各位大侠：从网上下载的一些文件、资料该怎么读出来啊！

Question

--=====002_skywalker296378976_2120977829_=====
Content-Type: text/plain;
charset="GB2312"
Content-Transfer-Encoding: base64x+vKudPD5K/AwMb3xKPKvQ==
--=====002_skywalker296378976_2120977829_=====
Content-Type: text/html;
charset="GB2312"
Content-Transfer-Encoding: base64PEhUTUw+PEhFQUQ+DQo8VElUTEU+Q1NETtPKvP7G2r+vPC9USVRMRT4NCjxNRVRBIGNvbnRlbnQ9
Ik1pY3Jvc29mdCBGcm9udFBhZ2UgNC4wIiBuYW1lPUdFTkVSQVRPUj4NCjxzdHlsZSB0eXBlPSJ0
ZXh0L2NzcyI+DQo8IS0tDQoNCkE6bGluayB7DQoJQ09MT1I6ICMxOTA1NTI7IFRFWFQtREVDT1JB
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T046IG5vbmUNCn0NCkE6dmlzaXRlZCB7DQoJQ09MT1I6ICMyOTA5OGE7IFRFWFQtREVDT1JBVElP
Tjogbm9uZQ0KfQ0KQTpob3ZlciB7DQoJQ09MT1I6ICMyOTA5OGE7IFRFWFQtREVDT1JBVElPTjog
dW5kZXJsaW5lDQp9DQpBOnVua25vd24gew0KCVRFWFQtREVDT1JBVElPTjogbm9uZQ0KfQ0KQS50
b3A6dW5rbm93biB7DQoJVEVYVC1ERUNPUkFUSU9OOiBub25lDQp9DQpBLnRvcDpsaW5rIHsNCglD
T0xPUjogIzAwMDAwMDsgVEVYVC1ERUNPUkFUSU9OOiBub25lOyBmYWNlOiBBcmlhbA0KfQ0KQS50..............

Answer 1

使用相应的解码程序。
Content-Transfer-Encoding: base64
说明了以下的编码是Base64的编码格式。