C#Winform使用mysql作为本地数据库

时间:2023-03-09 18:58:20
C#Winform使用mysql作为本地数据库

MYSQL是老牌关系型数据库,在受够了sqlite,mslocaldb,sqlce等本地数据库之后,发现了mysql5.6的一些版本也可以绿色安装,编程实现从资源文件里面解压到目标机器上,并配置好成为本机系统服务。并且EF的mysql驱动对code first支持非常好。于是探索出了用mysql来做本地数据库的方法。

my.ini配置

[client]
port=3308
[mysql]
default-character-set=gbk [mysqld]
port=3308
basedir="%BaseDir%"
datadir="%BaseDir%data/"
character-set-server=gbk
default-storage-engine=MyISAM
sql-mode="NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION"
max_connections=512 query_cache_size=0
table_cache=256
tmp_table_size=18M thread_cache_size=8
myisam_max_sort_file_size=64G
myisam_sort_buffer_size=35M
key_buffer_size=25M
read_buffer_size=256K
read_rnd_buffer_size=64M
sort_buffer_size=256M innodb_additional_mem_pool_size=24M innodb_flush_log_at_trx_commit=1
innodb_log_buffer_size=12M innodb_buffer_pool_size=47M
innodb_log_file_size=24M
innodb_thread_concurrency=8

从资源文件里面解压mysql

/// <summary>
/// 检查MySQL服务是否运行,如果没有安装MySQL自动解压并初始化
/// </summary>
private static void InitMysqlService()
{
WaitUI.WorkMessage = "第一次使用系统,正在初始化本地数据库...";
byte[] zipfile = (byte[])Properties.Resources.ResourceManager.GetObject("MySQLx86");
System.IO.File.WriteAllBytes("MySQLx86.zip", zipfile);
UnZip("MySQLx86.zip", "", "", true);
#region 初始化MySQL
try
{
string physicalRoot = AppDomain.CurrentDomain.BaseDirectory + "MySQLx86\\";
//1.修改my.ini配置 为防止本机已装mysql,特修改my.ini中端口号为3308
string iniFile = System.IO.File.ReadAllText(physicalRoot + "my.ini");
iniFile = iniFile.Replace("%BaseDir%", physicalRoot.Replace("\\", "/")); //%BaseDir%为my.ini中自定义的目录参数
System.IO.File.WriteAllText(physicalRoot + "my.ini", iniFile);
//2.创建win服务
string info1 = Execute(physicalRoot + "bin\\mysqld.exe" + " install MySQLd --defaults-file=\"" + physicalRoot + "my.ini\"", );
Debug.WriteLine(info1);
//3.启动服务
string info2 = Execute("net start MySQLd", );
Debug.WriteLine(info2);
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
finally
{
System.IO.File.Delete("MySQLx86.zip");
ServiceController serviceController = ServiceController.GetServices().Where(sc => sc.ServiceName.Equals("MySQLd")).FirstOrDefault();
if (serviceController != null && serviceController.Status != ServiceControllerStatus.Running)
{
serviceController.Start();
}
}
#endregion
}
/// <summary>
/// 解压文件
/// </summary>
/// <param name="zipedFile"></param>
/// <param name="strDirectory"></param>
/// <param name="password"></param>
/// <param name="overWrite"></param>
private static void UnZip(string zipedFile, string strDirectory, string password, bool overWrite)
{
if (strDirectory == "")
strDirectory = Directory.GetCurrentDirectory();
if (!strDirectory.EndsWith("\\"))
strDirectory = strDirectory + "\\";
using (ZipInputStream s = new ZipInputStream(System.IO.File.OpenRead(zipedFile)))
{
s.Password = password;
ZipEntry theEntry;
while ((theEntry = s.GetNextEntry()) != null)
{
string directoryName = "";
string pathToZip = "";
pathToZip = theEntry.Name;
if (pathToZip != "")
directoryName = Path.GetDirectoryName(pathToZip) + "\\";
string fileName = Path.GetFileName(pathToZip);
Directory.CreateDirectory(strDirectory + directoryName);
if (fileName != "")
{
if ((System.IO.File.Exists(strDirectory + directoryName + fileName) && overWrite) || (!System.IO.File.Exists(strDirectory + directoryName + fileName)))
{
using (FileStream streamWriter = System.IO.File.Create(strDirectory + directoryName + fileName)) {
int size = ;
byte[] data = new byte[];
while (true)
{
size = s.Read(data, , data.Length);
if (size > )
streamWriter.Write(data, , size);
else
break;
}
streamWriter.Close();
}
}
}
}
s.Close();
}
}