|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
2 F' d, f& c# B% c- q& c# q5 v if <condition> then1 s% w4 m" n- A5 R. [4 A: _0 P
<statement sequence1>;
3 d6 I' x- g$ u- A- N+ i elseif <condition> then
: m6 H' _+ `2 x$ t, J) N <statement sequence2>;8 T5 `2 J% H9 a( a* k* w! y" p
else ! n6 a! ?4 X, L* G* T8 u
<statement sequence3>;% B0 q6 }7 z/ C: Z, Y7 a7 G+ }6 {
end;
T9 T1 f3 R' d" t如果分支比较多，用：
) R" Z, p1 Q* b: a inspect <expression>
/ {1 ^1 w* j, G* \ c' I/ T when <constant_list> then0 }9 ?6 L/ c5 X4 Q7 S( T
<statement sequence1>;3 f; y- V6 K1 M0 m3 g
when <constant_list> then$ \% X. N4 L4 u0 @3 W5 x! H9 H9 m* I5 w
<statement sequence2>; p1 K* m9 O2 _4 c) P4 |
...
: l; H& F' @6 G8 i else3 p0 `1 i6 v8 Z/ u. Q
<statement sequence3>;
7 Q4 k: S# X( lend;( D$ C% v9 \# c1 W5 _1 f- j* `7 D& Q7 l
* q+ D/ _# Y: H+ t) Y* p2循环语句
, ?$ J8 B+ L( u (1) from <statement sequence1>/ b4 v+ z$ {, ^ g
until <condition> loop# [3 d- p* \$ [$ w8 `; O
<statement sequence2>;) z* n3 x% L! U7 ^& {0 g1 S
end;
- R7 R: Q9 N. a: W" y1 ~2 E (2) while <condition> loop; C' C8 J, y9 Q
<statement sequence1>;8 h. z* K/ C- [3 K; p2 @% ^
end;9 T: l& O9 i. p3 B1 [- i
(3) repeat 6 J/ v# v8 l8 }! t
<statement sequence1>;
7 _0 ]: O' f% z# J until <condition>;# W% ?/ G7 {& g0 A) ]
(4) for <condition> to <condition> loop
0 k# \* l" e: } <statement sequence1>;
- i3 g0 y; A D7 l& r next;
6 Q$ f' a2 K: E' \* M' L0 h3中断语句5 w3 j# w: C2 P
waituntil <condition> prio <integer expression>;; o/ |5 }8 b" l; q7 `4 p9 i
$ E4 w) C! c4 F
9 \5 M8 G. I6 d" {2 z$ b' V. x6 K以上为常用的函数！. P$ K( ?- F& h: M
还有很多，如有需要我把资料发到你邮箱里
$ ~: D, V! {7 }3 x
9 | J& H) |/ Z0 v G) M6 O; D* n! ~& ~$ H% w ^0 F
: O5 j \ ^: ]3 Z$ B& L0 x
7 s3 \1 X4 b5 k5 Y/ J% n; I; s4 e C2 L% L
5 ^! r+ [* d/ x x( |5 v, A7 w
5 @& T4 x% f4 c( l
, ]8 A& t/ S+ }; u) {
# X* E* W( r- U, d, _" L6 @
) E3 ^) L% Y! b% @, j8 T |
|
[复制链接]
