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  • javaHttps发送POST请求[亲测可用]

    javaHttps发送POST请求[亲测可用]

     

    1、直接建一个工具类放入即可

    复制代码
    /**
     * 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;
    }
    复制代码

    2、可能需要的包

    复制代码
    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;
    复制代码
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  • 原文地址:https://www.cnblogs.com/xinxihua/p/13290831.html
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