如何根据银行卡号获取对应的银行编号，如：ICBC

妖狐艹你老母 2022-05-10 12:20 309阅读 0赞

最近项目里面需要使用一个东西，就是如何根据银行卡号获取对应的银行编号，如：ICBC，所以就在网上找了些资源，在此整理分享给大家。都是干货哦！

废话少说，直接上代码了。

package com.whb.utils;
    
    import java.io.InputStream;
    
    import org.apache.commons.io.IOUtils;
    import org.apache.commons.lang.StringUtils;
    import org.apache.http.HttpResponse;
    import org.apache.http.HttpStatus;
    import org.apache.http.client.config.RequestConfig;
    import org.apache.http.client.methods.HttpGet;
    import org.apache.http.impl.client.CloseableHttpClient;
    import org.apache.http.impl.client.HttpClients;
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    
    import com.alibaba.fastjson.JSON;
    import com.alibaba.fastjson.JSONObject;
    
    /**
     * @author whb
     * @date 2018年9月28日 下午3:31:12 
     * @Description: 根据银行卡号获取对应的银行变化如：ICBC
     * https://ccdcapi.alipay.com/validateAndCacheCardInfo.json?_input_charset=utf-8&cardBinCheck=true&cardNo=6217360599000454941
     * {"cardType":"DC","bank":"ZJNX","key":"6217360599000454941","messages":[],"validated":true,"stat":"ok"}
     */
    public class BankCardNoUtil {
    	
    	private static Logger log = LoggerFactory.getLogger(BankCardNoUtil.class);
    	
    	private static CloseableHttpClient httpClient = HttpClients.createDefault();
    
    	private static int TIMEOUT = 1800000;
    
    	private static RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(TIMEOUT)
    			.setSocketTimeout(TIMEOUT).build();
    	
    	
    	private static String RequestUrl = "https://ccdcapi.alipay.com/validateAndCacheCardInfo.json?_input_charset=utf-8&cardBinCheck=true&cardNo=";
    	
    	/**
    	 * 根据银行卡号获取对应的银行变化如：ICBC
    	 * @param bankCardId
    	 * @return
    	 */
    	public static String getBankCardNo(String bankCardId){
    		try {
    			String result = getString(RequestUrl+bankCardId, "UTF-8");
    			if(StringUtils.isNotBlank(result)){
    				JSONObject json = JSON.parseObject(result);
    				boolean validated = json.getBoolean("validated");
    				if(validated){
    					return json.getString("bank");
    				}
    			}
    		} catch (Exception e) {
    			log.info("获取银行卡有误");
    		}
    		return null;
    	}
    
    	public static void main(String[] args) {
    		System.out.println(BankCardNoUtil.getBankCardNo("6217360599000454941"));
    	}
    	
    	
    	/**
    	 * get方式调用http,返回byte[]
    	 * @param String url
    	 * @return byte[]
    	 * @throws Exception
    	 */
    	private static byte[] getBytes(String url) throws Exception {
    		HttpGet request = null;
    		try {
    			// HTTP请求
    			request = new HttpGet(url);
    			request.setConfig(requestConfig);
    			log.debug(request.getRequestLine().toString());
    
    			// 发送请求，返回响应
    			HttpResponse response = httpClient.execute(request);
    			// 响应成功
    			int statusCode = response.getStatusLine().getStatusCode();
    			if (statusCode == HttpStatus.SC_OK) {
    				InputStream stream = response.getEntity().getContent();
    				return IOUtils.toByteArray(stream);
    			}
    		} catch (Exception e) {
    			throw new Exception("GET请求失败:[" + url + "]", e);
    		} finally {
    			if (request != null) {
    				try {
    					request.releaseConnection();
    				} catch (Exception e) {
    				}
    			}
    		}
    		return null;
    	}
    
    	/**
    	 * get方式调用http,返回String
    	 * 
    	 * @param String url
    	 * @param String charsetName
    	 * @return String
    	 * @throws Exception
    	 */
    	private static String getString(String url, String charsetName) throws Exception {
    		byte[] bytes = getBytes(url);
    		if (bytes == null || bytes.length <= 0) {
    			return "";
    		}
    		return new String(bytes, charsetName);
    	}
    
    }

如果还想其他渠道去查询的话，这里有提供相关地址：[查询银行卡归属][Link 1][http://www.guabu.com/bank/][Link 1]。

好了，满满的爱都给你们了。

[Link 1]: http://www.guabu.com/bank/