//对于in参数，已经赋值 call.setInt(1,7839); java.lang.NullPointerException at demo.oracle.TestProcedure.testProcedure(TestProcedure.java:33)

package demo.oracle;

import java.sql.CallableStatement;

import java.sql.Connection;

import org.junit.Test;

import com.sun.java_cup.internal.runtime.Symbol;

import demo.utils.JDBCUtils;

import oracle.jdbc.driver.OracleTypes;

/*

 * Create Or Replace Procedure queryempinform(eno In Number,

 *                                           pename Out Varchar2,

 *                                           psal Out Number,

 *                                           pjob Out Varchar2)

 *

 */

public class TestProcedure {

@Test

public void testProcedure(){

//{call <procedre-ane>[(<arg1>,<arg2>,...)]}

String sql="{call queryempinform(?,?,?,?)}";

Connection conn=null;

CallableStatement call=null;

try {

//得到一个连接

conn=JDBCUtils.getConnection();

//通过连接创建statment

call=conn.prepareCall(sql);

//对于in参数，赋值

call.setInt(1,7839);

//对于out参数，申明

//OracleType就是将oracle内所以类型转变成JAVA常量

call.registerOutParameter(2,OracleTypes.VARCHAR);

call.registerOutParameter(3,OracleTypes.NUMBER);

call.registerOutParameter(4,OracleTypes.VARCHAR);

//执行调用

call.execute();

//取出结果

String name = call.getString(2);

double sal =call.getDouble(3);

String job = call.getString(4);

System.out.println(name+"\t"+sal+"\t"+job+"\t");

} catch (Exception e) {

e.printStackTrace();

}finally{

//关闭资源

JDBCUtils.shifang(conn, call, null);

}

}

}