锘??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲嫩模在线观看,久久亚洲一区二区,亚洲av日韩av综合http://www.tkk7.com/forgood/archive/2009/01/11/250870.html#250871forgoodforgoodSun, 11 Jan 2009 09:52:00 GMThttp://www.tkk7.com/forgood/archive/2009/01/11/250870.html#250871 JAVA鍙嶅皠鏈哄埗鏄湪榪愯鐘舵佷腑錛屽浜庝換鎰忎竴涓被錛岄兘鑳藉鐭ラ亾榪欎釜綾葷殑鎵鏈夊睘鎬у拰鏂規硶錛涘浜庝換鎰忎竴涓璞★紝閮借兘澶熻皟鐢ㄥ畠鐨勪換鎰忎竴涓柟娉曪紱榪欑鍔ㄦ佽幏鍙栫殑淇℃伅浠ュ強鍔ㄦ佽皟鐢ㄥ璞$殑鏂規硶鐨勫姛鑳界О涓簀ava璇█鐨勫弽灝勬満鍒躲?
Java鍙嶅皠鏈哄埗涓昏鎻愪緵浜嗕互涓嬪姛鑳斤細 鍦ㄨ繍琛屾椂鍒ゆ柇浠繪剰涓涓璞℃墍灞炵殑綾伙紱鍦ㄨ繍琛屾椂鏋勯犱換鎰忎竴涓被鐨勫璞★紱鍦ㄨ繍琛屾椂鍒ゆ柇浠繪剰涓涓被鎵鍏鋒湁鐨勬垚鍛樺彉閲忓拰鏂規硶錛涘湪榪愯鏃惰皟鐢ㄤ換鎰忎竴涓璞$殑鏂規硶錛涚敓鎴愬姩鎬佷唬鐞嗐?
1. 寰楀埌鏌愪釜瀵硅薄鐨勫睘鎬?

1 public Object getProperty(Object owner, String fieldName) throws Exception {
2 Class ownerClass = owner.getClass();
3
4 Field field = ownerClass.getField(fieldName);
5
6 Object property = field.get(owner);
7
8 return property;
9 }
Class ownerClass = owner.getClass()錛氬緱鍒拌瀵硅薄鐨凜lass銆?

Field field = ownerClass.getField(fieldName)錛氶氳繃Class寰楀埌綾誨0鏄庣殑灞炴с?

Object property = field.get(owner)錛氶氳繃瀵硅薄寰楀埌璇ュ睘鎬х殑瀹炰緥錛屽鏋滆繖涓睘鎬ф槸闈炲叕鏈夌殑錛岃繖閲屼細鎶llegalAccessException銆?

2. 寰楀埌鏌愪釜綾葷殑闈欐佸睘鎬?

1 public Object getStaticProperty(String className, String fieldName)
2 throws Exception {
3 Class ownerClass = Class.forName(className);
4
5 Field field = ownerClass.getField(fieldName);
6
7 Object property = field.get(ownerClass);
8
9 return property;
10 }

Class ownerClass = Class.forName(className) 錛氶鍏堝緱鍒拌繖涓被鐨凜lass銆?

Field field = ownerClass.getField(fieldName)錛氬拰涓婇潰涓鏍鳳紝閫氳繃Class寰楀埌綾誨0鏄庣殑灞炴с?

Object property = field.get(ownerClass) 錛氳繖閲屽拰涓婇潰鏈変簺涓嶅悓錛屽洜涓鴻灞炴ф槸闈欐佺殑錛屾墍浠ョ洿鎺ヤ粠綾葷殑Class閲屽彇銆?

3. 鎵ц鏌愬璞$殑鏂規硶

1 public Object invokeMethod(Object owner, String methodName, Object[] args) throws Exception {
2
3 Class ownerClass = owner.getClass();
4
5 Class[] argsClass = new Class[args.length];
6
7 for (int i = 0, j = args.length; i < j; i++) {
8 argsClass[i] = args[i].getClass();
9 }
10
11 Method method = ownerClass.getMethod(methodName, argsClass);
12
13 return method.invoke(owner, args);
14 }
Class owner_class = owner.getClass() 錛氶鍏堣繕鏄繀欏誨緱鍒拌繖涓璞$殑Class銆?

