|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
9 J, X9 f1 C" K3 |$ r if <condition> then
! [1 h- }) E+ B9 y! A <statement sequence1>;( O% |# u5 u o3 i. @
elseif <condition> then) u; S9 I1 c! B, L
<statement sequence2>;8 h& S `/ J7 d
else - Z1 ^6 j( w, o
<statement sequence3>;
8 p- p9 `* Y1 R; U' B end;+ [2 n d1 ]9 K0 Q% ?8 N1 O8 P( w
如果分支比较多，用：
! G, e$ ?. G' u+ }- s9 A7 f inspect <expression>
( u+ }5 g8 C0 S. c5 T/ {+ q when <constant_list> then' ?: b, W, r) k! T; z
<statement sequence1>;
+ o" k' _+ X8 l% c1 r3 H when <constant_list> then: L$ ~9 D3 O8 b* D
<statement sequence2>;% E* _$ ~7 C) c7 z% U9 H+ I# w. a
...' a/ A$ @9 _! Q+ M9 X
else
\& l# Z$ B* t4 d! V6 u. S <statement sequence3>;
6 @+ q& a* X i$ f& N P Lend;9 C( F1 @, L7 L% `, b0 Y
" D% c) Z" J& Y* d: q, B- N2循环语句$ x1 V- h, T5 {* p4 e
(1) from <statement sequence1>4 P$ i) E: j3 q( r! R1 d. H# {
until <condition> loop
+ I5 V9 p/ J) r$ F <statement sequence2>;$ S2 x( @) |* K+ I! X+ T! c
end;; _& |2 |0 T+ O( F0 ?# }
(2) while <condition> loop
9 }) V) j1 R7 f/ P% A$ Q- I <statement sequence1>;
7 X: r: D& s* z# E2 I2 S end;
+ d0 | N \! ?, m5 N9 S, L. q _ (3) repeat
0 z8 L% V5 G* n <statement sequence1>;
# m9 h5 D, `4 _ until <condition>;
: a/ G- v# [6 w7 T' I g (4) for <condition> to <condition> loop
- u9 C* S$ Z& i. A5 }. a# x' o- _ <statement sequence1>;
# u6 N: t- S( n+ S next;
3 M; P3 w% ^) R5 z3中断语句
6 m y# r, j4 F; i9 J" X waituntil <condition> prio <integer expression>;% ?3 R* ^9 ^, O4 }/ o% i+ z
2 X0 R' U, `5 r1 ]" I
. G2 a+ Y# ]/ i, f4 M& {以上为常用的函数！
$ I6 `3 `2 Q5 F还有很多，如有需要我把资料发到你邮箱里
/ u# R+ [7 h8 m3 G# Z
- ?* D7 n) c6 ^% ^( N. ^* @, l1 p8 q7 o4 U: @% I
8 z, Z; W) N7 {8 k) l
. H$ }" U$ ~/ u# Z. y. a* y
9 d5 V0 V3 v% I e8 Y# j: o9 b0 c* R7 t
. N: F/ @+ ]9 A5 L @! `
1 F( a V/ e v
9 J0 [: Z0 l1 |$ d+ y/ I6 F2 J % C s9 \% O: p, s# }
|
|
[复制链接]
