|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
2 k& `$ O" e+ Z if <condition> then
1 Q( K4 X/ P# P" }& P' q4 x. Q <statement sequence1>;3 @$ \4 y+ \ a
elseif <condition> then2 B% w0 \* d+ X" U" R2 C6 G
<statement sequence2>;$ |4 ^7 r! {! c$ W, V1 Q: L5 q/ e
else
- T# f9 c8 y! b <statement sequence3>;& Q! G% R; z6 c: N
end;. [2 t4 Q) P: P/ |5 v; A
如果分支比较多，用：
# w3 }% c3 y' E) j4 i3 s' [ inspect <expression>
3 w' w2 a9 Q/ b& _# l when <constant_list> then+ A7 F6 N, G* Z- N) f6 h2 @# n
<statement sequence1>;" H1 }% w' L* t$ Y$ c
when <constant_list> then% n9 |" I% G g! V( {
<statement sequence2>;0 Y' e+ o9 z) J+ G
...+ h3 P Z; J9 G! f4 Q
else" p* [4 b& q* S: r9 Q
<statement sequence3>;1 {2 S2 ^1 R# e4 \
end;6 A9 Y( A( c& }) n2 P) D
! y! H/ d, w0 {/ d6 p/ n6 }
2循环语句
2 f$ |" j5 z2 k9 d (1) from <statement sequence1>
6 ?" X! D- u: ^; c% M7 @ until <condition> loop
/ \- w* N; p: e <statement sequence2>;8 C y( N6 K4 i) u v! ^
end;
; ~; }+ A5 r9 f) }8 D; |- C (2) while <condition> loop3 K7 T! {/ L* ]
<statement sequence1>;
8 \2 G+ Z4 z, ]4 m, c& |0 x end;* v. y/ u3 q6 P. p5 n0 T
(3) repeat # K, G/ Y1 X" j2 _
<statement sequence1>;
# ?1 h, g0 M! h$ V9 d6 C until <condition>;
3 A* v( T L; D7 c/ q% u (4) for <condition> to <condition> loop# |: J5 e$ W0 @, U; O
<statement sequence1>;( g1 P. B* O# G! {2 ?# V
next;- W8 f2 L' r% c3 b/ {9 p5 a, b
3中断语句
* J2 i: l3 W8 j% S2 c waituntil <condition> prio <integer expression>;2 t& N: \! E, h1 W1 W% B Y7 v
3 {- c( _ V- @3 C+ H4 b6 s0 ~/ c# W
以上为常用的函数！" |" M7 m" S& a7 ?
还有很多，如有需要我把资料发到你邮箱里
6 R+ y+ g" S8 g' P+ a2 i9 y$ Y3 W0 t
; u& w1 O5 `5 q3 n1 e; E, `( P+ D" A& Z* _2 R
( }( J8 y2 o; l* u
, G" f2 S% C$ f
) {4 G: ?. u, I1 m4 v" d
$ a5 Z! i' N; x# o% J" ?2 Y/ c5 B. s2 G& x9 O
( O( k8 o9 c+ [( z1 t |4 ~' D/ Z9 C- _! U9 T* m4 m
+ t) u- Z4 X9 p; b4 @ |
|
[复制链接]
