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发表于 2012-11-13 08:48:12
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1判断语句
/ s5 E3 i2 s8 Y( W H if <condition> then6 W7 K. ?& \7 a( y
<statement sequence1>;/ `, A$ d" ]1 w) ?, p) s" _4 W- r
elseif <condition> then* f7 b6 `. ], \1 L
<statement sequence2>;( w* X$ M) L& f! y* ?0 a
else 7 Z% o2 s9 r P2 c5 ?8 n( ~
<statement sequence3>;# f$ B8 l! t. H+ f: _1 \" a
end;
* U/ X" O* J6 {; ?5 B7 o如果分支比较多，用：7 d$ Q {) w* _
inspect <expression>( P, ]% M: b. n0 y# `% l, o
when <constant_list> then
, }# Q' b2 p( h <statement sequence1>;
9 O6 Y* j$ v7 _4 _ when <constant_list> then
. Q. v9 e8 l* E0 p <statement sequence2>;
; d4 g/ u) d: b$ m/ |# L/ l ...
6 {2 s1 S+ S S# U. X# u! ^ else
1 h: e$ Y* d0 h" ~) [- H" Z9 w: d <statement sequence3>;
. ~. Y$ Y* v& ^end;3 R, d( l+ q3 |& E+ {% S
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2循环语句" |3 H/ e( R' J( \5 s/ Z4 D7 J
(1) from <statement sequence1>7 {7 Z. B7 M1 a l3 Q. o
until <condition> loop1 O m8 J) v" l! I% Y; J4 U i* x
<statement sequence2>;
. s- u8 Y' ?4 w' ~. S$ Z5 R end;8 t6 x5 s/ M0 s5 r
(2) while <condition> loop' P( h' b7 w( T/ O" s
<statement sequence1>;( }& x. j: c4 W
end;
; L6 e9 e ^! A, W8 Y6 m3 K7 C Q# O (3) repeat
% u. d4 h: j8 ?0 c2 }1 `7 Z <statement sequence1>;' {$ R( ~1 j) [( @* c* j; q! F# u0 y/ g
until <condition>;; }8 B, }$ X" ]: C
(4) for <condition> to <condition> loop
* L' I8 ]( b: y. Q9 b1 N8 u <statement sequence1>;; i9 `" q5 t" }0 _8 \
next;/ c- _+ v' P; f, `0 q& X
3中断语句
& h) D9 H* R( a1 {, g waituntil <condition> prio <integer expression>;
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以上为常用的函数！
" J3 K) Y- ^: \& F- I2 B还有很多，如有需要我把资料发到你邮箱里
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