|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句0 H- b: Z5 g7 w5 x# @: }2 D
if <condition> then
* j: ]7 }3 C' d <statement sequence1>;" H; ~9 A& f: k1 c
elseif <condition> then
/ i5 t0 p; b1 X& N <statement sequence2>;
# ]4 D: ~: ^# K5 j# p else . }% `" t! r3 D" z, [
<statement sequence3>; ~, A6 E) O4 V5 u
end;
3 b$ Y+ Z3 M' W4 I如果分支比较多，用：
, o# O+ m6 ^$ j3 y. Q inspect <expression>: }2 `, N8 Z+ @0 p8 O! d3 }
when <constant_list> then6 ?3 {9 H. O1 b- k& G. q% t* {
<statement sequence1>;
# s9 V- ~6 e5 v- v* u- B when <constant_list> then( i5 F) ?! j+ w9 Z- G5 m
<statement sequence2>;
# r( u+ _' [( v; b7 a& ]" t$ A8 ~: N ...
/ ?8 Y4 [2 u1 K else. D7 ^1 S8 T! K5 j8 Z1 C8 [
<statement sequence3>;
3 X: E Y2 X4 {end;
* U) G) a1 z. E9 D6 s7 j; z2 j- H8 \9 d/ r# D/ h5 y8 U
2循环语句% T0 E( ? e8 ]' ]* I# u" p
(1) from <statement sequence1>4 [4 G- z f/ q
until <condition> loop" Z2 o5 ^- q6 j3 W) z
<statement sequence2>;) c+ \/ q$ |" V9 e1 ]8 a4 o/ K
end;
. V' W6 J3 Y3 c& w& [; V (2) while <condition> loop
, [/ \) J( z8 B8 \ <statement sequence1>;7 g8 o L. M n Y
end;& M/ Y; J. S4 l1 ~* v
(3) repeat & G& r/ B/ q% `0 }. p7 o
<statement sequence1>;8 [1 ^- v$ J$ E9 q1 w$ f
until <condition>;/ n. C" z5 p% R: r; K( N0 c
(4) for <condition> to <condition> loop
. F, w. ?3 w/ l* s+ |/ s( I <statement sequence1>;' w' K+ o7 q/ G8 K
next;
$ I; F; C! d7 C/ N3中断语句. G- r+ l5 F+ R S
waituntil <condition> prio <integer expression>;
8 Y c0 s+ _: J$ O" T
5 K, k6 I9 C6 f# G: x0 z Q1 s( q% }* w/ d4 {/ L
以上为常用的函数！
( m& T) S* F$ D$ H& y [% b还有很多，如有需要我把资料发到你邮箱里 6 i6 n$ `9 M8 @; P
) C. ?. v3 S. l
7 e6 @0 r% v2 e6 P; i7 Z
% n5 a5 j7 e3 Y4 Y, i * v' Y% I; I0 v; S' l
' [2 x9 d* G7 o/ e& P# X
+ M" g$ I8 \2 U2 X
& y1 H9 Q6 o5 |9 z. b4 J+ y/ d
. b# K5 \/ g d q' ^0 v
9 d. x" r" Y. O" e { 0 U& a6 U6 H' ?8 w9 ^
|
|
[复制链接]
