cn.fastoo.sdk.client.HttpPostClient Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of fastoo-java-api Show documentation
The newest version!
package cn.fastoo.sdk.client;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;
/**
 * post客户端
 * @author lb
 * @version 1.0
 * @date 2017-08-31
 */
public class HttpPostClient {
	/**
     * 向指定 URL 发送POST方法的请求
     * 
     * @param url 发送请求的 URL
     * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return 所代表远程资源的响应结果
     */
    public static String sendPost(String url, String param) {
        PrintWriter out = null;
        BufferedReader in = null;
        String jsonstr="";
        try {
            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            URLConnection conn = realUrl.openConnection();
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("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
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // 获取URLConnection对象对应的输出流
            out = new PrintWriter(conn.getOutputStream());
            // 发送请求参数
            out.print(param);
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
            	jsonstr += line;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        //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){
                ex.printStackTrace();
            }
        }
        return jsonstr;
    }
    public static void main(String[] args) {
		// TODO Auto-generated method stub
		//发送 GET 请求
//        String s=HttpPostClient.sendPost("http://120.26.10.238:12020/v1/admin/getUserAccounts.json", "apiKey=a47dd09338834deda2e0e717a90e2cce");
//        System.out.println(s);
//        UserAccountsReturn model=new UserAccountsReturn(s);
//        //发送 POST 请求
//        String sr=HttpClient.sendPost("http://localhost:6144/Home/RequestPostString", "key=123&v=456");
//        System.out.println(sr);
	}
}