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发表于 2012-11-13 08:48:12
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1判断语句
2 ^. U, q4 M: |, Y* m4 i" R if <condition> then
3 }: X6 ~; F& F( H9 K& s( W <statement sequence1>;
$ p/ f1 o1 X: _ p elseif <condition> then5 i8 _( a2 w( r# M4 Q) v1 Q
<statement sequence2>;2 G; F2 P5 P1 B
else
, a* `& w2 X9 Q: x2 \( a <statement sequence3>;, u$ Z8 p P* U3 Q4 ]( x9 p
end;
# ?% g, Z# T7 m3 r. f4 j如果分支比较多，用：( F d t; @3 M. E3 M# L6 x
inspect <expression>
$ I) U' S" `# i5 F7 r7 C1 R# t when <constant_list> then0 ]1 i7 d* w7 B% d% `
<statement sequence1>;
+ x, }2 F9 p4 n5 s9 s' p7 v when <constant_list> then% _/ B5 R1 w9 r- \. Q$ j# R5 g
<statement sequence2>;
4 K7 ^5 v6 \" G4 i ...+ H( u0 r0 r7 G
else
* [- @, [/ N/ ]2 W <statement sequence3>;
* {4 [% f7 ^9 N8 eend;0 j% m" r9 _. H x4 u8 d- R
" p% E; ?4 | I5 j/ z2循环语句3 t- P- m {9 x
(1) from <statement sequence1>
! }1 O+ @+ f7 m# b/ P$ T& T until <condition> loop7 x& _& K+ P3 `# a! A- g
<statement sequence2>;! w4 q% ?7 x! L! _, r- ~7 O& C, D- {' D
end;
2 C6 g+ x q; Z; Y1 Z (2) while <condition> loop
, o( m. w# p8 \/ v/ l) A) V) g3 e* G <statement sequence1>;
3 R% r0 C( z7 z4 a1 A3 j# o end;, ?6 Q) c+ `; s' q% ~# t- a
(3) repeat
6 l" h* Z. C+ O$ T <statement sequence1>;
1 b; u @/ L8 H+ q ?" q until <condition>;
+ A" l, N0 C; ]5 t9 K7 f (4) for <condition> to <condition> loop
/ R C7 q9 Q" I% h9 q% W <statement sequence1>;
( ~6 t: i9 E4 O4 T% w( C9 A4 M9 x2 ~ next;. |/ d9 @# b5 E% H; l `3 f
3中断语句
1 l& j! } l; I5 {' W& s7 X n- s waituntil <condition> prio <integer expression>;
/ m" Y% ^& v6 b. `- |. r; X8 d6 s( y( v* B0 T
9 h: }* {* ]3 I. W" l8 z
以上为常用的函数！
) B9 L- M8 o, y8 H还有很多，如有需要我把资料发到你邮箱里 7 E; E/ _, Y) t9 N0 l
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