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发表于 2012-11-13 08:48:12
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1判断语句8 L% V8 Y: k5 }* u! U
if <condition> then
" e* v$ [+ W+ k <statement sequence1>;
- X2 `# |" u6 f8 ] elseif <condition> then; C3 d3 {. R$ T
<statement sequence2>;/ F+ h, \9 s. `$ n; S u8 V) G. b0 y
else ! t2 t/ c# s/ I+ b" z
<statement sequence3>;9 B$ P4 k, Z. A2 m% z
end;
5 k( \2 z4 A7 }. a如果分支比较多，用：" H T- M, j( X; G: n. w5 N
inspect <expression>
( f! V1 y. o: T6 u4 H when <constant_list> then- K& \% {4 J k0 j) o$ |
<statement sequence1>;4 F; H: v! b; |5 ~1 ?; v* b
when <constant_list> then
?) C. c/ W) y8 z <statement sequence2>;
+ s, {( Z% G0 _4 u- @ ...
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<statement sequence3>;) x v! P: {5 ~$ }3 P* S% R+ ^ j
end;
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(1) from <statement sequence1>, n ^* d$ L/ ^: @3 ^% y
until <condition> loop
' c' v" W1 a2 R7 z" p <statement sequence2>;0 _% _: H) Y7 `0 h$ d
end;
0 W* O2 D5 r, |3 m. r (2) while <condition> loop
/ d" p5 G+ U( Y1 u. A <statement sequence1>;/ _& ^( ]; U' B9 ]: B
end;
0 i* M x+ W2 M' l7 c- S! f2 v (3) repeat
, t) J- R4 b6 ]7 O6 P+ R% s% y <statement sequence1>;* p, `! \+ K. w4 ^. C5 t5 L
until <condition>;
$ d5 S$ w D7 R (4) for <condition> to <condition> loop% h) x0 O3 k9 B% L
<statement sequence1>;
H: M* g1 s1 q4 w5 ]: t" M next;
% g) q% E+ Y. ?% T4 s6 b: k* S3 y3中断语句! ]2 }0 W, B4 z. g; T7 z
waituntil <condition> prio <integer expression>;1 L- \$ i4 L# h( I5 F2 ]
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) R" l5 n) |: P# B" ]( I! H以上为常用的函数！# Z B2 E9 {; s0 m
还有很多，如有需要我把资料发到你邮箱里 9 l. N" l& h w. e- m0 `
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