批量插入和更新数据库例子
import java.sql.BatchUpdateException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class Main {
public static void main(String[] args) throws Exception {
Connection conn = getMySqlConnection();
ResultSet rs = null;
Statement stmt = null;
try {
conn = getMySqlConnection();
stmt = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,
ResultSet.CONCUR_UPDATABLE);
conn.setAutoCommit(false);
stmt.addBatch("INSERT INTO survey(id, name) VALUES('11', 'Alex')");
stmt.addBatch("INSERT INTO survey(id, name) VALUES('22', 'Mary')");
stmt.addBatch("INSERT INTO survey(id, name) VALUES('33', 'Bob')");
int[] updateCounts = stmt.executeBatch();
System.out.println(updateCounts);
conn.commit();
rs = stmt.executeQuery("SELECT * FROM survey");
while (rs.next()) {
String id = rs.getString("id");
String name = rs.getString("name");
System.out.println("id="+id +" name="+name);
}
}
catch(BatchUpdateException b) {
System.err.println("SQLException: " + b.getMessage());
System.err.println("SQLState: " + b.getSQLState());
System.err.println("Message: " + b.getMessage());
System.err.println("Vendor error code: " + b.getErrorCode());
System.err.print("Update counts: ");
int [] updateCounts = b.getUpdateCounts();
for (int i = 0; i < updateCounts.length; i++) {
System.err.print(updateCounts[i] + " ");
}
}
catch(SQLException ex) {
Sy