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发表于 2012-11-13 08:48:12
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1判断语句
5 f9 g( u X( s! A2 v1 E" b$ ? if <condition> then
, E4 _9 F* r% L1 p# t; b* s9 [2 S <statement sequence1>;
- T1 q; t7 P- A, }5 j; m1 C elseif <condition> then3 g: x( G6 j) a; d6 I' _
<statement sequence2>;
; }( R5 a- \) F: e2 k& ?/ X( w else
% R' A4 n& g6 Y0 ]0 I" L <statement sequence3>;
! M2 X5 I: d$ ] end;7 q8 \( v; Z6 v
如果分支比较多，用：, t0 q! S! z5 @& p
inspect <expression>/ A- I, } I3 `; y5 U
when <constant_list> then+ G* z; H; z( k ]1 s
<statement sequence1>;& c# m! Y/ E; [, L
when <constant_list> then
% k$ A' W; ~' N* W* x- Y <statement sequence2>;3 S$ ~$ _$ Y. r6 B
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else: ]6 C9 H% W+ g
<statement sequence3>;1 O b p6 ^) F, Z# L' x
end;+ S) R! |" g- \6 w7 j J, s
7 \- U: e( R0 f& X7 J. v2循环语句
( T" y8 J+ E+ ^# P* z (1) from <statement sequence1>
% b% F% `% P: ?9 r0 [4 ^$ ~, A- g until <condition> loop
7 l% \- l) P; v* d0 c U2 f <statement sequence2>;! e' p: C" m" ^. V7 s4 Y
end;9 r/ h8 i0 C \8 u
(2) while <condition> loop7 n. t) c! N# [ T2 \ P i8 ~
<statement sequence1>;/ w, N+ R; k6 C( |, H
end;- |0 i0 R) A3 b8 o Z" z# w3 m( Y
(3) repeat
9 |, s, E" ?" v5 n4 W# D <statement sequence1>;
& Q* U" ^# l1 Q0 H2 E until <condition>;
* t. ]+ ~& e, w. C# b8 v (4) for <condition> to <condition> loop; b7 d/ ?9 I6 o& c! A. i4 g9 Y2 u! c
<statement sequence1>;
: G# f2 ~7 {: F k$ @ next;5 q/ |, ~7 t4 v
3中断语句1 I, V3 Z" W7 U! e$ N! q. m
waituntil <condition> prio <integer expression>;
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以上为常用的函数！+ i7 L* h0 T& j5 x
还有很多，如有需要我把资料发到你邮箱里
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