5锝?琛岋細閰嶇疆鍙傛暟鐨凜lass鏁扮粍錛屼綔涓哄鎵綧ethod鐨勬潯浠躲?

Method method = ownerClass.getMethod(methodName, argsClass)錛氶氳繃Method鍚嶅拰鍙傛暟鐨凜lass鏁扮粍寰楀埌瑕佹墽琛岀殑Method銆?

method.invoke(owner, args)錛氭墽琛岃Method錛宨nvoke鏂規硶鐨勫弬鏁版槸鎵ц榪欎釜鏂規硶鐨勫璞★紝鍜屽弬鏁版暟緇勩傝繑鍥炲兼槸Object錛屼篃鏃㈡槸璇ユ柟娉曠殑榪斿洖鍊箋?

4. 鎵ц鏌愪釜綾葷殑闈欐佹柟娉?

1 public Object invokeStaticMethod(String className, String methodName,
2 Object[] args) throws Exception {
3 Class ownerClass = Class.forName(className);
4
5 Class[] argsClass = new Class[args.length];
6
7 for (int i = 0, j = args.length; i < j; i++) {
8 argsClass[i] = args[i].getClass();
9 }
10
11 Method method = ownerClass.getMethod(methodName, argsClass);
12
13 return method.invoke(null, args);
14 }

鍩烘湰鐨勫師鐞嗗拰瀹炰緥3鐩稿悓錛屼笉鍚岀偣鏄渶鍚庝竴琛岋紝invoke鐨勪竴涓弬鏁版槸null錛屽洜涓鴻繖鏄潤鎬佹柟娉曪紝涓嶉渶瑕佸熷姪瀹炰緥榪愯銆?

5. 鏂板緩瀹炰緥
1
2 public Object newInstance(String className, Object[] args) throws Exception {
3 Class newoneClass = Class.forName(className);
4
5 Class[] argsClass = new Class[args.length];
6
7 for (int i = 0, j = args.length; i < j; i++) {
8 argsClass[i] = args[i].getClass();
9 }
10
11 Constructor cons = newoneClass.getConstructor(argsClass);
12
13 return cons.newInstance(args);
14
15 }

榪欓噷璇寸殑鏂規硶鏄墽琛屽甫鍙傛暟鐨勬瀯閫犲嚱鏁版潵鏂板緩瀹炰緥鐨勬柟娉曘傚鏋滀笉闇瑕佸弬鏁幫紝鍙互鐩存帴浣跨敤newoneClass.newInstance()鏉ュ疄鐜般?

Class newoneClass = Class.forName(className)錛氱涓姝ワ紝寰楀埌瑕佹瀯閫犵殑瀹炰緥鐨凜lass銆?

絎?锝炵9琛岋細寰楀埌鍙傛暟鐨凜lass鏁扮粍銆?

Constructor cons = newoneClass.getConstructor(argsClass)錛氬緱鍒版瀯閫犲瓙銆?

cons.newInstance(args)錛氭柊寤哄疄渚嬨?

6. 鍒ゆ柇鏄惁涓烘煇涓被鐨勫疄渚?

1 public boolean isInstance(Object obj, Class cls) {
2 return cls.isInstance(obj);
3 }

7. 寰楀埌鏁扮粍涓殑鏌愪釜鍏冪礌
1 public Object getByArray(Object array, int index) {
2 return Array.get(array,index);
3 }




forgood 2009-01-11 17:52 鍙戣〃璇勮
]]>
re: jquery瀛︿範緗戠珯http://www.tkk7.com/forgood/archive/2008/11/30/243537.html#243538forgoodforgoodSun, 30 Nov 2008 06:47:00 GMThttp://www.tkk7.com/forgood/archive/2008/11/30/243537.html#243538http://jquery-api-zh-cn.googlecode.com/svn/trunk/index.html

