锘??xml version="1.0" encoding="utf-8" standalone="yes"?>
java.net http://www.java.net
Lomboz http://www.objectlearn.com/index.jsp (J2EE plugin for Eclipse)
htmlArea http://sourceforge.net/projects/itools-htmlarea/ (鎵瑙佸嵆鎵寰楃殑鍦ㄧ嚎HTML緙栬緫鍣?
XmlBuddy http://www.xmlbuddy.com/ (XML Editor plugin for Eclipse)
JFreeChart http://www.jfree.org/ (鐢ㄤ簬鐢熸垚鍥捐〃鐨勯」鐩?
EclipseME http://eclipseme.sourceforge.net/ (J2ME Developmnt Plugin for Eclipse)
mvnForum http://sourceforge.net/projects/mvnforum/ (璁哄潧)
jChatBox http://www.javazoom.net/index.shtml (鐢╯ervlet瀹炵幇鐨刉EB鑱婂ぉ寮曟搸)
POI http://jakarta.apache.org/poi/index.html (鐢ㄤ簬澶勭悊Excel,WORD絳夋枃妗g殑欏圭洰)
FileUpload http://jakarta.apache.org/commons/fileupload/ (鐢ㄤ簬澶勭悊HTTP鏂囦歡涓婁紶寰楅」鐩?
PDFBox http://sourceforge.net/projects/pdfbox/ (澶勭悊PDF鏂囨。鐨勯」鐩?
Lucene http://jakarta.apache.org/lucene/index.html (鎼滅儲寮曟搸)
Digester http://jakarta.apache.org/commons/digester/ (澶勭悊XML淇℃伅鐨勯」鐩?
DBCP http://jakarta.apache.org/commons/dbcp/ (鏁版嵁搴撹繛鎺ユ睜)
AXIS http://ws.apache.org/axis/ (WebService 鐨勫疄鐜版鏋?
Jetspeed http://portals.apache.org/jetspeed-1/ (Portal)
HSQLDB http://sourceforge.net/projects/hsqldb/ (Im memory Database Engine)
CEWOLF http://sourceforge.net/projects/cewolf/ (涓濂楁爣絳懼簱瀹炵幇Web鎶ヨ〃,浣跨敤鐨勬槸jFreeChart寮曟搸)
Struts Menu http://sourceforge.net/projects/struts-menu/ (鍩轟簬Struts鐨刉eb鑿滃崟欏圭洰)
htmlparser http://sourceforge.net/projects/htmlparser/ (鐢ㄤ簬瑙f瀽HTML淇℃伅鐨勯」鐩?
Mondrian http://sourceforge.net/projects/mondrian/(Open Source OLAP Database)
ProGuard http://sourceforge.net/projects/proguard/(Java鐨勬販娣嗗櫒)
InfoGlue http://sourceforge.net/projects/infoglue/ (J2EE 鍐呭綆$悊緋葷粺)
JPivot http://sourceforge.net/projects/jpivot/ (鍩轟簬WEB鐨凮LAP 灞曠幇)
http://java-source.net/
Title:聽榪炴帴姹犳ц兘嫻嬭瘯
Description:聽嫻嬭瘯涓嶅悎鐞嗙殑鍒╃敤榪炴帴瀵筗EB搴旂敤鎵閫犳垚褰卞搷.
