java post传递参数_java基于HTTP协议post传参，获取参数 | 学步园

post传参和获取参数：

/**

* 获取post参数

* @param is

* @param charset

* @return

*/

public static String getContent(InputStream is, String charset) {

String pageString = null;

InputStreamReader isr = null;

BufferedReader br = null;

StringBuffer sb = null;

try {

isr = new InputStreamReader(is, charset);

br = new BufferedReader(isr);

sb = new StringBuffer();

String line = null;

while ((line = br.readLine()) != null) {

sb.append(line + "\n");

}

pageString = sb.toString();

} catch (Exception e) {

e.printStackTrace();

} finally {

try {

if (is != null){

is.close();

}

if(isr!=null){

isr.close();

}

if(br!=null){

br.close();

}

} catch (IOException e) {

e.printStackTrace();

}

sb = null;

}

return pageString;

}

/**

* @param url post传参

* @param xml

* @param method

* @param contentType

* @return

*/

public static String xmlHttpProxy(String url,String xml,String method,String contentType){

InputStream is = null;

OutputStream os = null;

/**接口调用成功标识*/

boolean is_success = true;

try {

if(ValidateUtils.isEmpty(method)){

method = "GET";

}

if(ValidateUtils.isEmpty(contentType)){

contentType = "UTF-8";

}

URL _url = new URL(url);

HttpURLConnection conn = (HttpURLConnection) _url.openConnection();

conn.setDoInput(true);

conn.setDoOutput(true);

conn.setRequestProperty("Content-type", contentType);

conn.setRequestMethod(method);

//conn.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 5.0; Windows NT; DigExt)");

//接收参数

if(!ValidateUtils.isEmpty(xml)){

os = conn.getOutputStream();

os.write(xml.getBytes());

os.flush();

}

//返回值

is = conn.getInputStream();

return getContent(is, "utf-8");

} catch (MalformedURLException e) {

is_success = false;

e.printStackTrace();

} catch (IOException e) {

is_success = false;

e.printStackTrace();

} finally{

try {

if(os!=null){os.close();}

if(is!=null){is.close();}

} catch (IOException e) {

e.printStackTrace();

}

}

return null;

}

补充：

①post端：

/**

* 是否同步成功

* 如果能够ping通就表示同步成功，其他逻辑(比如是否真的成功了)在天翼客服完善

* syncType:1 insert;2 update;3 delete

* @return

*/

public boolean syncIsOk(String dataJson,int syncType){

InputStreamReader in = null;

BufferedReader reader = null;

try{

if(!ValidateUtils.isEmpty(dataJson)){

String tianyikefu_ip = "http://172.172.3.134:8080";

//拼上地址

tianyikefu_ip = tianyikefu_ip + "/manyou/sync_roaming_data.jspx";

System.out.println(tianyikefu_ip);

String url = tianyikefu_ip;

StringBuffer param_xml = new StringBuffer(200);

param_xml.append("{\"dataJson\":"+dataJson+",\"syncType\":"+syncType+"}");

//System.out.println(param_xml);

String xml = HttpRequestUtils.xmlHttpProxy(url, param_xml.toString(), "POST","application/xml");

//System.out.println("返回：" + xml);

/**

* {

"resCode": 200,

"resDesc": "处理成功!"

}

*/

JSONObject jsonObject = JSONObject.fromObject(xml);

if(jsonObject!=null&&"200".equals(jsonObject.get("resCode").toString())){

return true;

}

}

}catch (Exception e) {

e.printStackTrace();

}finally{

try{

if(reader!=null){

reader.close();

}

if(in!=null){

in.close();

}

}catch (Exception e) {

e.printStackTrace();

}

}

return false;

}

②获取端：

StringBuffer info=new StringBuffer();

in = request.getInputStream();

buf = new BufferedInputStream(in);

byte[] buffer=new byte[1024];

int iRead;

while((iRead=buf.read(buffer))!=-1){

info.append(new String(buffer,0,iRead,"gbk"));

}

if(info!=null&&!ValidateUtils.isEmpty(info.toString())){

JSONObject paramJson = JSONObject.fromObject(info.toString());

/*

* {"dataJson":"","syncType":2}

*/

if(paramJson!=null){

dataJson = paramJson.getString("dataJson");

syncType = paramJson.getString("syncType");

}

}