|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句1 k2 ]( _9 m: y/ y9 @
if <condition> then; b) {, R& t9 r; D/ ?* q
<statement sequence1>;
0 T( o+ K( Q. @; k3 z elseif <condition> then
" C. L; r$ D. z$ N <statement sequence2>;0 ?" G* j7 O6 |6 E2 o: b6 z4 S
else
J* p3 H0 d! \" r <statement sequence3>;
! m6 b7 M( T$ z# D end; j% p& i3 L3 A: O$ l3 ^$ t2 Z3 m& x
如果分支比较多，用：
! T7 e+ X t8 L3 `# e inspect <expression>: l% z: X) i! w; z9 n
when <constant_list> then7 G' I1 }% q, Y
<statement sequence1>;
' v9 q9 W6 c0 f- {6 U when <constant_list> then
L) b ?- `5 F" a7 }" \ <statement sequence2>;2 s5 d' o/ P3 N" v/ A' R
...
+ Z. z: f2 ^8 H0 ^9 B |5 C else1 P, V: Y) a W: P% j3 i
<statement sequence3>;% R. `+ @( C' t
end;0 t7 e% o" C( w' U J
" J0 A% \1 i+ H/ N/ r) m1 F
2循环语句" L8 H4 Y0 O. R% f; g ?% t0 [
(1) from <statement sequence1>! c* ?( B2 n$ [$ t2 h
until <condition> loop* R n. ?' @4 C* p
<statement sequence2>;2 a& Y% o0 H7 s1 b, V
end;
4 y ^3 h v) ~) N, J; u (2) while <condition> loop
/ F0 ` r' s: d <statement sequence1>;
Z2 u2 Q7 H/ } E- |+ U7 Y end;
; f- g5 A! C5 N$ f% k' S2 g( A (3) repeat
1 ~* D5 K" d I) v <statement sequence1>;
7 i% E$ F1 A$ i' c. A9 X" O until <condition>;
6 b4 z" n2 a" v) _ @ (4) for <condition> to <condition> loop% X0 B @# z1 s, S% u3 W* D
<statement sequence1>;
/ v% @4 ]" W: r/ S1 D+ E: Z next;
7 G' V2 E- b9 F, Z0 n% }3中断语句
! Z& Z- I m) c$ O! U2 K% k" r9 ` waituntil <condition> prio <integer expression>;
4 e3 X. X G+ |$ E' n; U z
. ?5 @0 k6 K2 K0 R+ d# @& ]9 E# S9 _2 I+ {( f% N% w) S
以上为常用的函数！
$ z |6 T! y) |2 |还有很多，如有需要我把资料发到你邮箱里 2 o+ y+ o2 a: e) m0 C8 j
% J$ J& x: @* ]- ?
) z6 A2 l7 P# K' H; @* _
1 c: B: `; r* G( U# P7 u
2 a1 Q( J8 o" S
% ?% a) d( h0 P; \ M' c. k
( P' d7 i9 w8 i( V/ i) v2 V4 |8 ?5 ], i- _* U
9 l/ J* s4 x. c. X
( c1 W7 Y/ E: c$ }
( K* g' q! u' W2 b9 W# G& p |
|
[复制链接]
