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发表于 2012-11-13 08:48:12
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1判断语句) }3 z% A Q5 v$ Z0 V# k. E2 g. P
if <condition> then
/ p4 ?1 w l' {4 }5 i <statement sequence1>;$ n6 G1 c1 `8 A
elseif <condition> then
( P$ J/ J* q9 ^- F, X <statement sequence2>;+ n3 B1 {- W3 Q7 L0 i
else / s" m2 R2 q' x$ v
<statement sequence3>;
, R, I/ B; t$ q2 \ end;
! V, }. R, `" G ^6 u! S如果分支比较多，用：6 o' Z$ u3 A* y, ^$ _
inspect <expression>
, B" m; X+ a+ ?3 j when <constant_list> then
# v9 T! g/ F8 Z( h8 z$ S <statement sequence1>;
v. a, ~9 A' T when <constant_list> then) A, y7 \9 a" w% E% D& u
<statement sequence2>;6 Y% c2 d4 A7 f2 Q
...
: v+ D1 I6 p$ C# r else
5 a3 g& Z& L4 q, b2 |! \ <statement sequence3>;
& ^3 g/ Z$ A7 w0 Gend;
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+ W, t, B: \' g8 d2循环语句
; j, {. ~" v. {7 M. Z6 ]! T9 w! T (1) from <statement sequence1>. @; l! r |+ j
until <condition> loop. M- I+ P* D' A# ?0 ~' g
<statement sequence2>;% ?, j* t' y1 [
end;
$ Q2 g# t: R2 d5 [( @6 [4 E5 U (2) while <condition> loop- }2 P& y3 X) S4 l
<statement sequence1>;
7 ^! `7 \8 P5 r% {9 _9 Q* v end;
. r7 x& x1 ^' b4 [8 \3 ~ (3) repeat 3 y+ ^, X3 ~1 R, b' }
<statement sequence1>;
' ]8 t3 [" h ~ until <condition>;
! v0 u! H/ {: A+ a$ `* G8 v (4) for <condition> to <condition> loop
! r0 `& M) M' g F* K1 u <statement sequence1>;7 @/ ?/ v- @/ I
next;
1 U* Z' w- \% G# b* T3 q8 [4 u3中断语句
6 |" _; I1 b# I% Z3 | waituntil <condition> prio <integer expression>;
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2 y: w1 \) x1 F: }以上为常用的函数！
& ?$ a7 M/ L* _. R) ~' e还有很多，如有需要我把资料发到你邮箱里
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