|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句3 c$ Y$ ^* |1 a. W
if <condition> then
- J3 l! [ g2 C9 W: a& ^$ O! o3 h <statement sequence1>;
+ {, W/ e* ]+ X1 G( Y elseif <condition> then
7 ?+ A0 x4 G1 e, @0 ]) A <statement sequence2>;
0 R( u8 U7 a7 k- x5 S# L# i else " w% K3 K' K- L0 r1 N
<statement sequence3>;
5 F3 r1 ~5 g: J! z end;
% F) M, c: r) c" i如果分支比较多，用： x' O$ P" ]7 C5 r2 `
inspect <expression>) b/ j9 q8 T9 W
when <constant_list> then
2 ?/ x! Y; A# q7 y <statement sequence1>;; _* k" h& f/ \5 E) B7 j
when <constant_list> then8 D, f+ a9 I! u. s
<statement sequence2>;
% k7 `- T% B5 z; n! z# b ...& T+ t3 q7 V# f6 K9 h1 ]6 @# o
else4 n7 q8 q% ^# B* }3 r
<statement sequence3>;( t5 S' f+ T/ a5 r& `, A9 q; ]9 ~
end;9 j. f" G2 W& `" m8 \ n
" L- c4 `% s$ d5 a0 ]
2循环语句
( E6 M* f" s5 J- ]( q1 U3 F+ T (1) from <statement sequence1>
" W) h6 l6 \$ ` M* T* h) M until <condition> loop
6 m+ U. z6 C. J- Z6 X! o <statement sequence2>;
. R0 Z! Y) ~" K" v7 F end;
9 M; Y% J' y$ y (2) while <condition> loop
/ w/ V) I0 M2 s" o <statement sequence1>;$ t6 D% H* B% c7 ~ A) m
end;! X+ i7 e: \/ G- d
(3) repeat ( j( Y; V% Y( w& T" a
<statement sequence1>;, J T6 |8 c) H) }& w
until <condition>;
! k" c8 g0 d4 R, k (4) for <condition> to <condition> loop
2 P0 O0 P+ a+ w+ q7 } <statement sequence1>;
9 V, d/ [ N- z1 Q next;
Z) z5 C# ~8 b* m1 w( F) B4 ~3中断语句
9 |2 {1 g0 [8 ]1 l. O% a waituntil <condition> prio <integer expression>;
, L4 p! _8 i: w6 V5 m9 K" N8 ?8 a9 K" @0 n k
+ b- j+ T6 v9 Y1 Y以上为常用的函数！; i4 i& ]9 ~) p
还有很多，如有需要我把资料发到你邮箱里 ( t0 b1 [" ?; Y2 J2 C& j( w4 t0 j
! X; D- m/ }* v/ W% T
+ V* |8 M/ z& J2 i/ B
9 s1 c0 | X5 [" d# y3 y3 n/ o$ H 9 [) |0 Y9 T. u* t
7 P/ t% j% M( R
' A. d/ t+ w8 y |' Y5 F
; B+ I4 Z v) a' g: ~; k# ]9 B. g+ K, S" L, m$ K2 @1 f- z4 ?
1 K! d ?- d. @; U0 E
0 W" I2 ?8 W( f6 `/ H |
|
[复制链接]
