|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句3 ]. l2 C* z6 n/ c) q5 r& r$ T
if <condition> then
* Z/ J4 S! p4 d( z8 Y4 ^ <statement sequence1>;" x0 w$ \) }; V5 A0 e, Y4 C
elseif <condition> then
) ]2 L; E- p4 c, v1 x- |# B <statement sequence2>;8 e+ ?/ s2 w" e5 s; {1 U
else 0 _3 H/ O: M; p
<statement sequence3>;( Y+ o, k. n1 i( n2 S% q
end;# B( W, V+ ~! R: y, o; R% G+ ~7 C+ z
如果分支比较多，用：
2 x" _0 m t5 b) C, F inspect <expression>
9 V. E: E& _' J9 v" V/ u when <constant_list> then
2 [- T0 s3 o8 n6 n1 z <statement sequence1>;1 v3 Y( O7 y$ |9 Z5 w. C" ~; ^
when <constant_list> then# a/ x7 w3 Y' Y& A7 j5 D
<statement sequence2>;0 |: _+ o, N6 V4 S8 f
...
0 L9 p# u5 |" M2 Z else+ @. S g: \9 m) x) j' j2 j
<statement sequence3>;
$ _5 J8 a. o' `6 h4 K. J9 G5 @end;( b) P/ _+ x, z4 e2 q! n U
0 u! `( l* M) v8 t% F6 O* b8 h2循环语句
2 r6 o1 ]' |( c* @ (1) from <statement sequence1> w" `: f: Q7 z- D" i$ _; \; o
until <condition> loop3 ?' a1 U& ]% A! z1 a7 G
<statement sequence2>;4 T& W- Y& Q5 n% `' V- {3 a- a
end;
3 B# w0 e, W j1 w (2) while <condition> loop) B- m! K) V3 O7 |8 i
<statement sequence1>;7 k, c! D$ z/ x+ x& {- ?" V
end;
) o) s6 T! b( D3 w (3) repeat " e$ H2 {/ D0 |# Q a* s4 T
<statement sequence1>;1 p' R! T: o9 s S0 N$ L
until <condition>;
2 @: D% R7 z& p' B (4) for <condition> to <condition> loop
, [7 k+ L ^) w% t* s& [ <statement sequence1>;: p6 E3 z$ C5 B6 \1 g8 `
next;
9 q, \0 u/ m2 S3 ?3中断语句8 {9 m+ A& F) n9 `
waituntil <condition> prio <integer expression>;, Y. [/ g! D& e# v6 l
( r% M6 u4 Y" |, @: D
5 n8 B" u: A7 o L. r% c h
以上为常用的函数！
@2 O7 v5 a6 |! V还有很多，如有需要我把资料发到你邮箱里
; m6 X4 u) O7 q% |; r
4 Z+ y* e* _% |: |
. u* ~3 T9 K3 h
% [8 ]/ S# C, }' d
) L9 [( o4 i+ i$ S# _" k/ ~0 A+ }- R3 p: S8 w
; a! V, n$ y& @# b+ k7 \- ?
' m' ]: D7 I0 s" c1 b$ T" l
/ L! V9 S1 X" p: F' \, B
! F1 J9 y4 \( \, ~5 [ ) _- [% Q: V, T
|
|
[复制链接]
