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发表于 2012-11-13 08:48:12
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1判断语句 J) G5 [: P% e8 P
if <condition> then2 q8 k" c8 [! X& I
<statement sequence1>;0 Y6 F- }$ n7 v: e' P K; C' ?
elseif <condition> then- w P+ N, c+ w6 h7 n' R8 H
<statement sequence2>;
5 p. H, C. P' y1 j" G else
' t2 K( m5 m0 E3 H <statement sequence3>;
8 I& K9 K4 x/ f# Y$ D9 E5 H end;/ y! d/ W0 {( ?
如果分支比较多，用：0 V+ I/ r5 e% m6 x. U
inspect <expression>- k6 p7 W7 n, V& K# D3 m3 p: u! G
when <constant_list> then
u* I9 g6 `8 x8 _8 J0 Z <statement sequence1>;4 C& u7 ?; P0 g$ G0 R5 h
when <constant_list> then
9 p% e) R1 w' n; A& ^8 j <statement sequence2>;
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else
' @9 R6 P/ H4 n7 s! }% c5 X <statement sequence3>;: m5 n4 S1 \& l1 }- N$ j
end;* p7 r: x3 }( D
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2循环语句5 U& b; d; J( a# z. P) |9 X/ G
(1) from <statement sequence1>" O2 {& C' R0 [( r3 ?
until <condition> loop
- y! L5 E V* W8 P! Y4 _ <statement sequence2>;, l: y. X4 p+ N9 k/ ~, f4 e
end;4 Z1 B# B( Y0 K8 p/ a
(2) while <condition> loop5 n- ?& P/ ?. W
<statement sequence1>;7 O9 w9 j) H$ S& e1 w' E" C, n
end;! u* }. y% m5 ^7 _0 ~- S* X
(3) repeat 5 b3 Z' [1 e+ _5 |
<statement sequence1>;5 t* b" C! d8 H b
until <condition>;
4 U. B) Y7 E8 `: i5 M (4) for <condition> to <condition> loop7 k* B) A( y5 x- z" a- Y# _( h
<statement sequence1>;
+ ]3 ?! d. Y& E, ]! y next;# g, @5 M. O8 F
3中断语句
7 U7 c1 b4 Q0 u3 t waituntil <condition> prio <integer expression>;4 z- p* H8 {6 ^! O# F$ F) }/ ?! F
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{9 g* \: r7 S7 ~- G1 H以上为常用的函数！: G# v7 @# m N8 D
还有很多，如有需要我把资料发到你邮箱里
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