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发表于 2012-11-13 08:48:12
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1判断语句0 ?" d( K. U* D6 n( z0 y
if <condition> then' g- a6 @9 N% o3 G. I: N& s6 G5 Q7 e! _) Z
<statement sequence1>;
% n) n# M6 s6 i- \ O elseif <condition> then l+ O" r) A$ C2 N
<statement sequence2>;
5 k: q7 p, P3 I5 k else
' j& {& b4 Z- }% E! Q8 `$ C <statement sequence3>;6 n! G) |4 n' W% s' i
end;
8 p2 T1 F1 U$ T- P: N- [" k如果分支比较多，用：* ^! B; h# v( H
inspect <expression>& s' G9 _5 x' F! h3 p
when <constant_list> then* y; D+ n2 v1 h
<statement sequence1>;: P+ J6 V# n6 h) b
when <constant_list> then- g: v! Q& b; |; I8 `: W% L
<statement sequence2>;. A, ?6 B$ }( ]3 F. Y) U$ ~
...
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<statement sequence3>;! i1 L, j4 P) D8 a2 Y- j
end;$ J n+ y2 t0 K$ X& B7 k( `
2 Z/ I {& R( U9 ^' f) Z2循环语句" Q8 \; o) V; k4 r9 c( ]
(1) from <statement sequence1>: b0 q( ^( @" g% ~
until <condition> loop
: W5 X& L9 A* U2 x5 S, R <statement sequence2>;' G0 a$ Q9 N1 O; l- |$ C
end;: _4 j4 P3 F& Y8 v
(2) while <condition> loop; E9 m% Q3 C8 K* R
<statement sequence1>; z; |' `" R4 x r* z$ m) q8 y
end;$ K9 I7 p' x9 [6 c+ I6 T
(3) repeat
' L- J& c( Y3 \1 ~+ {* C8 ^: i <statement sequence1>;
8 \3 E: @" l+ I9 Z& S4 a until <condition>;
2 z" E* q1 c5 L1 ~9 Q (4) for <condition> to <condition> loop R/ K* e! U X* C
<statement sequence1>;
k$ |5 m+ c$ h* Y next;: w2 R3 q; S/ M- X& W2 v/ \
3中断语句8 f2 I# U5 j5 X1 u( n. l
waituntil <condition> prio <integer expression>;' S# a& C& S9 e
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( n' ?; g- C) C3 G6 i8 y以上为常用的函数！
/ N: e1 o* Q) T7 B还有很多，如有需要我把资料发到你邮箱里
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