public class GetPlaceByIp {
private static String readAll(Reader rd) throws IOException {
StringBuilder sb = new StringBuilder();
int cp;
while ((cp = rd.read()) != -1) {
sb.append((char) cp);
}
return sb.toString();
}
public static JSONObject readJsonFromUrl(String url) throws IOException, JSONException {
InputStream is = new URL(url).openStream();
try {
BufferedReader rd = new BufferedReader(new InputStreamReader(is, Charset.forName("UTF-8")));
String jsonText = readAll(rd);
JSONObject json = new JSONObject(jsonText);
return json;
} finally {
is.close();
// System.out.println("同时 从这里也能看出 即便return了,仍然会执行finally的!");
}
}
public static void main(String[] args) throws IOException, JSONException {
//这里调用百度的ip定位api服务 详见 http://api.map.baidu.com/lbsapi/cloud/ip-location-api.htm
JSONObject json = readJsonFromUrl("http://api.map.baidu.com/location/ip?ak=OGNLmlzGl46KE7HU0hblDk2zXPPv0w5v&ip=58.250.63.74");
System.out.println(json.toString());
System.out.println(((JSONObject)((JSONObject) json.get("content")).get("address_detail")).get("city"));
}
}
java根据ip地质调用百度定位api服务获取地理位置示例
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转载自blog.csdn.net/u012965203/article/details/58121427
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