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发表于 2012-11-13 08:48:12
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1判断语句
1 B, F9 e) G& Y4 I( E9 o if <condition> then- q& p2 P! u6 g- h2 K
<statement sequence1>;
/ W: n; N) }" R4 p elseif <condition> then3 f6 ^( r+ Q9 T2 V
<statement sequence2>;+ x. A e8 T4 k
else
0 \. j, `6 H6 ]$ A4 G <statement sequence3>;( g" W( \3 j7 J; z6 i
end;
0 T( P/ ]7 l. e/ r; K如果分支比较多，用：
2 q& t4 u4 u; k inspect <expression>& y8 A: Z( d2 k6 w8 e9 m
when <constant_list> then
2 w1 B/ E/ V' j Q2 P <statement sequence1>;
/ \- _4 v! I3 m; b when <constant_list> then
% o& r* g$ n* [6 P* h <statement sequence2>;. ~- I, d; m; e7 C- n+ {5 o( T
...
- @6 O @# U! I: A7 S+ p/ ^' L3 h9 c. d else- F9 Y) m Z7 ?( k7 s9 f
<statement sequence3>;* Q$ _, S/ A" S( C' k9 m
end;" M' \% O7 \1 u
% N9 `9 n7 `8 g2 I
2循环语句
) C7 A5 x9 d3 s# Q0 S k7 R. i (1) from <statement sequence1>
: Q) {% X$ r% j. i until <condition> loop
! }# h. g/ S; U( Z7 {' | <statement sequence2>;
* P1 D" D! o& x5 A& A" H6 `4 p end;0 b, w- s% @5 U; `
(2) while <condition> loop
2 r) K- f$ k5 z# v; J) p) x <statement sequence1>;7 E& O% b7 s6 x" r! k' i0 K+ @- ]
end;
, B0 b, N4 _* o; n7 p (3) repeat ( j/ t: r$ K) ~1 i
<statement sequence1>;
. \, _" c3 e6 e! R9 ]+ C2 R until <condition>;" r3 U$ ]# ?* N4 `& X
(4) for <condition> to <condition> loop; \! F2 I& D8 U9 l# c
<statement sequence1>;, k T ^5 ~' a- r2 x
next;
1 D' t7 S( G$ `0 M# U ]3中断语句) q9 @% W0 u4 s4 Z
waituntil <condition> prio <integer expression>;/ Z" j6 \9 b) g9 N
* R3 \' { F& C: E- l
/ U" }) G, l) j1 i; ]/ E2 }3 |
以上为常用的函数！
: }( |: ^% ?) \, y0 D% \8 D/ W还有很多，如有需要我把资料发到你邮箱里 % B# ]0 D0 ]. |: J- H: p% o
; a3 v9 b0 \/ t+ a
5 j# W2 @, d( M! K7 `) b0 L4 u# ^0 k) n3 q: l* g0 I* }/ x1 M7 `
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8 [ }" |2 x* a: Y i% ?; g- B# S2 A5 k' ^6 X
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