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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
' s. E4 k; ^' W if <condition> then: G% A4 d) {& l9 D! x
<statement sequence1>;
% k& ?; M L2 W3 d6 q( L0 h. ^ elseif <condition> then y, E, i! `( k7 [8 Z2 J
<statement sequence2>;
+ q1 {1 L% u0 k5 e9 Y. d else ) ^& |# Z' {8 E8 F8 E
<statement sequence3>;
2 w! A# U0 c. [( i% U- o end;2 B8 e: V3 N8 w; C/ P
如果分支比较多，用：
K* y3 S" e8 a inspect <expression>
5 A* H. {0 ?: C3 P when <constant_list> then" x5 e' R( }9 a! P! B& K* O
<statement sequence1>;
# B7 ^0 F- }% c1 ?* }6 t$ [ when <constant_list> then3 D, Z' K, k' q8 u5 b0 v. I
<statement sequence2>;
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else! b# ?$ T" O# N' z5 e" g9 C# w
<statement sequence3>;
/ d; _$ B5 o$ K3 M' ?8 [5 X4 q9 P1 jend;
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2循环语句
1 b* I6 _' _9 Q, q: A8 x) n (1) from <statement sequence1>( }5 ^! D. q, X' A! h( {
until <condition> loop
6 n8 [2 h) E# | <statement sequence2>;
8 H, [ @7 [$ Z$ b# o end;
' x0 s9 ^6 Q, J9 z4 Z5 e) L' F (2) while <condition> loop* Q: ?/ d0 o( d! ?
<statement sequence1>;
+ i: j7 f- F+ X, F end;
) R+ C& X7 \6 S (3) repeat
: D8 a8 R- b' q1 |* v <statement sequence1>;
9 n" a/ V# J9 r! `: _ until <condition>;$ i! N% l/ x* I2 e% Q& A) ?
(4) for <condition> to <condition> loop
# l' J, K8 ]1 u. a& w <statement sequence1>;0 d% k1 ]& L& R1 h
next;
, L, O- J. ~1 K1 _" I3中断语句' G; b1 h2 z/ N; e2 s: {" V
waituntil <condition> prio <integer expression>;
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' s* |1 {( C. S' g$ W5 }以上为常用的函数！6 |$ G3 U4 r/ P' W4 `/ \4 K
还有很多，如有需要我把资料发到你邮箱里
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