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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
# R+ {+ `/ j# Q/ x if <condition> then+ ] U; g S+ E+ B. I l& \( l
<statement sequence1>;
5 ^3 ^8 ?7 `' f: O t4 _ elseif <condition> then5 w6 ^9 h8 I- z6 \4 M
<statement sequence2>;6 J$ m' i. ?3 @) p6 s. i. T* c1 i
else ( w* O3 G" m" F" x; B, [
<statement sequence3>;; l; A! G. M* v5 o
end;, d1 `0 h8 w+ G8 v1 V
如果分支比较多，用：
/ Q$ f& T- r6 _6 [% ]' o inspect <expression>
1 {& R$ O9 V) ~/ `. Z when <constant_list> then5 e1 }' O9 ?1 c7 n$ o% y0 [
<statement sequence1>;
! l0 U! j" V S& X0 t when <constant_list> then
! H* m9 e2 \) M* j, r# X <statement sequence2>;
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else
. c8 A! q: X# C- \) l! h% F <statement sequence3>;% r' C& t2 u: C/ V5 V, e4 `$ o
end;
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; d% B t# B# P2 x: r9 N7 s6 @; r* x2循环语句- Q5 W) g! X# J+ e8 ?: p/ b6 a
(1) from <statement sequence1>
$ ?% b: P# b" a. `4 N- p+ N0 l until <condition> loop
) S- S* m0 o9 e2 w3 X' R <statement sequence2>;% d9 D/ A# _( C4 \) y/ h# g
end;5 a- X B. p! w
(2) while <condition> loop4 H3 g6 I4 A q& o" W, E( c W k
<statement sequence1>;( C8 P. v, ~/ N
end;
3 z! i6 p z# l9 a( s (3) repeat 0 k: b& |9 L. l( q$ p
<statement sequence1>;6 i- {" i. t% a! m/ a- M
until <condition>;1 C4 G4 m8 t. F$ E' J1 o3 s+ n0 m
(4) for <condition> to <condition> loop0 E5 _4 f+ k, K1 u# A
<statement sequence1>;
" @7 x) d2 R' g9 @' g7 v5 F next;) {3 }" S E/ p s9 b& h6 I) @
3中断语句 q, j8 G& E3 y3 ~& E
waituntil <condition> prio <integer expression>;, i. v4 {9 g" v7 Y! a% E
. @* b2 B ]. P: E; C, t/ @ r
! p% f/ C1 I$ O0 r% a以上为常用的函数！7 I) X5 V. G7 B0 V1 q* t/ l8 z
还有很多，如有需要我把资料发到你邮箱里
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