Copyright:聽Copyright聽(c)聽2005
Company:聽
Title:聽
Description:聽
Copyright:聽Copyright聽(c)聽2004
Company:聽cea
濡傞渶杞澆錛岃涓?A href="mailto:cyicecream@163.com">絎旇?/A>鑱旂郴
鍓嶆彁錛氶」鐩粍閲屾棤鐢ㄥ埌SPRING榪涜浜嬪姟鐨勭鐞嗐傞」鐩噷浠ュ姛鑳藉垝鍒嗗埌姣忎釜浜烘墜閲岋紝
褰㈡垚浜?/SPAN>BO錛?/SPAN>DAO錛?/SPAN>ACTION錛?/SPAN>VIEW閮芥槸鍗曚漢璐熻矗銆傚湪DAO涓瘡涓姩浣滈兘浠?/SPAN>
灝侀棴寮忕殑褰㈠紡瀛樺湪銆?/P>
闂錛氶犳垚浜嬪姟鐨勪笉榪炶瘡鎬с傚姛鑳芥槸鍋氬嚭鏉ヤ簡錛屾ц兘闂榪熸棭鏆撮湶銆?/SPAN> 嫻嬭瘯錛氫富瑕侀拡瀵圭▼搴忛綣佽姹傛暟鎹簱榪炴帴瀵?/SPAN>WEB搴旂敤鎵閫犳垚褰卞搷鍋氫竴涓祴璇曘?/SPAN> 鍏堝仛蹇呰鐨勮鏄庯紝涓姝ユ寮曞叆姝i錛屽厛浠庢ц兘鐡墮寮濮嬶細
鎵鏈夌殑搴旂敤紼嬪簭閮藉瓨鍦ㄦц兘鐡墮錛屼負浜嗘彁楂樺簲鐢ㄧ▼搴忕殑鎬ц兘錛屽氨瑕佸敖鍙兘鐨勫噺灝戠▼搴忕殑鐡墮銆備互涓嬫槸鍦?SPAN lang=EN-US>JAVA紼嬪簭涓粡甯稿瓨鍦ㄧ殑鎬ц兘鐡墮銆?o:p>
浜嗚В浜嗚繖浜涚摱棰堝悗錛屽氨鍙互鏈夐拡瀵規х殑鍑忓皯榪欎簺鐡墮錛屼粠鑰屾彁楂?SPAN lang=EN-US>JAVA搴旂敤紼嬪簭鐨勬ц兘
鍏充簬榪炴帴姹犵殑瀹炵幇鍘熺悊嫻嬭瘯鏂規錛?/SPAN>
緇忚繃璧勬枡鐨勬敹闆嗕笌APACHE DBCP閲岃繛鎺ユ睜鐨勬煡闃咃紝瀵圭幇鏈夌殑榪炴帴姹犲伐浣?/SPAN>
鍘熺悊鏈変袱縐嶆柟寮忥細
1. 鏁版嵁搴撻鍏堣緗厤緗ソ鐨勮繛鎺ユ暟銆傚緟寰楀埌鐢ㄦ埛璇鋒眰榪炴帴錛屼紶鍑轟竴涓繛鎺ワ紝鑰屽悗涓轟簡淇濇寔渚涘簲鏁板啀鎻愬墠鍒涘緩榪炴帴錛屽嵆鎻愬墠棰勫榪炴帴鏁頒緵璇鋒眰銆傛瘮濡傦細
鏈?/SPAN>5涓氳閬撲唬琛ㄦ渶澶ф縺媧葷殑榪炴帴鏁幫紝鏈灝?/SPAN>2涓棽緗繛鎺ユ暟銆備篃灝辨槸璇磋繛鎺ユ睜閲屽緇堥澶囦簡2涓彲闅忔椂鎻愪緵鐨勮繛鎺ワ紝榪炴帴鐨勫垱寤哄紑閿鏄瘮杈冨ぇ鐨勶紝榪炴帴姹犵殑瀛樺湪灝辨槸浜嗚兘澶熸渶灝忓寲鐨勮В鍐沖垱寤烘墍絳夊緟鐨勬椂闂淬?/SPAN>
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2. 鍥炴敹浣跨敤瀹屽悗鐨勮繛鎺ワ紝鏀懼洖鍒版睜涓繘琛屽驚鐜埄鐢ㄣ傝繖涔堝仛蹇呴』鑳戒繚璇?/SPAN>2鐐?/SPAN>
涓. 浣胯繛鎺ヨ兘澶熶繚鎸佹湁鏁堢殑鍥炴敹銆?/SPAN>
浜?/SPAN>. 綰︽潫浣跨敤鑰呬嬌鐢ㄩ噴鏀劇殑鍔ㄤ綔錛岃屼笉鏄洿鎺ユ妸榪炴帴close.
