代码：
response：
HttpResponseProxy{HTTP/1.1 200 OK [Server: nginx/1.10.2, Date: Tue, 27 Nov 2018 00:10:52 GMT, Content-Type: text/plain;charset=UTF-8, Content-Length: 12, Connection: close, Set-Cookie: JSESSIONID=4495D9D910BA9D1910B8B7A56B0D1B1C; Path=/; HttpOnly, P3P: CP='IDC DSP COR ADM DEVi TAIi PSA PSD IVAi IVDi CONi HIS OUR IND CNT'] ResponseEntityProxy{[Content-Type: text/plain;charset=UTF-8,Content-Length: 12,Chunked: false]}}
报错信息：
org.apache.http.ConnectionClosedException: Premature end of Content-Length delimited message body (expected: 12; received: 0
直接在浏览器输入url或者jquery都能访问到，并且有返回值。但是在这里就是不行，从输入流读数据的时候就报错了，求大神解答~~
