|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
S7 L- u. T* e b" ~4 L- } if <condition> then. M7 b3 l+ _! F
<statement sequence1>;0 r) |, u. v- |6 V. Y, o. M
elseif <condition> then9 ~- A! H) `0 ]* o1 o; U
<statement sequence2>;- }" C2 _8 Z; U0 T2 R
else
f# Q$ I1 z) ~+ M& R <statement sequence3>;
( H! o- v% Z$ q: @+ d2 l+ B end;9 o0 L; a/ u) v: `3 I% p% G
如果分支比较多,用:
$ I3 @( u: Z k. A, A9 v% O/ h2 l( \ inspect <expression>& }4 r" z, r( W, A
when <constant_list> then
$ ?$ T5 h9 q1 l. m7 k <statement sequence1>;
8 t" X- a8 i+ F" Y8 Z; @ when <constant_list> then# y4 ~- | S9 O/ e/ ?; |
<statement sequence2>;
( B% e. B* H, M6 m X: i" Z5 V ...
: o) _8 W! N- f4 ` else e3 `) U8 m E- b" g
<statement sequence3>;
& ^( F* b$ J0 Y8 tend;
% L* X0 O+ Y4 j& C
1 X1 R" a4 H8 n0 a; {6 Y! O9 B k4 ]2循环语句
$ K6 G' M' p" f- P+ u. P8 c# w9 T (1) from <statement sequence1>
' }/ ~* X: M& P3 O2 h" ~ until <condition> loop
# J4 X3 w+ Q6 T <statement sequence2>;- J& W2 M9 ?1 \8 t" G' g9 R% u
end;
, ]8 `$ n# R9 r* E- v4 x (2) while <condition> loop8 H5 ^- U1 ]& X M- z: [
<statement sequence1>;0 s, ^1 E( o$ p7 e' B
end;
" V) o5 o! H( o1 N/ Z3 w (3) repeat
3 S* d; G" R6 k! Q <statement sequence1>;
8 C1 z6 t0 k7 Y+ G2 E2 ~( { until <condition>;
/ V& L, r3 E: C (4) for <condition> to <condition> loop
. _: t- p* @: w+ ? <statement sequence1>;
8 h; x1 K6 i2 b" I next;
. [) X5 E8 G3 g; ` y3中断语句, Q) T8 O1 C' P( X: V/ q
waituntil <condition> prio <integer expression>;' N# }% S9 _' X$ j4 _) Z
/ Z5 [& a# C( J) S# q
9 c0 j' t# L. O @" ~9 F+ U# A( n
以上为常用的函数!9 i5 }' |- U2 |' F
还有很多,如有需要我把资料发到你邮箱里 ; u; }) T2 Q1 {, F# Y" E1 z
4 i1 g; h9 p6 N, r4 B3 m9 X2 T
0 p4 {3 T3 b( Y* d3 E# B+ ]
! |6 H( j1 i; [, e 1 R8 Z U; Y3 G) F1 ~8 `8 B* E
6 q- @' M' D% S2 m
9 E$ U7 i' o* h. d) F G7 I2 ^" I k& F
, \. J$ I6 `3 g" L, H) @% `
" e$ k/ ~& Z# r4 e8 [
6 q- `- j/ t8 J- \, m' t/ n |
|