在Unity中实现简单的伪时间同步

在unity中实现简单的伪时间同步，只是读取数据库所在电脑的当前时间

using unityengine;
using system.collections;
using system.runtime.interopservices;
using system.data;
using system.data.sqlclient;
public class changetime
{
    //kernel32.dll在32位系统和64位系统有区别，64位系统中需要设置为以管理员身份运行
    [dllimport("kernel32.dll",setlasterror=true,entrypoint="setlocaltime")]
    static extern int setlocaltime(ref systemdatetime lpsystemdatetime);
    public static string getcurrenttimefromdb()
    {
        string result = "";
        //从数据库中获取系统当前时间
        //设置连接字符串
        sqlconnection con = new sqlconnection ("data source=192.168.0.1;initial catalog=db;user id=sa;password=123456");
        sqlcommand cmd = new sqlcommand ();
        cmd.connection = con;
        cmd.commandtype = system.data.commandtype.text;
        //设置连接语句
        cmd.commandtext = "select getdate()";
        sqldataadapter sda = new sqldataadapter(cmd);
        //开启
        sda.selectcommand.connection.open();
        result = sda.selectcommand.executescalar().tostring();
        //关闭
        sda.selectcommand.connection.close();
        return result;
    }
    public static void setlocaldae(string datetime)
    {
        system.datetime date = system.datetime.parse(datetime);
        systemdatetime sysnew = new systemdatetime();
        //设置属性
        sysnew.tyear = short.parse(date.year.tostring());
        sysnew.tmonth = short.parse(date.month.tostring());
        sysnew.tday = short.parse(date.day.tostring());
        sysnew.thour = short.parse(date.hour.tostring());
        sysnew.tminute = short.parse(date.minute.tostring());
        sysnew.tsecond = short.parse(date.second.tostring());
        //调用api，更新系统时间
        setlocaltime(ref sysnew);
    }
}
/// <summary>
/// 定义变量用于接收
/// </summary>
public class systemdatetime
{
    public short tyear;
    public short tmonth;
    public short tdayofweek;
    public short tday;
    public short thour;
    public short tminute;
    public short tsecond;
    public short tmilliseconds;
}

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