// 直接获取信息
void DirectInfo() throws IOException {
URL url = new URL(SRC);
HttpURLConnection httpConn = (HttpURLConnection) url.openConnection();
InputStreamReader inStreamReader = new InputStreamReader(httpConn
.getInputStream());
BufferedReader bufReader = new BufferedReader(inStreamReader);
String line = "";
String Date = "OK";
while ((line = bufReader.readLine()) != null) {
Date += line + "\n";
}
edit1.setText(Date);
}
// get方式获取信息
void getInfo() throws IOException {
// 将上面使用的方法直接修改一下即可。
URL url = new URL(SRC+"/default.aspx?NAME="
+ URLEncoder.encode("abc", "utf-8"));
HttpURLConnection httpconn = (HttpURLConnection) url.openConnection();
InputStreamReader inputReader = new InputStreamReader(httpconn
.getInputStream());
BufferedReader bufReader = new BufferedReader(inputReader);
String line = "";
String Date = "";
while ((line = bufReader.readLine()) != null) {
Date += line;
}
edit1.setText(Date);
}
// Post方式获取信息
void postInfo() throws MalformedURLException, IOException {
// Post 方法比Get方法需要设置的参数更多
HttpURLConnection httpconn = (HttpURLConnection) new URL(SRC)
.openConnection();
// post 方式,输入输出需要设置为true
httpconn.setDoInput(true);
httpconn.setDoOutput(true);
httpconn.setRequestMethod("POST"); // 设置为Post方式,默认为get方式
httpconn.setUseCaches(false); // 不使用缓存
httpconn.setInstanceFollowRedirects(true); // 重定向
httpconn.setRequestProperty("Content-type",
"Application/x-www-form-urlencoded"); // 设置连接 的Content-type类型为:
// application/x-www-form-urlencoded
httpconn.connect(); //连接
DataOutputStream out = new DataOutputStream(httpconn.getOutputStream()); //声明数据写入流
String NAME= "NAME="+URLEncoder.encode("fly_binbin", "UTF-8");
String PWD="PWD="+URLEncoder.encode("123456","UTF-8");
String content = NAME+"&"+PWD;
out.writeBytes(content);
out.flush();
out.close();
BufferedReader reader = new BufferedReader(new InputStreamReader(httpconn.getInputStream()));
String line = "";
String resultDate = "";
while((line=reader.readLine())!=null)
{
resultDate += line;
}
edit1.setText(resultDate);
}
// post方式第二种
private static boolean sendPostRequest(String path, Map params, String encoding) throws Exception{ // method=save&name=liming&timelength=78 StringBuilder sb = new StringBuilder(""); if(params!=null && !params.isEmpty()){ for(Map.Entry entry : params.entrySet()){ sb.append(entry.getKey()).append('=') .append(URLEncoder.encode(entry.getValue(), encoding)).append('&'); } sb.deleteCharAt(sb.length() - 1); } byte[] data = sb.toString().getBytes();//得到实体数据 URL url = new URL(path); HttpURLConnection conn = (HttpURLConnection)url.openConnection(); conn.setRequestMethod("POST"); conn.setConnectTimeout(5*1000); conn.setDoOutput(true);//能过post方式提交数据,必须要允许输出 conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); conn.setRequestProperty("Content-Length", String.valueOf(data.length)); OutputStream outStream = conn.getOutputStream(); outStream.write(data); outStream.flush(); outStream.close(); if(conn.getResponseCode()==200){ return true; } return false; }
转载自 /fly_binbin/archive//12/19/1910535.html