java调用存储过程

importjava.sql.*;

publicclassProcedureTest...{
publicstaticvoidmain(String[]args)...{
try...{
Class.forName(
"com.microsoft.jdbc.sqlserver.SQLServerDriver");
Stringurl
="jdbc:microsoft:sqlserver://localhost:1433;databasename=pubs";
Connectionconn
=DriverManager.getConnection(url,"sa","");

CallableStatementcst
=conn.prepareCall("{callgetMp3()}");
ResultSetrs
=cst.executeQuery();
while(rs.next())...{
System.out.println(rs.getString(
2));
}

}
catch(Exceptionex)...{
ex.printStackTrace();
}

}

}

getMp3()是存储过程的名字;

我用的sql2000的数据库

注意,以下使用数据库为sql2000,驱动jtds1.2.2 一、调用存储过程(无结果集返回) Connection connection = ConnectionHelper.getConnection(); CallableStatement callableStatement = connection.prepareCall("{ call procedureName(?,?) }"); callableStatement.setString(1, "xxxxxxxx"); callableStatement.setString(2, "xxxxxxxx"); callableStatement.execute(); //获得sql的消息并输出,这个估计很多人都需要 SQLWarning sqlWarning = callableStatement.getWarnings(); while (sqlWarning != null) { System.out.println("sqlWarning.getErrorCode() = " + sqlWarning.getErrorCode()); System.out.println("sqlWarning.getSQLState() = " + sqlWarning.getSQLState()); System.out.println("sqlWarning.getMessage() = " + sqlWarning.getMessage()); sqlWarning = sqlWarning.getNextWarning(); } //close ConnectionHelper.closeConnection(callableStatement, connection); 二、调用存储过程,返回sql类型数据(非记录集) Connection connection = ConnectionHelper.getConnection(); CallableStatement callableStatement = connection.prepareCall("{ call procedureName(?,?,?) }"); callableStatement.setString(1, "xxxxxxxx"); callableStatement.setString(2, "xxxxxxxx"); //重点是这句1 callableStatement.registerOutParameter(3, Types.INTEGER); callableStatement.execute(); //取返回结果,重点是这句2 //int rsCount = callableStatement.getInt(3); //close ConnectionHelper.closeConnection(callableStatement, connection); 三、重点来了,返回记录集,多记录集 注意,不需要注册返回结果参数,只需要在sql中select出结果即可 例如:select * from tableName 即可得到返回结果 Connection connection = ConnectionHelper.getConnection(); CallableStatement callableStatement = connection.prepareCall("{ call procedureName(?) }"); //此处参数与结果集返回没有关系 callableStatement.setString(1, "xxxxxxxx"); callableStatement.execute(); ResultSet resultSet = callableStatement.getResultSet(); //以上两个语句,可以使用ResultSet resultSet = callableStatement.executeQuery();替代 //多结果返回 ResultSet resultSet2; if (callableStatement.getMoreResults()) { resultSet2 = callableStatement.getResultSet(); while (resultSet2.next()) { } } //close ConnectionHelper.closeConnection(callableStatement, connection); 提示:多结果返回可以使用如下代码(以上主要让大家明白,单一结果和多结果的区别): Boolean hasMoreResult = true; while (hasMoreResult) { ResultSet resultSet = callableStatement.getResultSet(); while (resultSet.next()) { } hasMoreResult = callableStatement.getMoreResults(); }
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