java實現(xiàn)https免證書認證

解決方法：

1.下載兩個包，httpclient-4.2.jar和httpcore-4.2.jar，復制以下代碼就可使用。

2.調(diào)用類代碼：

String httpOrgCreateTest = "https://url";

? ?Map<String,Object> createMap = new HashMap<String,Object>();

createMap.put("name","8888888");

createMap.put("num","11111");

createMap.put("array",list.toArray());

? ? String message = JSON.toJSONString(createMap);

? ? String result = HttpRequest.sendPost(httpOrgCreateTest, message);

3.HttpRequest類

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.PrintWriter;

import java.net.URL;

import javax.net.ssl.HttpsURLConnection;

import javax.net.ssl.SSLContext;

import javax.net.ssl.SSLSocketFactory;

import javax.net.ssl.TrustManager;

public class HttpRequest {

?

public static String sendPost(String url, String param) {

PrintWriter out = null;

BufferedReader in = null;

String result = "";

try {

?

// 創(chuàng)建SSLContext對象，并使用我們指定的信任管理器初始化

TrustManager[] tm = { new MyX509TrustManager() };

SSLContext sslContext = SSLContext.getInstance("SSL");

sslContext.init(null, tm, new java.security.SecureRandom());

?

// 從上述SSLContext對象中得到SSLSocketFactory對象

SSLSocketFactory ssf = sslContext.getSocketFactory();

?

// 打開和URL之間的連接

//URL realUrl = new URL(url);

URL realUrl= new URL(null, url, new sun.net.www.protocol.https.Handler());

HttpsURLConnection conn = (HttpsURLConnection) realUrl.openConnection();

conn.setSSLSocketFactory(ssf);

?

// 設(shè)置通用的請求屬性

conn.setRequestProperty("accept", "*/*");

conn.setRequestProperty("connection", "Keep-Alive");

conn.setRequestProperty("content-Type", "application/json");

conn.setRequestProperty("user-agent",

"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");

// 發(fā)送POST請求必須設(shè)置如下兩行

conn.setDoOutput(true);

conn.setDoInput(true);

// 獲取URLConnection對象對應(yīng)的輸出流

out = new PrintWriter(conn.getOutputStream());

// 發(fā)送請求參數(shù)

?

out.print(param);

// flush輸出流的緩沖

out.flush();

// 定義BufferedReader輸入流來讀取URL的響應(yīng)

in = new BufferedReader(

new InputStreamReader(conn.getInputStream()));

String line;

while ((line = in.readLine()) != null) {

result += line;

}

} catch (Exception e) {

System.out.println("發(fā)送 POST 請求出現(xiàn)異常！"+e);

e.printStackTrace();

}

//使用finally塊來關(guān)閉輸出流、輸入流

finally{

try{

if(out!=null){

out.close();

}

if(in!=null){

in.close();

}

}

catch(IOException ex){

ex.printStackTrace();

}

}

return result;

}

}

?

4.MyX509TrustManager類

import java.security.cert.CertificateException;

import java.security.cert.X509Certificate;

import javax.net.ssl.X509TrustManager;

public class MyX509TrustManager implements X509TrustManager{

@Override

public void checkClientTrusted(X509Certificate[] chain, String authType) throws

CertificateException {

?

}

@Override

public void checkServerTrusted(X509Certificate[] chain, String authType) throws

CertificateException {

?

}

@Override

public X509Certificate[] getAcceptedIssuers() {

return null;

}

}

轉(zhuǎn)載于:https://www.cnblogs.com/chinaifae/p/10188499.html

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