public MySingleObj GetInstance()
{
if (obj == null)
{
obj = new MySingleObj();
}
return(obj);
}
/// <summary>
/// 线程安全
/// </summary>
/// <returns></returns>
public MySingleObj GetInstance1()
{
//过滤掉是null的
if (obj == null)
{
//多个线程 都是null的话让一个进来
lock (lockobj)
{
//实例化一次
if (obj == null)
{
obj = new MySingleObj();
}
}
}
return(obj);
}