Java:调用http的post方式带body参数
2022/1/11 17:05:58
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调用http的post方式带body参数
import java.net.HttpURLConnection; import java.net.URL;
//方法,参数params,{"image":"str_base"}
public static String httpPost(String serverURL, String params) { HttpURLConnection connection = null; BufferedReader reader = null; InputStream is = null; OutputStreamWriter writer = null; try{ StringBuffer sbf = new StringBuffer(); String strRead = null; URL url = new URL(serverURL); connection = (HttpURLConnection)url.openConnection(); connection.setRequestMethod("POST");//请求post方式 connection.setDoInput(true); connection.setDoOutput(true); //header内的的参数在这里set //connection.setRequestProperty("key", "value"); connection.setRequestProperty("Content-Type", "application/json;charset=\"UTF-8\""); connection.connect(); writer = new OutputStreamWriter(connection.getOutputStream(),"UTF-8"); //body参数放这里 writer.write(params); writer.flush(); is = connection.getInputStream(); reader = new BufferedReader(new InputStreamReader(is, "UTF-8")); while ((strRead = reader.readLine()) != null) { sbf.append(strRead); sbf.append("\r\n"); } reader.close(); is.close(); writer.close(); connection.disconnect(); String results = sbf.toString(); System.out.println("str_base>>>:"+results); return results; }catch (IOException e){ e.printStackTrace(); return ""; }finally { try { if(connection != null){ connection.disconnect(); } if(reader != null){ reader.close(); } if(is != null){ is.close(); } if(writer != null){ writer.close(); } }catch (Exception e){ e.printStackTrace(); } } }
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