解决oracle Array字符集问题的调试手记._oracle.sql.array无法转换为java.sql.resultset-优快云博客

本文链接：https://blog.youkuaiyun.com/axman/article/details/3157134

本文介绍了一个使用 Java 进行 Oracle 数据库操作的示例，主要内容涉及通过 Java 调用 Oracle 存储过程并处理返回的游标数据。示例中展示了如何注册输出参数、创建数组、执行存储过程及获取结果集。

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import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

import oracle.jdbc.OracleTypes;
import oracle.jdbc.rowset.OracleCachedRowSet;
import oracle.sql.ARRAY;
import oracle.sql.ArrayDescriptor;
import oracle.sql.CharacterSet;

public class Temp {

/**
* @param args
*/
public static void main(String[] args) throws Exception{

  Class.forName("oracle.jdbc.driver.OracleDriver");
  Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@xxxxxxxx:1521:billbj1","xxxx","xxxx");
  CallableStatement callableStatement = conn.prepareCall("{? = call xxxxxxxxxxxxx(?,?,?,?)}");
  callableStatement.registerOutParameter(1, OracleTypes.CURSOR);

CharacterSet dbCharset = CharacterSet.make(CharacterSet.AL32UTF8_CHARSET); //可以指定调试的字符集.

  List<oracle.sql.CHAR> cid = new ArrayList<oracle.sql.CHAR>();
  oracle.sql.CHAR value = new   oracle.sql.CHAR("6487",   dbCharset);
  cid.add(value);

  List<oracle.sql.CHAR> nid = new ArrayList<oracle.sql.CHAR>();
  value = new   oracle.sql.CHAR("0105591",   dbCharset);
  nid.add(value);

  ARRAY channelIdArray = createArray("CHANNELIDARRAY", cid, conn);
     callableStatement.setArray(2, channelIdArray);
     callableStatement.setString(3, "200810010000");
     callableStatement.setString(4, "200810010059");
     ARRAY nodeIdArray = createArray("NODEIDARRAY", nid, conn);
     callableStatement.setArray(5, nodeIdArray);
     callableStatement.execute();

  ResultSet rs1 = (ResultSet) callableStatement.getObject(1);
  OracleCachedRowSet rs = new OracleCachedRowSet();
  rs.populate(rs1);
  rs1.close();
  callableStatement.close();
  conn.close();
  int x = 0;
  while(rs.next() && ++x < 10){
   java.sql.Timestamp d = rs.getTimestamp(1);

   System.out.println(d.toString());
  }
}
private static ARRAY createArray(final String sqlTypeName,
   final List<oracle.sql.CHAR> channelIds, Connection connection)
   throws SQLException {
  ArrayDescriptor channelIdArraydesc = ArrayDescriptor.createDescriptor(
    sqlTypeName, connection);
  ARRAY channelIdArray = new ARRAY(channelIdArraydesc, connection,channelIds.toArray(new oracle.sql.CHAR[0]));
  return channelIdArray;
}
}