模仿当当网androi客户端+服务器端源代码+能运行+讲解eg://访问网站数据库获取数据privateStringconnWeb(Stringurl){Stringstr="";try{HttpGetrequest=newHttpGet(url);HttpClienthttpClient=newDefaultHttpClient();HttpResponseresponse=httpClient.execute(request);if(response.getStatusLine().getSta