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发表于 2012-11-13 08:48:12
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1判断语句
% G5 B* [4 e0 H9 I- P# o9 e if <condition> then6 F% E3 _+ k7 j \" q
<statement sequence1>;
$ Y- j5 t# {% F4 R6 z elseif <condition> then ]+ ]/ s& V& E( }" }& g
<statement sequence2>;; p* A: i9 F* c8 z* s% k
else
* k; H3 ?! B+ o <statement sequence3>;
& N2 B |' C/ n0 E3 w6 [ end;
# ?; o8 {. k1 k5 w& o* g% }如果分支比较多，用：+ L3 R* o; _( L, h8 f- z
inspect <expression>
; b3 P, J, @! w# h- Z, | when <constant_list> then
: j) K7 Q" K- b# z) O- f <statement sequence1>;- v$ z9 r! T* a& s: O
when <constant_list> then
1 w7 t( [# j$ |6 \, F2 [1 v <statement sequence2>;
, S* n: V0 ?) |4 h4 e% G ...
' j/ @8 L% q% S- f+ B else
+ o0 {+ K1 e' D0 N0 c5 l8 A <statement sequence3>;
7 ~1 ]2 N" t8 y; Rend;
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4 Y% j1 U! r- f# C3 V2循环语句
- G, h( f+ b0 _4 a* j. ` (1) from <statement sequence1>
) K% S3 ^! t$ ?! X! }1 w until <condition> loop. G; {2 `6 v# R, k6 k( O( w; v
<statement sequence2>;
# z% A$ r* M4 U6 ?. i9 ?, K) H* t' x! |6 R end;
6 T! [4 ^3 J# ^ F (2) while <condition> loop
8 K4 U% z$ u6 L) L+ e4 E <statement sequence1>;
* V0 s8 R% E- O, E6 S end;2 q K( `$ |3 ~, l
(3) repeat . x% I: J2 v) x( N+ Y9 E! y& J
<statement sequence1>;7 C) O/ r; @5 j9 M* d( f: H
until <condition>;7 h! u7 K1 }- E8 f, U
(4) for <condition> to <condition> loop
. U* r# s8 n' X) _) P' R. k6 d <statement sequence1>;
3 e% }$ w( _+ T next;
& `4 j ~5 w4 S* j/ W1 m3中断语句0 Y9 A( K: p2 R% n4 V2 @6 C
waituntil <condition> prio <integer expression>;9 D4 Z% h( g9 s% H$ a5 a( a) T
4 ^' u6 Y7 ?9 L2 X8 y p
, ^+ U" m, I# z: E. |" D以上为常用的函数！
& G8 N7 H$ I5 @ w% Z' f& w. S8 E还有很多，如有需要我把资料发到你邮箱里
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