/**
1、连接网址,并获取返回数据json,记住callback=JSON_CALLBACK一定要加
*/
public String getHttpResponse(String id) {
String allConfigUrl ="网址?callback=JSON_CALLBACK&参数=????";
BufferedReader in = null;
StringBuffer result = null;
try {
URI uri = new URI(allConfigUrl);
URL url = uri.toURL();
URLConnection connection = url.openConnection();
connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
connection.setRequestProperty("Charset", "utf-8");
connection.setRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36)");
connection.connect();
result = new StringBuffer();
//读取URL的响应
in = new BufferedReader(new InputStreamReader(
connection.getInputStream()));
String line=null;
while (!((line=in.readLine())==null)) {
result.append(line);
}
return result.toString();
} catch (Exception e) {
e.printStackTrace();
}finally {