MyEclipse6.5连接不上sqlserver2008

非常感谢，下面是我的basedao，貌似没有错的，你看看 package com.scce.dao; import java.io.Serializable; import java.sql.*; import javax.servlet.jsp.jstl.sql.Result; import javax.servlet.jsp.jstl.sql.ResultSupport; public class BaseDAO impleme

非常感谢，下面是我的basedao，貌似没有错的，你看看

package com.scce.dao;

import java.io.Serializable;
import java.sql.*;
import javax.servlet.jsp.jstl.sql.Result;
import javax.servlet.jsp.jstl.sql.ResultSupport;

public class BaseDAO implements Serializable {
 private static final String DRIVER = "com.microsoft.sqlserver.jdbc.SQLServerDriver";
 private static final String URL = "jdbc:sqlserver://localhost:1433;databasename=GameCard_DB";

 public static Connection getConnection() {
  Connection con = null;
  try {
   Class.forName(DRIVER);
   con = DriverManager.getConnection(URL, "sa", "scce");
  } catch (Exception e) {
   e.printStackTrace();
  }
  return con;
 }

 /**************************************************** 执行SQL语句 *********************************************************/
 // 运行有结果集，无参数的sql语句
 public static Result runSelectSql(String sql) {
  Connection con = null;
  PreparedStatement ps = null;
  ResultSet res = null;
  Result result = null;
  try {
   con = getConnection();
   ps = con.prepareStatement(sql);
   res = ps.executeQuery();
   result = ResultSupport.toResult(res);
  } catch (Exception e) {
   e.printStackTrace();
  } finally {
   try {
    res.close();
    ps.close();
    con.close();
   } catch (Exception e) {
    e.printStackTrace();
   }
  }
  return result;
 }

 // 运行有结果集，有参数的sql语句
 public static Result runSelectSql(String sql, Object[] params) {
  Connection con = null;
  PreparedStatement ps = null;
  ResultSet res = null;
  Result result = null;
  try {
   con = getConnection();
   ps = con.prepareStatement(sql);
   for (int i = 0; i     ps.setObject(i + 1, params[i]);
   }
   res = ps.executeQuery();
   result = ResultSupport.toResult(res);
  } catch (Exception e) {
   e.printStackTrace();
  } finally {
   try {
    res.close();
    ps.close();
    con.close();
   } catch (Exception e) {
    e.printStackTrace();
   }
  }
  return result;
 }

 // 运行无结果集，无参数的sql语句
 public static boolean runUpdateSql(String sql) {
  Connection con = null;
  PreparedStatement ps = null;
  try {
   con = getConnection();
   ps = con.prepareStatement(sql);
   ps.executeUpdate();
   return true;
  } catch (Exception e) {
   e.printStackTrace();
   return false;
  } finally {
   try {
    ps.close();
    con.close();
   } catch (Exception e) {
    e.printStackTrace();
   }
  }

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 }

 // 运行无结果集，有参数的sql语句
 public static boolean runUpdateSql(String sql, Object[] params) {
  Connection con = null;
  PreparedStatement ps = null;
  try {
   con = getConnection();
   ps = con.prepareStatement(sql);
   for (int i = 0; i     ps.setObject(i + 1, params[i]);
   }
   ps.executeUpdate();
   return true;
  } catch (Exception e) {
   e.printStackTrace();
   return false;
  } finally {
   try {
    ps.close();
    con.close();
   } catch (Exception e) {
    e.printStackTrace();
   }
  }
 }

 /**************************************************** 执行存储过程语句 *********************************************************/
 // 无结果集，无参数的存储过程
 public static boolean runUpdateByProc(String procName) {
  Connection con = null;
  CallableStatement cs = null;
  try {
   con = getConnection();
   String proc = String.format("{call %s()}", procName);
   cs = con.prepareCall(proc);
   return cs.executeUpdate() > 0;
  } catch (Exception e) {
   e.printStackTrace();
  } finally {
   try {
    cs.close();
    con.close();
   } catch (Exception e) {
    e.printStackTrace();
   }
  }
  return false;
 }
 
 // 无结果集，有参数的存储过程
 public static boolean runProcUpdate(String procName, Object[] params) {
  Connection con = null;
  CallableStatement cs = null;
  try {
   con = getConnection();
   String proc = "{call " + procName + "(";
   for (int i = 0; i     proc += "?,";
   }
   proc = proc.substring(0, proc.length() - 1) + ")}";
   cs = con.prepareCall(proc);
   for (int i = 0; i     // 说明是输入参数
    if (params[i] != null) {
     cs.setObject(i + 1, params[i]);
    }
    // 否则输出参数，就要注册
    else {
     // 第一个为位置，第二个为类型
     cs.registerOutParameter(i + 1, java.sql.Types.VARCHAR);
    }
   }
   cs.executeUpdate();// 只是执行了存储过程，但是还没有把执行赋给输出参数
   for (int i = 0; i     if (params[i] == null) { // 说明是输出参数
     params[i] = cs.getObject(i + 1);
    }
   }
   return true;
  } catch (Exception e) {
   e.printStackTrace();
   return false;
  } finally {
   try {
    cs.close();
    con.close();
   } catch (Exception e) {
    e.printStackTrace();
   }
  }
 }

 // 有结果集，无参数的存储过程
 public static Result runSelectByProc(String procName) {
  Connection con = null;
  ResultSet res = null;
  Result result = null;
  CallableStatement cs = null;
  try {
   con = getConnection();
   String proc = String.format("{call %s}", procName);
   cs = con.prepareCall(proc);
   res = cs.executeQuery();
   result = ResultSupport.toResult(res);
  } catch (Exception e) {
   e.printStackTrace();
  } finally {
   try {
    res.close();
    cs.close();
    con.close();
   } catch (Exception e) {
    e.printStackTrace();
   }
  }
  return result;
 }

 // 有结果集，有参数的存储过程
 public static Result runSelectByProc(String procName, Object[] params) {
  Connection con = null;
  PreparedStatement ps = null;
  ResultSet res = null;
  Result result = null;
  CallableStatement cs = null;
  try {
   con = getConnection();
   String proc = "{call " + procName + "(";
   for (int i = 0; i     proc += "?,";
   }
   proc = proc.substring(0, proc.length() - 1) + ")}";
   cs = con.prepareCall(proc);
   for (int i = 0; i     if (params[i] != null)
    {
     cs.setObject(i + 1, params[i]);
    } else
    {

     cs.registerOutParameter(i + 1, java.sql.Types.VARCHAR);
    }
   }
   res = cs.executeQuery();
   result = ResultSupport.toResult(res);
   for (int i = 0; i     if (params[i] == null)
    {
     params[i] = cs.getObject(i + 1);
    }
   }
  } catch (Exception e) {
   e.printStackTrace();
  } finally {
   try {
    cs.close();
    con.close();
   } catch (Exception e) {
    e.printStackTrace();
   }
  }
  return result;
 }

}