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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
" E( F8 m1 G; i if <condition> then
2 T, h" U z: g$ n <statement sequence1>;) i( X4 _, e0 j
elseif <condition> then1 L/ E, q6 W' |& T
<statement sequence2>;' \; e( H- {! m5 M V- c+ q3 ^5 ^
else $ ?7 W# R# k1 h+ ^: n; u
<statement sequence3>;1 Q t- }& N5 T6 r: a* j: t
end;
5 ?4 s! M; Q9 f0 M- x. {# I如果分支比较多,用:, F0 {( @" |4 X$ R* P
inspect <expression>
4 S! ?# t# X8 l& t! X/ q when <constant_list> then, c8 k ]0 W; g0 P3 U9 ^- I# Y G
<statement sequence1>;
; o _4 [- o3 Z {+ N1 D% Z when <constant_list> then# K5 ^ U, {( z) O8 _6 S0 u) Y2 ]. \
<statement sequence2>;
; _; ?$ B2 m4 _, w7 C1 {. N ...
& u! T$ B$ r# Y$ K1 [+ t* q9 v else
: {, p! ?2 P. u& f7 T <statement sequence3>;$ z3 Y: Z( C! g# ]/ a
end;
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2循环语句- E8 [0 S! d; _
(1) from <statement sequence1>
7 L* O& R: |* u5 Q until <condition> loop1 B# P) i8 v. U1 ^/ M8 r
<statement sequence2>;
" g. Z8 I- Z+ c& M1 [2 s8 N: p/ k end;( ?9 ? w: |9 T
(2) while <condition> loop
8 ~0 \& F- U" h5 f3 y <statement sequence1>;# i* k/ `/ }+ r! }5 C; {: x8 d
end;( f6 q3 E9 _( R8 o1 n& s- V
(3) repeat
. L+ J. k$ i5 ?# k/ A: @+ q) y. S <statement sequence1>;# ^0 a% }% \$ \# i s' L
until <condition>;
1 B7 D& W. r7 Q0 M, ^' v2 k7 K8 D1 r (4) for <condition> to <condition> loop: E% e, O, Z" \( N3 P
<statement sequence1>;$ B0 ?5 G; T2 M6 s: v6 e+ M4 i- J
next;0 `' C% q* a3 Y, f- ~/ [. `3 U f
3中断语句
( I- _2 {1 D- m, H! g/ J, Y waituntil <condition> prio <integer expression>;
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4 S4 J( |4 G8 s0 D1 X! G. Z以上为常用的函数!6 [: p; p* e; a# a4 {
还有很多,如有需要我把资料发到你邮箱里
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