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发表于 2012-11-13 08:48:12
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1判断语句/ @( n+ z5 V/ y) l0 E! ?
if <condition> then
: C& Z8 w5 w2 r <statement sequence1>;
3 Q) X# u+ z' E ]* T elseif <condition> then
2 O' ^( x3 p0 W8 N" J <statement sequence2>;, D8 @; L. a7 Z8 U
else 8 n& W. z6 k& `8 I0 d! L/ u* f
<statement sequence3>;+ @% P" P' m0 u' s0 A. l( S
end;
9 _7 w* E1 Q0 l5 ]/ O) j9 ^5 Y1 T1 D, s8 h如果分支比较多，用：
+ C C1 i/ n( O8 B } inspect <expression>
0 P6 V2 P2 w! ^8 B- i: I T3 B/ _ when <constant_list> then! I+ z* W9 _$ h5 i* f9 r4 c& P
<statement sequence1>;
3 x! X9 {/ R. M9 X when <constant_list> then/ q$ [3 |2 G) _2 x, _! [3 ]0 _; y! w
<statement sequence2>;2 y. {/ g. F, \/ g* z( N
...
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<statement sequence3>;% w( ?/ M) y. |/ u
end;
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2循环语句# X+ \ c. E2 A' @: G# \- X3 `
(1) from <statement sequence1>2 L$ D8 k" ]& K# I8 n8 p3 F# X
until <condition> loop
& Q2 {' i0 b8 O* c! u; T <statement sequence2>;: p& _% E5 p3 n
end;
9 ~/ v$ a3 L6 O/ f (2) while <condition> loop) w: ] X( Y% Q+ n, E" u B% u7 s
<statement sequence1>;* P, ? t. o; q, r, Y0 ]
end;
( d% M7 V$ f( v' j: J4 C (3) repeat : t' T( @, Q& C3 ^, ^
<statement sequence1>;
( C' n& Q4 A/ | until <condition>;
4 w( ~# o/ Y+ r; i8 M9 k5 q# J, b6 c (4) for <condition> to <condition> loop: D ~& X0 }' s) `- k% D+ z: ? t
<statement sequence1>;
5 ~0 e. |$ |, V& b' G! c! [ next;
3 K* o) B( e( g9 G! D. N+ G5 U3中断语句$ }- c+ S8 @5 b
waituntil <condition> prio <integer expression>;
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+ G- [6 Y( J& R s9 n7 e% c以上为常用的函数！
& [- Q; n' g8 @( V- S- S( A) i还有很多，如有需要我把资料发到你邮箱里
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