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发表于 2012-11-13 08:48:12
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1判断语句
+ u5 [$ _" O5 f, o) \ if <condition> then0 X6 |! L0 g" r4 g% L1 R
<statement sequence1>;
/ C i( S, Y3 l6 j elseif <condition> then
& A: E4 w3 Y" h8 g- s <statement sequence2>;. t3 K& e" v2 e
else
6 g5 b5 m* t; y" X/ E+ R3 R- n1 { ] <statement sequence3>;
% @. Y' I7 Y- w- z5 u end;6 b( ]4 r0 A( x3 w
如果分支比较多,用:
2 Q9 s* Q% I7 n* {$ T% k inspect <expression>( [. y! r$ i( ~. v2 Q) F
when <constant_list> then
; ] w& G5 i% v3 J% s <statement sequence1>;
" S4 _* c2 V" D( E# ]/ z% c when <constant_list> then
0 x# f# ^; |0 x9 j <statement sequence2>;
' q+ j: b3 `* \9 [ ...
# y& g' r( H& b& x h else
; Y* ]4 n. U1 Z. z <statement sequence3>;7 B4 l( D& P! n8 d2 U
end;, p- N% u9 y& j% K q4 k0 V
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2循环语句$ e" z. ]: P; |; n6 C
(1) from <statement sequence1>& U% B+ I: X/ z7 }; ?$ g
until <condition> loop
, ~3 v- Z A4 T <statement sequence2>;
6 m7 i9 d7 z4 t end;
" y" O! [5 z) T$ \& ]( U8 S (2) while <condition> loop$ j9 l S2 p7 u: V) K; d$ L$ w
<statement sequence1>;: F7 |3 i$ X: r" u2 |; d" |2 Y
end;$ g& c7 `0 M3 p% d- E3 \( H( k
(3) repeat
! O/ T. N8 s+ C( g6 G <statement sequence1>;% L! x2 T9 `5 l- b( g
until <condition>;
, P* |8 r' x# W; P3 O! w0 y$ | (4) for <condition> to <condition> loop
/ M. g+ i, o$ d/ \: W8 }9 } <statement sequence1>;; U v f0 S; p2 f8 v
next;& ~# n6 W2 H* d3 r' c
3中断语句7 D( \% J1 v/ A! D+ E: U
waituntil <condition> prio <integer expression>;
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5 F1 z( L* M: x7 M以上为常用的函数!7 n! a" e. i# u1 w1 S9 }9 z5 m
还有很多,如有需要我把资料发到你邮箱里
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