|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
" [+ d: H. h1 d, F# m, { { if <condition> then/ ]. D. R7 y+ [0 e7 m
<statement sequence1>;
9 b& } x8 c* L elseif <condition> then1 A) |8 x% f0 J) s$ P
<statement sequence2>;4 B& Y |. X: m% Y1 N; k" [6 Q
else / ]4 @' |( y$ u: `
<statement sequence3>;4 I) I u* K. s* P/ ^# H
end;. H: V- |: R+ P: u+ O+ C
如果分支比较多，用：) [$ \5 n4 L9 v
inspect <expression>; }4 {; t. Z+ v: q( L
when <constant_list> then' D' h1 t- r' v* Q9 Q( O
<statement sequence1>;3 w) y, U* x* z+ O" l
when <constant_list> then
* N1 |( z/ M' l% p# F <statement sequence2>;
. P4 h2 z1 b! o ...
5 `3 S+ Z1 _+ O5 J else
0 l1 x. t: U; k/ O2 T) E <statement sequence3>;
" g4 H/ A- P6 lend;
7 e4 D) ^5 R6 u* U& x+ U. ~! |3 t/ y7 f9 O4 U, T4 r
2循环语句: j$ j* U$ b* D& ^. K4 q9 |
(1) from <statement sequence1>
$ k5 Q3 Y( P; h( y1 |2 ^0 I0 z until <condition> loop
& P; ?5 G. P& R/ g( l <statement sequence2>;% D9 q/ l3 F4 n+ G, G/ T; N
end;
$ S' w) m( `! F# p2 ? z, n2 U (2) while <condition> loop+ A+ [9 h2 }4 I J* j w; H
<statement sequence1>;7 \0 n0 e' Z, l; }' r" d
end;7 k( L; N8 P2 O9 u
(3) repeat # v0 U) e8 e+ {$ m+ S+ y0 m
<statement sequence1>;4 K4 ]3 p: A% \7 U
until <condition>;) O" ? p( }* c7 a/ |
(4) for <condition> to <condition> loop8 F4 o$ b* D+ q
<statement sequence1>;
" y3 H% `/ q+ C6 R( z z( n next;
) P5 L6 N. f9 m0 t( L3中断语句+ y8 Q% G2 v; ]# m' k+ |! Z
waituntil <condition> prio <integer expression>;
* [& | ]" ?1 p" W# @
! \# F5 ]5 }* `# @" L: B
1 k) c' s5 c7 A& M- Y以上为常用的函数！
1 v6 }3 T. C4 U+ X1 m. g还有很多，如有需要我把资料发到你邮箱里
3 C# N" y! a/ Y; J
( \( h4 a- g1 S" \
8 O6 Q6 B4 s/ b; w
2 o* ]( ~ K) Z! Y
& X5 g: S$ S9 u1 F# X
/ L4 Y6 r: l; `8 ]5 W$ q
- V1 S$ r0 A% J4 X$ j3 l2 C" ^2 L0 \7 B4 Y2 U" a1 e& T2 `5 q4 p7 I
8 G' e- U1 j' F2 E: E8 F7 w) u ?$ W; B8 Z Y1 s5 d
+ p' I+ {& m, B- F) y |
|
[复制链接]
