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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
- O; e" e7 R! O, f if <condition> then u. C' w6 v5 U5 B5 p5 y& o2 Q. w
<statement sequence1>;0 I. h# f- w Y$ ^$ f+ Q, A1 S
elseif <condition> then
* r9 u/ K; B0 D! z8 E$ D <statement sequence2>;
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<statement sequence3>;
# g1 H1 [* y6 _# v# ? end;% y6 U$ l g6 j/ L, r& Y) N5 v4 c0 @9 J
如果分支比较多，用：' q9 j/ @" X7 E) v' |% B3 W; J" x6 N
inspect <expression> v/ x6 }1 |4 B
when <constant_list> then
! s# _8 w5 A* W# a4 o6 a4 o <statement sequence1>;% o/ O$ f5 v% E$ U
when <constant_list> then" ^ G' e5 r) h& G0 A
<statement sequence2>;; @* \) f- c8 N- Y. }
...
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<statement sequence3>;/ o6 d$ }( A, x, w1 K
end;
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2循环语句
% X5 p1 ?; e }! p (1) from <statement sequence1>: b# M+ d4 f/ h4 y
until <condition> loop$ s2 z2 u7 ` K* C- L4 g9 `% X
<statement sequence2>;
# Q! i; Q% ^8 N' W [ end;
! N, }( q0 o9 S8 }0 [ (2) while <condition> loop
# v7 E7 A& A; E& Z: d <statement sequence1>;
( C4 A& ?1 R/ S, O end;# w, _& `' P2 z8 R4 q
(3) repeat
4 f$ {* y1 Y. N! h0 K2 r" Y <statement sequence1>;0 y4 j; F4 ?" z' o: o+ }) ]' z4 k
until <condition>;
7 A* m0 j% y0 M2 I8 U+ e% @ (4) for <condition> to <condition> loop
) O4 l( s- _9 Z' h. g <statement sequence1>;
, N4 R: R3 l8 o+ P; a next;
1 [0 t- m: J% A. I. ^3中断语句
3 |% u% Q8 [% j8 J waituntil <condition> prio <integer expression>;, Y, {* D1 t ]& r( C* {, {3 Y
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3 q: E. v7 r7 n! d以上为常用的函数！
- t3 y, E5 R9 N( x1 U9 y! E还有很多，如有需要我把资料发到你邮箱里 ! G& R! C+ P" U& M# ~. T
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