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发表于 2012-11-13 08:48:12
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1判断语句
) C0 x' |5 u. i: E- }) e2 w" t7 s4 u if <condition> then
) d9 y9 N; ]2 [+ _+ |- S$ r9 b <statement sequence1>;
" X+ l& R \7 \* r elseif <condition> then6 W+ N& ]! T' {- }( l
<statement sequence2>;2 A, u4 E N& I9 S& z
else
! G5 I* C0 E. D( f* B <statement sequence3>;
7 w j3 h* F' t. E) G* r# ^ end;
1 h- v7 |, L! T如果分支比较多，用：% g) L0 `% [9 [1 d% o# ^
inspect <expression>
2 l, Z$ L8 C, t0 w9 ~) ?) I& m+ E when <constant_list> then
3 j% X/ P4 Y5 |0 S; X4 b <statement sequence1>;
& Q! i3 q# V* G r when <constant_list> then5 k0 s/ ^# u( E, W) M- C; K' \
<statement sequence2>;
4 ~" p: N" S- Q4 d+ x ...
. _. X$ r! U3 W" U else2 v1 Y; M# G+ ~6 z6 [. Z* s
<statement sequence3>;) a7 D ]6 D) r1 Q. U8 r: v& U
end;8 S: l6 y& \8 |" S' U( m! L/ n
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2循环语句& T7 e% w9 Y, i& g, F
(1) from <statement sequence1>
* p \7 o5 g/ T& q until <condition> loop
" N( Q: j( {8 r! p ` <statement sequence2>;+ I0 ?, N7 D0 h# \0 f; `
end;
% }& c1 B" ?- ~5 E( q1 h (2) while <condition> loop5 a0 x5 K) _+ `* ]: n9 b
<statement sequence1>;
0 b3 X$ J/ J% k4 k2 _0 {$ M( o end;
9 E: \ Y1 z( ]- q1 {' { (3) repeat ( ?5 C) e) t! ?1 p1 Z
<statement sequence1>;& O7 ?" m$ M! o+ S, p. x
until <condition>;5 m$ {; b1 B. W0 r2 z
(4) for <condition> to <condition> loop
/ E( I) i% b) K; A <statement sequence1>;5 b( O" u- G0 c W4 x
next;* _, }6 w+ J2 f
3中断语句
. A ^3 d1 C: l0 |) R% J! e; I, } waituntil <condition> prio <integer expression>;
' I( c# Q) m# y! ]* B' o. q) x7 T7 V2 D8 @3 ?. [2 O
: c$ ]! a9 u8 T: G4 _以上为常用的函数！# D0 m$ f/ |/ G- Y4 [: U$ W- O' b
还有很多，如有需要我把资料发到你邮箱里
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