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发表于 2012-11-13 08:48:12
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1判断语句
* A& K4 T/ H" w8 F8 [ K& z& T if <condition> then' i% z0 G. g' e) ?
<statement sequence1>;
$ c/ E2 j9 E5 l6 D; X6 R elseif <condition> then
/ X2 I# P! \ M% @+ J( U6 Z" n <statement sequence2>;& K( c7 a) Z% G ~) l1 V! H2 l
else
6 T/ `6 m0 c1 Y+ t' r <statement sequence3>;
/ G! E: S. v0 G+ ^, ^ end;' U. B( s' N/ l( q& j0 i0 A' k
如果分支比较多，用：: r+ [" j: k- p6 d% R
inspect <expression>$ K ?! A0 I1 ]6 u6 g
when <constant_list> then: T3 d% J* F1 e5 L q: o. B
<statement sequence1>;0 f# F& H5 R( D0 X
when <constant_list> then& J3 T `2 r' h5 ?, C
<statement sequence2>;% U& V/ N* N# M- B
...8 z, W) U, j7 @8 R$ R3 G
else1 k7 t7 a C& M" B* I: j# p
<statement sequence3>;
# }. B# R( [8 Qend;
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2循环语句
6 ~- L/ v5 G% u% u (1) from <statement sequence1>
9 A0 i2 G& t# F" X: g5 M until <condition> loop
- s0 z! d0 d5 A4 a <statement sequence2>;3 s7 h$ r; |' p" h9 d
end;1 e7 y9 E4 a: D7 R3 h9 [( C% w
(2) while <condition> loop/ ~# X) Z4 K2 U& Z
<statement sequence1>;
, e' O0 ?( E7 q4 A7 d end;: k7 k2 _! a$ R1 h# W
(3) repeat
( p9 D# @- ?. ^9 J; x5 z <statement sequence1>;1 r- I$ n7 u" ?$ q$ F6 w% V
until <condition>;
" \) Q, L% T6 x! k (4) for <condition> to <condition> loop, D# J8 p+ g! H- @" \$ G( Y
<statement sequence1>;
2 ]- v$ V5 v; [2 Y: ^ next;+ T9 o6 `$ B( w
3中断语句
# T/ T+ n4 B* ]2 H) _/ O; H waituntil <condition> prio <integer expression>;( @! j% n4 `! @" z. s& v4 y
8 }8 {3 U( y/ X4 o; ~
' `# h4 u& m- U, j以上为常用的函数！
# ?) w) Q, x* k0 a6 u还有很多，如有需要我把资料发到你邮箱里 s6 }+ q3 ], r6 P; o
+ l3 E) w- D7 J9 F* `# N- z$ M/ D8 ^4 F8 z
# L& }( |1 u0 m( K! x' Y, n8 X' z( y1 E B2 I
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