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发表于 2012-11-13 08:48:12
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1判断语句
' d* K, w" m6 u$ l% k7 f if <condition> then
5 T; L6 b" H* M" O. L% v3 | <statement sequence1>;
7 b$ J; b; a) k6 l0 ? elseif <condition> then; h4 @0 j( J7 A
<statement sequence2>;
M/ n8 ^3 J/ O% H0 l else
, B& |1 A* k! J <statement sequence3>;5 x. d% P* R# Q, K
end;
7 K3 _, {( S% s如果分支比较多，用：; M" v. u4 f" Z$ _
inspect <expression>
9 K# h1 P' J- v9 j when <constant_list> then
7 t( `% L# k( F <statement sequence1>;. X5 |% S2 y, |8 s
when <constant_list> then3 }* V7 r( E9 p6 t
<statement sequence2>;( S! q# V7 P" C
...
# v* a0 h# |1 ]$ e. ]7 M+ J, d) r: s else
1 ?* a0 ?6 q& r5 m" z( K <statement sequence3>;3 @* P6 U- O" f$ t" b5 m6 w; B
end;
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2循环语句8 v: k$ V y# ~8 O2 [
(1) from <statement sequence1>/ h1 G6 Z% m9 N( [6 z/ A- Y
until <condition> loop
" U$ u( C# G$ l1 A( ?# I) } <statement sequence2>;; O9 S* z8 m8 M
end;# p" I3 y0 `! l" A4 g
(2) while <condition> loop
/ b, m' P+ @( @; @$ O! s <statement sequence1>;
! f: e* f3 ~9 W end;, F- p' l+ l0 x7 W, ^9 T/ ]& N
(3) repeat
8 m% h3 s4 L( y; B! a! d. w <statement sequence1>;
5 ~+ i& I4 V6 s5 k* @* E until <condition>;
v* U2 {7 L- B8 x (4) for <condition> to <condition> loop
) u9 j7 y3 K, Q9 c, ]& m <statement sequence1>;
" U2 h- w& P; U- Q next;) k; W! ~) M% L
3中断语句
: N) |7 r4 x5 {+ G. N1 K* {5 T' n waituntil <condition> prio <integer expression>;
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以上为常用的函数！) r, H( @. J' Z" B
还有很多，如有需要我把资料发到你邮箱里
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