|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句* _4 G+ K2 J/ w( l
if <condition> then
& z2 A9 q/ w- C) G0 n- `0 B) M6 p9 d( G <statement sequence1>;( k/ F2 q+ }. S0 b$ D
elseif <condition> then
0 f$ W3 U' }) B3 g( R- E _ <statement sequence2>;2 U, s# f- M3 ^% a5 B
else V% h0 |0 s) d) x) L6 T
<statement sequence3>;
! ~) O; K2 q) G u end;
8 q$ T; L# G' S. q! I5 f/ I如果分支比较多，用：4 ~" C8 |( x. j( I( T" N
inspect <expression>) n& x; | o1 R7 v
when <constant_list> then
# Z( ?# y' v+ t! C4 k" Z <statement sequence1>;
% k/ k Y& D' M1 W when <constant_list> then6 r9 M k2 O* j f' x" G# t" H
<statement sequence2>;
& J0 [2 T7 b0 B( A ...
! u* G$ W& o Q' x- D else
. \- G8 h) ~8 ^4 l; k <statement sequence3>;
# X5 u7 B' z' p3 C9 i9 E' \4 S* nend;
& ^9 C, P5 S7 x) z8 \; P" `7 K: K3 _* `8 `
2循环语句- j9 L2 H2 _0 \5 `
(1) from <statement sequence1>
, e, N& ]. ~# i until <condition> loop
0 }" C8 y5 V+ | <statement sequence2>;
& B% x+ G: U& O9 o+ U: I( H3 d% x/ W end;
. r9 \$ v. m0 [% e (2) while <condition> loop
% l2 k3 m4 F: J9 e <statement sequence1>;5 _& i; D, M3 e
end;
( n0 R2 ? W" _ \ `' `% X (3) repeat
& R) m9 l( J0 i+ I7 e! w <statement sequence1>;# e/ w; ^' R' s) T2 S6 d* |- ^4 z8 P
until <condition>;7 A2 \+ ]; w4 j2 _/ h7 m& ^
(4) for <condition> to <condition> loop
S( p6 h! w) c1 m, h <statement sequence1>;
, C6 n# O& T6 h4 p7 n next;
2 `2 \5 Z& C! \& q- p0 @3中断语句
( ^% u4 Z( g5 r( u: N0 c waituntil <condition> prio <integer expression>;" Q, g9 X" G* g) B$ f _, G
* G& H1 |, z% m, Q+ ^' T' K, n
& W- l! S0 ~& O7 l* m+ _以上为常用的函数！9 C9 L1 S; k2 v" y* d3 N' G
还有很多，如有需要我把资料发到你邮箱里 " p) X# t0 _1 k! C
4 d- i; r* o7 F: Y) @; D" P5 W& Z3 E; ?8 Z9 j3 m
6 o; p4 X0 v; `- x6 O4 n W
& w# E- m- c t. b# C. E( R
# ?* a8 P5 @' ^5 {: U: U
& d% m' y9 m; P, _' T8 L; V* @+ N$ `
0 o) t" |% D, d, Z6 \! u
6 b R* e9 g! ] # p6 n5 w; M# v8 G y# |# W6 d
|
|
[复制链接]
