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发表于 2012-11-13 08:48:12
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1判断语句- E: s! `8 P O* F0 Z9 j8 F
if <condition> then( @: b' O. A' s
<statement sequence1>;
! Y- Q/ ~% d7 H ]/ ?9 j- g elseif <condition> then
5 v6 M$ M; x7 v, T z' X- a <statement sequence2>;7 S0 H1 s9 Y D& U. ?7 k8 \: N& z
else
7 O" \6 C/ L, L- z <statement sequence3>;6 \' S z. K4 D i( }
end;
* q: b- L) |0 m如果分支比较多，用：
/ S! u# _; ]# V* m: }, d8 m inspect <expression>0 L' _2 J, T3 a, s/ U
when <constant_list> then
+ ^7 P" t& s' P. |$ t <statement sequence1>;
~. Y3 \5 c9 o5 i when <constant_list> then2 o# E1 j* V8 i" S/ |' S$ b
<statement sequence2>;
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else: w G; ?2 Z- r. ]
<statement sequence3>;
; n. Z V, m. i# Zend;
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2循环语句
# E8 Q2 Q3 v/ @8 y& s2 T! L% W (1) from <statement sequence1>. f7 E. v" P ?5 u' s+ I: M0 o1 V) F0 s
until <condition> loop [' o# H& U+ J
<statement sequence2>;
' v, X1 z3 C0 Y, `& F& H end;4 z5 k0 o. X+ x) N1 |
(2) while <condition> loop
/ N7 E K! H D; D <statement sequence1>;
3 S k5 O6 N' W end;+ H; @% p0 U8 @9 l" S
(3) repeat & {* [7 R. v4 w( N
<statement sequence1>;
, s" z5 i0 f6 W4 H7 N. e until <condition>;
& l2 L/ z* A6 E8 L, t ]% d, C (4) for <condition> to <condition> loop! b8 B h; U1 w; R# `
<statement sequence1>;
) t7 f4 h1 F3 _; Z3 h next;
2 q. K& u( a- O) ^8 e3中断语句0 x/ t8 T6 `9 g. }5 I' u9 e1 k
waituntil <condition> prio <integer expression>;
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' e& {5 m/ m, Q( h" u以上为常用的函数！+ b% r. l/ Q! a; m
还有很多，如有需要我把资料发到你邮箱里 7 p- T: ~% {# h- C5 N. J
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