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发表于 2012-11-13 08:48:12
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1判断语句0 f2 O( M2 H. E( ?3 U
if <condition> then/ t1 D4 Q6 P1 I
<statement sequence1>;0 q" H0 L+ c) k9 u& x& O# V
elseif <condition> then
) W, x ]: [! W% | <statement sequence2>;
1 V9 ]- U+ r: j0 i4 {3 _) w else
4 m- n6 _" X1 ^) r& b <statement sequence3>;: R- K" B- ]$ {8 n( v+ p
end;
1 U* v0 N" n! `如果分支比较多，用：
1 T5 u1 L& ~ d b# T7 S inspect <expression>! E1 M/ S* {! x3 q+ w
when <constant_list> then
/ A4 O0 a" r& |( F( y+ A <statement sequence1>;
$ P# t( G1 d% J' ^ when <constant_list> then0 ~& J+ `2 X1 d7 j* k3 G
<statement sequence2>;
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else
0 u4 `" ^: b5 G; h% ? <statement sequence3>;& k1 k. V2 N/ @. Y* V
end;
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2循环语句
! m8 f) F& {6 S (1) from <statement sequence1>! J- t( P# C1 {2 c- I
until <condition> loop
( p# A5 o1 O+ u5 U+ I5 d, d <statement sequence2>;5 L0 k+ ^$ J; `3 k9 V) ^! @
end;% V1 m/ `; c* l
(2) while <condition> loop/ o7 w; g7 u- Z2 Q- ~2 E' ]
<statement sequence1>;
) z% ^& W: w/ p' X ]$ X% }, Y end;
/ t5 z; h# y/ Y) j* y8 ? (3) repeat
# k7 u# Z% j% S' S <statement sequence1>;
8 q+ v' l: k) q- Y c( R$ n until <condition>;
' J8 x6 r k- L0 r0 @ (4) for <condition> to <condition> loop
$ W' D5 A( k$ l4 U <statement sequence1>;
* c4 a# H- h1 [1 K* T next;
: `6 Y+ E5 {5 N2 |9 N! k3中断语句* J7 K* R4 q; A9 I$ \% W7 U
waituntil <condition> prio <integer expression>;
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( w3 S0 y6 L; w5 L ^以上为常用的函数！) p# H2 W4 \$ u3 B/ ? o' ^+ ~
还有很多，如有需要我把资料发到你邮箱里 ! u6 S( Q2 U3 M: S
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