java發送http請求form-data

maven引用

      <dependency>
            <groupId>commons-httpclient</groupId>
            <artifactId>commons-httpclient</artifactId>
            <version>3.1</version>
        </dependency>
        <dependency>
            <groupId>commons-codec</groupId>
            <artifactId>commons-codec</artifactId>
            <version>1.6</version>
        </dependency>

 

 public static void main(String[] args) {
        PostMethod method = new PostMethod("http://chauxn.com/");
        method.addParameter("user","cx173");
        method.addParameter("token","0b32f834d389f94fb");
        method.addParameter("api","Query");
        String s = null;
        try {
            s = HttpUtilMsg.doPost(method);
            System.out.println("返回值:"+s);
        } catch (Exception e) {
            System.out.println("錯誤..."+e.getMessage());
        }
    }

工具類封裝

package com.gofun.vision.util;

import com.alibaba.fastjson.JSONObject;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.http.HttpEntity;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;


/**
 *
 * @author zhuhongqiang
 */
public class HttpUtilMsg {
    private static final Logger logger = LoggerFactory.getLogger(HttpUtilMsg.class);

    public static String doPost(PostMethod method) {
        HttpClient client = new HttpClient();
        client.getHttpConnectionManager().getParams().setConnectionTimeout(10000);
        client.getHttpConnectionManager().getParams().setSoTimeout(10000);
        String result = "";
        try {
            client.executeMethod(method);
            byte[] response = method.getResponseBody();
            result = new String(response,"UTF-8");//返回值解析時用的編碼格式
        } catch (Exception e) {
            throw new RuntimeException("創建連接失敗" + e);
        }finally{
            method.releaseConnection();
        }
        return result;
    }
}