鏈漢浣跨敤鐨勬槸APACHE DBCP閲?/SPAN>BasicDataSource鐨勮繛鎺ユ睜鍩烘湰瀹炵幇錛?/SPAN>
緇忚繃浠g爜涓庢祴璇曠粨鏋滄樉紺猴紝鍏跺伐浣滄柟寮忔槸鍩轟簬浜岀殑銆?/SPAN>
璇風湅嫻嬭瘯鐢ㄤ緥
嫻嬭瘯緇撴灉錛?/SPAN>
絎?/SPAN>2緇勬暟鎹?/SPAN>:
騫跺彂搴旂敤鏁幫細100 妯℃嫙榪炴帴鏁幫細6
榪愯騫沖潎鑰楁椂錛?/SPAN>2956
鍏變嬌鐢?/SPAN>51涓繛鎺?/SPAN>
榪愯騫沖潎鑰楁椂錛?/SPAN>3391
2鍏變嬌鐢?/SPAN>52涓繛鎺?/SPAN>
榪愯騫沖潎鑰楁椂錛?/SPAN>2616
鍏變嬌鐢?/SPAN>47涓繛鎺?/SPAN>
榪愯騫沖潎鑰楁椂錛?/SPAN>3377
鍏變嬌鐢?/SPAN>41涓繛鎺?/SPAN>
榪愯騫沖潎鑰楁椂錛?/SPAN>3673
鍏變嬌鐢?/SPAN>46涓繛鎺?/SPAN>
絎?/SPAN>2緇勬暟鎹叡鎵ц5嬈?/SPAN>;騫沖潎鑰楁椂涓猴細3229姣
騫沖潎浣跨敤47涓繛鎺?/SPAN>
絎?/SPAN>3緇勬暟鎹?/SPAN>:
騫跺彂搴旂敤鏁幫細85 妯℃嫙榪炴帴鏁幫細9
榪愯騫沖潎鑰楁椂錛?/SPAN>4830
鍏變嬌鐢?/SPAN>53涓繛鎺?/SPAN>
榪愯騫沖潎鑰楁椂錛?/SPAN>3247
鍏變嬌鐢?/SPAN>49涓繛鎺?/SPAN>
榪愯騫沖潎鑰楁椂錛?/SPAN>4116
鍏變嬌鐢?/SPAN>40涓繛鎺?/SPAN>
榪愯騫沖潎鑰楁椂錛?/SPAN>4070
鍏變嬌鐢?/SPAN>43涓繛鎺?/SPAN>
榪愯騫沖潎鑰楁椂錛?/SPAN>4053
鍏變嬌鐢?/SPAN>54涓繛鎺?/SPAN>
絎?/SPAN>3緇勬暟鎹叡鎵ц5嬈?/SPAN>;騫沖潎鑰楁椂涓猴細4063姣
騫沖潎浣跨敤47涓繛鎺?/SPAN>
絎?/SPAN>4緇勬暟鎹?/SPAN>:
騫跺彂搴旂敤鏁幫細140 妯℃嫙榪炴帴鏁幫細3
榪愯騫沖潎鑰楁椂錛?/SPAN>2076
鍏變嬌鐢?/SPAN>47涓繛鎺?/SPAN>
榪愯騫沖潎鑰楁椂錛?/SPAN>3104
鍏變嬌鐢?/SPAN>51涓繛鎺?/SPAN>
榪愯騫沖潎鑰楁椂錛?/SPAN>2048
鍏變嬌鐢?/SPAN>43涓繛鎺?/SPAN>
榪愯騫沖潎鑰楁椂錛?/SPAN>2421
鍏變嬌鐢?/SPAN>50涓繛鎺?/SPAN>
榪愯騫沖潎鑰楁椂錛?/SPAN>2751
鍏變嬌鐢?/SPAN>50涓繛鎺?/SPAN>
絎?/SPAN>4緇勬暟鎹叡鎵ц5嬈?/SPAN>;騫沖潎鑰楁椂涓猴細2480姣
騫沖潎浣跨敤48涓繛鎺?/SPAN>
姣忔嫻嬭瘯鐨勭粨鏋滈兘鍙兘涓嶅悓錛屼絾鏄墍寰楀埌鐨勭粨璁烘槸涓鑷寸殑銆傛暟鎹樉紺轟笉鍚堢悊鐨勮姹備嬌鐢ㄨ繛鎺ヤ弗閲嶇殑褰卞搷搴旂敤鎵鑳芥壙鍙楃殑騫跺彂鏁伴噺錛屽搷搴旂殑鏃墮棿涔熷洜姝ゅ彈鍒板獎鍝嶃?/SPAN>
娌℃湁鎶婁簨鍔℃帶鍒跺ソ錛屼竴鑸細鍑虹幇浠ヤ笅鐨勬儏鍐碉細
浜嬪姟(){
嫻佺▼1();
嫻佺▼2();
}
鍙互鐪嬪嚭嫻佺▼1錛?/SPAN>2閲岄兘鏄崟鐙垱寤鴻繛鎺ワ紝騫跺湪鑷繁鐨勬祦紼嬮噷瀹屾垚鎿嶄綔銆?/SPAN>
濡傛灉鍦ㄦ祦紼?/SPAN>2閲屽嚭鐜板紓甯革紝閭d箞嫻佺▼1鎵鍋氱殑鎿嶄綔鏄笉鍙仮澶嶇殑銆?/SPAN>
濡傛灉鑳芥帶鍒跺湪浜嬪姟鑼冨洿鍐咃紝濡傦細
浜嬪姟(){
Connection con;
嫻佺▼1(con);
嫻佺▼2(con);
con.close();
}
閭d箞鏁版嵁搴撳皯鎻愪緵涓涓繛鎺ワ紝浜嬪姟鐨勫畬鎴愭т篃寰楀埌浣撶幇銆傚湪騫跺彂鏁伴噺澶х殑鏃跺欙紝
鏁堢巼涓婂氨鏈夐潪甯告槑鏄劇殑鍖哄埆銆?BR>
1錛?SPAN style="FONT: 7pt 'Times New Roman'"> 灝介噺淇濇寔灝戠殑璇鋒眰
濡?/SPAN>DAO涓湁update()鏂規硶錛屽垯搴斿啀鎵╁睍涓涓柟娉?/SPAN>update(Connection conn)
鍦ㄤ笟鍔¢昏緫浜嬪姟閲岃皟鐢?/SPAN>update(Connection conn)錛屼竴鑸儏鍐典笅璋冪敤update()
2錛?SPAN style="FONT: 7pt 'Times New Roman'"> 瀵逛簬鏁版嵁涓嶅彉鐨勬儏鍐甸噰鐢ㄧ紦瀛樻妧鏈紝鎴栭儴鍒嗙紦瀛樻妧鏈?/SPAN>
