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发表于 2012-11-13 08:48:12
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1判断语句; U2 ~" S# m2 _. q
if <condition> then& d$ E+ ^% D) J! _' z6 \
<statement sequence1>;
e0 H9 x9 u$ O/ c8 Q elseif <condition> then- ]7 B4 }9 p8 `4 k& D3 |
<statement sequence2>;- u3 v. W, C6 o! f7 |. ^2 J: p
else 6 Y- f. ~. w2 H8 t! O* o
<statement sequence3>;
/ F1 a) D2 r: l+ Z end;
5 F4 [( u! x" r" p+ i& L$ H6 B如果分支比较多，用： j# L4 s- L. ^
inspect <expression>, K' F4 M- N/ b
when <constant_list> then
& {9 R4 v2 T* `) X7 U' F <statement sequence1>;- {+ j3 E- W- n. }$ z* l4 N
when <constant_list> then
$ m& x" b: {/ C2 B( J5 t <statement sequence2>;
) x2 ]- d3 l5 Q R1 |1 h ...
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<statement sequence3>;3 [) B5 M* U: j, V
end;/ C) h7 R$ M9 v/ l5 A7 P
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2循环语句1 ~2 ?& i9 @% T6 K5 ~. o. r
(1) from <statement sequence1>( t: d4 ?- \% m; f1 {: g) `
until <condition> loop- h4 v/ b& e8 L2 x' v- K& z% @
<statement sequence2>;3 m/ }$ J3 y3 ]
end;
7 E; a6 o% s1 U$ K. e* c (2) while <condition> loop; \' i0 a) o; p4 B% b
<statement sequence1>;
+ l4 W' V1 a* }, n6 O" x. { end;
8 i+ M' |. S9 d) |/ }0 { (3) repeat
: a. z$ ^9 Q- J4 {4 R <statement sequence1>;
1 l6 b; X3 E# h% }6 _ Y until <condition>;
' b4 a! W7 f8 ^0 X/ U (4) for <condition> to <condition> loop
9 X* e+ W5 y5 j6 j; n0 l <statement sequence1>;
6 y, J) Z) Q+ t; T3 J& ^4 ~; k. q, m8 Y next;& r8 {* x' C% I* z' e* \7 R
3中断语句
6 ~8 j( r' A% o waituntil <condition> prio <integer expression>;' ~, J# E# i7 }/ a
+ r) ?5 K' ]. D" z/ L/ ]3 U' G# P% O# Z) K* f( S7 M/ I
以上为常用的函数！4 H# F4 Y# q7 P9 I% }
还有很多，如有需要我把资料发到你邮箱里
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