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发表于 2012-11-13 08:48:12
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1判断语句
6 h p+ h- l( n4 o if <condition> then0 G2 G, ]2 S8 _+ ?% t$ M3 c
<statement sequence1>;
7 k3 t$ ]. p# x- `8 o1 Q elseif <condition> then
( r- i @ p* ]8 Y2 {1 j <statement sequence2>;$ G3 q: Z$ z/ o) ?$ g# ^5 k
else
. O* U8 f2 Q4 z/ g, {; |& e8 ` <statement sequence3>;1 z) K. g. G# x" I) p$ F) G; e6 s5 e
end;
+ B, N! N- \6 U% k如果分支比较多，用：
' p% w* ]& U: s ~* X inspect <expression>& C6 X! b/ j- i4 w4 Y5 W
when <constant_list> then
- K2 v; q5 c+ c+ e( W7 q; E <statement sequence1>;3 W D3 x# y& w% q% ~( V
when <constant_list> then
6 [# o7 \7 n; y7 L# r, t! c) e5 N <statement sequence2>;
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else
! b. d3 l- E: ?# B. l <statement sequence3>;$ l' [$ X: O8 ^1 j) ?/ [
end;
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2 w* h* y- y, a, H2 M; f; h5 g- k. P5 W2循环语句: ?1 ]0 n% J) {5 g
(1) from <statement sequence1>
, D+ S- T+ y7 X5 E until <condition> loop
; O+ Q) a( \% F* u5 @7 q <statement sequence2>;9 [' d2 |# f0 N- D4 f5 W
end;: }$ J R) [+ g- ~$ f- i ^
(2) while <condition> loop( e3 x1 E! T& F6 `3 P- L4 S
<statement sequence1>;4 u% v& \" m) Z
end;
M* u3 `# c! d, ` (3) repeat
7 M: G( A3 a4 ~) Z7 n# Y <statement sequence1>;
& C& N3 I8 b: F+ M, v* u until <condition>;
: }( Y5 O% \8 `6 j' S- x (4) for <condition> to <condition> loop
4 O* t Z9 L: Z2 N8 t* w4 u <statement sequence1>;
' y+ Q3 M- z; v& ?+ T7 r next;2 G) F. i3 [' S% k1 T6 v
3中断语句( }" ]4 h4 K) n& N% l S
waituntil <condition> prio <integer expression>;9 \. I. q6 U- y* T5 B6 a
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以上为常用的函数！
" ]" Z' }5 v% V4 j% _还有很多，如有需要我把资料发到你邮箱里
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