forgood 2008-11-30 14:47 鍙戣〃璇勮
]]>
re: java涓殑String鍜孲tringBuffer綾?/title><link>http://www.tkk7.com/forgood/archive/2008/08/19/187162.html#222923</link><dc:creator>lixinso</dc:creator><author>lixinso</author><pubDate>Tue, 19 Aug 2008 01:38:00 GMT</pubDate><guid>http://www.tkk7.com/forgood/archive/2008/08/19/187162.html#222923</guid><description><![CDATA[mark<img src ="http://www.tkk7.com/forgood/aggbug/222923.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/forgood/" target="_blank">lixinso</a> 2008-08-19 09:38 <a href="http://www.tkk7.com/forgood/archive/2008/08/19/187162.html#222923#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>re: 澶氭?/title><link>http://www.tkk7.com/forgood/archive/2008/04/28/196702.html#196712</link><dc:creator>forgood</dc:creator><author>forgood</author><pubDate>Mon, 28 Apr 2008 02:39:00 GMT</pubDate><guid>http://www.tkk7.com/forgood/archive/2008/04/28/196702.html#196712</guid><description><![CDATA[<a target="_new">http://www.ranm.cn/html/school/bianchengkaifaxi/java/20071109/1837.html鍙互鐪嬬湅榪欎釜緗戠珯瀵瑰鎬佺殑鍒嗘瀽</a>錛屾尯涓嶉敊鐨?<br><img src ="http://www.tkk7.com/forgood/aggbug/196712.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/forgood/" target="_blank">forgood</a> 2008-04-28 10:39 <a href="http://www.tkk7.com/forgood/archive/2008/04/28/196702.html#196712#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>re: 鍏充簬oracle鐨勪竴浜涢棶棰?/title><link>http://www.tkk7.com/forgood/archive/2008/04/23/191642.html#194949</link><dc:creator>forgood</dc:creator><author>forgood</author><pubDate>Wed, 23 Apr 2008 01:55:00 GMT</pubDate><guid>http://www.tkk7.com/forgood/archive/2008/04/23/191642.html#194949</guid><description><![CDATA[select * into destTbl from srcTbl <br> <br>insert into destTbl(fld1, fld2) select fld1, 5 from srcTbl <br> <br>浠ヤ笂涓ゅ彞閮芥槸灝?srcTbl 鐨勬暟鎹彃鍏ュ埌 destTbl錛屼絾涓ゅ彞鍙堟湁鍖哄埆鐨勩?<br> <br>絎竴鍙ワ紙select into from錛夎姹傜洰鏍囪〃錛坉estTbl錛変笉瀛樺湪錛屽洜涓哄湪鎻掑叆鏃朵細鑷姩鍒涘緩銆?<br> <br>絎簩鍙ワ紙insert into select from錛夎姹傜洰鏍囪〃錛坉estTbl錛夊瓨鍦紝鐢變簬鐩爣琛ㄥ凡緇忓瓨鍦紝鎵浠ユ垜浠櫎浜嗘彃鍏ユ簮琛紙srcTbl錛夌殑瀛楁澶栵紝榪樺彲浠ユ彃鍏ュ父閲?<br><img src ="http://www.tkk7.com/forgood/aggbug/194949.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/forgood/" target="_blank">forgood</a> 2008-04-23 09:55 <a href="http://www.tkk7.com/forgood/archive/2008/04/23/191642.html#194949#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>re: Collection妗嗘灦浜?/title><link>http://www.tkk7.com/forgood/archive/2008/04/17/193806.html#193808</link><dc:creator>forgood</dc:creator><author>forgood</author><pubDate>Thu, 17 Apr 2008 08:50:00 GMT</pubDate><guid>http://www.tkk7.com/forgood/archive/2008/04/17/193806.html#193808</guid><description><![CDATA[add錛圗 e錛夛細鍦ㄥ綋鍓嶈〃鐨勬湯灝炬彃鍏ュ厓绱狅紝濡傛灉鍦ㄥ墠闈㈣〃涓嶆弧鐨勬儏鍐典笅錛屼篃鏄緢楂樻晥鐨勶紝鐩存帴鎻掑叆鍒版湯灝撅紝浣嗘槸濡傛灉鍦ㄥ綋鍓嶈〃宸茬粡婊$殑鎯呭喌涓嬶紝灝辮閲嶆柊鐢熸垚涓涓瘮褰撳墠琛ㄥぇ灝忔洿澶х殑鏂拌〃錛屾柊琛ㄧ殑澶у皬鏄綋鍓嶈〃澶у皬鐨?.5鍊嶅姞1錛屾瘮濡傚綋鍓嶈〃闀垮害涓?0鐨勶紝鏂拌〃鐨勫ぇ灝忓氨涓?1錛岃繕闇瑕佹妸褰撳墠琛ㄥ厓绱犲鍒跺埌鏂拌〃涓幓錛岀劧鍚庢妸褰撳墠琛ㄥ紩鐢ㄦ寚鍚戞柊琛紝鏈鍚庢妸鏁板兼彃鍏ュ埌琛ㄦ湯灝撅紝鎵浠ヨ繖縐嶆搷浣滄槸闈炲父浣庢晥鐨勩?