|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
/ r N- L4 |7 `8 s L6 w2 c if <condition> then# L% _- D. Y$ @! w( M3 M
<statement sequence1>;$ _! c! l3 E$ X" D' C
elseif <condition> then
0 F% u7 H8 r* B <statement sequence2>;
$ z# F$ _, h5 I else
9 I) N' F2 P3 T1 {+ \3 [7 U' q <statement sequence3>;
- L+ h. n; k7 D( ?5 o end;
3 B7 Q. K; ~: w) x1 ?7 q* @如果分支比较多，用：4 m7 h8 P8 Q, q# D
inspect <expression>
$ T4 D0 h( a4 N when <constant_list> then
6 n, g$ \ a8 n <statement sequence1>;
) u: V1 t1 \. k2 e when <constant_list> then
/ K C+ Z( q4 Q4 a0 O# z4 Q <statement sequence2>;
! a6 m, ?8 L: c* i .... n0 j/ u0 C% f4 t7 _
else
& A2 [4 g- X5 P# D% m9 z$ [8 f# G <statement sequence3>;1 c. ]5 m+ X; z$ n& t7 M3 P$ u
end;. b& J! ?; d7 c- z: c* P' k! x
- f" w4 X3 Q1 @$ z+ |, B! v& [+ p
2循环语句
/ ~& k" z ], W; ~ (1) from <statement sequence1>4 e+ W* [6 c' l1 o( a) \& f+ j3 X4 v
until <condition> loop) }, K- t3 ?9 c+ J- G8 O
<statement sequence2>;
1 h' V9 n+ F; R: m8 H4 j end;. z$ {7 g) [+ m0 \0 H; w9 ]3 W
(2) while <condition> loop
& `# ~2 n; I) v, e* t3 K( w <statement sequence1>;
! {8 S" @3 Z6 B0 @( G end;
( @ `4 a3 J6 p" L) n9 c (3) repeat
, H5 d7 w6 S$ }2 d% c' \" } <statement sequence1>;. z$ s% D5 o) p& S, W$ \ Z
until <condition>;1 ^: A6 b: `, @3 U" e3 }
(4) for <condition> to <condition> loop
) m( m& g/ t. c$ ^ <statement sequence1>;
/ |4 r1 f( a% @* \8 ^ next;
, u4 [! R& _( Q5 h3中断语句
! K7 j; M% X9 ?; z) x waituntil <condition> prio <integer expression>;) |# H5 h' K/ q
2 {. Y7 l3 @+ P% g/ F
# f# s! p: X' G
以上为常用的函数！
6 F5 `" o" k; K; a8 t还有很多，如有需要我把资料发到你邮箱里 . G$ T$ Q2 Z- u, z' D! j' B2 ]4 J: d
7 c7 J, m4 O1 ]0 q! V
0 g/ f9 P" S0 i- H0 T# I; y# z, w1 K6 D, D! W+ N
8 y. \$ t! K6 s- g4 P
& f, ~4 ]! d4 a0 Q/ N8 Y L: v8 [" D/ \6 F. {: D, e$ z# q" p
+ c2 f. f% z% s$ f- ^1 ], l. t p" E4 \0 }: T5 ]$ f2 A
* F2 H0 e, e4 r
& v5 L5 d7 l: i- H& k3 h |
|
[复制链接]
