statement sequence2>;2 e/ I! m. y7 t
...
/ j) A3 y' ~; F3 g: O. m( y else
Q# H B# W- q) V4 Z6 F <statement sequence3>;7 ]: ~: C; n' A! X& S2 ^
end;
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2循环语句
& |" k- S/ l( @& { l. k; a (1) from <statement sequence1>) \- w) a) l( |5 q
until <condition> loop/ U3 m8 X6 b* H2 Z
<statement sequence2>;2 y5 h( p5 Y% a. q
end;
# u+ `# @1 \1 F+ Z' b- ^ (2) while <condition> loop' e' \3 m- J" K% m( n& f
<statement sequence1>;0 ^7 E9 N3 o& v# {$ W: F; f+ N# c+ s
end;: P) T( E3 @- J" |9 B
(3) repeat
0 a- w# B8 ]; @& ]2 n <statement sequence1>;; Z9 Y* I) h8 B' o$ I p8 Z0 W
until <condition>;
5 Q! ]5 w5 u* ~ (4) for <condition> to <condition> loop
. `0 e$ @7 u) p <statement sequence1>;
2 G# P$ S+ L9 u2 { ~ next;
; r5 \2 q+ p5 S; m: K& {3中断语句
- `3 r* ], O& l, C# \ waituntil <condition> prio <integer expression>;
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. R R/ g- w: S8 M9 Y+ y# H以上为常用的函数！
' m! t, O: F" G" G8 [3 l还有很多，如有需要我把资料发到你邮箱里 8 M" e6 N6 Q8 Z; H
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