鍙弬鐓т竴浜涚浉鍏崇殑寮婧愮殑欏圭洰錛?/SPAN>JIVE錛夈?/SPAN>
3.鍔熻兘錛?BR> 鎻愪緵鏌ヨ錛屾洿鏂幫紝鍒犻櫎錛屾彃鍏ワ紙娌″疄鐜頒富閿嚜鍔ㄧ敓鎴愶級,(鍒嗛〉鏆傛椂娌″疄鐜?銆?錛庝嬌鐢ㄦ楠わ細
棣栧厛鍦ㄦ暟鎹簱寤虹珛涓涓猚at琛紝瀛楁涓篶at_id;name;sex;weight;綾誨瀷1錛?涓烘暟瀛楀瀷錛?錛?BR>3涓哄瓧絎︿覆鍨嬨?/FONT>
鍏舵寤虹珛涓や釜閰嶇疆鏂囦歡錛堢敱鑷繁瀹氫箟鏂囦歡鍚嶇О錛夛細
repository.xml閰嶇疆淇℃伅錛?BR><?xml version="1.0" encoding="UTF-8"?>
<Repository>
<TableDesc execid="CAT" identifyField="CAT_ID">
<table>CAT</table>
<condition />
<FieldDesc name="CAT_ID" fieldType="java.lang.String" >
<title>CAT_ID</title>
</FieldDesc>
<FieldDesc name="NAME" fieldType="java.lang.String" >
<title>NAME</title>
</FieldDesc>
<FieldDesc name="SEX" fieldType="java.lang.String" >
<title>SEX</title>
</FieldDesc>
<FieldDesc name="WEIGHT" fieldType="java.lang.Long" >
<title>WEIGHT</title>
</FieldDesc>
</TableDesc>
</Repository>
閰嶇疆鏂囦歡鐨勮璁¤鏄庡涓嬶細
TableDesc 琛ㄧず涓涓〃鐨勫0鏄庛?BR>Execid 鏄被鍚嶄竴鑸儏鍐典笅鏈濂藉拰琛ㄥ悕涓鑷達紙瀹規槗鎵懼埌瀵瑰簲鍏崇郴錛夛紝浣嗘槸涓嶅厑璁告湁涓嬪垝綰垮嚭鐜般傛敞鎰忚繖涓被鍚嶄笉鏄叏璺緞銆?BR>DentifyField 琛ㄤ腑鐨勪富閿?濡傛灉鏄鍚堜富閿垯浠ラ楀彿鐩擱殧寮
Table 鏁版嵁搴撹〃鍚?BR><FieldDesc name="SEX" fieldType="java.lang.String" >
<title>SEX</title>
</FieldDesc>
榪欓噷鏄〃涓瓧孌電殑鎻忚堪錛宯ame鏄瓧孌靛悕銆?fieldType 鏄暟鎹簱瀛楁瀵?BR>搴攋ava涓殑綾誨瀷錛屽彧鏈?涓被鍨嬪彲濉厖錛歫ava.lang.String,
java.lang.Long, java.util.Date, java.lang.Double
title鍙鍙笉瑕?濡傛灉瀛樺湪澶氫釜琛紝閭d箞灝卞湪</TableDesc>鍜?BR></Repository>涔嬮棿鍔犲叆琛ㄦ弿榪般?/FONT>
pool-config.xml閰嶇疆淇℃伅錛?BR><?xml version="1.0" encoding="GB2312"?>
<ResourceParams>
<maxActive>10</maxActive>
<maxIdle>5</maxIdle>
<maxWait>10000</maxWait>
<username>test</username>
<password>test</password>
<driverClassName>oracle.jdbc.driver.OracleDriver</driverClassName>
<url>jdbc:oracle:thin:@192.168.0.90:1521:forecast</url>
<removeAbandoned>true</removeAbandoned>
<removeAbandonedTimeout>60</removeAbandonedTimeout>
<logAbandoned>true</logAbandoned>
</ResourceParams>
鎶婁笂榪頒俊鎭繚瀛樹負XML鏂囦歡銆傚榪欎釜鏂囦歡涓嶅鍋氳鏄庝簡銆?/FONT>
