java 獲取HttpRequest Header 的幾種方法
阿新 • • 發佈:2019-01-01
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;
@Controller
@RequestMapping("/site")
public class SiteController {
@Autowired
private HttpServletRequest request;
@RequestMapping(value = "/{input:.+}", method = RequestMethod.GET)
public ModelAndView getDomain(@PathVariable("input") String input) {
ModelAndView modelandView = new ModelAndView("result");
modelandView.addObject("user-agent", getUserAgent());
modelandView.addObject("headers", getHeadersInfo());
return modelandView;
}
//get user agent
private String getUserAgent() {
return request.getHeader("user-agent");
}
//get request headers
private Map<String, String> getHeadersInfo() {
Map<String, String> map = new HashMap<String, String>();
Enumeration headerNames = request.getHeaderNames();
while (headerNames.hasMoreElements()) {
String key = (String) headerNames.nextElement();
String value = request.getHeader(key);
map.put(key, value);
}
return map;
}
}