|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
8 d* N6 @2 D+ H! X5 c4 i if <condition> then
& u( P8 }+ d" J3 f9 w3 c3 M <statement sequence1>;
9 ^& V |2 L% n7 G* \ elseif <condition> then+ z+ ~6 a# E4 N5 q, B2 x& s
<statement sequence2>;
5 `/ ^0 f" K7 U6 w+ i1 T. A else 7 b* D/ i; \# {% p% U) j6 v' x
<statement sequence3>;
/ T, _, O4 j# e" h. h end;
; \7 F" ?; D( C$ f' n8 ^* t" W# u. V如果分支比较多，用：
! V+ b+ n) J. u3 a( m inspect <expression>
# f Z6 U2 z0 W/ t6 c0 x7 C when <constant_list> then
+ v7 N9 z4 m+ X' j* B. \ <statement sequence1>;5 E g& v6 V5 |5 D6 w M" L6 a
when <constant_list> then
+ y# u- X# I6 X( q0 Z! h <statement sequence2>;
" `- o" x/ @# H: M8 V9 H ...- Q7 c+ z* f! m4 O) x2 }2 @) c* G
else* B0 e! E! o9 U5 s! T6 l
<statement sequence3>;4 _# m1 A" s, {* z0 F: C! g
end; }2 p. Z3 I+ b. J4 i& A0 G
+ `( x3 a: E2 _; S. b8 o4 ^
2循环语句0 l" g p7 P3 V- d
(1) from <statement sequence1>7 Q& ?6 L5 @( K* z) a5 ^
until <condition> loop( N) v, }- C% Z0 k9 J: \
<statement sequence2>;
3 s6 w$ y! S8 _2 F' s end;
3 M# k- Q3 b/ [: m7 U4 ? (2) while <condition> loop" A( t' F8 e) E' o, i( x# }2 e
<statement sequence1>;/ ~! N( [. G' x& M
end;& b+ b4 Y6 r) P
(3) repeat
1 ^0 p. Y2 t! u$ |+ i5 N; p) b <statement sequence1>;' d& h( |& E9 G; w5 H. A2 o: W
until <condition>;3 r3 h4 ?3 z' I) n
(4) for <condition> to <condition> loop
& i8 ^8 y( v y <statement sequence1>;$ J( k, _: {6 S. B2 U5 F# S
next;4 h- u# f+ u, \5 a
3中断语句3 [) S* ^& c: D- d6 I! A ]( ?. q
waituntil <condition> prio <integer expression>;
: Q5 K: B0 X4 X8 l) l& f4 Q) E# P
* C0 j9 E2 E2 {: r: c$ L) \ ]! @ p+ ~. l$ A1 w/ `' b
以上为常用的函数！
8 `# e* k/ l( X- E$ ~还有很多，如有需要我把资料发到你邮箱里
$ M, l4 \9 m7 [+ ~( @$ o- e; \% Z+ F [$ v, Q$ b
, Q+ r& _& G7 V8 @8 `% Z* Q# @( ~# x
+ v3 L5 Q) s* {
Z5 n7 G9 s$ o) x7 p$ q3 o5 T5 C1 L M1 _* o7 A; N7 D W
4 l' _% X* n5 [* r, O
; @2 J! }; q( Y, ^4 z6 j7 _, I% W
1 Q1 g. G- ]: G/ p$ }4 Q" R: c
, H2 o5 W! Y# ?: U: U- | |
|
[复制链接]
