|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句* z$ c; k" v* {
if <condition> then
( J X" a; q6 o" B0 m2 E <statement sequence1>;
+ ] H- o2 k8 E _9 _- ]: v8 f* v P elseif <condition> then6 J4 s( D$ w% w$ v: f
<statement sequence2>;' A i8 h" b* r; B# f% x
else ; }6 d$ U" M* Q' K- j9 ~
<statement sequence3>;/ w5 p. n( c4 p5 R" v
end;
2 x) L5 @- Y# L4 H如果分支比较多，用：/ k5 ^9 v5 ^/ P& w) x4 d7 }9 i
inspect <expression>! Y& u& N' ~' r3 z
when <constant_list> then
7 ]% i$ k: ]- ?6 ^ <statement sequence1>;7 N: t2 I6 T' |" b7 G2 T
when <constant_list> then5 Y- [1 t' M3 M% u- H4 g3 S+ e" E: E
<statement sequence2>;
# t' m2 e5 o! p- R Z ...5 g6 W% ]% i4 r5 b. ? e/ }5 m
else; l3 M, _2 b+ }) v
<statement sequence3>;6 b: `- J3 }* p H! o# m
end;
2 P. F4 U8 X' [ S& Z! B: ^ w. T4 N F1 c( x
2循环语句
. |, b# T7 F4 }+ a: [- M) q (1) from <statement sequence1>' o5 H$ y! L1 C8 O, V( H7 g
until <condition> loop/ a: G+ K, Z" d/ F1 Y, O
<statement sequence2>;
) k/ U2 i+ E1 ?4 `1 q end;
: J3 l& O$ L" T (2) while <condition> loop
) @# K8 a+ _' ]) a" [ <statement sequence1>;: b7 _+ P* H2 _) ?! W
end;
8 w6 T, w4 _9 D. F0 I' \3 F; K (3) repeat
Z! l N5 ?8 A9 b% K0 h: x. c8 r <statement sequence1>;
* k" c s8 L3 U/ C8 P1 N until <condition>;- H7 ]& W" k2 D$ s" ^! i7 w9 {
(4) for <condition> to <condition> loop
" |: X Z; U" Y! | p <statement sequence1>;% j+ T6 G1 l, i* o% A- r
next;
6 A; Z$ T: u, j/ b3中断语句7 Y0 Q9 `7 y$ `' C
waituntil <condition> prio <integer expression>;; p9 @0 {: K' k9 X" K2 S
3 A+ J; Y/ O& v0 P
) O1 C' M, ^, I9 \$ Y% P以上为常用的函数！+ x, O% X3 v6 ^3 Z- r5 e
还有很多，如有需要我把资料发到你邮箱里 . L# }( G, l/ W; f9 F! H2 ^% D& G I& h
' ^; `; Y& G: V$ E# \
2 t0 p4 d- Z3 k# F0 I
9 N! H' ?( y# u% H/ x
* I3 I8 q7 |: m3 M, U
. \. Q* M( K1 }$ g" M
/ i; P$ t _* g- _* C% B
6 T% Y F3 [6 Y0 `
% J1 A9 c3 f2 |" [
! n; v% L6 ]3 Q& j; p7 Q) c
; a; S4 d) }# H+ g ~, l/ k" Y+ B |
|
[复制链接]
