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发表于 2012-11-13 08:48:12
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1判断语句; U7 i, O4 S( u4 @
if <condition> then) \+ d6 ]% e9 \2 g7 c7 K$ m5 `1 T" R
<statement sequence1>;9 J! C s& h! ]9 D4 h6 C
elseif <condition> then
) ~! _" w6 k% b& f- B: g% ? <statement sequence2>;1 j" M5 X) L3 K1 D+ I1 ~& ~
else 3 B6 h* L7 p' l# g6 p9 k
<statement sequence3>;
0 g3 m3 }# p* `- u, p, V. b' d end;
1 e! n- u! I' e* ]6 ` C7 U& k/ ?如果分支比较多，用：& _0 l3 U' C* N
inspect <expression>8 y5 c# V0 k$ I* w$ j
when <constant_list> then
3 H) J( {$ R; i$ D+ `" G' I <statement sequence1>;5 U0 t" ^! y8 \8 E+ M! k
when <constant_list> then3 M- j6 p9 l1 r9 S
<statement sequence2>;
) { e& M. l' T6 S5 m! R6 T$ K ...
8 u0 o) b6 N, r+ ]- g else
5 ~; n& S, o9 r/ g9 b8 f+ V8 z <statement sequence3>;; N) T$ e* G* n0 \0 z
end;
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: o2 M: f9 f0 p) L. m2 Z2 J* s2循环语句7 u: E& c9 ]/ F9 h; k
(1) from <statement sequence1>4 c Y1 a6 |/ p& F. H8 P! J! C: @
until <condition> loop
$ r( j/ e' I- ^1 \* ~ <statement sequence2>;
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(2) while <condition> loop
- ~6 t+ P0 A. ~! t! v- u& [$ @- K <statement sequence1>;& ^1 X/ N" ~, C; G. }' t \1 t! w S
end; `& g% @0 c" K0 R; y
(3) repeat . r! d1 J; I# ~7 X' w) z" E6 _
<statement sequence1>;+ {/ c }1 G$ [& |# @
until <condition>;( z$ t- h8 A/ T8 r
(4) for <condition> to <condition> loop7 k0 R: B7 @, X1 m# G/ E
<statement sequence1>;
5 ~" C* z7 L, _" Y3 e, J% b( A& G next;/ {% S I+ P7 w! Z, G/ T2 [9 \
3中断语句
- z$ ?. O1 }4 s/ m3 U' q) s$ l waituntil <condition> prio <integer expression>;
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以上为常用的函数！
! |2 {) R b: ~& {还有很多，如有需要我把资料发到你邮箱里 8 \; ] e! j! Z% `
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