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<div   id="wmqeeuq"   class="postText"><font face="Verdana" _tempcsstext="null"><strong>涓�銆佺畝浠嬶細(xì)</strong><br />
BeanUtils鎻愪緵瀵笿ava鍙嶅皠鍜岃嚜鐪丄PI鐨勫寘瑁呫�傚叾涓昏鐩殑鏄埄鐢ㄥ弽灝勬満鍒跺JavaBean鐨勫睘鎬ц繘琛屽鐞嗐�傛垜浠煡閬擄紝涓�涓狫avaBean閫氬父鍖呭惈浜嗗ぇ閲忕殑灞炴�э紝寰堝鎯呭喌涓嬶紝瀵笿avaBean鐨勫鐞嗗鑷村ぇ閲廹et/set浠ｇ爜鍫嗙Н錛屽鍔犱簡浠ｇ爜闀垮害鍜岄槄璇諱唬鐮佺殑闅懼害銆?br />
<br />
<strong>浜屻�佺敤娉曪細(xì)</strong><br />
BeanUtils鏄繖涓寘閲屾瘮杈冨父鐢ㄧ殑涓�涓伐鍏風(fēng)被錛岃繖閲屽彧浠嬬粛瀹冪殑copyProperties()鏂規(guī)硶銆傝鏂規(guī)硶瀹氫箟濡備笅錛?
<pre class="overflow" _tempcsstext="null"><font size="3" _tempcsstext="null">public static void copyProperties(java.lang.Object dest,java.lang.Object orig)<br />
throws java.lang.IllegalAccessException,
java.lang.reflect.InvocationTargetException</font></pre>
<p><font size="3">濡傛灉浣犳湁涓や釜鍏鋒湁寰堝鐩稿悓灞炴�х殑JavaBean錛屼竴涓緢甯歌鐨勬儏鍐靛氨鏄疭truts閲岀殑PO瀵硅薄錛堟寔涔呭璞★級鍜屽搴旂殑ActionForm錛屼緥濡?Teacher鍜孴eacherForm銆傛垜浠竴鑸細(xì)鍦ˋction閲屼粠ActionForm鏋勯�犱竴涓狿O瀵硅薄錛屼紶緇熺殑鏂瑰紡鏄嬌鐢ㄧ被浼間笅闈㈢殑璇彞瀵瑰睘鎬ч�愪釜璧嬪�鹼細(xì)</font></p>
<font size="3">
<pre class="overflow">//寰楀埌TeacherForm<br />
TeacherForm teacherForm=(TeacherForm)form;<br />
//鏋勯�燭eacher瀵硅薄
Teacher teacher=new Teacher();
//璧嬪�?
teacher.setName(teacherForm.getName());
teacher.setAge(teacherForm.getAge());
teacher.setGender(teacherForm.getGender());<br />
teacher.setMajor(teacherForm.getMajor());
teacher.setDepartment(teacherForm.getDepartment());
//鎸佷箙鍖朤eacher瀵硅薄鍒版暟鎹簱
HibernateDAO.save(teacher);</pre>
<pre class="overflow">鑰屼嬌鐢˙eanUtils鍚庯紝浠ｇ爜灝卞ぇ澶ф敼瑙備簡錛屽涓嬫墍紺猴細(xì)<br />
//寰楀埌TeacherForm
TeacherForm teacherForm=(TeacherForm)form;
//鏋勯�燭eacher瀵硅薄
Teacher teacher=new Teacher();
//璧嬪�?
