|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句+ S' B3 k' u) V- m( v7 X
if <condition> then
! x% | J3 }4 Q E1 T <statement sequence1>;1 j: _' q# m* |5 L+ n9 j7 x, A
elseif <condition> then0 k( H, b( y2 \# U; w' t
<statement sequence2>;
3 S# J N( s( [0 m6 y% x" y' y else
0 E- r" e9 d1 w5 ]. r <statement sequence3>;
/ _( Q7 p( a' H0 }7 v7 l end;
0 F+ R- F7 I1 k" E' o如果分支比较多，用：: B- ] `5 s; M- e; }9 y
inspect <expression>! I7 |+ p5 @' k. w2 R& r
when <constant_list> then, z" M4 o) R: b9 R9 i0 G
<statement sequence1>;& j- J3 a. S7 T+ k1 ?, H$ Z
when <constant_list> then) l* z6 n! O. w! b8 B
<statement sequence2>;' `6 j! Q' t- t& f" ?
...) P7 Q) B( s, X6 I0 w; ~
else
h5 Q3 h3 @ e, C <statement sequence3>;
x& _. S: {& K6 ^2 L. I' K/ \end;
w# U1 a2 K* K7 k9 r
. X" C+ i8 M/ \1 Q7 P2循环语句% Q# z* P& x( x+ G# f/ q
(1) from <statement sequence1>% _$ L- ^# Y _; t+ \, z
until <condition> loop
# U1 s- K' F/ }( |/ E, D <statement sequence2>;$ C: u0 Y* ]1 v
end;
9 p$ v. y- N/ b1 D: k6 p (2) while <condition> loop' g/ _ v" x; c! Z
<statement sequence1>;1 r, h0 o& c% Z D* V% B
end;# v( w5 l0 D; `# _# C$ G# Y* r2 [$ j R
(3) repeat % U2 r" \& H. `
<statement sequence1>;
" j) r C) x( C' m1 u' H7 \ until <condition>;4 \( M4 X9 m( B
(4) for <condition> to <condition> loop
, l7 @5 t/ Q6 [" F& ] <statement sequence1>;
7 y! i- ?8 U6 v4 w next;
; O& c1 ?" H- N$ e6 Q/ T( @1 @! G3中断语句
+ e6 z$ }+ \3 Y% D ]/ R waituntil <condition> prio <integer expression>;" A5 Q' q6 I* D; U* T& t3 q. g3 p
: i; B. t& `) [3 Y0 q; U1 X
0 m7 X% `1 B$ n
以上为常用的函数！
5 B6 J' N" H4 \ a+ T- r- N( A5 Q还有很多，如有需要我把资料发到你邮箱里
" J N4 \$ m0 E
7 f( T0 q' X3 T# }) c* X+ j6 I% U! e/ }
* X) T& h. c. o/ W+ y6 t5 R1 g
; c# O1 h' n1 N. f, V8 v3 r/ g; D) E, O! J4 ]& E0 }
3 @) R+ @9 [& O9 u8 G0 D
; X, F1 e2 c: T, }
6 S k# I+ O; b3 \( Q, X
# Z2 t/ S& S* ]: T f. Y4 ? ' |, s) D; _, f& z
|
|
[复制链接]
