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发表于 2012-11-13 08:48:12
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1判断语句+ c# B% u/ [6 V: e; E! j
if <condition> then
0 P$ D3 `! V+ [) ~! y <statement sequence1>;
6 T; {7 p+ m$ { e9 P r+ L3 I elseif <condition> then$ L5 b% I6 `$ T4 T% a1 {
<statement sequence2>;: e/ o4 k5 F& _( N6 H5 Y' z
else
& @- F A' x3 a0 p* ~ <statement sequence3>;+ R/ r( ^8 E: l$ H& M( D
end;- A+ ~. X7 F, f3 E2 K7 D
如果分支比较多，用：# w8 n d- V. f3 @2 H0 @# D
inspect <expression>" c, ^5 s1 i2 }7 o- ]) S+ p: d
when <constant_list> then+ {2 X: i! K2 |; h* Y
<statement sequence1>;, a. @5 Z" B' @9 o) u9 ^- V
when <constant_list> then
8 M7 x: t* W0 v: \ <statement sequence2>;% S, K3 F9 p4 Q
...
0 y- ~5 w2 A3 P9 H# a6 p' W. v( q else$ [6 R2 d) c: l5 B& Y
<statement sequence3>;
" W1 Q9 C; h* X( Tend;
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' {) }5 e. K+ J6 r( T$ g! d, x& @2循环语句. Y i( ~. ]( v! s2 P9 E& _
(1) from <statement sequence1>
# a* \( h7 P0 Z) ?1 r' I) j# h until <condition> loop
6 {8 Y/ s* P" D' g j, c. r <statement sequence2>;
* Z/ k/ V/ `2 F8 Y4 _% C M end;
: z; p) R* ^( E9 E (2) while <condition> loop( s% M$ g* O- ?
<statement sequence1>;
7 z. m' J: S: O# s5 d end;, ~) x& @- n8 x& r/ a
(3) repeat ; ^' r: z+ u/ I6 ?5 d; L9 B* x
<statement sequence1>;5 B. F( y+ f0 l$ |/ f9 C. O
until <condition>;
: x- w7 \; J7 X: K& S, J (4) for <condition> to <condition> loop
; g7 m( |# G# C# y9 | <statement sequence1>;
8 N. T1 x5 _0 T6 i next;
# Y5 M& G# H" ^- k5 m3 `3中断语句
' z" t: k+ f2 q; f1 N0 K waituntil <condition> prio <integer expression>;
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以上为常用的函数！: t; c% C0 X3 R- O7 K0 i( X& \
还有很多，如有需要我把资料发到你邮箱里
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