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发表于 2012-11-13 08:48:12
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1判断语句' |% Q1 _4 c6 k1 [* \7 k! r3 Q3 C
if <condition> then8 l% z" B' j$ i7 ?. N( W/ `
<statement sequence1>;
: ~! ?0 s$ ]! e E, g elseif <condition> then+ B8 I2 K) n! F$ K |6 |- ~8 H
<statement sequence2>;
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<statement sequence3>;
& ^! ~3 L0 E6 x o$ u end;
6 j; h) c! S. E, `) Z如果分支比较多，用：/ g6 W8 D. D. g( F' u
inspect <expression>) S7 k- C! T( m9 }' z) w: ]
when <constant_list> then
* S# v" S( ^: S0 i" h7 I) b) c <statement sequence1>;7 y) K& T* n8 O0 {6 k* _
when <constant_list> then" _! E/ T# [# {' B: s
<statement sequence2>;/ r" s' G5 ~9 w( ^6 N7 N) N
...
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<statement sequence3>;
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2循环语句8 M1 p- R$ r4 K% ~% N2 `
(1) from <statement sequence1>& W( _- C- H' E+ E- e! X
until <condition> loop
" D( t* `0 f I, ~9 p0 d W <statement sequence2>;8 z ?4 w5 u+ t& \) C
end;& @% G$ N9 v' y# Z( m8 g b3 J0 x
(2) while <condition> loop
\) ?; y% K- h! T- I& _6 A2 j; {" u <statement sequence1>;
0 X' g N! r8 x; Y& ~4 ] end;
8 g s3 I8 }& C (3) repeat 5 n4 Q5 x3 y4 J5 i t# }
<statement sequence1>;0 H* u( v6 h- }8 h; J8 t
until <condition>;
9 K' k4 [/ b5 M, O7 K+ ~ (4) for <condition> to <condition> loop
l& r5 ^* ?5 T. a4 P5 j <statement sequence1>;- t$ I0 O8 a: l2 g2 o
next;
8 `! L$ C" ]6 d* o4 o7 j3中断语句' ? a( E: F9 s! t6 r
waituntil <condition> prio <integer expression>;& m* Y$ G4 H" M% [
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以上为常用的函数！* y( H7 c5 |7 n+ L" W5 r. z- {
还有很多，如有需要我把资料发到你邮箱里
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