Java中Https发送POST请求[亲测可用]

1、直接建一个工具类放入即可

/**
 * 发送https请求共用体 
 */
public  static jsonobject  sendpost(string url,string parame,map<string,object> pmap) throws ioexception, keymanagementexception, nosuchalgorithmexception, nosuchproviderexception{
    // 请求结果
    jsonobject json = new jsonobject();
    printwriter out = null;
    bufferedreader in = null;
    string result = "";
    url realurl;
    httpsurlconnection conn;
    string method = "post";
    //查询地址
    string querystring = url;
    //请求参数获取
    string postpar = "";
    //字符串请求参数
    if(parame!=null){
        postpar = parame;
    }
    // map格式的请求参数
    if(pmap!=null){
        stringbuffer mstr = new stringbuffer();
        for(string str:pmap.keyset()){
            string val = (string) pmap.get(str);
            try {
                val=urlencoder.encode(val,"utf-8");
            } catch (unsupportedencodingexception e) {
                e.printstacktrace();
            }
                mstr.append(str+"="+val+"&");
        }
        // 最终参数
        postpar = mstr.tostring(); 
        int lasts=postpar.lastindexof("&");
        postpar=postpar.substring(0, lasts);
    }
    if(method.touppercase().equals("get")){
        querystring+="?"+postpar;
    }
    sslsocketfactory  ssf= httpsclientutils.getssfactory();
    try {
        realurl= new url(querystring);
        conn = (httpsurlconnection)realurl.openconnection();
        conn.setsslsocketfactory(ssf);
        conn.setrequestproperty("content-type","application/x-www-form-urlencoded");
        conn.setrequestproperty("accept", "*/*");
        conn.setrequestproperty("connection", "keep-alive");
        conn.setrequestproperty("user-agent",
                "mozilla/4.0 (compatible; msie 6.0; windows nt 5.1;sv1)");
        if(method.touppercase().equals("post")){
            conn.setdooutput(true);
            conn.setdoinput(true);
            conn.setusecaches(false);
            out = new printwriter(conn.getoutputstream());
            out.print(postpar);
            out.flush();
        }else{
            conn.connect();
        }
        in = new bufferedreader(
                new inputstreamreader(conn.getinputstream(),"utf-8"));
        string line;
        while ((line = in.readline()) != null) {
            result += line;
        }
        json = jsonobject.fromobject(result);
    }finally {
        try {
            if (out != null) {
                out.close();
            }
            if (in != null) {
                in.close();
            }
        } catch (ioexception ex) {
            ex.printstacktrace();
        }
    }
    return json;
}

2、可能需要的包

import java.io.bufferedreader;
import java.io.ioexception;
import java.io.inputstreamreader;
import java.io.printwriter;
import java.io.unsupportedencodingexception;
import java.net.uri;
import java.net.url;
import java.net.urlencoder;
import java.security.keymanagementexception;
import java.security.nosuchalgorithmexception;
import java.security.nosuchproviderexception;
import java.util.arraylist;
import java.util.hashmap;
import java.util.list;
import java.util.map;
import java.util.map.entry;
import java.util.random;
import java.util.set;
import java.util.treemap;

import javax.net.ssl.httpsurlconnection;
import javax.net.ssl.sslsocketfactory;

import net.sf.json.jsonobject;

import org.apache.commons.codec.digest.digestutils;
import org.apache.http.namevaluepair;
import org.apache.http.client.entity.urlencodedformentity;
import org.apache.http.client.methods.closeablehttpresponse;
import org.apache.http.client.methods.httpget;
import org.apache.http.client.methods.httppost;
import org.apache.http.client.utils.uribuilder;
import org.apache.http.entity.contenttype;
import org.apache.http.entity.stringentity;
import org.apache.http.impl.client.closeablehttpclient;
import org.apache.http.impl.client.httpclients;
import org.apache.http.message.basicnamevaluepair;
import org.apache.http.util.entityutils;

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