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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
- p4 C. m' J, l+ s) D if <condition> then
) R$ e, E; a8 ~& `, m, y <statement sequence1>;
+ l5 h5 l* D4 }. w/ x elseif <condition> then
+ f1 L( @/ c+ t8 d <statement sequence2>;4 v2 X1 p. C0 S( a7 v9 h- b
else
* Y( Y; [; I; j! I8 r <statement sequence3>;
+ p/ y/ d T c' h, `# r end;: K' J9 l( C9 p$ z
如果分支比较多，用：4 p4 d; f M- L5 @# {3 n
inspect <expression>5 S5 o1 e+ I% h. y" |8 y
when <constant_list> then G7 d# J9 X1 L+ a* n5 U( O _
<statement sequence1>;
/ K ^ g! G+ D- H, B, v8 q2 | when <constant_list> then
9 o8 o F+ Q# r: A, i! T5 Q5 j* _/ T <statement sequence2>;% N C! _8 ]* T. G: E
...4 p* Q' w9 \0 W+ `
else5 {( W* R' `+ l) M8 ]; h0 w7 Y
<statement sequence3>;
/ ^) l. c, g# Z6 x" u# w0 z' Rend;8 W" j+ L) b! E6 L' T+ S) b
5 r1 f( W6 y5 z& ~, \2循环语句
1 c$ R i9 W/ G (1) from <statement sequence1>* C# ~, D5 O" r* H3 _
until <condition> loop
6 S& R$ ]( a2 |! l <statement sequence2>;5 l, @+ f, X5 A# I+ T& o0 T5 M
end;
* i' s: O& {1 p4 z (2) while <condition> loop6 M9 D% Z/ ?, E9 e
<statement sequence1>;: L) u1 n# L" w& R! ^
end;
V) {1 P3 W0 T. O$ m (3) repeat 5 Y! V2 F! C# V( R: G! z& w1 I) m
<statement sequence1>;
2 R* A( {7 t& u until <condition>;# F; Z& I. R6 r# Z- S2 c2 Z
(4) for <condition> to <condition> loop
j. I8 Z. {, c9 |9 Y: C7 f V <statement sequence1>;6 K2 |( e% b! E( }$ U/ s) h
next;9 |: p3 v7 A- R; _; b6 }
3中断语句
9 Y7 {& L! }" \# E- D0 M$ u8 A; n waituntil <condition> prio <integer expression>;2 j3 p+ ]/ f2 w2 F/ S& S
- N. B$ }; W/ Z8 v; U, a' }+ f; T
以上为常用的函数！
. P0 H% Z+ O/ e0 Q还有很多，如有需要我把资料发到你邮箱里 & [6 T+ K. s3 x2 m: @/ m8 v* v9 g
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