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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句. {6 d5 |0 Z, E4 k5 X. b; H
if <condition> then
8 e7 K. p3 W' q) C <statement sequence1>;+ |. Y, j( {9 E9 A! d
elseif <condition> then
2 @& t1 A2 C+ p <statement sequence2>;
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- j9 t9 q G2 d <statement sequence3>;
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如果分支比较多,用:) S( L3 v/ O) k* ?( o: O; Q
inspect <expression>* K# u6 m/ I, k; L! N8 r2 x6 s
when <constant_list> then- u( U; ^+ `7 }) g6 K- q5 `
<statement sequence1>;$ @$ ^% ] h- s7 C9 k8 m
when <constant_list> then/ ]. s7 _' {$ g0 x. O( ~ F
<statement sequence2>;
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else/ i2 \% q& O% ^
<statement sequence3>;4 e1 n0 }2 f& F" C5 c1 v, j
end;8 b& @3 H6 z s1 o* n0 H7 U8 {
4 }# L, E2 K# s/ J" J2循环语句 B1 I* y. k9 X6 P# e' i
(1) from <statement sequence1>0 |6 [7 v1 O! b8 e
until <condition> loop
/ v9 {6 [/ y3 { <statement sequence2>;
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(2) while <condition> loop
2 c. a, G: @; @+ `& s/ `' B <statement sequence1>;5 M; }$ I. N' S( ?: B
end;
, z1 k% @9 b6 I* `% e (3) repeat
- w0 s+ x/ l1 { \+ } <statement sequence1>;
' d3 J7 Z4 g. g5 y t until <condition>;
# ^$ t9 g1 b5 S" M( u" M (4) for <condition> to <condition> loop
+ h1 Z/ T& @1 k9 I( M5 n- j <statement sequence1>;! M2 w( `* S# ?2 i r7 l$ {- _' O& ]
next;+ L4 U ?! w {- m" P$ Z e
3中断语句- o' X' r0 z* D3 f7 g" k# p5 H
waituntil <condition> prio <integer expression>;
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% l( t, v) ?# J! W, u以上为常用的函数!- c7 C3 W& ~7 M. g( w! e
还有很多,如有需要我把资料发到你邮箱里
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