|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句' G" t+ k% K) T; x( V% c9 m
if <condition> then
. m. ]0 |4 X5 o% J& c <statement sequence1>;$ m. c3 j* q- Y) A
elseif <condition> then
* W6 [2 S. `$ ?0 O+ n. @ <statement sequence2>;
1 G# O3 u4 K, E% _# S7 n" s else
: }3 A/ w4 h( N0 q2 H9 v' @' R u <statement sequence3>;% G2 Q3 V$ e& I# ^, w
end;
/ G0 J, w! B3 l/ R如果分支比较多，用：
8 ]' T( T$ D8 y/ R" d inspect <expression>. P' L) {. Y Z, _
when <constant_list> then5 X& `' Y" d/ t! W8 w
<statement sequence1>;7 _1 O- \8 ~2 T4 C( |
when <constant_list> then2 Z3 R4 R3 B: J# p
<statement sequence2>;
9 k* [9 m1 V4 @3 q; { ...
# c' K0 b! r2 A; r! P" u: w$ I else' I3 O- @4 k. W
<statement sequence3>;
4 J. N; }, ~/ r Y7 w5 \end;. M3 x+ P5 V2 S% y! I
0 ~* d- V! J; `$ k! z( ^2循环语句7 j& Z( [1 I8 Q b7 H$ \
(1) from <statement sequence1>
/ k8 \1 U( e# f! O4 u until <condition> loop& G/ U/ } M% p
<statement sequence2>;
% i) o' O( a: G; o- U end;
+ q; ? A8 B. V0 W (2) while <condition> loop
2 A" i( [$ Q+ N! w7 V <statement sequence1>;
1 g7 w, Z/ ~& d# j( P- z end;
6 n- K- N9 j: ?+ m1 [- v& `: u4 Y2 B (3) repeat
5 F' r& v+ j; A( \& X$ {) [2 G/ c <statement sequence1>;* ]2 u# H! \! Z# B
until <condition>;
. N4 r+ Q, ~' ]3 [ (4) for <condition> to <condition> loop& z& h l7 O/ H
<statement sequence1>;
2 ]9 G, G4 Y# b) _ next;# b; Q7 X! }6 p3 |
3中断语句
* f2 e2 W4 K% q4 c1 h- g waituntil <condition> prio <integer expression>;; u! L7 D' w. L; _0 |4 E
% ^$ u |( |/ L1 O0 h* M" D! {% v6 g& H- l$ ?4 G( r2 l$ `
以上为常用的函数！4 e# K% q0 D% A7 {
还有很多，如有需要我把资料发到你邮箱里
( l Q1 M: D. k$ I- l3 \! x! Q/ S6 Z8 r* l/ c: s# d) Y! b
" B& T2 r8 Z3 I" v1 G' Q
2 ]9 T8 ^- S2 F6 n" J% I; { ( o0 j0 T& j: E9 G% L' f- a
5 X$ y% d; m; g( V& l# s
! g3 k# ]: a- u2 F
+ J. z6 {0 K* o. d7 L
8 {" f! V$ p' i9 H( E$ d2 {: F; L: ]# m; d
1 |7 K# F e" r1 C( `9 P |
|
[复制链接]
