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发表于 2012-11-13 08:48:12
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1判断语句
0 y7 g7 U4 [+ ^; h$ Y/ ]9 s/ m if <condition> then1 J( E6 O. p+ Z, g7 Q" {
<statement sequence1>;" g) s& h1 E$ {% R! k& [% r
elseif <condition> then
$ n/ K" z: `9 k: D <statement sequence2>;) h. a) U6 O- b: R, D, T
else * C- \0 m' j( S% ~2 H2 ?
<statement sequence3>;6 l% N }! z {& S
end;5 U5 l' |9 Y/ Q3 w
如果分支比较多，用：
6 D7 ^3 h8 j! U+ K$ u t0 H4 Z inspect <expression>. Q! C) P- O8 T! R# ]! N0 L
when <constant_list> then. e5 H+ e0 H5 _9 u& D
<statement sequence1>;
4 x$ D$ w! N% ?8 R0 w/ G when <constant_list> then
6 g% ~% S q* h. l1 O; { <statement sequence2>;9 |" d7 P3 X$ C$ u( G! M
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else) U0 A2 ~( u* G( l. l' ?
<statement sequence3>;
4 ~8 m1 ^3 Z4 d, _end;
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% h0 B- o b8 w0 m; ^2循环语句
2 H* G# T& {& {$ P. Z (1) from <statement sequence1>+ U5 ^) z0 S/ `
until <condition> loop
! ]9 B% v: Y' `! p% U: Z( {. K, ? <statement sequence2>;$ Z9 n6 D5 Y1 y; R
end;# g. n" q f/ m4 E9 q
(2) while <condition> loop
$ @8 J' t/ _& T4 m0 F- a <statement sequence1>;& ~( T+ o4 A/ ]
end;
H8 Z. G7 i0 c (3) repeat * ?8 ]6 c, p: k3 T* s$ k
<statement sequence1>;
5 h' N% c1 R' Z: \: ^ until <condition>;+ R5 J8 m) }" T0 ~& B
(4) for <condition> to <condition> loop
' [7 E2 n) i/ J4 n: a <statement sequence1>;$ J; r, Y3 K0 x
next;
: @# M# }$ k1 b3中断语句
3 K# Q7 r6 @- j5 y- |. G! s! N waituntil <condition> prio <integer expression>;
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以上为常用的函数！
1 I4 f& m1 ~- V) d还有很多，如有需要我把资料发到你邮箱里
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