connection.getResponseCode()!=200

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android在网络编程的时候没有执行connection.getResponseCode()!=200

1.用真机测试的时候，电脑必须和手机连同一个局域网。

2.必须开新线程，不放在主线程里面访问。

new Thread(){
public void run() {
Looper.prepare();
try {

URL url=new URL("http://192.168.191.1:8080/movie/servlet/FileServlet");
HttpURLConnection connection=(HttpURLConnection)url.openConnection();
connection.setConnectTimeout(5000);
connection.setRequestMethod("GET");
if (connection.getResponseCode()!=200) {
Log.e("aaa", url.toString());
throw new Exception("URL请求失败！");
}
Log.e("bbb", url.toString());
InputStream inputStream=connection.getInputStream();

result=readData(inputStream, "UTF-8");
} catch (Exception e) {
// TODO: handle exception
}
myhandle.sendEmptyMessage(0x1122);
};
}.start();

connection.getResponseCode()!=200

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原文地址：http://www.cnblogs.com/hxh969012806/p/5233612.html