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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
3 z4 W: y% Y5 c+ H if <condition> then
6 Z* K+ Y# r p' L, I! Z5 {. g <statement sequence1>;
! U2 }5 Y/ O0 A) }9 l, l elseif <condition> then
+ P" C* ^& y6 b7 Q5 G <statement sequence2>;
' F9 c% R1 H* O$ M% R else / D, x- E! }4 `5 b( M6 a2 `2 z
<statement sequence3>;
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如果分支比较多，用：! s/ M* w9 @/ X" g# B7 n
inspect <expression>9 R, V! t/ F; f. o/ F8 p
when <constant_list> then
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when <constant_list> then" m- g# D2 |6 b5 P
<statement sequence2>;2 `$ u' \( W, L4 y" }
...
' y# a' x* M* R else
4 c( @0 k5 l- j3 f1 s0 _5 ` <statement sequence3>;
9 ^9 o; J+ S9 Q( d h7 E( Dend;
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$ e- e, @2 Y; T0 Y2循环语句$ U6 h) F% _/ ^$ q% J7 m
(1) from <statement sequence1>
" ? C! d3 q) a! x" ~/ l until <condition> loop
7 z! M! |# T! A$ V$ r# n <statement sequence2>;7 e/ p: f' Q+ q) `# N1 H7 c
end;
5 n4 l& f( W* ~: P (2) while <condition> loop
9 }# S- [% r: H+ A0 M" X+ p1 K: H <statement sequence1>;
' s2 \$ v6 a, |! ^3 O+ P end;- n& m: _4 h' ^; F; x
(3) repeat 1 d$ f3 K/ w2 O/ i1 W, {+ \
<statement sequence1>;4 o4 w5 n0 H+ Y ]" h
until <condition>;- f6 h% E0 {# M9 Q1 {0 q; ^5 e/ l
(4) for <condition> to <condition> loop5 ]" P9 ^6 @2 E3 R) j S
<statement sequence1>;
) X% I/ e. a3 s next;
3 d4 q; C: `8 O# \9 t3中断语句& F: t* r* Y1 _# V: |" P; {
waituntil <condition> prio <integer expression>;" ^* i) o9 ~, e
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以上为常用的函数！" B) R) K% G) U3 E0 l3 C5 i
还有很多，如有需要我把资料发到你邮箱里
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