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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
! g. s5 C( g% y3 E4 V1 { if <condition> then
) f+ o& N3 o5 e, W <statement sequence1>;9 \' ?) @# y/ i% a& U; ]: o8 R
elseif <condition> then( T6 z# E: o* J" X! \) u
<statement sequence2>;
. J2 i9 D% r N6 P0 N( }3 ~1 m else
5 ? g8 C! q, a. _9 q3 p <statement sequence3>;5 C1 \7 G- U1 w; _: A
end;
6 U, E3 E' P3 G$ ?& x4 e如果分支比较多，用：* u* }% e9 y+ F1 W
inspect <expression>. D; i$ b7 O5 u; Z/ Y, Q
when <constant_list> then
0 p4 w$ j* y. }& U1 Y' B1 _2 I <statement sequence1>;- J+ E& p* ^* Q. N8 B; ]& y6 y
when <constant_list> then
* m% ?) H9 J" _6 h0 Y. i <statement sequence2>;
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else
% l0 q! L5 |* U. t9 A1 e <statement sequence3>;& E3 S, n& C p1 o2 c- E% R
end;6 H" C0 ^$ ^: y6 l/ h# F
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2循环语句
9 W2 b; \1 S! @. z' X; W (1) from <statement sequence1>
& ~5 }4 I; |' |2 p$ g6 G until <condition> loop
" V- r$ I# T! }- Y- Z" A <statement sequence2>;
) F( E: I* U( D% S6 L+ p& E& m end;0 G5 C5 W% \6 Q3 u( H
(2) while <condition> loop
5 c9 |: \, ~; K0 Z <statement sequence1>;
9 q$ s6 D( }. r, x2 S0 R9 L end;* J( M3 t: X" i6 o! ]
(3) repeat 2 K( i; Q' j9 V& M
<statement sequence1>;
: i1 c7 C8 A" z; p2 C8 d9 \, l until <condition>;# g f3 d) C3 v) @# g c
(4) for <condition> to <condition> loop
0 i& U7 d! A/ o( z9 J+ R: K <statement sequence1>;; N& r6 E% `" o3 O
next;
% X3 Z8 I6 q% Q8 J6 U3 `* {3中断语句6 @7 h$ M2 m+ a% `, \7 T
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
" h4 c0 U( \4 h7 M- J还有很多，如有需要我把资料发到你邮箱里
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