Java SE
java 发送HTTP POST 出现500错误
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我也要 关注 + 加入社区 public String Post(String content, String charset, String url) {
try {
URL u = new URL(url);
HttpURLConnection http = (HttpURLConnection) u.openConnection();
/*
http.setDoOutput(true);
http.setDoInput(true);
http.setRequestMethod("POST");
http.setConnectTimeout(50000);
http.setReadTimeout(50000);
http.connect();
OutputStream output = http.getOutputStream();
output.write(content.getBytes());
output.flush();
output.close();
*/
//如果吧注释取消掉就出现了严重: null
java.io.IOException: Server returned HTTP response code: 500 for URL: 问题出在哪呢
System.out.println(http.getResponseCode());
StringBuilder sb = new StringBuilder();
BufferedReader in;
if (charset != null) {
in = new BufferedReader(new InputStreamReader(http.getInputStream(), charset));
} else {
in = new BufferedReader(new InputStreamReader(http.getInputStream()));
}
String line = "";
while ((line = in.readLine()) != null) {
sb.append(line).append("\n");
}
in.close();
http.disconnect();
return sb.toString();
} catch (Exception ex) {
Logger.getLogger(Test.class.getName()).log(Level.SEVERE, null, ex);
System.out.println(url + " Post ");
return null;
}
}
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