|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句; p5 h& W! }" E5 Z e
if <condition> then
! v9 z: \% m( i, T- ~: K <statement sequence1>;' `' a" Q' d- U$ ]0 P0 R* |
elseif <condition> then' b. _, w" h9 {9 B8 \& F; ~, ^
<statement sequence2>;$ ?% Q5 r+ {! u- `
else
* k0 i/ |" `, ^7 k n! h1 X <statement sequence3>;
" H4 @3 L) G( x o( H end;. d0 d- t$ @9 k! |
如果分支比较多，用：5 N( Q# v" @' O0 v( `
inspect <expression>
& c! l% O5 L% S when <constant_list> then1 N* o: D- b4 n1 v7 ~( X. {) m
<statement sequence1>;0 w M# s2 {3 m; I3 j( X- E
when <constant_list> then
$ i% B5 T4 v: [& p7 Z <statement sequence2>;0 A5 C9 f! o6 E% O- h, s
..." F& e2 y0 i8 m a2 [0 T2 l
else
2 o- O6 \( b2 ?0 r8 P- C <statement sequence3>;
8 s4 y- B1 F! A( k) A$ Kend;
8 h6 L& r; M3 i" P7 X+ {" t% T- @0 H% v8 f7 @8 K
2循环语句
7 ~# G# @3 H9 t* M7 n8 K7 t! m9 h (1) from <statement sequence1>
& L" w& C6 w- L% c* \ until <condition> loop9 n1 k$ T, x: `3 O' `2 b7 h
<statement sequence2>;
+ D8 Z$ L: q4 n& u4 {0 V F end;; }7 k, f6 X; R2 [
(2) while <condition> loop, N4 u/ b0 X9 x" j
<statement sequence1>; ^2 F; X: s- D# M2 @ G4 P5 G( {
end;
' f% A u( a, W (3) repeat : m4 o# n l* h" D e D
<statement sequence1>;' B/ F2 x# u( t
until <condition>;0 n+ F8 k* w0 q9 r2 c' `3 F( r5 b
(4) for <condition> to <condition> loop! P: k- m/ ^5 E, P
<statement sequence1>;% ^& n* e8 d7 v; S
next;
5 x; L- Z/ U1 `# e8 d& G3中断语句
# K2 \' f1 r* z/ L2 H2 t waituntil <condition> prio <integer expression>;& D/ i# [) N, F, x* Y& M: Q
# ~6 L: ^$ O% `* r6 U% {% k! b
以上为常用的函数！8 d& a* W" U; e* h0 f& H8 T: K
还有很多，如有需要我把资料发到你邮箱里
! i, c% Q: W4 j; y
, Z. @: ]7 b7 G( [5 v. ?* y% i$ x( v! }3 H' E' V
& I# |' N. H) F% G0 \5 b % r+ t) j/ `! ^
' J1 \ W" j* Y1 H8 W( T9 P% Y
& z/ v; D/ |6 P7 ~& l
9 T/ y) O: f. ^! @$ E8 B# J
% C% g- ^4 q' L/ I, b" i
; R' g: I [; o5 t! E
! N: O2 ^/ Q5 _- U# X7 g! i* p
|
|
[复制链接]
