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java实现https免证书认证

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java实现https免证书认证


解决方法:

1.下载两个包,httpclient-4.2.jar和httpcore-4.2.jar,复制以下代码就可使用。

2.调用类代码:

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类

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 {


// 创建SSLContext对象,并使用我们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());


// 从上述SSLContext对象中得到SSLSocketFactory对象

SSLSocketFactory ssf = sslContext.getSocketFactory();


// 打开和URL之间的连接

//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);


// 设置通用的请求属性

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)");

// 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) {

result += line;

}

} catch (Exception e) {

System.out.println("发送 POST 请求出现异常!"+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 result;

}

}


4.MyX509TrustManager类

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;

}

}


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