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发表于 2012-11-13 08:48:12
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1判断语句
3 Z2 R7 `) `; y! K9 W7 e if <condition> then9 g+ e# q/ r$ _" v
<statement sequence1>;9 Q# L/ z; i2 q3 S
elseif <condition> then
6 m/ H( B. y8 G2 g* O5 C5 P <statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：
: s' U- d0 e3 e* u9 ` inspect <expression>6 x [' n2 o/ n$ S2 B
when <constant_list> then( S- A8 [3 {# u: {2 n
<statement sequence1>;: B2 ^- t8 h; f3 G! X
when <constant_list> then5 o# W E' |( t. v, Q1 L* p
<statement sequence2>;& h3 b8 W8 X2 W! G' Z7 }( x, {
.../ k9 a: ]/ m# @4 o/ x7 P- R. E
else) i- B5 z/ p" V2 w3 C/ |" c' J5 k
<statement sequence3>;
& W/ {: A) t B& Yend;
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; Q/ k( ]" @% @4 P) ?$ B2循环语句
% O3 E8 Y" v0 k) c9 L (1) from <statement sequence1>
4 c( |1 i T, b$ _5 w) f until <condition> loop% _; M2 E" M0 K& D
<statement sequence2>;5 W# }" V0 r+ g9 O. Q
end;" ~3 _# @& E! d" W2 k! h- J
(2) while <condition> loop+ W3 ?2 ?3 | g
<statement sequence1>;9 f! q; a0 h) f
end;. _& X% p6 g) b/ t b; P* k3 B
(3) repeat
# g( s0 \ ]: T3 k) y, X" T <statement sequence1>;
# k; p2 r0 x: I" V until <condition>;. p* e9 Q2 I8 A) D
(4) for <condition> to <condition> loop r3 w7 H. ]' n* E( U
<statement sequence1>;
% M' `# p. j( z0 o3 {' U next;( h3 G( ?8 Z' A" h/ \1 U' y
3中断语句# b; B8 C+ r& g1 j9 y' _
waituntil <condition> prio <integer expression>;0 d8 C& D' B" W- R) j+ e7 S
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以上为常用的函数！
( J5 N$ O! F" D, `还有很多，如有需要我把资料发到你邮箱里
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