|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
^8 i- y) J2 }4 h8 i) S$ R if <condition> then
7 K, F) b' t' k* N, S; i- R) [ <statement sequence1>;
& b: r9 X. y9 D- o. M1 J elseif <condition> then
- ?7 p1 g( T3 q' i" j6 B <statement sequence2>;
6 d& p4 `8 K3 L: I else & C w1 e9 j# b. T4 j1 N
<statement sequence3>;8 o. x' j- @% f$ o+ }$ H( k1 Z, g
end;) T$ d) h ?, O* Q
如果分支比较多，用：1 b2 V" z" p* E
inspect <expression>/ I& p+ h0 |# @- H9 h. X
when <constant_list> then
# c% X H7 d9 p" I! p( ] <statement sequence1>;) N0 C" b& U7 X& i
when <constant_list> then8 k& `4 p# v& x2 p3 m, I* G# v3 D
<statement sequence2>;$ Y0 q; N5 l( j8 B5 Y
...& ?" B' ]6 ?5 }4 \
else
/ c" y- n% O7 t) I <statement sequence3>;
* m) J( u( @; _ e; W' J( Xend;
) e% U' y5 j0 m, a
. Y5 w* B4 ]" t6 L0 |! X2循环语句
' r" Q' d' e* K9 l6 Z( o( ?& w (1) from <statement sequence1>
6 K; r2 ?. L0 P4 o* E until <condition> loop
. l4 M. G7 V" L; o8 B <statement sequence2>;
8 [( {7 a% _7 O5 [* g end;
/ f0 I# }0 D- g) E (2) while <condition> loop
+ e5 U- |2 ]8 s' u9 R <statement sequence1>;
) X& X3 f1 E! l N6 Z y, c end;/ |* z# R/ Q: Z
(3) repeat ! ~# j. m! }5 q2 d, D) X
<statement sequence1>;
+ G9 t. m" N: _# q$ \ until <condition>;
; v5 r8 U6 C @& @ (4) for <condition> to <condition> loop
3 h. O- I% N* M( @' Y3 B <statement sequence1>;
: W# A) g; L) \: V8 _, W next;3 ^, `9 C! B$ `0 J+ e; F8 k
3中断语句% |* A0 P0 @% Y/ I1 i: B
waituntil <condition> prio <integer expression>;/ ]5 _' B4 u4 G$ _
+ u- |* Q8 H% c
: j9 h9 w4 |7 c; x2 U% C以上为常用的函数！
T% y! ~% E7 E还有很多，如有需要我把资料发到你邮箱里 ! c' E2 D! N4 ?4 g( \: ~$ l
$ r( `3 ^& ` s* d0 v8 ~* N) Y( Q" @% l2 ]3 e9 W9 I
1 |) q, t' C4 [5 R$ }) T
. x* y: X+ F& X0 Y
* u+ b1 g' t4 @* M8 |' I c, u# X9 i& T) c. @& Y8 R
4 v- h$ g% F6 K$ |+ \" g2 }$ y3 u: k, V o4 s
, B B1 ]0 |& Q$ a
( N3 e5 b; ]7 t$ U# P2 \ |
|
[复制链接]
