P2P银行卡绑定(银行卡四要素)_四要素购买网址

几乎大多数得平台项目,都会用得到银行卡认证,身份证认证等等一系列得接口，今天就来弄一下银行卡认证.
打开网址
https://market.aliyun.com/products/57000002/cmapi028281.html?spm=5176.10695662.1996646101.searchclickresult.1d816d38uW15nk
去购买一个免费得认证条数，来免费测试一波!

购买完毕打开网址
https://market.console.aliyun.com/imageconsole/index.htm?#/bizlist?_k=x47vpw

会发现已经购买成功，然后存在了AppKey,AppSecret,AppCode等三个数据,这三个数据是用来做认证得，调用相应得接口，放入相应得数据
寻找依赖
https://github.com/aliyun/api-gateway-demo-sign-java/blob/master/pom.xml

拉取这四个,最后那个是单元测试得依赖,idea创建maven项目自带junit依赖!

<dependency>
		<groupId>com.alibaba</groupId>
		<artifactId>fastjson</artifactId>
		<version>1.2.15</version>
		</dependency>
        <dependency>
            <groupId>org.apache.httpcomponents</groupId>
            <artifactId>httpclient</artifactId>
            <version>4.2.1</version>
        </dependency>
        <dependency>
            <groupId>org.apache.httpcomponents</groupId>
            <artifactId>httpcore</artifactId>
            <version>4.2.1</version>
        </dependency>
        <dependency>
            <groupId>commons-lang</groupId>
            <artifactId>commons-lang</artifactId>
            <version>2.6</version>
        </dependency>
        <dependency>
            <groupId>org.eclipse.jetty</groupId>
            <artifactId>jetty-util</artifactId>
            <version>9.3.7.v20160115</version>
        </dependency>
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导入依赖之后,创建Httputils工具类，这个类是用来发送请求并返回数据的.
package cn.itrip.auth.util;

import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

import org.apache.commons.lang.StringUtils;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;

public class HttpUtils {

    /**
     * get
     *
     * @param host
     * @param path
     * @param method
     * @param headers
     * @param querys
     * @return
     * @throws Exception
     */
    pu
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