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发表于 2012-11-13 08:48:12
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1判断语句& r: L' U7 S' A3 ~ ~. t4 j
if <condition> then9 o; _ l& ]- ?3 a
<statement sequence1>;1 W9 _$ k! ~; s3 K
elseif <condition> then
# t" S' o) X1 \: \; |# X <statement sequence2>;
2 a( }/ L% o6 { else & p6 T \; y6 a" B8 \% ` \/ Z
<statement sequence3>;
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如果分支比较多，用：/ J2 l$ f, a, Z6 P: ]+ c: y) T! Q
inspect <expression>
' `. o5 ~) K, ~+ u1 { when <constant_list> then: D: s5 \3 f' f% {! |; y
<statement sequence1>;
1 m# P. O2 j" O7 f* j when <constant_list> then
4 b/ R7 b, n; g: S% G7 {- m <statement sequence2>;
3 |; o2 G' D! Q* A ...
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<statement sequence3>;
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2循环语句+ N" n' P3 T$ ^5 _0 ~" V6 f
(1) from <statement sequence1>
m8 K( B' `+ I3 O. C+ }7 e until <condition> loop6 B/ j0 q, q3 P4 Q+ ]
<statement sequence2>;
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(2) while <condition> loop7 K# Q! R/ v* R% ]2 A1 s
<statement sequence1>;
" {% G; d3 @, m# _ x end;1 V4 m1 C6 \( h+ q" c0 s
(3) repeat
8 \: Q3 w' y- b; e9 ~6 Y <statement sequence1>;
- G2 d# M* v+ z; \ until <condition>;. ] D5 T2 O6 r, M
(4) for <condition> to <condition> loop& C3 z! m9 C7 D, r3 x8 Z
<statement sequence1>;
1 v7 T2 }4 [: Q6 m9 o7 c next;
/ ?. {6 V. z7 e' I* u' j+ [$ J; s( m3中断语句/ R$ s2 H( B F q5 M9 C( {
waituntil <condition> prio <integer expression>;
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5 y0 B( `' `4 X9 M* }7 m以上为常用的函数！1 e: N1 V e/ v5 U( H5 f
还有很多，如有需要我把资料发到你邮箱里 . V; B1 c) X+ g
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