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大小: 0.49M文件類型: .rar金幣: 1下載: 0 次發布日期: 2020-12-27
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資源簡介
非常入門級的 數據庫操作 學習示例
代碼片段和文件信息
package?edu.lzjtu.dao;
import?java.sql.Connection;
import?java.sql.PreparedStatement;
import?java.sql.ResultSet;
import?java.util.ArrayList;
import?java.util.List;
import?edu.lzjtu.db.DbConn;
import?edu.lzjtu.entity.Phone;
public?class?PhoneDAO?{
public?List?getList(){
Connection?conn;
PreparedStatement?st;
String?sql;
ResultSet?rs;
List?list;
list?=?new?ArrayList();
Phone?o;
Integer?id;
String?phonenumber;
try{
// sql=“select?count(*)?from?t_user?where?username=??and?pwd=?“;
sql=“select?*?from?t_phone“;
conn?=?new?DbConn().getConn();
st?=?conn.prepareStatement(sql);
rs?=?st.executeQuery();
while(rs.next()){
o=new?Phone();
id?=?rs.getInt(1);
phonenumber?=?rs.get
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????841??2019-04-24?17:13??J2EE??源碼\.classpath
?????文件???????1037??2019-04-24?17:13??J2EE??源碼\.project
?????文件????????503??2019-04-24?17:13??J2EE??源碼\.settings\.jsdtscope
?????文件????????364??2019-04-24?17:13??J2EE??源碼\.settings\org.eclipse.jdt.core.prefs
?????文件????????464??2019-04-24?17:13??J2EE??源碼\.settings\org.eclipse.wst.common.component
?????文件????????345??2019-04-24?17:13??J2EE??源碼\.settings\org.eclipse.wst.common.project.facet.core.xm
?????文件?????????49??2019-04-24?17:13??J2EE??源碼\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件??????????6??2019-04-24?17:13??J2EE??源碼\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????文件???????4099??2019-04-24?18:34??J2EE??源碼\build\classes\edu\lzjtu\dao\PhoneDAO.class
?????文件???????1317??2019-04-24?17:38??J2EE??源碼\build\classes\edu\lzjtu\dao\UserDAO.class
?????文件???????1041??2019-04-24?17:38??J2EE??源碼\build\classes\edu\lzjtu\db\DbConn.class
?????文件???????1113??2019-04-24?17:52??J2EE??源碼\build\classes\edu\lzjtu\entity\Phone.class
?????文件???????1108??2019-04-24?17:21??J2EE??源碼\build\classes\edu\lzjtu\entity\User.class
?????文件???????1654??2019-04-24?18:35??J2EE??源碼\build\classes\edu\lzjtu\Servlet\DeleteServlet.class
?????文件???????1748??2019-04-24?18:04??J2EE??源碼\build\classes\edu\lzjtu\Servlet\EditServlet.class
?????文件???????1721??2019-04-24?18:20??J2EE??源碼\build\classes\edu\lzjtu\Servlet\InsertServlet.class
?????文件???????1831??2019-04-24?17:55??J2EE??源碼\build\classes\edu\lzjtu\Servlet\ListServlet.class
?????文件???????1619??2019-04-24?17:51??J2EE??源碼\build\classes\edu\lzjtu\Servlet\LoginServlet.class
?????文件???????1859??2019-04-24?18:13??J2EE??源碼\build\classes\edu\lzjtu\Servlet\SaveServlet.class
?????文件???????1738??2019-04-24?18:38??J2EE??源碼\db_course1904.sql
?????文件???????3831??2019-04-24?18:34??J2EE??源碼\src\edu\lzjtu\dao\PhoneDAO.java
?????文件????????846??2019-04-24?17:38??J2EE??源碼\src\edu\lzjtu\dao\UserDAO.java
?????文件????????537??2019-04-24?17:38??J2EE??源碼\src\edu\lzjtu\db\DbConn.java
?????文件????????476??2019-04-24?17:52??J2EE??源碼\src\edu\lzjtu\entity\Phone.java
?????文件????????638??2019-04-24?17:18??J2EE??源碼\src\edu\lzjtu\entity\User.java
?????文件???????1493??2019-04-24?18:35??J2EE??源碼\src\edu\lzjtu\Servlet\DeleteServlet.java
?????文件???????1572??2019-04-24?18:04??J2EE??源碼\src\edu\lzjtu\Servlet\EditServlet.java
?????文件???????1660??2019-04-24?18:20??J2EE??源碼\src\edu\lzjtu\Servlet\InsertServlet.java
?????文件???????1593??2019-04-24?17:55??J2EE??源碼\src\edu\lzjtu\Servlet\ListServlet.java
?????文件???????1515??2019-04-24?17:51??J2EE??源碼\src\edu\lzjtu\Servlet\LoginServlet.java
............此處省略32個文件信息
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