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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' O5 l, l8 ?& g! G
if <condition> then
# ~ z, q& s3 b0 _- h <statement sequence1>;8 [9 @& F+ A- h- d8 Y/ {1 n
elseif <condition> then8 q% ]. k$ m+ I
<statement sequence2>;* v: S- v9 X% D( k# I( o4 q. l
else
; X4 _, q2 `, {9 s* r <statement sequence3>;! z! }' N3 S9 F
end;
1 w' _( ~. H2 U4 S# `如果分支比较多,用:7 r- [4 l [0 @7 ? B( ~4 |' | h
inspect <expression>
5 W5 n2 B- F5 y, p+ |3 t$ p) p when <constant_list> then% x, y3 h* ]3 ^& r* U
<statement sequence1>; V1 a! ]% W6 H2 _/ N$ U' Y
when <constant_list> then0 a: h3 a% P1 A' o; D
<statement sequence2>;
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6 B( j" i- [4 C# A else
3 A! ^' A# q' ` m3 M5 N <statement sequence3>;- l5 }- U$ I" h6 @/ o
end;
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2循环语句5 O- D7 m) S# N7 O
(1) from <statement sequence1>4 k) w% R- K; _
until <condition> loop" W' {+ i! D% U+ j; T% J/ e/ i4 H
<statement sequence2>;
- @' |6 e! h. H4 V5 Q/ r, }( o( ? end;8 `9 P0 G w( C8 V
(2) while <condition> loop
2 i& E! ^' Z7 \& l$ e; R9 p <statement sequence1>;1 K# R) v+ A* e: y1 @' @' F5 l5 w& P
end;
3 P* d! b/ z$ M* ] }8 `( ? (3) repeat 0 K( c! c: H2 U' ?! L" @- A% f8 w
<statement sequence1>;
4 m. m/ {4 P+ N" S! e until <condition>;
' J( {- a g3 K (4) for <condition> to <condition> loop$ L- |* `" }/ E9 w" M
<statement sequence1>;
+ L! h% F0 ]5 }' n z0 `1 p next;# |4 D# c+ P4 h9 I# Y( j
3中断语句
( u% J% ~3 M3 X) x, `% t4 N2 d) a waituntil <condition> prio <integer expression>;
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4 b0 L9 Y1 [- a以上为常用的函数!. _( n+ z M- k; k) d; l
还有很多,如有需要我把资料发到你邮箱里 " ]5 ?0 k) c/ B0 b
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