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发表于 2012-11-13 08:48:12
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1判断语句
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<statement sequence1>;3 f' l* d3 X3 B0 K. n) C
elseif <condition> then6 B2 ^$ A" C- `+ \9 R/ e/ T
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：
5 q9 M0 ]3 X9 x inspect <expression>9 P& o3 Q8 [: e; U% ?9 s. i9 [1 i
when <constant_list> then
2 ^1 l$ {0 ]" I* ~: q# H <statement sequence1>;( s0 v, c$ c& D" e; I
when <constant_list> then
$ w, ^( i' Y; {& m* p8 { <statement sequence2>;
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else. N' Y* d# v; S- w3 F$ A
<statement sequence3>;5 g) E" V( A4 |/ \4 C* ^
end;
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2循环语句8 G; d2 \; i# U4 I- e
(1) from <statement sequence1>
) c1 g7 p3 l3 G3 \ until <condition> loop
" K$ G% H5 |" i7 _2 i <statement sequence2>;
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(2) while <condition> loop
a. ?" z6 c' G! c <statement sequence1>;2 x0 C" d7 v3 M( C+ i( i3 J
end;' Z1 J% r# q6 }9 M. e- d
(3) repeat
5 n7 j7 V/ l& D6 z R! I <statement sequence1>;( |( }4 _ j+ U! _' C
until <condition>;+ g5 K! q# C; x7 M6 E
(4) for <condition> to <condition> loop
9 l" U# X J9 @5 f$ O <statement sequence1>;
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3中断语句' a) W8 \4 I# S
waituntil <condition> prio <integer expression>;0 c. t0 g& Z4 [ H! }; C
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以上为常用的函数！
2 N, _8 t0 H5 n3 D还有很多，如有需要我把资料发到你邮箱里
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