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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
0 K* k, @9 m1 _' { if <condition> then2 s0 v$ v1 a2 c" q
<statement sequence1>;' V) H/ b( {, f8 h* M# m
elseif <condition> then; v. W b( ]: |2 v3 ^( ?
<statement sequence2>;
3 a2 D# E' Z% C/ \ else + K' `3 l$ E# I
<statement sequence3>;' o" \' O6 D8 p
end;7 t J# q5 [$ Z; N
如果分支比较多,用:' i; s. C* U4 C) H5 y
inspect <expression>/ S& |5 _6 q# R
when <constant_list> then
0 ?' Z* W! G1 X F$ T& n <statement sequence1>;, Z9 c: P0 b5 y6 I0 l
when <constant_list> then- Y2 A% |# v$ T( |% J
<statement sequence2>;
$ K# M3 y( a! B j9 W$ C ...
+ O6 n( Y& w: b$ T' W c1 O/ y else% ^3 L4 s$ M( J# N
<statement sequence3>;+ `& d8 H. Y6 a
end;
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, h2 f& q) d" a/ t3 T2循环语句5 ]8 Z: }1 i' y% _: o9 i% F
(1) from <statement sequence1>
6 l. v1 H) B+ E! L until <condition> loop" e( r2 j$ [: k7 m0 F
<statement sequence2>;
, F# l+ W& e2 k1 ]& t' m end;" V1 F/ Y" p4 A6 ^
(2) while <condition> loop, C ~8 R# |( L8 x
<statement sequence1>;$ B" n- k. h, I
end;! x/ V! B' |# s
(3) repeat
! E- l7 {" P+ _) \/ {; m <statement sequence1>;
0 E- F8 w3 k$ T3 G& ^) I" g9 k until <condition>;
P) }( j& q9 e b; s (4) for <condition> to <condition> loop
* {& q' H1 N3 M1 N- m1 E <statement sequence1>;. P- G1 a) {1 {: |, H
next;0 p0 ~ c" N, o+ R, z) f
3中断语句' z: F. r m+ K" `* ?- k, f
waituntil <condition> prio <integer expression>;
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2 ^5 X1 T2 j3 U+ U2 V+ I, \以上为常用的函数!
" {2 U5 ^% L+ c8 F+ u9 z+ R' S还有很多,如有需要我把资料发到你邮箱里
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