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发表于 2012-11-13 08:48:12
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1判断语句
; G: D& `2 V2 h4 }" x, ^7 R' | if <condition> then/ x- z% {3 g m: O
<statement sequence1>;" f- F$ ^1 \# F; \2 p4 h
elseif <condition> then7 L' r* }5 Z# E1 o+ J, O
<statement sequence2>;6 n l d' w8 _3 Q' m- ~) F! {
else
1 t2 y% m/ p+ ^# h% j <statement sequence3>;( _$ M) T& d5 z7 a8 w
end;' O$ D/ N3 t0 s; Y: K$ |/ s: v* d
如果分支比较多，用：
/ ^/ i1 O! d& n+ o inspect <expression>
" c1 V$ I7 l- b5 E K when <constant_list> then
* W3 m( B# p: h& C5 D <statement sequence1>;
" c9 w% h7 y/ V# o, a when <constant_list> then
! Y6 N$ N% m) }4 o <statement sequence2>;, [+ ?6 t6 @0 G+ \& u) `
...: G A: z9 {5 u* {
else
. s# c9 |' ~/ y3 B: f9 m- S9 o4 \ <statement sequence3>;6 E( j: l' ~5 k6 E
end;( d$ c0 [% V6 K1 U- o. S) p
* G5 y; C! o! Z9 N- B% K2循环语句2 j9 n: [' W4 V/ g1 V
(1) from <statement sequence1>' A/ S" p4 J' W. v" o: I; P
until <condition> loop9 u& N+ X% w4 Y& |
<statement sequence2>;
" ^) G7 L8 J- Q/ |: b! k end;
+ [7 C. i- h4 E6 u (2) while <condition> loop/ F" J! D/ [/ n0 d3 D, X6 \) |
<statement sequence1>; F* ?1 S0 c/ l, B: `9 {- V+ | j
end;
: ]0 e6 R9 G% P1 i (3) repeat 0 @3 _3 Z; ~7 t7 ?
<statement sequence1>;9 c6 g+ [# u; q3 W/ B
until <condition>;5 M9 e$ E+ [1 X" O, j {) ?( {
(4) for <condition> to <condition> loop
6 c6 n0 l: ]0 b G: O0 \ <statement sequence1>;
4 Q h% a; L* \1 y+ X$ J% |& Y next;
6 \, ?- i* s [, S" ^3中断语句% V$ p6 n, A/ Z5 R3 P& t m
waituntil <condition> prio <integer expression>;
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以上为常用的函数！2 v! w% B4 D( h% l3 p5 p- J& G8 J
还有很多，如有需要我把资料发到你邮箱里
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