java Http GET请求实例

public static String sendHttpConnection(url) {
　　PrintWriter out = null;
　　BufferedReader in = null;
　　String result = "";
try {
URL urls = new URL(url+"?userid=132465");
HttpURLConnection conn = (HttpURLConnection) urls.openConnection();
conn.setRequestMethod("GET");

conn.setRequestProperty("Content-Type", "application/json");

conn.setDoOutput(true);
conn.setDoInput(true);
conn.setReadTimeout(10000);
conn.setConnectTimeout(10000);
out = new PrintWriter(conn.getOutputStream());

out.flush();

in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "utf-8"));
String line;
while ((line = in.readLine()) != null) {
result += line;
}

} catch (Exception e) {
log.error("发送 GET 请求出现异常！", e);
} finally {
try {
if (out != null) {
out.close();
}
if (in != null) {
in.close();
}
} catch (IOException ex) {
}
}
return result;
}