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发表于 2012-11-13 08:48:12
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1判断语句
4 r" R. |2 V1 |8 ~0 C if <condition> then
; R* Y% T/ x2 ^ <statement sequence1>;
: k$ T6 w0 ^6 s/ J7 ?) T2 x" p0 m6 t elseif <condition> then
# {' B" \- l* ^/ p5 e <statement sequence2>;4 B" n( P! \1 {8 S7 L* m" F/ H
else ' ]: r- Y: R& A$ t6 N9 X5 N' B
<statement sequence3>;( u+ N, ?% l' K* h+ h0 ]
end;
) f4 o' ^8 Z* [4 M8 X: \如果分支比较多，用：2 w& N8 p0 U2 j2 |
inspect <expression>
5 \4 h+ |" h& c V when <constant_list> then* w2 `5 I) b+ j( |" A
<statement sequence1>;: _/ p4 P" [, j1 D
when <constant_list> then
( u1 E: j1 q0 T <statement sequence2>;3 e) I3 [: k+ M& C6 Y
...
$ M+ F' M& |: d else% ?; \* u. N1 g/ r4 }4 p( k
<statement sequence3>;( h1 H: T1 ?7 Q4 Z: g: f( ?0 ?
end;1 _/ [0 I7 ^4 @% Y5 [7 u
5 f4 r" x" i+ W# A; _) n2循环语句9 J" y, R! s7 ]* E
(1) from <statement sequence1>
8 s" N: y; d3 U7 P until <condition> loop
% y1 H, \9 ]4 @2 c- y9 n$ W5 r <statement sequence2>;
& ~) P+ `' g# M: y4 I; x. T end; |) a) C) l' Q! ?9 s' ]
(2) while <condition> loop
# }# B' s$ N! D <statement sequence1>;
' G( }) r, A+ _$ W5 D# J) u( c# P end;
4 ]+ @* `5 r& Z2 E (3) repeat
" w' t4 |3 p# L <statement sequence1>;" D# S# C( v. Q, q& {
until <condition>;
; y% \* |) o2 T: h6 c2 m) p (4) for <condition> to <condition> loop- k- l7 D. Y3 B% w. U8 t
<statement sequence1>;
% ^% z1 e$ F; U% _+ T& a1 D7 P next;
% W* Q) ?. u/ b3中断语句
1 _$ x0 A% c o waituntil <condition> prio <integer expression>;6 Q: J# ? G: Z( W+ b
, [- e! V0 v0 D# [, w! O$ \7 o1 t
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以上为常用的函数！) {( }5 B; ]* ?) ~9 I, R
还有很多，如有需要我把资料发到你邮箱里
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