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发表于 2012-11-13 08:48:12
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1判断语句
; F& A7 M* R) W: t; O if <condition> then
" f9 A7 h( d1 r6 h8 S% Y <statement sequence1>;4 O1 T, ^( M. u
elseif <condition> then
4 z: {& e+ B. ?) N <statement sequence2>;$ c6 a4 {' m( X* h' D7 |* B. S
else
% ]/ o; D$ r1 B5 `3 {5 I <statement sequence3>;; K# E, X0 _+ C% o6 `# a! _. D
end;$ Q+ A4 P3 _5 ~2 g
如果分支比较多，用：! n) H; I6 _: [2 H9 x6 r( j
inspect <expression>
. P N1 W' q. Q3 G3 w% e when <constant_list> then
2 u; {# v) R V' z <statement sequence1>;
! w0 h+ E L4 V when <constant_list> then
0 R0 `' M% Z$ E$ {) r <statement sequence2>;
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else" q* S. ]9 T% v) Q/ i
<statement sequence3>;
3 U J0 \7 s% [" o% u, x6 nend;
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2循环语句1 ]: `% o- P) g$ j) z6 P
(1) from <statement sequence1>
) [/ { I% v/ A3 N& p6 X- h until <condition> loop
+ h! ~; x% }; k7 x9 {3 ~: I <statement sequence2>;7 A# w( c7 W- o
end;
& K. ~6 p2 U% n. } (2) while <condition> loop6 A. R0 s+ J( }" K% m
<statement sequence1>;3 h, `, D0 f3 g4 L* E' m6 J
end;1 F- m) s: E( n1 K" A& i; M! I
(3) repeat 9 K& ^- Y0 a1 Y) m- O5 D
<statement sequence1>;1 @4 A* ~' j) G% d4 \6 P3 l
until <condition>;
7 e% h0 L7 I4 R* N0 a+ Z- | (4) for <condition> to <condition> loop6 `7 {, f( E2 n7 q3 m, r0 N! z
<statement sequence1>;
3 w; C" G3 N& e6 B6 ] next;' z& F# y: Z& O) }2 z0 O
3中断语句 w# E( D' W Q& P- S" \
waituntil <condition> prio <integer expression>;
7 V ~" q6 x4 p) Q( f# N, m
" j2 a* u! {4 o
! K4 E* b1 f2 x. m以上为常用的函数！
/ J$ D7 N. O" y' U还有很多，如有需要我把资料发到你邮箱里 . u* M( n) {$ h
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