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发表于 2012-11-13 08:48:12
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1判断语句
5 ~* S! I0 N8 m if <condition> then4 s6 b3 i* E2 H( D$ s3 P
<statement sequence1>;
! z8 @* G' \3 t o |2 H elseif <condition> then
: x9 d, ~% S4 J/ ?; A8 O# ] <statement sequence2>;
& r4 J& X5 I1 c R8 [( @ else
$ P% V" R4 M3 ]1 S4 X3 P0 N <statement sequence3>;
8 {6 K, `0 p. \4 j- Q% E% u end;
3 J( ^2 D# ?8 N/ G6 Q# e7 g5 U如果分支比较多，用：
+ ` j& t1 ^+ O! R inspect <expression>) q5 w' E- \4 I+ Z# z1 T& x+ K7 ~
when <constant_list> then
( b, G8 {3 e0 H3 ] <statement sequence1>;$ K" O( z5 w4 K$ o; e
when <constant_list> then1 ~" e( B5 K w$ I
<statement sequence2>;
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else! C: k0 J, K v: G0 |4 G
<statement sequence3>;
! {5 O S" T2 j- d9 fend;+ J3 j+ b% \0 e M( Y# X- f0 _
5 h6 E, P y' R' w5 t2循环语句2 E6 Y1 L& @4 K+ J) R
(1) from <statement sequence1>
5 O+ A) w& d* G! }- c1 } until <condition> loop- I2 M/ r5 b; h+ e: ?3 N
<statement sequence2>;& o/ Q1 [ ^' k. v9 H0 I5 b
end;
. E1 U, ^- ]( o l4 i t2 {6 x (2) while <condition> loop5 o; O% q `% ]( g( P1 m( \% |2 x
<statement sequence1>;
. ~8 \2 ?: i7 p! }5 Q1 _ end;( L: f6 |" r7 r6 d/ f- ?; u
(3) repeat . r& I# w3 ?# r) _
<statement sequence1>;
4 j# g# c; w0 p: H# W8 y until <condition>;8 t2 s8 g( ` v
(4) for <condition> to <condition> loop) }( \: v" V+ | M9 c$ J( [
<statement sequence1>;9 _8 v3 D$ ?/ }! b/ z
next;
6 E8 v) F, l5 \! Y8 {2 g5 {3中断语句9 q7 _. m1 O0 u# y
waituntil <condition> prio <integer expression>;
" v/ W, q& m. g1 n1 E9 n1 ]+ |: D7 `; o
5 p: x5 f |# \4 g" s! Z以上为常用的函数！
N1 |9 [& h0 M6 {- e/ l还有很多，如有需要我把资料发到你邮箱里 " Q( Z+ \) {( R
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