|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
$ b# A9 y& V8 u: z/ j4 Y, S; J/ D if <condition> then
2 [ O! z; J& E0 G& W% u <statement sequence1>;
0 d* Q; Y3 [ C$ [4 G1 k elseif <condition> then
0 S% u- B8 a* W/ w9 Z <statement sequence2>;
+ r* ~) M& Y: B8 U9 I5 [! V else 6 y% D/ k- L/ t
<statement sequence3>;
' l( R7 o* Y) w% l0 H end;
& S- s* ? P6 @+ {+ T% G1 {+ A# ^! F如果分支比较多，用：
# v, l' i9 N- r, t inspect <expression>5 v; b0 X- q5 [
when <constant_list> then
- b3 r0 |2 Z+ |8 r0 T9 V5 J <statement sequence1>;
1 ]1 Q% _/ }& p6 z# n when <constant_list> then
5 L* n( P# m) J1 O <statement sequence2>;
, \ D. s- K% d6 V, T, g4 Y ...
+ q1 s: o) A+ q6 x2 K8 c. ? else
4 j3 `2 M! B% L" i6 v <statement sequence3>;, l' T% r7 q& v% d
end;
' S0 m9 Q \ K5 p3 G$ }/ j L0 e) }, s0 H4 @) u
2循环语句1 k/ z0 O3 k: O M& Y% M
(1) from <statement sequence1>. N; [4 g0 T k& ]# g3 y* j5 o
until <condition> loop1 ^" s6 C5 k% U# [" @
<statement sequence2>;( F ]& {, W, @+ u8 t$ Q1 r
end;
/ h9 u5 n$ Q9 R, X5 ]6 N' \. E+ w (2) while <condition> loop
4 c+ z8 b( Z! N- h0 ] <statement sequence1>;
7 e3 x' q0 g9 T0 W; D end;3 e5 A" T9 L/ `% g7 n
(3) repeat ( F O- \/ `; r) {$ O7 n. I
<statement sequence1>;; R; S) g) T1 N3 H Q0 Y+ `
until <condition>;
+ g, m; A9 u. K3 l! K4 q (4) for <condition> to <condition> loop. c7 C% n% [( M$ h* z4 |
<statement sequence1>;9 f; m& d; L! K! e( j7 E& [, a* i# k& |
next;" G5 q+ N7 p6 U n2 o
3中断语句
" {( l1 m( T0 s2 g" H/ ~ waituntil <condition> prio <integer expression>;
/ V: q/ J) {, R; m+ L
& `* u" U! `$ U( S+ m6 x# v2 r# i9 M, b# h
以上为常用的函数！, I1 H8 J7 x) Q o. [8 M" l. v6 y
还有很多，如有需要我把资料发到你邮箱里
5 o: @7 c. C5 W$ }( n6 l: u
: K3 j. m: G0 c$ w1 x& B
) q- u5 ?2 D5 j% s/ K1 f0 E8 o. u( O2 i. [3 f
3 Z% v0 g5 r6 x t
3 s* U9 j/ C3 \! G7 R+ P3 m, H; S
; j0 L' o/ Y/ w5 h0 ^& h0 j
4 Y% m* j2 G8 p4 E6 K: h6 X" X9 t0 {5 K" ~) X8 R
% k/ `6 f$ W) H/ g: B
Y+ N& T3 N ]& W) x |
|
[复制链接]
