|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
- u0 `+ J7 c' w% h0 d- u. x if <condition> then
% b* a5 I9 }3 V6 K; ]" r <statement sequence1>;. s* X' D9 j8 W3 x0 @
elseif <condition> then
: x6 e( ?( a% x: `1 |, T <statement sequence2>;
: `! t7 r" I. s else - D8 Z; F& d) v x
<statement sequence3>;
* X- X0 y& k. R: n: q end;
0 B N$ B9 h9 W如果分支比较多，用：
% C9 M% H" k4 M- j( k: ^/ t1 v inspect <expression>5 z2 Q+ c% b0 b7 A" U! a L
when <constant_list> then6 p* M: j% |9 Q6 n6 e) j
<statement sequence1>;
2 N' ~$ L6 Y! L6 u when <constant_list> then& R7 B8 R1 V; S1 X5 e
<statement sequence2>;
0 e# Q, a# n6 q' J( M. e' \" ~ ... }5 E' {* @" G& N* [# G
else
( q; t O; g" r& L0 l, M! M/ x <statement sequence3>;; x) r4 ]+ R4 |! S. k8 z! n
end;- I: y3 u! F/ G3 k/ Y! u+ J; _
) v5 i( J8 V8 r) |5 p2循环语句
: t! p7 V" |4 S# s (1) from <statement sequence1>+ w* }* }' N8 O" \1 L
until <condition> loop
& y% l2 |/ _4 {. q9 ` <statement sequence2>;
) b( N8 Y! F+ m! t! G- i end;
7 |# q- f: ?9 t- D: M (2) while <condition> loop
/ p/ |6 J8 I4 G. p6 Z' @ <statement sequence1>;, ?7 }& t9 B( u( W/ O4 t$ d
end;
' D4 A; {: V% ~- l) x* G (3) repeat + w# x) D/ V% I5 f, v% L; E
<statement sequence1>;2 C$ S. L" Z4 |: k0 J
until <condition>;
9 z9 X: b" w. I8 z( H# z" p (4) for <condition> to <condition> loop+ i4 r0 S& M' F/ p7 `& p7 U
<statement sequence1>;
! j5 q& `2 T1 K5 y9 m next;) d2 R. U& q4 q$ V7 P, b7 S
3中断语句$ f# P9 `4 V( J$ k! K3 c+ K% A7 K
waituntil <condition> prio <integer expression>;& w9 ]) x3 A% n7 k9 @+ h
1 P; q# g Z! b9 i" n% F6 i9 r* u
* T9 ?% u( F+ {5 n, a9 Y/ q以上为常用的函数！7 s) h/ J1 M2 f* w. f, c9 f
还有很多，如有需要我把资料发到你邮箱里
, W, h" \& c0 b# p" S, g, r2 |1 N }0 u Y+ {& M& C% w
$ U6 q1 s! u" V' U7 t) v2 s! k) M5 Z5 _- H. T$ c) M6 P6 z
/ E; U ^2 t/ n' E+ m/ F* N
% `# k i% Q W# h: L A- N- q, T+ p* Y" i1 w: R) v
4 p5 O" G r% n6 d# _, L$ ^9 O% V1 r: u$ @6 x/ u
8 v4 L* j4 w) ] F c1 \" _- p' ^/ {
1 `, T) e0 T6 u, q' T- \% b3 h |
|
[复制链接]