<br><img src ="http://www.tkk7.com/forgood/aggbug/193808.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/forgood/" target="_blank">forgood</a> 2008-04-17 16:50 <a href="http://www.tkk7.com/forgood/archive/2008/04/17/193806.html#193808#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>re: java涓殑String鍜孲tringBuffer綾?/title><link>http://www.tkk7.com/forgood/archive/2008/04/14/187162.html#192845</link><dc:creator>forgood</dc:creator><author>forgood</author><pubDate>Mon, 14 Apr 2008 08:38:00 GMT</pubDate><guid>http://www.tkk7.com/forgood/archive/2008/04/14/187162.html#192845</guid><description><![CDATA[StringBuilder鍜孲tringBuffer宸笉澶氾紝浣嗘槸StringBuilder鏄笉瀹夊叏鐨勶紝鑰孲tringBuffer鏄畨鍏ㄧ殑<img src ="http://www.tkk7.com/forgood/aggbug/192845.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/forgood/" target="_blank">forgood</a> 2008-04-14 16:38 <a href="http://www.tkk7.com/forgood/archive/2008/04/14/187162.html#192845#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>re: 鍏充簬oracle鐨勪竴浜涢棶棰?/title><link>http://www.tkk7.com/forgood/archive/2008/04/14/191642.html#192842</link><dc:creator>forgood</dc:creator><author>forgood</author><pubDate>Mon, 14 Apr 2008 08:31:00 GMT</pubDate><guid>http://www.tkk7.com/forgood/archive/2008/04/14/191642.html#192842</guid><description><![CDATA[select 瀛楁...... into 琛? from 鏉′歡銆傝繖涓鍙ヤ腑鍦ㄦ墽琛屽墠錛岃〃1鏄笉瀛樺湪鐨勶紝鍦ㄦ墽琛岃繖鏉¤鍙ョ殑鏃跺欎細鑷姩鍒涘緩琛?.<img src ="http://www.tkk7.com/forgood/aggbug/192842.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/forgood/" target="_blank">forgood</a> 2008-04-14 16:31 <a href="http://www.tkk7.com/forgood/archive/2008/04/14/191642.html#192842#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>re: 鍏充簬oracle鐨勪竴浜涢棶棰?/title><link>http://www.tkk7.com/forgood/archive/2008/04/09/191642.html#191643</link><dc:creator>forgood</dc:creator><author>forgood</author><pubDate>Wed, 09 Apr 2008 02:01:00 GMT</pubDate><guid>http://www.tkk7.com/forgood/archive/2008/04/09/191642.html#191643</guid><description><![CDATA[鍒犻櫎閲嶅璁板綍涓殑絎竴縐嶆柟娉曚笉鏄緢鏄庣櫧錛燂紵錛燂紵 <br><img src ="http://www.tkk7.com/forgood/aggbug/191643.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/forgood/" target="_blank">forgood</a> 2008-04-09 10:01 <a href="http://www.tkk7.com/forgood/archive/2008/04/09/191642.html#191643#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>re: File綾誨強瀛愮被鐨勬葷粨http://www.tkk7.com/forgood/archive/2008/03/26/187486.html#188820forgoodforgoodWed, 26 Mar 2008 10:12:00 GMThttp://www.tkk7.com/forgood/archive/2008/03/26/187486.html#188820

forgood 2008-03-26 18:12 鍙戣〃璇勮
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