紜畾涓や釜鏂囦歡宸茬粡瀛樺湪錛屾帴涓嬫潵灝辨槸瑕佸垱寤鴻〃CAT銆?BR>榪樻湁琛ㄦ墍瀵瑰簲鐨凚EAN銆?BR>涓嬮潰鏄垜鍦℉ibernate鐨勪竴涓緥瀛愪腑寤虹珛鐨刅O銆傦紙鍊熺敤錛?BR>package com.cea.boat.dao;
import java.util.*;
public class Cat implements Cloneable {
//Declare Field
private java.lang.String catId;
private java.lang.String name;
private java.lang.String sex;
private java.lang.Long weight;
//Get Method
public java.lang.String getCatId() {
return catId;
}
public java.lang.String getName() {
return name;
}
public java.lang.String getSex() {
return sex;
}
public java.lang.Long getWeight() {
return weight;
}
//Set Method
public void setCatId(java.lang.String catId) {
this.catId=catId;
}
public void setName(java.lang.String name) {
this.name=name;
}
public void setSex(java.lang.String sex) {
this.sex=sex;
}
public void setWeight(java.lang.Long weight) {
this.weight=weight;
}
public Object clone() {
Object o = null;
try {
o = super.clone();
}
catch (CloneNotSupportedException ex) {
System.out.println(o);
}
return o;
}
public boolean equals(Object obj) {
Cat o = (Cat)obj;
boolean result = true
&& (catId == o.catId || catId.equals(o.catId))
&& (name == o.name || name.equals(o.name))
&& (sex == o.sex || sex.equals(o.sex))
&& (weight == o.weight || weight.equals(o.weight))
;
return result;
}
}
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l鏌ヨ鏂瑰紡錛?BR>渚嬪瓙錛?BR>Void testQuery() throws Exception{
{
System.setProperty(Const.RUN_KEY, Const.POOL_FACTORY_KEY);
System.setProperty(Const.CONFIG_PATH,
"E:/project/CEAConnection/pool-config.xml");
System.setProperty(Const.REPOSITORY_CONFIG_PATH,
"E:/project/CEAConnection/repository.xml");
}
ConnectionManage connectionManage = new ConnectionManage();
connectionManage.activity("com.cea.boat.dao.Cat cat");
Query Query=connectionManage.createQuery(鈥渃at. Catid=鈥?鈥?鈥?;
while (Query.hasNext()) {
Object[] objects = Query.next();
Cat cat = (Cat) objects[0];
}
connectionManage.close();
