public static String sendPost(String url, String param) {
("sendPost"+param);
PrintWriter out = null;
BufferedReader in = null;
String result = "";
try {
URL realUrl = new URL(url);
// 打开和URL之间的连接
URLConnection conn = ();
// 设置通用的请求属性
("accept", "*/*");
("connection", "Keep-Alive");
("user-agent","Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
// 发送POST请求必须设置如下两行
(true);
(true);
//1.获取URLConnection对象对应的输出流
//out = new PrintWriter(()); //导致乱码的问题
//2.中文有乱码的需要将PrintWriter改为如下
//out=new OutputStreamWriter((),"UTF-8");
//3.中文乱码，网上查询的解决方法
OutputStreamWriter outWeiter=new OutputStreamWriter((),"utf-8");
out=new PrintWriter(outWeiter);
// 发送请求参数
JSONObject json = (param);
String pathURL=json.get("url")==null?"":("url");
if(pathURL!=""){
if(("/")){
pathURL=(0, pathURL.length()-1);
}
("url", pathURL);
}
("json"+());
(json);
// flush输出流的缓冲
();
// 定义BufferedReader输入流来读取URL的响应
in = new BufferedReader(new InputStreamReader(()));
String line;
while ((line = in.readLine()) != null) {
result += line;
}
} catch (Exception e) {
("发送 POST 请求出现异常！"+e);
();
}
//使用finally块来关闭输出流、输入流
finally{
try{
if(out!=null){
out.close();
}
if(in!=null){
in.close();
}
}
catch(IOException ex){
();
}
}
("post推送结果："+result);
return result;
}