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发表于 2012-11-13 08:48:12
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1判断语句
: R( a' {; d/ S" }$ V2 f if <condition> then4 J5 S- U9 s5 U! {4 ~1 l
<statement sequence1>;- ^$ M$ [9 j8 ]
elseif <condition> then
; Z5 r3 O: r' J. Z1 m5 o* ~* T <statement sequence2>;
; t" H0 y; h( I3 z/ f else
2 r3 Z( N6 { x( n# E7 s <statement sequence3>;
9 F" K" q* s+ {7 I4 S end;# p- I6 Y# X& [1 j5 k. R* a
如果分支比较多，用：. B3 A: k N0 i: p$ T
inspect <expression>
: ]% x+ S$ f" s) R when <constant_list> then
8 {* G% U ^/ H <statement sequence1>;
) T- f6 J$ A- h- G" j: @3 P when <constant_list> then
7 [. k' g$ A, F6 K& z; z, P <statement sequence2>;
; Q" O( b+ a, h0 o3 P1 H ...
$ p* o0 ~& [! o. Z else
0 }; C( x2 e' L. m <statement sequence3>;. t; Q& r0 X% Y# e r
end;
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1 o+ P0 C6 j( u+ @, i' h' ~* |2循环语句" k4 F3 t' G" n5 T1 Q+ x
(1) from <statement sequence1>& M" X& o- W; b. W% }3 z% @
until <condition> loop" b8 A, _4 s: W) x
<statement sequence2>;' Z Z% P! E4 D5 P
end;6 B' W3 ~% S4 B8 U- T& l9 ]
(2) while <condition> loop$ `0 d x% u4 p) v
<statement sequence1>;
& x* j) l K& `5 e end;) d* N' h# H; T2 p! H
(3) repeat
' ?7 T( t4 X6 ~4 f! p2 }' J. A \ <statement sequence1>;
$ s0 E! ~3 u( j) W) C2 P+ i until <condition>;
$ W' u1 n5 e! x: G2 I% p (4) for <condition> to <condition> loop- M8 k( z2 G) L
<statement sequence1>;
& V4 B, M7 l/ _- Y' N: J next;
: z- D X: |7 Z+ q' \& h3中断语句5 Y3 ?3 i: y$ D
waituntil <condition> prio <integer expression>;
6 a: f( V* p% L* v: M) g+ k. S1 C) F- ^. Q, x
/ }. Q+ E" E" w% {3 p
以上为常用的函数！
1 f( n9 U! \% \( X! H还有很多，如有需要我把资料发到你邮箱里 * a/ p: I( x9 A" f5 S1 d9 Z
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