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发表于 2012-11-13 08:48:12
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1判断语句
, e; Z6 i1 F7 B, J$ R if <condition> then
7 x% i1 i4 I4 N1 N <statement sequence1>;
' [2 F ?& Q: l3 E elseif <condition> then
0 c/ I8 F: K/ c3 B6 ? <statement sequence2>;" o3 m6 x7 J" @3 K+ [ B
else
6 v8 F6 U5 t/ T, l7 q4 I6 j <statement sequence3>;
u- i8 d& M7 d" {3 t# b$ Y4 t end;
. d6 G( d) R/ E如果分支比较多，用：
' \! S0 x' l4 g- u- y j% \5 W- P inspect <expression>; D, n$ E( g5 ~9 l* k' I
when <constant_list> then/ e8 M- T3 m% H6 e4 |) g9 w" ^3 s
<statement sequence1>;% P7 z* W- m8 H9 U
when <constant_list> then
7 k& J( l0 ^/ C; }7 w: `. _! a3 Z <statement sequence2>;
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else" C$ b/ ~: y% a
<statement sequence3>;
, H3 J1 ]! l( V, U: e9 [end;) T6 k, ?" J3 E7 n
6 n* D0 _) H0 D }* G2循环语句
) {& [- _% j2 l. @% O (1) from <statement sequence1>( t0 K4 n3 T( j
until <condition> loop/ U4 [' w/ @2 Q a0 U0 V p9 I$ }
<statement sequence2>;
% F9 a; @. m5 m) @8 m* \; e6 R end;
8 y* z4 H8 a, e) D (2) while <condition> loop
! f% M- ~0 V+ M& j0 ~$ m. e! O <statement sequence1>;
8 d4 ^5 H* D0 d( D$ k end;
+ e" _* D% W) I4 x; v (3) repeat : p1 P# [* i- a2 }1 W
<statement sequence1>;% N8 w" m5 ]. U, S/ o
until <condition>;+ P3 B1 t( F! {9 L7 M
(4) for <condition> to <condition> loop; `) T* T6 g) M1 A! R$ z# V2 d
<statement sequence1>;
9 U4 f1 U! t% @4 U$ N* T next;
6 i( D3 v& Q) g4 t1 a6 O3中断语句; A- ?8 O5 p- P" P
waituntil <condition> prio <integer expression>;+ t+ `5 Q2 e1 X+ B
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以上为常用的函数！3 r5 W( `. P: Y! u+ ?/ y: T: k
还有很多，如有需要我把资料发到你邮箱里
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