URL url = new URL("https://www.baidu.com");//这里 connection = (HttpURLConnection) url.openConnection(); if (connection.getResponseCode() != HttpURLConnection.HTTP_OK) { Log.e("NETERROR:","not ok"+connection.getResponseMessage()+connection.getResponseCode()); return; }现在网站的传输协议有的是HTTP,有的是HTTPS,当url输入出错时会返回302重定向,修改一下就好
Android网络开发之返回码302
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