myjdbcupdate_yanggx.java

java的团队合作代码

package com.jk.jdbc;

import java.sql.*;

public class MyJdbcUpdate_yanggx {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		String username = "yanggx";
		String password = "ygx1028";
		String driver = "oracle.jdbc.driver.OracleDriver";
		String url = "jdbc:oracle:thin:@10.22.78.99:1521:XE";
		//定义jdbc操作的变量
		Connection conn = null;
		PreparedStatement pstmt = null;
		Statement stmt = null;
		try{
			Class.forName(driver);
			conn = DriverManager.getConnection(url, username, password);
			//String sql = "update test set name='helloworld' where name='hello'";
			//stmt = conn.createStatement();
			//stmt.executeUpdate(sql);
			String sql = "update test set name=? where name=?";
			pstmt = conn.prepareStatement(sql);
			pstmt.setString(1, "hello");
			pstmt.setString(2, "helloworld");
			pstmt.executeUpdate();
			String sql1 = "insert into test values('a',101)";
			String sql2 = "insert into test values('b',102)";
			String sql3 = "insert into test values('c',103)";
			stmt = conn.createStatement();
			stmt.addBatch(sql1);
			stmt.addBatch(sql2);
			stmt.addBatch(sql3);
			stmt.executeBatch();
		}catch(Exception e){
			e.printStackTrace();
		}finally{
			try{
				if(stmt != null) stmt.close();
				if(pstmt != null) pstmt.close();
				if(conn != null) conn.close();
			}catch(Exception e){
				e.printStackTrace();
			}
		}
	}

}