如何使用Android中的HTTPClient在JSON中发送POST请求?我想弄清楚如何使用HTTPClient从Android发布JSON。我已经尝试了一段时间了,我在网上找到了很多例子,但我无法让它们中的任何一个发挥作用。我相信这是因为我缺乏JSON/网络知识。我知道有很多的例子,但谁能指点我一个实际的教程吗?我正在寻找一个一步的过程和代码,并解释为什么你要做每一步,或该步骤做什么。它不需要是一个复杂的,简单的就够了。再说一遍,我知道有很多例子,我只是想找一个例子来解释到底发生了什么,为什么会这样做。如果有人知道这方面有一本好的安卓书,请告诉我。再次感谢帮助@Terress,下面是我描述的代码public void shNameVerParams() throws Exception{
String path = //removed
HashMap params = new HashMap();
params.put(new String("Name"), "Value");
params.put(new String("Name"), "Value");
try {
HttpClient.SendHttpPost(path, params);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
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跃然一笑
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HttpURLConnection
HttpGet
HttpGet
HttpURLConnection httpcon; String url = null;String data = null;String result = null;try { //Connect httpcon = (HttpURLConnection) ((new URL (url).openConnection())); httpcon.setDoOutput(true); httpcon.setRequestProperty("Content-Type", "application/json"); httpcon.setRequestProperty("Accept", "application/json"); httpcon.setRequestMethod("POST"); httpcon.connect(); //Write OutputStream os = httpcon.getOutputStream(); BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(os, "UTF-8")); writer.write(data); writer.close(); os.close(); //Read BufferedReader br = new BufferedReader(new InputStreamReader(httpcon.getInputStream(),"UTF-8")); String line = null; StringBuilder sb = new StringBuilder(); while ((line = br.readLine()) != null) { sb.append(line); } br.close(); result = sb.toString();} catch (UnsupportedEncodingException e) { e.printStackTrace();} catch (IOException e) { e.printStackTrace();}
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