|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句: m8 R y# i/ l- x9 I! h# V4 p
if <condition> then8 o3 A' c- [" \3 D: M
<statement sequence1>;
+ @1 e( E1 g$ S# M c8 B elseif <condition> then
5 v' v: C. Q" C: ^) b <statement sequence2>;
' I/ ]! G' y4 B. b& V4 | |; R else " z( Y# |$ @+ v* E
<statement sequence3>;
5 ~% f: s+ u5 _* e% t2 [6 v. Z& }+ K* Q! f end;7 E2 W5 `0 ]% o+ A* H; u; u) b% I
如果分支比较多，用：4 H, F+ U Y& S2 U( V+ N+ c1 l
inspect <expression>
5 d# s& `: I1 Y# t# s. ^3 s9 n3 [7 D when <constant_list> then2 T$ p; g8 @$ b# p4 k( |! t; l
<statement sequence1>;. D6 o( I N! `( `+ O
when <constant_list> then+ H5 I7 P0 v; T. L* Y0 G! o% D
<statement sequence2>;6 {& V9 E0 K' J( v+ s0 i* |* v
...
( T) p; V* O% i! n2 x9 t else, {! m4 R6 [5 s* z) E
<statement sequence3>;
' T8 X2 |! @) ?' p' Uend;1 O+ B6 t V! a0 b. \" n( h
/ ~* E4 L: h/ a: \( Z. `& z' p: k( w
2循环语句
) L3 E" _5 f' C1 y& a; S5 v (1) from <statement sequence1>; t7 _- k4 M! g6 |* s/ m! X
until <condition> loop
9 A, C! r/ ?' H. o <statement sequence2>;# W7 w' N8 E& J! I% y
end;. Y' E3 R$ r1 ~
(2) while <condition> loop& w9 i; k; ^. i. M
<statement sequence1>;
+ q- J1 G* N* V5 i+ G end;) N# k# Y' s. v
(3) repeat i' R" g& g. j; U3 ~+ K/ _6 o
<statement sequence1>;* l2 P/ X' |; u2 C0 x- T
until <condition>;8 l O0 M2 P1 B- V( j# Z: M
(4) for <condition> to <condition> loop
* m5 `5 O( h/ K. ]( i <statement sequence1>;$ T+ \& D3 V; t) T* k
next;6 K5 h# I& j5 p7 }* ^) x2 ^
3中断语句
0 Y) o( K. V+ L# L, _& b9 E waituntil <condition> prio <integer expression>;2 e& {0 t; T& U) u1 |
7 v/ j& I% l3 `! [. b
: e4 h) F& T( z0 b6 A
以上为常用的函数！
0 s/ r6 R; Z2 e还有很多，如有需要我把资料发到你邮箱里
' s9 a! u2 a3 B! z$ ]* x
0 q% K: r. s+ j. K B
* d; @) B5 E& }( _3 f+ j/ R+ b! S9 ?/ a1 y4 I/ A. z8 D) _( A
X, G9 o- a% R0 u. ^3 o) w2 h; j) T4 H2 `: e2 N, ?) b% U0 b
; o0 c6 l: y3 o G! r( V r. Q" { M( R% c
3 J" s; b) T% W1 T0 {0 G) K% c
) E( p, S1 ]) ~" ^% P' }
|
|
[复制链接]
