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发表于 2012-11-13 08:48:12
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1判断语句4 g* f7 s& H0 _1 N% n
if <condition> then5 y& H% P8 m5 o& K8 x3 K
<statement sequence1>;+ m: y* p- I+ A5 H: p! H
elseif <condition> then
2 p! ~$ f" s+ k6 ?& V <statement sequence2>;- Y. ]1 Q9 T- X1 k, t& W- D7 B W7 h
else ( A5 W/ d6 o. e p0 ~* X1 z
<statement sequence3>;7 q3 Z. F5 W, u( C$ T
end;
% _6 _4 D4 t/ q" l; R Q8 d如果分支比较多，用：
4 |; f3 e1 m1 w7 e inspect <expression>% {! q9 n( M4 m+ {) U) f# _
when <constant_list> then+ x7 S \: H0 n- j
<statement sequence1>;
' S3 F; j( l+ R) r# _ when <constant_list> then# ~% U1 J) o/ u) l$ A" m
<statement sequence2>; S! M) C/ S* A* h. x1 j1 j
...
3 ?. f+ _0 Y7 W( b: J Y, z* a else
_7 k$ D' H/ v8 q( I2 F <statement sequence3>;5 w% V3 |: H5 x, v
end;3 G0 |) B& d$ G! x
( e# p& |5 B% |# h, |9 k2循环语句; I( o- n9 t" G! ~, s
(1) from <statement sequence1>( ^7 G P5 K7 A, y
until <condition> loop4 B. q5 E; B/ A$ j; W3 o2 X+ C& X
<statement sequence2>;
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(2) while <condition> loop8 l) G I& w0 ]# \, |
<statement sequence1>;$ ?) W- A* `+ k3 d& @7 V
end;
7 D$ i- Q( V5 A: d$ K- ~8 d$ U3 `7 k$ s (3) repeat 7 [+ r# Z- N; `# i W! e/ A, D
<statement sequence1>;3 ], o* s* P6 l% l8 c! f1 A
until <condition>;
! S! H( S" Q3 Z- E! n% w( p+ O; ] (4) for <condition> to <condition> loop
7 `1 d f1 {+ t' ^) ~; ^, l <statement sequence1>;; `$ W$ \9 j; S1 H/ X. f+ G) G7 h0 n
next;6 l( r- M, |7 p6 o' v
3中断语句
5 d' J9 k. R! Z8 H3 ?7 }9 m, \ waituntil <condition> prio <integer expression>;6 A+ H5 P; r, c' G6 [; G
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以上为常用的函数！. O5 a' D4 x# X7 l2 t9 `
还有很多，如有需要我把资料发到你邮箱里
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