Android PHP服务网络交互POST

来源：互联网发布：中国近10年gdp数据编辑：程序博客网时间：2024/05/29 13:39

public String post(String url, HashMap<String, String> param, List<File> files, String fileName) {        String result = "";        String end = "\r\n";        String twoHyphens = "--";        String boundary = "ABCDEFG";        try {            URL requestUrl = new URL(url);            HttpURLConnection httpURLConnection = (HttpURLConnection) requestUrl.openConnection();            httpURLConnection.setChunkedStreamingMode(128 * 1024);//128k防止内存过高            //允许输入输出流            httpURLConnection.setDoInput(true);            httpURLConnection.setDoOutput(true);            httpURLConnection.setUseCaches(false);            httpURLConnection.setRequestMethod("POST");            httpURLConnection.setRequestProperty("Connection", "Keep-Alive");            httpURLConnection.setRequestProperty("Charset", "UTF-8");            httpURLConnection.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary);            DataOutputStream dos = new DataOutputStream(httpURLConnection.getOutputStream());            //字段            Iterator iterator = param.entrySet().iterator();            while (iterator.hasNext()) {                dos.writeBytes(twoHyphens + boundary + end);                Map.Entry entry = (Map.Entry) iterator.next();                dos.writeBytes("Content-Disposition:form-data;name=\"" + entry.getKey() + "\"" + end);                dos.writeBytes(end);                dos.writeBytes(URLEncoder.encode(entry.getValue().toString(),"UTF-8"));                dos.writeBytes(end);            }            //文件            for (File file : files) {                dos.writeBytes(twoHyphens + boundary + end);                dos.writeBytes("Content-Disposition:form-data;name=\"" + fileName + "\";filename=\"" + file.getName() + "\"" + end);                dos.writeBytes(end);                FileInputStream fis = new FileInputStream(file);                byte[] buffer = new byte[8 * 1024];                int count = 0;                while ((count = fis.read(buffer)) != -1) {                    dos.write(buffer, 0, count);                }                fis.close();                dos.writeBytes(end);            }            dos.writeBytes(twoHyphens + boundary + twoHyphens + end);            dos.flush();            InputStream is = httpURLConnection.getInputStream();            InputStreamReader isr = new InputStreamReader(is, "UTF-8");            BufferedReader br = new BufferedReader(isr);            result = br.readLine();            dos.close();            is.close();        } catch (Exception e) {            e.printStackTrace();            Log.e("Android", e.getLocalizedMessage());        }        return result;    }

<pre name="code" class="java">public String post(String url, HashMap<String, String> param, List<File> files, String fileName) {}

url：请求地址

param：请求参数

files：要传送的文件

fileName：接受文件要用的名字

自己撸的服务端是PHP的

感觉自己撸的传输速度还是比较快的

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