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发表于 2012-11-13 08:48:12
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1判断语句7 n7 B; N6 U/ m4 p
if <condition> then# n3 h% m2 @: m) ?' {
<statement sequence1>;" k5 p. S* [4 Q/ Q2 I' k7 w
elseif <condition> then4 h; Y, r# |1 T7 n( q: n7 z
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：, g) n# O, v% R: c- R
inspect <expression>
8 Q/ |. p- g* o! E# X when <constant_list> then
" _8 R) f T, i0 w8 r ^ <statement sequence1>;' J5 R4 s4 y) k T
when <constant_list> then3 X6 X4 S5 Z X1 c
<statement sequence2>;* H4 y: Q$ \$ a
...
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0 D) G o9 @! e0 K <statement sequence3>;4 h! v8 h2 i2 x7 e4 O) i# f6 p: M& `
end;5 n6 z d0 ~+ M, o4 s4 @' y* G
7 a' C8 c9 c j2循环语句
A3 f8 a& V+ Y ~# q (1) from <statement sequence1>
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<statement sequence2>;* e' {- j4 f/ o# Q
end;
2 c3 |' E6 ^* s! G) O (2) while <condition> loop4 o6 u2 U3 L# {$ ` Q# y a
<statement sequence1>;
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(3) repeat # D, T" b' t' ^8 o1 ]
<statement sequence1>;- }& G, A9 J6 p' @% Z- @) j
until <condition>;
, z+ N9 {( M1 p9 w% W" w (4) for <condition> to <condition> loop8 h4 r( G, L2 R8 l* R. G
<statement sequence1>;7 ]' C4 U0 v9 C9 m2 F
next;/ h; E2 [% T u& B& n
3中断语句5 \8 U) ]4 Y5 \8 e1 F$ k6 l
waituntil <condition> prio <integer expression>;' D9 E; }( J, C6 i3 Y: g6 u4 B
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}9 {0 ?5 S0 W5 z( q$ }% f4 ~以上为常用的函数！
; M( [0 `5 j8 f还有很多，如有需要我把资料发到你邮箱里
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