C# 登录贴吧，如何保持登录状态

cyberarmy · 发表于 2013-5-3 13:42:29

已经登录成功，返回如下html文本

{"error_code":0,"anti":{"tbs":"25fc4c13ddf2008e1367558679"},"user":{"id":"466858821","name":"\u8499\u9634\u5927\u4f6c","BDUSS":"011UVFOZEN5OW1ULU5sc2hRRGtWNlRBdHI4fmF5d3o2TnNGS0RXdFdtMFgxNnBSQVFBQUFBJCQAAAAAAAAAAAEAAABFs9Mbw8nS9bTzwNAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABdKg1EXSoNRT","passwd":"qw_xwdQ5fhAF5172+9Em\/TboG76xbedFnGrohllHtVe6elOy\/mU4O7qfVOTelwYgeEhI7jg+Z6jOJqn3+GtDr3zOqivhEQmrCnUb9EqerinLJC+CZjLizBwMG4yJQpuEYAHpoA9qMlj2s8TXmhzG6YgTD+GPPucBlhgOLEw8JMeLPf21WpPv5TCuQNwbzQkwjiRyeJ2NsPsBxw6xOiwHhaF7uNed2rUhwkF5fAaSgs9gJ8="},"time":1367558679,"ctime":0,"logid":1479390858}

怎么保持登录状态呢，求告知、、、、