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发表于 2012-11-13 08:48:12
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1判断语句
5 A$ l7 q% G4 F if <condition> then
1 X1 Z6 z+ {- m3 [4 x <statement sequence1>;
) [4 ^7 a" M- W0 r1 { elseif <condition> then
/ B8 Q. U9 D+ K* ], N# \ <statement sequence2>;$ G% N. ^0 v) y# X8 x4 q$ o
else 7 E+ K+ {, ?: d; b2 L% ^
<statement sequence3>;
6 x' ~. U7 J3 P end;
9 ~! `- d4 O! g如果分支比较多，用：$ T) W, @% N" c7 J8 F" ?- m4 g$ V, b" _2 J* u
inspect <expression>
8 b5 H* L" W) `* R when <constant_list> then
5 n% ~9 ? I V <statement sequence1>;' ~5 f9 y( \; w/ U Z0 H. N0 Q
when <constant_list> then
0 ?; O, |) o! ?5 P8 ?+ ~: ^ <statement sequence2>;
9 a ~! b! E0 E5 `. w ...
* N. Z4 w+ X& l, _0 X2 ^& T else4 A- S# p' y$ _7 g8 L+ }
<statement sequence3>;
" ^" F1 | |' f2 `end;
: I# T8 w9 [7 E
4 d. o% |; G+ b4 K" a( d/ ]2循环语句
- `+ c" M! w: C5 g- Q( i (1) from <statement sequence1>, K: c9 w* L8 h6 h; R
until <condition> loop
0 e _( N% d, d2 ^ <statement sequence2>;9 |- J) d" H. r F
end;! J- }7 b1 k7 O* F4 ^5 f! N% P
(2) while <condition> loop
4 q4 ^1 d1 K @ <statement sequence1>;" P6 R% t. E8 N
end;+ k4 K) ?4 X/ \, T9 M/ w
(3) repeat
R, H! m" B2 F2 p$ j" O <statement sequence1>;9 L! f! u, j4 ?# n! A
until <condition>;
' I( G" w6 `1 ^ p (4) for <condition> to <condition> loop
4 j( y W/ j' F6 V4 {5 m) K# |6 g <statement sequence1>;
5 e( g, ^& x+ q8 s2 U- G5 O next; ]2 g7 f9 i4 g& v3 K
3中断语句
" H1 `( X4 @, _0 H waituntil <condition> prio <integer expression>;3 w3 Z9 p; D0 K. ^2 N% V
o, Q/ j. \, V% |# k* n0 Y- {
' T' Q. b& E, S8 e: q2 L
以上为常用的函数！
4 V2 }* y k& i7 D# k; v- Z W还有很多，如有需要我把资料发到你邮箱里 3 @/ j, ~. _+ o
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