BeanUtils.copyProperties(teacher,teacherForm);
//鎸佷箙鍖朤eacher瀵硅薄鍒版暟鎹簱
HibernateDAO.save(teacher);</font></pre>
<p><font size="3">濡傛灉Teacher鍜孴eacherForm闂村瓨鍦ㄥ悕縐頒笉鐩稿悓鐨勫睘鎬э紝鍒橞eanUtils涓嶅榪欎簺灞炴�ц繘琛屽鐞嗭紝闇�瑕佺▼搴忓憳鎵嬪姩澶勭悊銆備緥濡?Teacher鍖呭惈modifyDate錛堣灞炴�ц褰曟渶鍚庝慨鏀規(guī)棩鏈燂紝涓嶉渶瑕佺敤鎴峰湪鐣岄潰涓緭鍏ワ級灞炴�ц�孴eacherForm鏃犳灞炴�э紝閭ｄ箞鍦ㄤ笂闈唬鐮佺殑 copyProperties()鍚庤繕瑕佸姞涓婁竴鍙ワ細(xì)</font></p>
<pre class="overflow"><font size="3">teacher.setModifyDate(new Date());</font></pre>
<p><font size="3">鎬庝箞鏍鳳紝寰堟柟渚垮惂錛侀櫎BeanUtils澶栬繕鏈変竴涓悕涓篜ropertyUtils鐨勫伐鍏風(fēng)被錛屽畠涔熸彁渚沜opyProperties()鏂規(guī)硶錛屼綔鐢ㄤ笌 BeanUtils鐨勫悓鍚嶆柟娉曞崄鍒嗙浉浼鹼紝涓昏鐨勫尯鍒湪浜庡悗鑰呮彁渚涚被鍨嬭漿鎹㈠姛鑳斤紝鍗沖彂鐜頒袱涓狫avaBean鐨勫悓鍚嶅睘鎬т負(fù)涓嶅悓綾誨瀷鏃訛紝鍦ㄦ敮鎸佺殑鏁版嵁綾誨瀷鑼冨洿鍐呰繘琛岃漿鎹紝鑰屽墠鑰呬笉鏀寔榪欎釜鍔熻兘錛屼絾鏄�熷害浼?xì)鏇村揩涓�浜涖�侭eanUtils鏀寔鐨勮漿鎹㈢被鍨嬪涓嬶細(xì)</font></p>
<pre class="overflow"><font size="3">* java.lang.BigDecimal
* java.lang.BigInteger
* boolean and java.lang.Boolean
* byte and java.lang.Byte
* char and java.lang.Character
* java.lang.Class
* double and java.lang.Double
* float and java.lang.Float
* int and java.lang.Integer
* long and java.lang.Long
* short and java.lang.Short
* java.lang.String
* java.sql.Date
* java.sql.Time
* java.sql.Timestamp </font></pre>
<p><font size="3">榪欓噷瑕佹敞鎰忎竴鐐癸紝java.util.Date鏄笉琚敮鎸佺殑錛岃�屽畠鐨勫瓙綾籮ava.sql.Date鏄鏀寔鐨勩�傚洜姝ゅ鏋滃璞″寘鍚椂闂寸被鍨嬬殑灞炴�э紝涓斿笇鏈涜杞崲鐨勬椂鍊欙紝涓�瀹氳浣跨敤java.sql.Date綾誨瀷銆傚惁鍒欏湪杞崲鏃朵細(xì)鎻愮ずargument mistype寮傚父銆?br />
<br />
<strong>涓夈�佷紭緙虹偣錛?br />
</strong><br />
Apache Jakarta Commons欏圭洰闈炲父鏈夌敤銆傛垜鏇懼湪璁稿涓嶅悓鐨勯」鐩笂鎴栫洿鎺ユ垨闂存帴鍦頒嬌鐢ㄥ悇縐嶆祦琛岀殑commons緇勪歡銆傚叾涓殑涓�涓己澶х殑緇勪歡灝辨槸BeanUtils銆傛垜 灝嗚鏄庡浣曚嬌鐢˙eanUtils灝唋ocal瀹炰綋bean杞崲涓哄搴旂殑value 瀵硅薄錛?br />
</font></p>
<pre class="overflow"><font size="3">BeanUtils.copyProperties(aValue, aLocal)</font></pre>
<p><font size="3">涓婇潰鐨勪唬鐮佷粠aLocal瀵硅薄澶嶅埗灞炴�у埌aValue瀵硅薄銆傚畠鐩稿綋綆�鍗曪紒瀹冧笉綆ocal錛堟垨瀵瑰簲鐨剉alue錛夊璞℃湁澶氬皯涓睘鎬э紝鍙榪涜澶嶅埗銆傛垜浠亣璁?local瀵硅薄鏈?00涓睘鎬с�備笂闈㈢殑浠ｇ爜浣挎垜浠彲浠ユ棤闇�閿叆鑷沖皯100琛岀殑鍐楅暱銆佸鏄撳嚭閿欏拰鍙嶅鐨刧et鍜宻et鏂規(guī)硶璋冪敤銆傝繖澶浜嗭紒澶己澶т簡錛佸お鏈夌敤 浜嗭紒<br />
<br />
鐜板湪錛岃繕鏈変竴涓潖娑堟伅錛氫嬌鐢˙eanUtils鐨勬垚鏈儕浜哄湴鏄傝吹錛佹垜鍋氫簡涓�涓畝鍗曠殑嫻嬭瘯錛孊eanUtils鎵�鑺辮垂鐨勬椂闂磋瓚呰繃鍙栨暟 鎹�佸皢鍏跺鍒跺埌瀵瑰簲鐨?value瀵硅薄錛堥�氳繃鎵嬪姩璋冪敤get鍜宻et鏂規(guī)硶錛夛紝浠ュ強(qiáng)閫氳繃涓茶鍖栧皢鍏惰繑鍥炲埌榪滅▼鐨勫鎴鋒満鐨勬椂闂存�誨拰銆傛墍浠ヨ灝忓績浣跨敤榪欑濞佸姏錛?</font></p>
</font></div>
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