国产探花免费观看_亚洲丰满少妇自慰呻吟_97日韩有码在线_资源在线日韩欧美_一区二区精品毛片,辰东完美世界有声小说,欢乐颂第一季,yy玄幻小说排行榜完本

首頁 > 編程 > JSP > 正文

一個jdbc 測試程序代碼

2024-09-05 00:21:12
字體:
供稿:網(wǎng)友
一個jdbc測試程序,需要的朋友可以學(xué)習(xí)下。

復(fù)制代碼 代碼如下:


import java.sql.Date;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSetMetaData;
import java.sql.Statement;
import java.sql.ResultSet;
import java.sql.DriverManager;
import java.sql.SQLException;
public class FirstOracleJdbc {
public static void main(String[] args) throws SQLException {
insert(new int[]{5},new String[]{"iGoder"}, new Date[]{Date.valueOf("1980-01-01")});
select();
}
public static void select() {
Connection con = null;
Statement st = null;
ResultSet rs = null;
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
con = DriverManager.getConnection(
"jdbc:oracle:thin:@localhost:1521:xe", "test", "test");
st = con.createStatement();
String sql = "select * from student";
rs = st.executeQuery(sql);
while (rs.next()) {
System.out.print("id=" + rs.getInt("id"));
System.out.print(",name=" + rs.getString("name"));
System.out.print(",birthday=" + rs.getDate("birthday")+"/n");
}
System.out.print("+++++++++++++++++++++++++++++++++++");
//printRS(rs);
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
rs.close();
} catch (Exception e) {
}
try {
st.close();
} catch (Exception e) {
}
try {
con.close();
} catch (Exception e) {
}
}
}
public static void insert(int[] ids, String[] names, Date[] dates)
throws SQLException {
Connection con = null;
PreparedStatement ps = null;
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
con = DriverManager.getConnection(
"jdbc:oracle:thin:@localhost:1521:xe", "test", "test");
con.setAutoCommit(false);
String sql = "insert into student(id, name, birthday) values(?,?,?)";
ps = con.prepareStatement(sql);
for (int i = 0; i < ids.length; i++) {
int index = 1;
ps.setInt(index++, ids[i]);
ps.setString(index++, names[i]);
ps.setDate(index++, dates[i]);
ps.executeUpdate();
}
con.commit();
} catch (Exception e) {
e.printStackTrace();
try {
con.rollback();
} catch (Exception e1) {
}
throw new SQLException(e.getMessage());
} finally {
try {
ps.close();
} catch (Exception e) {
}
try {
con.close();
} catch (Exception e) {
}
}
}
public static void printRS(ResultSet rs) throws SQLException
{
ResultSetMetaData rsmd = rs.getMetaData();
int colCount = rsmd.getColumnCount();
while(rs.next())
{
for(int i = 1; i <= colCount; i++)
{
if(i > 1)
{
System.out.print(",");
}
String name = rsmd.getColumnName(i);
String value = rs.getString(i);
System.out.print(name + "=" + value);
}
System.out.println();
}
}
}

發(fā)表評論 共有條評論
用戶名: 密碼:
驗證碼: 匿名發(fā)表
主站蜘蛛池模板: 克拉玛依市| 乐业县| 乐山市| 高阳县| 灵山县| 平江县| 赫章县| 探索| 镇原县| 澄迈县| 威海市| 昌江| 金山区| 西城区| 胶州市| 霍林郭勒市| 九台市| 宁陵县| 资源县| 岳西县| 金溪县| 马鞍山市| 上蔡县| 青田县| 睢宁县| 江华| 临沧市| 徐州市| 定陶县| 静海县| 通城县| 蕲春县| 安乡县| 阳谷县| 台江县| 佛冈县| 扶沟县| 澄城县| 德令哈市| 洪泽县| 平顶山市|