java执行多条SQL语句

PreparedStatement ps=conn.prepareStatement("insert into temp values(?)");
ps.setInt(1, 100);
ps.addBatch();
ps.setInt(1, 200);
ps.addBatch();
ps.executeBatch();

package net.xsoftlab.dict;
 
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
 
public class Batch {
 
    /** 判断数据库是否支持批处理 */
    public static boolean supportBatch(Connection con) {
        try {
            // 得到数据库的元数据
            DatabaseMetaData md = con.getMetaData();
            return md.supportsBatchUpdates();
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return false;
    }
 
    /** 执行一批SQL语句 */
    public static int[] goBatch(Connection con, String[] sqls) throws Exception {
        if (sqls == null) {
            return null;
        }
        Statement sm = null;
        try {
            sm = con.createStatement();
            for (int i = 0; i < sqls.length; i++) {
                sm.addBatch(sqls[i]);// 将所有的SQL语句添加到Statement中
            }
            // 一次执行多条SQL语句
            return sm.executeBatch();
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            sm.close();
        }
        return null;
    }
 
    public static void main(String[] args) throws Exception {
        System.out.println("没有执行批处理时的数据为：");
        query();
        String[] sqls = new String[3];
        sqls[0] = "UPDATE staff SET depart=‘Personnel‘ where name=‘mali‘";
        sqls[1] = "INSERT INTO staff (name, age, sex,address, depart, worklen,wage) VALUES (‘mali  ‘, 27, ‘w‘, ‘china‘,‘Technology‘,‘2‘,‘2300‘)";
        sqls[2] = "DELETE FROM staff where name=‘marry‘";
 
        Connection con = null;
        try {
            con = getConnection();// 获得数据库连接
            boolean supportBatch = supportBatch(con); // 判断是否支持批处理
            System.out.println("支持批处理？ " + supportBatch);
            if (supportBatch) {
 
                int[] results = goBatch(con, sqls);// 执行一批SQL语句
                // 分析执行的结果
                for (int i = 0; i < sqls.length; i++) {
                    if (results[i] >= 0) {
                        System.out.println("语句: " + sqls[i] + " 执行成功，影响了"
                                + results[i] + "行数据");
                    } else if (results[i] == Statement.SUCCESS_NO_INFO) {
                        System.out.println("语句: " + sqls[i] + " 执行成功，影响的行数未知");
                    } else if (results[i] == Statement.EXECUTE_FAILED) {
                        System.out.println("语句: " + sqls[i] + " 执行失败");
                    }
                }
            }
        } catch (ClassNotFoundException e1) {
            throw e1;
        } catch (SQLException e2) {
            throw e2;
        } finally {
            con.close();// 关闭数据库连接
        }
        System.out.println("执行批处理后的数据为：");
        query();
    }
 
    public static Connection getConnection() {// 数据库连接
        Connection con = null;
        try {
            Class.forName("com.mysql.jdbc.Driver");// 加载Mysql数据驱动
            con = DriverManager.getConnection(
                    "jdbc:mysql://localhost:3306/myuser", "root", "123456");// 创建数据连接
        } catch (Exception e) {
            System.out.println("数据库连接失败");
        }
        return con;
    }
 
    public static void query() throws Exception {// 查询所有的数据
        Connection con = getConnection();
        Statement st = con.createStatement();
        ResultSet rs = st.executeQuery("select * from staff");
        while (rs.next()) {
            String name = rs.getString("name");
            int age = rs.getInt("age");
            String sex = rs.getString("sex");
            String address = rs.getString("address");
            String depart = rs.getString("depart");
            String worklen = rs.getString("worklen");
            String wage = rs.getString("wage");
            System.out.println(name + " " + age + " " + sex + " " + address
                    + " " + depart + " " + worklen + " " + wage);
        }
    }
 
}