}
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//鎸囨槑浣跨敤榪炴帴姹?BR>System.setProperty(Const.RUN_KEY, Const.POOL_FACTORY_KEY);
//榪炴帴姹犲弬鏁伴厤緗枃浠?BR> System.setProperty(Const.CONFIG_PATH,
"E:/project/CEAConnection/pool-config.xml");
//閰嶇疆鏂囦歡鎸囧畾
System.setProperty(Const.REPOSITORY_CONFIG_PATH,
"E:/project/CEAConnection/repository.xml");
}
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嬋媧昏浣跨敤綾伙紙鍦ㄩ厤緗腑蹇呴』鏈塁at錛?綾誨悕涓哄叏璺緞濡傛灉瑕佷嬌鐢ㄥ涓璞★紝鍒欏璞¢棿瑕佺敤閫楀彿鐩擱殧寮
connectionManage.activity("com.cea.boat.dao.Cat cat");
榪欓噷鍙渶瑕佺粰鍑篠QL鏌ヨ鏉′歡姣斿SQL涓槸select * from cat cat where cat.Catid=鈥?鈥欓偅涔?select * from cat cat where 榪欓噷鍚庡彴宸茬粡甯綘瀹屾垚錛屼綘闇瑕佸仛鐨勫氨鏄妸鏉′歡瀹屾垚錛屽鏋滄病鏈夋潯浠跺垯涓虹┖.
Query Query = connectionManage.createQuery(鈥渃at. Catid=鈥?鈥?鈥?;
Query.hasNext()鐨勪綔鐢ㄧ浉褰撲簬resultset.next()鏌ョ湅鏄惁榪樺瓨鍦ㄨ褰曪紝Query.next()榪斿洖涓涓璞℃暟緇勮繖閲屽鏋渁ctivity鐨勬槸澶氫釜瀵硅薄錛岄偅涔坥bjects閲屼細欏哄簭鐨勫瓨鍌ㄧ浉搴旂殑瀵硅薄瀹炰緥錛屼嬌鐢ㄧ殑鏃跺欏己鍒惰漿鍖栧氨鍙互浜嗐?BR>while (Query.hasNext()) {
Object[] objects = Query.next();
Cat cat = (Cat) objects[0];
}
浣跨敤瀹屾瘯錛岄噴鏀句嬌鐢ㄧ殑鏁版嵁搴撹祫婧?BR> connectionManage.close();
l鏂板鏂瑰紡錛?BR> 鐢變簬娌℃湁涓婚敭鑷姩鐢熸垚錛屽洜姝や富閿殏鏃跺彧鑳界敱鑷繁鏉ョ淮鎶わ紝瑕佷繚璇乧atid涓?11鐨勫湪琛ㄩ噷涓嶅瓨鍦紝鍚﹀垯浼氬嚭鐜板紓甯搞?BR>Void testInsert() throws Exception{
Cat cat = new Cat();
cat. setCatId(鈥?11鈥?;
cat. SetSex(鈥淔鈥?;
cat. setName(鈥渃atm鈥?;
ConnectionManage cm = new ConnectionManage();
cm.create(cat);
cm.commit();
cm.close();
}
l鏇存柊鏂瑰紡錛?BR>琛ㄩ噷宸茬粡瀛樺湪catid涓?11鐨勭尗錛屽惁鍒欐煡涓嶅埌榪欐潯璁板綍灝辨洿鏂頒笉浜嗕俊鎭?BR>Void testUpdate() throws Exception{
Cat cat = new Cat();
cat. setCatId(鈥?11鈥?;
cat. SetSex(鈥淔鈥?;
cat. setName(鈥渃atmm鈥?;
ConnectionManage cm = new ConnectionManage();
cm.update(cat);
cm.commit();
cm.close();
}
l鍒犻櫎鏂瑰紡錛?BR>鍒犻櫎鏂瑰紡姣旇緝綆鍗曪紝鍙緇欏嚭瀵硅薄錛屽茍涓斾富閿間笉涓虹┖錛屽氨鍙互鍒犻櫎琛ㄤ腑璁板綍銆?BR>Void testDelete() throws Exception{
Cat cat = new Cat();
cat. setCatId(鈥?11鈥?;
ConnectionManage cm = new ConnectionManage();
cm.delete(cat);
cm.commit();
cm.close();
}