|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
/ X7 `( n, z0 ]$ r+ U% F- U if <condition> then' Z9 y$ O+ M3 y' {+ |6 Z0 C7 h% \
<statement sequence1>;- b7 v7 }% O0 A5 G; {/ U
elseif <condition> then* S3 K5 d" {( U
<statement sequence2>;
6 D' u6 p! O5 `4 N& ]+ L* P3 D else
. j$ x& i3 d9 d2 E/ m <statement sequence3>;
9 D9 t# G& u. k7 u end;
0 t" z) Z- w; d8 ]) U如果分支比较多，用：* r! b k+ V" m+ r% \6 G
inspect <expression>& Z, \$ R; z6 `4 G
when <constant_list> then- g; G v/ [8 X$ j5 D
<statement sequence1>;
) Y% {& H; G* G1 Z8 K5 z5 ~ when <constant_list> then
3 q% s. m% ~6 L# U) ?0 O <statement sequence2>;, T2 ~0 f9 A2 a' Y% `
...& E/ m% B/ H2 h* Y$ X: h8 ^3 q ^1 m
else
5 j; S# f1 T; T! `* L <statement sequence3>;3 u2 s$ J7 L( X! D
end;& \# b# P8 w( i; m! _
& F& r6 e' m: m8 P3 g* J$ @
2循环语句
b9 U* E' X7 R) E# N9 X (1) from <statement sequence1>! ?9 g: E v: S7 A6 H1 _! }
until <condition> loop4 ^5 G0 r. x9 {5 Z$ l, x
<statement sequence2>;
+ S7 @5 B+ E; `% Z end;# `6 I4 A3 \+ K7 `
(2) while <condition> loop
6 |5 ]/ Q& A1 ? <statement sequence1>;
7 f- J8 G3 _; `; [3 q; d% n end;7 g6 c' W/ W* Q3 @! Q
(3) repeat ! P8 m: H" M0 }/ i/ \
<statement sequence1>;0 D- e" Z4 Q- Q& K% L7 v# }
until <condition>;
& I2 A" S/ H g) }" R' U8 ?* z (4) for <condition> to <condition> loop, U) C4 X; T' t9 Y1 w$ L/ ~3 [
<statement sequence1>;5 A% i/ c% B# u$ v
next;
9 e1 T) w. `! x: B3中断语句
' U6 U3 ?0 L& }& } waituntil <condition> prio <integer expression>;
/ W2 d/ H- C9 O* Y$ A8 A/ V6 H# |" f$ z, |
* t' J! j9 k( h G7 Q' F' p
/ M0 B# c/ Z4 H' b! J1 M以上为常用的函数！% z! Z: f7 y+ i' x# B5 ^
还有很多，如有需要我把资料发到你邮箱里 : U9 }4 o4 R: D6 {( p
% q0 J2 V; B% j g- y. I, [$ `$ ~' X" p
8 b& P; r$ s# \6 g' ]
& P: K8 k+ {! I9 \. {- [
8 G" c r. Z. K) q
5 l7 I: v J& b3 ^' g4 v; s* r- B: i( |$ e1 E6 [# q6 }
1 l5 q& `/ m! \( s; T7 t! s
* [. N- Q! Y8 H3 N
2 g( ?8 \1 q3 |$ V H2 x! p! k! ~ |
|
[复制链接]
