Unity连接Sql数据库（PC端）

using System;
using UnityEngine;
using System.Collections;
using System.Data;
using System.Data.SqlClient;
using UnityEngine.UI;

public class ConnectSQL : MonoBehaviour
{

    public Text m_messageTex;//连接是否成功文本

    public Text m_sqlInfoTex;//显示读取数据库中的信息

    void Start()
    {
        //连接数据库的字符串（参数1：数据库地址，参数2：数据库名称，参数3：用户名，参数4：密码）
        string tConnectStr = "server=127.0.0.1;database=MyDatabase;uid=sa;pwd=666";
        //申请一个连接对象
        SqlConnection tSqlConnection = new SqlConnection(tConnectStr);

        //如果关闭则打开
        if (tSqlConnection.State == ConnectionState.Closed)
        {
            tSqlConnection.Open();

        }

        //读取数据库中的表数据
        string tSqlStr = "select * from UserInfo Where Id = 13";
        SqlCommand tSqlCommand = new SqlCommand(tSqlStr, tSqlConnection);

        //申请一个用于存储读取来的数据容器
        SqlDataReader tSqlDataReader = null;

        try
        {
            //存储所有读来的数据
            tSqlDataReader = tSqlCommand.ExecuteReader();
            //一行一行读取数据
            while (tSqlDataReader.Read())
            {
                m_sqlInfoTex.text = tSqlDataReader["Name"].ToString();

                m_messageTex.text = "连接成功";
            }
        }
        //抛出异常
        catch (Exception exception)
        {
            m_messageTex.text = "连接失败";

            throw new Exception(exception.Message);
        }
        finally
        {
            //关闭数据库
            tSqlConnection.Close();

            //释放资源
            tSqlConnection.Dispose();
        }
        
    }


}