下载下面两个包
HttpClient :httpcomponents-client-4.5.5-bin.zip
官方下载地址:
http://mirrors.hust.edu.cn/apache/httpcomponents/httpclient/binary/httpcomponents-client-5.0-bin.zip
HttpCore :httpcomponents-core-5.0-bin.zip
官方下载地址:
http://mirrors.hust.edu.cn/apache/httpcomponents/httpcore/binary/httpcomponents-core-5.0-bin.zip
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