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发表于 2012-11-13 08:48:12
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1判断语句
1 [ l' T! [! \+ x4 F, y if <condition> then- L4 p1 y/ w! L6 H& U B& C! S; a( [
<statement sequence1>;3 t8 O' z3 d Y/ u4 X5 F7 {
elseif <condition> then
$ n6 k5 {: Y3 ~2 H$ B+ o( K+ D <statement sequence2>;8 Q6 o: d* ~6 m* q, D- p
else / I+ {; K& w. I ]4 X
<statement sequence3>;
; Z+ }0 p Q# _. I end;
. G& w6 w) n: y如果分支比较多，用：0 p9 g: N! i: c* }' s0 `% ]& q
inspect <expression>" c* ]+ W5 B) g# Y' e7 C! B& I
when <constant_list> then
% f% ^8 o; V8 Y <statement sequence1>;0 y: n! B5 S$ ?. z5 j
when <constant_list> then; Q! Y7 b2 r5 M# v& n
<statement sequence2>;
3 q+ u& H! w3 h5 y8 `, h# p ...
' L. z! @1 w7 a$ r9 M else
$ `1 {$ m7 |1 m- ?7 ~ <statement sequence3>;- c9 q; K1 A r, g' i" P
end;
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2循环语句7 t. y2 ^% J% t" ?5 [( }
(1) from <statement sequence1>' H2 o L3 G3 c/ y% I
until <condition> loop) y9 U6 J& W! w. c+ j
<statement sequence2>;+ I2 w9 x2 ?" T# v
end;
5 H8 m8 q2 e* m+ B- O# I3 J (2) while <condition> loop
4 J* x+ ]* u8 o <statement sequence1>;9 x. {4 [! D; C$ _0 l( v
end;
7 Z) H) C5 I! l' N( n' T4 f$ c (3) repeat
. L/ J+ B# y( _* D0 u* P) x <statement sequence1>;; {( ^$ ~6 Y. i' i: m% O
until <condition>;2 l6 F3 _# S1 e6 S( W. p3 \$ [. i6 C
(4) for <condition> to <condition> loop
5 W5 [* H4 w( g) d- e* s8 S <statement sequence1>;
. |! i9 g6 j( s$ J3 J next;, v4 \) M( }. K& b
3中断语句; }3 L) P+ P& x* h7 c. l+ M
waituntil <condition> prio <integer expression>;& }1 R( ^* {- f
7 b1 R$ p' [: ]$ E' @- q
% x5 T: y! _. ^9 c以上为常用的函数！
( f# H3 E5 T* e, o) a7 m7 H' s还有很多，如有需要我把资料发到你邮箱里
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