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发表于 2012-11-13 08:48:12
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1判断语句
& O' P8 |8 ?& c# Z7 K& R if <condition> then, e5 G2 `# E9 R
<statement sequence1>;3 d- h% k$ Z9 V( K3 _
elseif <condition> then
. ~3 A) Y1 ?7 N: w: S <statement sequence2>;
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<statement sequence3>;- F h$ I3 j" E; p1 U. f
end;! p, A9 K- m3 u
如果分支比较多，用：- z Q9 v9 i$ j0 c; N. X
inspect <expression>6 ^ k! `) p, g6 g3 {8 ]
when <constant_list> then- |+ F' \5 o" q' d: @3 K
<statement sequence1>;9 S- O8 @; ^1 K1 V! n
when <constant_list> then" Q6 |1 n/ ?8 m8 {) l# ?
<statement sequence2>;
' l2 w; ~" C, F: J: _5 @. h0 U ...
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<statement sequence3>;9 q N) k* q, s2 w; b
end;5 D6 i; x7 c! X: l! f/ `
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2循环语句. {3 h, V$ x" P8 n
(1) from <statement sequence1>
( B/ N- b$ i! F until <condition> loop0 G) F$ c4 L. c, I" ^
<statement sequence2>;
+ f; y: g2 i: h: B end;! s2 W b4 `8 n# r
(2) while <condition> loop
& o/ y! c4 Z! y* `" u" q- E) x <statement sequence1>;: b9 y) u- U8 n9 {0 M4 ?
end;
2 N+ Q& k' T: |) A% j (3) repeat
( A/ d n# A, e+ s8 U <statement sequence1>;
5 r. i- x# A$ u7 f% k until <condition>;
+ c8 P {4 I: v+ i0 A' x (4) for <condition> to <condition> loop& b6 O- j, L) y2 l2 F$ U
<statement sequence1>;/ a H+ K0 B% H6 D S8 m
next;
8 J7 D6 J1 }9 O3中断语句
, H. P+ ?* C n! h( G( e waituntil <condition> prio <integer expression>;6 A: G0 @; H( N2 i( Y# A9 ~3 t C
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以上为常用的函数！( ?* U# G S; b @
还有很多，如有需要我把资料发到你邮箱里
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