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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
6 `4 T1 G/ a6 Q% K7 z if <condition> then
6 M' a" v9 i! [: q2 @! ^8 p <statement sequence1>;8 p h. o& J7 W
elseif <condition> then
( o1 H" x& I$ I% o <statement sequence2>;2 Z* H2 c; W* X) I
else 1 A9 z0 T9 ?: j& D: J9 d' s2 M; P
<statement sequence3>;; O, ]% a8 z* X& e4 Z
end;
) o/ G$ z/ y/ r* A; Y如果分支比较多，用：: _4 X0 [4 f5 n# n* r; N- P( K
inspect <expression># Q/ R4 J3 _7 E
when <constant_list> then
5 a5 X, e- V! t+ A- n9 g& N0 x <statement sequence1>;! ]: F7 `1 b7 y! s! Q" L# P
when <constant_list> then9 m+ @, U' J1 Y
<statement sequence2>;! i; s9 C1 x8 X6 b$ [2 S
...7 ~. Z2 e, B1 C
else
5 f' L7 r. R8 x# Y* ~ <statement sequence3>;/ h0 I; W- d4 i) T3 [
end;. H- M, L6 F: t. \- Y& h- s& R5 ?: j
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2循环语句/ [+ B$ x% F* B# r
(1) from <statement sequence1>. r% Q1 x* P$ _6 o6 H" M
until <condition> loop
+ }7 I- {) M8 f <statement sequence2>;
0 r* M1 H0 N' z% ^- w2 _) k end;
# ?' @, R a2 {' {% C( G (2) while <condition> loop
% V* o- r! L" |' O3 |$ V+ j. ` <statement sequence1>;" J2 h1 J1 h/ `7 U% H% `+ K
end;) H/ O: j5 p' D" S. Q( }% {9 k! T
(3) repeat
' u5 | W* B" x0 j3 ^ {; M7 f <statement sequence1>;' c2 j1 t# x3 b' {2 c8 X4 D! t& r
until <condition>;0 @1 F$ u( w6 ~! X5 s5 S
(4) for <condition> to <condition> loop
5 I% {) J* u3 j k. _9 n8 \ <statement sequence1>;5 Y) D3 ] q7 e/ g8 e! u: d+ }# x
next;/ T! u7 h. S+ w! ]; z
3中断语句
6 Q3 Y( q; C+ T& s5 u, _ waituntil <condition> prio <integer expression>;$ R+ G7 P1 g2 R% h; c% m: U
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以上为常用的函数！5 k0 i k8 A' Y
还有很多，如有需要我把资料发到你邮箱里
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