用PowerShell的命令行检查文件的校验MD5 SHA1 SHA256
certutil -hashfile yourfilename.ext MD5
certutil -hashfile yourfilename.ext SHA1
certutil -hashfile yourfilename.ext SHA256
certutil -hashfile yourfilename.ext MD5
certutil -hashfile yourfilename.ext SHA1
certutil -hashfile yourfilename.ext SHA256