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发表于 2012-11-13 08:48:12
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1判断语句
1 e) i9 t. l+ N if <condition> then" c, r( I! A. @5 P4 C
<statement sequence1>;
4 h0 A9 Z" Q( }7 r! q9 h elseif <condition> then
4 Y% e7 P) s; ], h) Y <statement sequence2>;0 [9 G% E" W0 o, Y* X% i# c
else - d4 J8 q# B. I( b% m# Y
<statement sequence3>;) Y4 }0 ~8 V- S3 }( S" }' Q
end;4 ?1 H C* T0 `2 `1 d
如果分支比较多，用：% o' k+ D4 @) [, f2 T' S& p
inspect <expression>
. y- X* B' K7 O" ~) W when <constant_list> then6 W$ Z, ~# r' F* j c
<statement sequence1>;9 h. K5 X {: r, n% Q
when <constant_list> then9 {3 F4 V9 l" @ w7 U1 T
<statement sequence2>; q) p! c: O% u ]1 Q# A
...
! ~9 e+ b& S* @0 x8 @/ \/ V6 f else
}, q9 h6 y3 X5 } X <statement sequence3>;
. @4 T/ s& _' S. {1 n' Z& ?end;
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' z, Q& W2 J _: D q. R: B2循环语句! b5 O y8 \0 h1 L4 ]* W# W: b
(1) from <statement sequence1>: T1 K6 g& Z. ] t4 ~: n+ n6 a
until <condition> loop0 l- m' ~! q0 B( t% R
<statement sequence2>;
: q; x0 z/ }; n- H' ~& O- j: u+ e end;1 {" T# U& J! p. u7 j
(2) while <condition> loop
! d/ n! ^9 Z' X, Q* {! W4 c" l <statement sequence1>;
0 f" D: H5 C! w7 D% Q3 x$ l4 U end;, U) Y: b2 B2 v: {
(3) repeat " [4 {$ _7 g* Z2 d; j. G
<statement sequence1>;/ K, n( I, v8 ~6 ] n2 h" E
until <condition>;
8 H/ Y8 {. L7 V& m5 ^' W (4) for <condition> to <condition> loop5 k& |* S8 X7 X* ~$ M6 N
<statement sequence1>;# n/ H* @, `# K8 n: z
next;: n3 [. z' j6 d# O
3中断语句
3 J. |9 W7 V4 ~ waituntil <condition> prio <integer expression>;
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+ @" e. @, h1 {1 o' w: X以上为常用的函数！1 g3 y" [* x; s8 d
还有很多，如有需要我把资料发到你邮箱里
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