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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 _% \* _3 h6 e6 X
if <condition> then
5 x% c; y) P. \. ?" x9 M. O( f3 l <statement sequence1>;
4 p+ o2 {* C4 n5 h% {2 N elseif <condition> then
6 A+ ]) q/ I; o <statement sequence2>; I0 Z* O$ u( f) ^1 L
else / u2 @' K/ {; h
<statement sequence3>;! |" y8 t2 C! E7 {0 o
end;
# i+ b* m' i* k" `/ f* E如果分支比较多,用:
- O+ o- W5 M t. }9 ?/ f% J1 Y inspect <expression>
/ R0 @" v2 C' U! }9 F! t& p when <constant_list> then
* E2 j2 U6 M# ^7 A( L* h <statement sequence1>;
" @2 w, N) E# Q1 x* h3 J U when <constant_list> then
* D. g: b, H8 l- Q) K <statement sequence2>;
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else
- l/ u _" E3 K7 R5 ?* D7 ` <statement sequence3>;
' |: @4 j+ e* _8 M5 ^* _4 _5 b6 P+ xend;
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2循环语句
3 c, Q% b: H3 ]( D$ g1 p (1) from <statement sequence1>' V" V* r" w9 r3 D
until <condition> loop4 b7 t$ I7 O/ x1 Z: w
<statement sequence2>;3 H1 F" I _6 G g% b$ |5 D& u
end;
# f: a# T S% A* ? (2) while <condition> loop
/ n7 ~8 I8 k* a! i5 u <statement sequence1>;
& p- ?+ J7 G4 h9 `0 Q; O8 W end;4 e f) V8 {, l: Z0 J8 \
(3) repeat
- {( f2 b1 i* c, c9 ~ <statement sequence1>;+ V# h2 Z$ T6 B* Q
until <condition>;
1 y, `+ g% m% z# z8 P& m (4) for <condition> to <condition> loop
7 _$ e% _$ h$ d <statement sequence1>;3 B, M0 o- T( O' {- F) B7 M
next;0 h6 d! P# w5 L" Y
3中断语句2 W" t L. M* i: N( s
waituntil <condition> prio <integer expression>;
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3 Z# F& K" x) X- X以上为常用的函数!4 f; Z' J1 p+ h3 y! r( J# j
还有很多,如有需要我把资料发到你邮箱里
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