|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句( x2 C5 @: I! X
if <condition> then! K; ^1 u, v; E, Z; d9 R' h+ c# ^; p4 P
<statement sequence1>;7 _3 o0 ^0 K$ _: ?
elseif <condition> then
) Y4 S% J8 x/ c; q <statement sequence2>; m. Z U8 D4 Z b H0 L4 M/ N) p/ ]
else
s; J" C% ^; i2 Q) j <statement sequence3>;
* b* g0 U! Y5 Z. o+ Z# C6 N end;/ I2 Y: U/ c5 ?$ Z8 L7 n- |
如果分支比较多，用：: K* t, z2 ~; k8 }, w. D
inspect <expression>
* `8 A, S1 ^- q- U when <constant_list> then* u2 X7 P) _# j L% N! w+ Y- `
<statement sequence1>;6 Q: B! q" @1 W3 Y8 K. Y
when <constant_list> then. A. d1 o7 }4 Z7 e: z
<statement sequence2>;
Q' t$ W' n z8 f ...
# r' b: z0 w* o else' e( k2 a/ }# X
<statement sequence3>;( u- }6 d( s, c0 _2 G* i
end;
$ e5 i1 C* ~% i& F" ] |
5 D) r4 X6 \) ^ X& h2循环语句
. c, ^7 Q1 K. N( C8 V% h (1) from <statement sequence1>
) Y2 q4 C [+ Z& e4 G2 G' l until <condition> loop- `# s9 s* u( j$ X# Z
<statement sequence2>;/ Z4 Q; g5 G% @. G: x
end;' G1 j" B8 |3 r8 t6 ?" V6 f/ x
(2) while <condition> loop2 t% P' A" a$ W; ?1 m
<statement sequence1>;
! d9 f! ]/ L- t" |( q! D end;1 x% E) i9 t, y
(3) repeat # }, F* ?" @: G
<statement sequence1>;
0 p7 H/ E1 x0 F- `. u- i0 o* N until <condition>;
6 B& G- Q- \) c0 X4 @3 F( E! _ (4) for <condition> to <condition> loop6 _# u# N' ^; O; u5 l% z
<statement sequence1>;. A& _. l$ K) M3 j* x# d: q* R
next;
" U8 }9 w% I; x) k: J3中断语句. R, q# Z/ v/ k
waituntil <condition> prio <integer expression>;
$ M& f/ u- ~% j/ x; E3 a
4 f+ Y" h& N# c9 [/ Q% F1 n3 ]: K B- L A3 _# B6 k
以上为常用的函数！
2 n, k( E) I5 w) o) e, M还有很多，如有需要我把资料发到你邮箱里
* U% f* W( i" z* N) f
2 |% y7 D* q( q7 {9 x& C: _0 a1 m5 b; r* j( p4 W/ }8 J1 {
- Q' O6 S7 Q' [ ) e* B3 S8 P1 \
' ]! M* S) [/ K4 \2 K) o5 m2 r S3 [' s: h
" U( J/ q# F0 }/ o+ l2 l0 p+ d5 c
; `1 l" q, Y' G0 p3 \' o7 Y0 U4 I) s
8 b, d+ i5 K0 `8 E( P; C; J
|
|
[复制链接]
