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发表于 2012-11-13 08:48:12
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1判断语句3 }$ N: ^& G: D) c( t* g
if <condition> then
! ]+ X7 H/ t/ A7 s5 n2 { <statement sequence1>;
" l7 e4 s; B, d% t% ^! J& Z. f. r6 ] elseif <condition> then& r3 t0 U4 \7 n# U2 S
<statement sequence2>;
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<statement sequence3>;, J% e" p7 f Y, o6 L6 q
end;+ B- M8 I Z# j0 m- Q x6 t
如果分支比较多，用：# K7 u9 v1 h- f6 T8 v* ^) ~4 N* a
inspect <expression>9 P' s9 q8 G0 l# a- p2 U
when <constant_list> then
& n8 c# x \; m% ]% d6 H! e; x# d <statement sequence1>;
+ x6 q+ t, G& ^) h* F0 ^5 x# |' n when <constant_list> then
% [; s; p. I8 ` <statement sequence2>;
" V& m( }0 x. `% _! f. N ...
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<statement sequence3>;& g3 u8 h& {& w& {2 x" Z
end;1 y7 P, s1 G0 n- Q* v
- L1 `# X' C4 [+ f7 Y, u2循环语句
6 [6 p0 I2 B" A% P (1) from <statement sequence1>( f, }! y. B4 }* v6 x0 L( D o
until <condition> loop% z& Y V! z7 _! w* a1 f
<statement sequence2>;" o9 M7 s N- H7 q: t% {6 N
end;
/ D# W p- `* L/ m* T (2) while <condition> loop/ H5 ~( T! W8 Q, H9 d# l
<statement sequence1>;
# S6 I4 [; T+ z& z- ? end;
6 Q% y- S. {7 z0 B (3) repeat
3 m' e2 t3 h5 C3 E# V t7 D" h7 k <statement sequence1>;$ Q; A% Z B' r
until <condition>;0 o( S( L, x9 j/ B4 _1 u
(4) for <condition> to <condition> loop( E. r+ N1 @6 k1 X+ w( C! h
<statement sequence1>;, _, y6 w% M! Y7 Z( E
next;
# T6 V, y) H& D+ R' h3中断语句2 f2 a; z- a, ~- y4 Q) @- j! Z
waituntil <condition> prio <integer expression>;+ U6 j. a' C: `+ X1 I
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以上为常用的函数！+ f/ V6 G @/ E+ {6 k, a) s
还有很多，如有需要我把资料发到你邮箱里
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