|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句; W- x; j$ ^" ]: ~
if <condition> then0 @ a5 F8 _* P; W! d3 H5 B
<statement sequence1>;' E, L. i: u) I; j8 K: k1 x% k! n
elseif <condition> then1 @, A9 g( t: D6 t, t# M
<statement sequence2>;
3 I1 V. R0 e! ?9 w' q5 Q7 w else
- s9 r x+ T4 n/ u3 ^ <statement sequence3>; j6 o8 _ u4 S0 z e2 ^0 L }$ s
end;
' u. }" ~9 X; z1 i: C7 `6 V如果分支比较多，用：
# @4 S! E1 ^8 J( O# a9 ^7 Z inspect <expression>
/ j0 Z+ I. y; M7 D5 v when <constant_list> then
; s# o% C* N, z( K% I9 p/ a <statement sequence1>;9 ^& {, Y2 p2 e8 L$ o. i
when <constant_list> then) d( C8 q1 i q5 J' V
<statement sequence2>;: z: f. _: b/ p; e( }' w! P1 P
...3 q. v9 u) C1 B0 f' V/ p
else7 a9 I% r) `7 a5 K
<statement sequence3>;
/ }5 m& O4 c5 E+ c! b' K/ A% yend;0 v- ~8 @: M' i
2 n/ c; z; j1 R" d. o C, r6 E
2循环语句
3 a- g- B3 U6 y; Z! X (1) from <statement sequence1>
" I* k/ K7 Z3 e: ~+ Q until <condition> loop/ d- `2 p5 i2 _( i
<statement sequence2>;
6 w7 X9 ^( F" u: m8 ^/ J end;
4 t# M" L) n6 D! R" ?6 c/ S (2) while <condition> loop
& Y$ o3 w: i! P4 b <statement sequence1>;- c4 ~. S1 ~# l7 ?; ^- U
end;
1 \+ P1 ~& V& @: b (3) repeat
& u1 L2 Y3 Q0 W' ~ T <statement sequence1>;
. {5 z, B" O2 z, @9 P+ i! l until <condition>; {' \ U1 K( {
(4) for <condition> to <condition> loop4 O4 f6 d- R3 j4 F3 l0 j; q9 b
<statement sequence1>;* E: _: q9 p# x2 M+ [- ?
next;
( j; W3 D( _7 K3中断语句) X0 P$ p W8 G8 _( h8 S
waituntil <condition> prio <integer expression>;1 E o5 c% [9 K7 @; g& \0 e
. g4 _1 @/ h% B b, d0 \* n' Q! B2 P
' n& e; w5 q2 }( f以上为常用的函数！
+ f9 } u0 f, e& e) b还有很多，如有需要我把资料发到你邮箱里
: f7 X* D; D& M2 [9 v; r, H& k/ n! I; K4 Y% D
$ I. M4 Y* ^; l- K# J
! Y7 V& f. U' |1 n5 t5 T* O( | ( k" h: E: |/ b% q# ?3 z
0 t6 G& z- i0 B5 [1 f
, w1 u: W+ c" q6 P$ S$ e+ F0 |
0 Y' r) q' F' p8 T1 ~1 c6 n
4 q6 m5 t2 K3 J/ R; w1 B9 G d# U0 @7 d6 u, d# H. C9 S
( a4 d, s) E/ ?8 R1 X7 l4 i
|
|
[复制链接]
