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发表于 2012-11-13 08:48:12
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1判断语句
. _" r+ L: X2 h4 N. _ if <condition> then# q9 t `+ H! p& D/ g* ]- S; g+ E
<statement sequence1>;
. z7 \, A& M$ T& o- {, L E elseif <condition> then0 _3 u# |7 {- Z! b
<statement sequence2>;% N( P" k: N# Q1 D+ Y
else - Q3 |0 @( Z# ^4 N
<statement sequence3>; m8 e; K; O7 W
end;
0 i% E+ |) s9 |/ |( B如果分支比较多，用：) a7 Q/ R; L2 V6 M% B" K) e8 b5 [ B
inspect <expression>
* @* V, A$ \. H2 ~, v! Z( z8 p5 y( e when <constant_list> then
! F: g( |5 \+ s( t <statement sequence1>;
- @: n/ c6 ]6 |5 D9 D when <constant_list> then
3 J- a1 x) M4 _. [2 M5 G7 W5 M <statement sequence2>; F# v4 }0 O4 Q8 Q
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else0 ]& l- l* b, a |8 m
<statement sequence3>;
0 W; A2 E8 \" }5 V& zend;/ e0 w4 B- Y& b9 Q4 s+ N
; z) ~& o D [2 K( u2循环语句
. S% K$ c# P! z; q- y- ] (1) from <statement sequence1>
8 G# h% Z2 Y7 _# z until <condition> loop
% w% T3 f! d% i <statement sequence2>;5 H- ^" c2 Z3 y, ~% q6 W
end;
' K3 N$ l; ^/ d (2) while <condition> loop
9 _7 \( O9 d+ H- n <statement sequence1>;0 J9 f E j A& ~6 y9 @" d* y
end;
; d4 g5 g. N6 v (3) repeat
9 J- r1 X( u w, T) q <statement sequence1>;" W5 ~/ F% q( @9 G t' ]
until <condition>;
3 Q, S; I$ A9 W- v( h3 ^ (4) for <condition> to <condition> loop
) ?; j% ?. j/ I8 R. i$ r <statement sequence1>;
3 f2 _! X+ c( a# o next;* n7 l3 e+ a# u
3中断语句
1 B% z2 T* ?! ^1 N( Q7 X+ t; N waituntil <condition> prio <integer expression>;
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以上为常用的函数！
) j# K5 O) ~/ r% z1 h5 H还有很多，如有需要我把资料发到你邮箱里 - N1 K8 O4 r7 H) `# S8 @0 T4 ^
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