Utils_utility是什么意思package com example week import java io InputStream import java net HttpURLConne import java net URL Created by 生哥 on 2017 12 2 public class NewUtils private
package com.example.week;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
/**
* Created by 生哥 on 2017/12/2.
*/
public class NewUtils {
private static final String JSON_URL = "https://api.tianapi.com/wxnew/";
private URL url;
private HttpURLConnection urlConnection;
private String data = "";
public String getJsonUrl(final String pa) {
try {
url = new URL(JSON_URL + pa);
urlConnection = (HttpURLConnection) url.openConnection();
urlConnection.setConnectTimeout(5000);
urlConnection.setReadTimeout(5000);
int responseCode = urlConnection.getResponseCode();
if (responseCode == 200) {
InputStream inputStream = urlConnection.getInputStream();
byte[] b = new byte[1024];
int len = 0;
while ((len = inputStream.read(b)) != -1) {
String str = new String(b, 0, len);
data += str;
}
}
} catch (Exception e) {
e.printStackTrace();
}
return data;
}
}
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