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发表于 2012-11-13 08:48:12
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1判断语句
8 ~ Z+ U% |& q: o if <condition> then
& A7 Q9 j9 f' O) V2 S/ |3 Y* G2 P <statement sequence1>;
( J) B) Z9 D7 V elseif <condition> then, O0 w- o7 F3 }5 d+ g
<statement sequence2>;
( _4 T& s8 ]3 d* h) D& U a else
, S, G) N- l9 l1 b <statement sequence3>;
' h& n0 i% v6 W( T( n- v end;
. H! X v( ` d如果分支比较多，用：3 S; t* {: R: W# h0 z3 I
inspect <expression>
! F& a% {! v0 d! h) i" A9 c1 v when <constant_list> then( S7 ~9 X- `1 g8 e( F3 k
<statement sequence1>;
( d7 L! f! W' |9 v% u3 j) n9 j2 o when <constant_list> then
8 W# s. r# U+ |9 R3 v6 |$ _1 O <statement sequence2>;& E* K6 I9 g9 J8 g5 D
...
: H0 M. I$ x8 u0 h else+ {% G8 X% e; n, A0 ^7 b
<statement sequence3>;
* Z+ W! ~5 e6 ~, A1 P/ Iend;# ~7 n( L: X1 n4 w$ O
2 P+ g2 K4 Y$ M# I* A( s% K8 \& ^2循环语句5 s+ }: x* t$ G
(1) from <statement sequence1>
, A' r G' O! y4 E* W until <condition> loop
' C4 ^3 z; `, g8 q$ } <statement sequence2>;. s) o; F6 n( A: @4 u
end;6 E% v% J6 F0 ]8 O$ P
(2) while <condition> loop
( `6 r2 ~; y2 N; _+ G <statement sequence1>;5 y7 I& m. w* m0 k% r
end; u# t2 z* M9 E3 h c( D
(3) repeat
8 r" Z! [/ j1 b+ a4 O <statement sequence1>;; c" J. J0 H D0 C
until <condition>;
, j9 h9 f( H. O. m9 L (4) for <condition> to <condition> loop
3 j) |" j- i3 ^7 ^ <statement sequence1>;* Y7 o8 M$ C7 \
next;
1 D9 g2 e; w& \5 t8 _9 ?3中断语句
( E0 K `0 f( h! t4 w0 w/ b waituntil <condition> prio <integer expression>;
) v: I& P! P6 z8 _0 L9 b" ?' u$ p3 F% b# O( Y _/ t* u
3 V' c2 y" F, s: h* T以上为常用的函数！
0 k4 P* _8 {! I+ N. E9 c, U' M* S还有很多，如有需要我把资料发到你邮箱里 & m, b3 R, L# U1 W. U
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