获取电脑信息

**实现功能：**
获取电脑硬件信息

```java
//需要添加引用：System.Management;
//需要导入命名空间:using System.Management;

ManagementClass mc = new ManagementClass("Win32_Processor");
 ManagementObjectCollection moc = mc.GetInstances();
 foreach (ManagementObject mo in moc)
 {
     //CPU序列号
     Console.WriteLine(mo.Properties["ProcessorId"].Value.ToString());

//若想获取所有属性，可迭代ManagementObject.Properties，以下同理;
     //foreach (PropertyData pd in mo.Properties)
     //{
     //    Console.WriteLine(pd.Name + "----" + pd.Value);
     //}

}

mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
 moc = mc.GetInstances();
 foreach (ManagementObject mo in moc)
 {
     if ((bool)mo["IPEnabled"] == true)
     {
         //MAC地址
         Console.WriteLine(mo["MacAddress"].ToString());

//ip地址
         Console.WriteLine(((Array)mo.Properties["IpAddress"].Value).GetValue(0).ToString());
     }
 }

mc = new ManagementClass("Win32_DiskDrive");
 moc = mc.GetInstances();
 foreach (ManagementObject mo in moc)
 {
     //硬盘ID
     Console.WriteLine(mo.Properties["Model"].Value.ToString());
 }

mc = new ManagementClass("Win32_ComputerSystem");
 moc = mc.GetInstances();
 foreach (ManagementObject mo in moc)
 {
     //系统名称
     Console.WriteLine(mo["Name"].ToString());

//登录用户名
     Console.WriteLine(mo["UserName"].ToString());

//pc类型
     Console.WriteLine(mo["SystemType"].ToString());

//内存
     Console.WriteLine(mo["TotalPhysicalMemory"].ToString());
     
     //电脑制造商
     Console.WriteLine(mo["Manufacturer"].ToString());

//电脑型号
     Console.WriteLine(mo["SystemFamily"].ToString());
 }

//获取系统名称2
 Console.WriteLine(System.Environment.GetEnvironmentVariable("ComputerName"));
```