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发表于 2012-11-13 08:48:12
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1判断语句
8 r, c O! Q! b if <condition> then
1 q- k( ~& w% V5 E3 Y# s; _; F% f0 f" n7 l( } <statement sequence1>;
4 ?5 ` u- c& b7 ? elseif <condition> then
0 s: {' _8 J" V2 j4 t3 Z; c <statement sequence2>;. ^: c0 i# b! a# M
else 1 m S7 ]$ I9 w- \5 J+ H! b
<statement sequence3>;/ h/ H0 K# j* P. F
end;1 ]1 T8 e3 @; A, @
如果分支比较多，用：
; `' ]0 v2 f% N2 S5 W inspect <expression># F( L, ~: S) e- G7 K! E- v6 s
when <constant_list> then& N8 y7 ]( \# }; r: _( _
<statement sequence1>;4 p+ Y- L6 }6 l9 z: E/ q% S& O3 E
when <constant_list> then5 `+ }! O) G& o: }' H2 E3 k
<statement sequence2>;: J2 j/ q& P8 y$ u6 k" k$ a/ G
...3 B7 X. z0 g7 r( J1 H$ P; Z: p
else% t$ R2 p1 y+ H# y/ t
<statement sequence3>;
g- N4 P1 m G6 g# xend;
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( f; {6 J1 \5 K0 |3 N/ v- \: c2循环语句
. j/ }. ~4 B5 `% _, n' ] (1) from <statement sequence1>
$ q) m1 A; O" i' U" O3 ?1 x6 U until <condition> loop
" ^# a# g8 U+ R5 {' K* ` <statement sequence2>;& p- r3 H8 G% _
end;0 b+ s! ]5 G/ d% c- H; M& a
(2) while <condition> loop3 Q5 } `$ \) H. `: g
<statement sequence1>;
9 L3 I+ @" P5 l0 g" x' m end;
; `4 o+ W" |# L7 j3 } (3) repeat
' Y- |$ c, J, C& Y) J! _ <statement sequence1>;
. s7 }; G w, K; R) | until <condition>;
5 Y0 a: L) L3 y) b7 n (4) for <condition> to <condition> loop
8 z( K K9 X1 \3 z" o) E" h <statement sequence1>;8 G& s2 D+ f. Z$ i
next; k" E( A+ G; D$ i
3中断语句8 g6 A4 L7 D% h5 Q8 A/ c) c. F# ]
waituntil <condition> prio <integer expression>;
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3 |0 A5 }* y/ g! b以上为常用的函数！- B' p' ?8 Y/ Y- V- ^
还有很多，如有需要我把资料发到你邮箱里
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