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发表于 2012-11-13 08:48:12
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1判断语句
) \) Y' k( V9 N. Y& }8 Y# X, { if <condition> then0 x y; J8 a0 b) U' w
<statement sequence1>;" T% t& J. w. f2 r
elseif <condition> then/ t5 X3 V8 F( Y* V* x
<statement sequence2>;
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8 N1 ^3 o6 u- N/ |2 ]! `% E. v# X <statement sequence3>;6 F0 N3 N% \1 F- q9 A
end;
6 U2 ~6 H- b9 K' M6 [$ T如果分支比较多，用：2 E! Z' h: _: Y* E8 W/ E
inspect <expression>, u5 v1 b3 J( u% J$ h& h6 Q2 {
when <constant_list> then
( U$ b( Y5 w) ]0 M <statement sequence1>;# k) S1 f* f; n/ Z
when <constant_list> then M2 p' {3 h( G. p
<statement sequence2>;
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else
& l; U& E$ K2 P/ u6 ]7 o <statement sequence3>;; N( }/ B! Z4 a
end;
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/ o3 I! h0 q) Y) `; z0 G2循环语句
2 ^2 v8 f$ U9 l/ Y# ]2 z. | (1) from <statement sequence1>2 C( U& e' j% v2 _
until <condition> loop
0 C$ H7 o7 c2 U8 m7 e <statement sequence2>;: g5 h4 M( |7 z5 ] p# c" N2 ?
end;9 `" }0 ^6 @; ?0 w" _
(2) while <condition> loop
7 N- Z5 u* J5 o' c& | <statement sequence1>;" Z/ b% ]2 H' t" Z/ T3 w
end;
# b t: W$ k+ J8 [4 b (3) repeat
4 C6 u; {$ m. @) X <statement sequence1>;
. @6 [/ i5 O2 A: v) L until <condition>;
3 v: h* e" Q' t2 r- P3 }; ], ^ (4) for <condition> to <condition> loop
' S2 ~: r9 `5 D Y. p1 u1 c <statement sequence1>;( M7 F2 q) q1 U1 ], k1 M
next;
" n9 b( F, v2 \3 f$ b3中断语句
+ w& w9 x9 l: H, Z; e waituntil <condition> prio <integer expression>;8 M5 ~ H5 n9 y" |' S5 |
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以上为常用的函数！
8 N% U0 ]* \- g还有很多，如有需要我把资料发到你邮箱里
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