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发表于 2012-11-13 08:48:12
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1判断语句3 @0 ~0 U. q* d' w9 p/ `5 V
if <condition> then K& y4 K5 ^: ^8 m e- ^8 T- |
<statement sequence1>;3 H% d9 f D8 N7 n* t3 j$ J
elseif <condition> then
: G+ E: [2 m8 ]' }3 g+ W* ~+ i <statement sequence2>;
+ n9 o" o. w3 g/ ?& @ else ( ?5 _0 S; c7 X2 A7 f2 Q; u
<statement sequence3>;
: H6 _- Q9 A0 `; M3 E- S% x end;
, |* A. u3 X7 |. R n/ w6 Q如果分支比较多，用：1 |1 r5 ~; K. M
inspect <expression>
" c$ Q0 H3 s9 L% |0 l/ Y when <constant_list> then; G9 S# V0 w3 A- W
<statement sequence1>;
% c4 d* Y2 O/ s# D0 ^+ ] Z* c when <constant_list> then
9 w$ m+ m. q/ R, B% ] <statement sequence2>;
2 Q& e! j5 y/ b+ | ...
2 |) J& z% q+ |3 `- b) q4 [8 D8 r else
9 w6 [# \3 [/ I1 J1 F <statement sequence3>;
' w9 U$ q* v# S/ X! Tend;
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2循环语句
4 x l7 O' X& D" b6 O2 z& { (1) from <statement sequence1>
# [5 T) z% D4 \6 w" C until <condition> loop, z; L" ^- ~& n7 {4 X1 ~3 ?0 _
<statement sequence2>;( {; r* o" J9 x
end;
4 d; c/ V' X$ O2 I4 f( v2 H# b, k0 C (2) while <condition> loop# E' Q X+ h* p" [! P5 J, b
<statement sequence1>;
& M2 R1 X1 X1 J/ ]2 F+ { end;4 v' X2 {/ f8 T6 }+ {
(3) repeat ' G1 K* ^8 I( f6 f0 T- F
<statement sequence1>; h( R1 g& C# E/ G( f" I! ~2 Y
until <condition>;9 y9 s. {8 B: f: X2 z- u; P
(4) for <condition> to <condition> loop
' z4 I# t7 `# n z2 y: d <statement sequence1>;
/ p9 d% k! s9 o4 _+ X% X next;
, Q, _) {* P' k# L3中断语句
* W5 i2 v5 Z5 y) ]& x, [3 K waituntil <condition> prio <integer expression>;
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, q$ J: W( X8 e" }( w/ |以上为常用的函数！$ ?& p" Z+ h9 ?+ S$ Z
还有很多，如有需要我把资料发到你邮箱里
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