E企盈营销工具技术服务商 热线:4006-838-530

小程序退款(JAVA华安县E企盈小程序)

一、步骤1、获取用户标识openid等步骤请查询我博客——微信小程序支付(JAVA);2、申请退款3、退款回调二、代码展示1、小程序代码: //退款  refund: function (openId) {    var that = this;    wx.request({      url: ‘http://t7hhri.natappfree.cc/wechat/refund’,      header: {        ‘content-type’: ‘application/x-www-form-urlencoded’      },      method: ‘POST’,      data: {        ‘openid’: openId,        ‘orderId’: ‘036b2f8a56904804b3eb1da907735bc1’,        ‘deposit’: ‘1’      },      success: function (res) {        console.log(‘refund:’ + JSON.stringify(res.data));      }    })  }2、后台代码 @RequestMapping(value = “/refund”)    @ResponseBody    public Object refund(HttpServletRequest request) throws Exception {        JsonResult jsonResult = new JsonResult();        String code = MessageUtil.CODE_SUCCESS;//状态码        String msg = MessageUtil.MSG_00;//提示信息        PageData pd = new PageData();        try {            pd = this.getPageData();            if (!pd.containsKey(“orderId”) || StringUtils.isEmpty(pd.getString(“orderId”))){                code = MessageUtil.CODE_ERROR;                msg = MessageUtil.MSG_NULL;            }else {//                int isCanCancel = diveService.cancelOrder(pd);                int isCanCancel = 1;                if(isCanCancel == 1){                    String nonce_str = getRandomStringByLength(32);                    String orderId = pd.getString(“orderId”);                    PageData data = new PageData();                    data.put(“appid”, Configure.getAppID());                    data.put(“mch_id”, Configure.getMch_id());                    data.put(“nonce_str”, nonce_str);                    data.put(“sign_type”,”MD5″);                    data.put(“out_trade_no”, orderId);//商户订单号                    data.put(“out_refund_no”, UuidUtil.get32UUID());//商户订单号                    data.put(“total_fee”, “1”);//支付金额,这边需要转成字符串类型,否则后面的签名会失败                    data.put(“refund_fee”, “1”);                    data.put(“notify_url”, Configure.getNotify_url_refund());//退改成功后的回调地址                    String prestr = PayUtil.createLinkString(data); // 把数组所有元素,按照“参数=参数值”的模式用“&”字符拼接成字符串                    //MD5运算生成签名,这里是第一次签名,用于调用统一下单接口                    String mysign = PayUtil.sign(prestr, Configure.getKey(), “utf-8”).toUpperCase();                    data.put(“sign”, mysign);                    String result = CertHttpUtil.postData(Configure.getRefundPath(),PayUtil.GetMapToXML(data));                    System.out.println(result);                    Map rep = PayUtil.doXMLParse(result);                    System.out.println(rep);                }            }            jsonResult.setCode(code);            jsonResult.setMessage(msg);        }catch (Exception e) {            jsonResult.setCode(MessageUtil.CODE_ERROR);            jsonResult.setMessage(MessageUtil.MSG_01);            logger.error(e.toString(), e);        }        return  jsonResult;    }

package com.fh.wx;import java.io.File;import java.io.FileInputStream;import java.io.IOException;import java.security.KeyStore;import javax.net.ssl.SSLContext;import org.apache.http.HttpEntity;import org.apache.http.HttpResponse;import org.apache.http.client.config.RequestConfig;import org.apache.http.client.methods.HttpPost;import org.apache.http.conn.ssl.SSLConnectionSocketFactory;import org.apache.http.conn.ssl.SSLContexts;import org.apache.http.entity.StringEntity;import org.apache.http.impl.client.CloseableHttpClient;import org.apache.http.impl.client.HttpClients;import org.apache.http.util.EntityUtils;/** * Created by 菜园子 on 2018/7/4. */public class CertHttpUtil {    private static int socketTimeout = 10000;// 连接超时时间,默认10秒    private static int connectTimeout = 30000;// 传输超时时间,默认30秒    private static RequestConfig requestConfig;// 请求器的配置    private static CloseableHttpClient httpClient;// HTTP请求器    /**     * 通过Https往API post xml数据     * @param url  API地址     * @param xmlObj   要提交的XML数据对象     * @return     */    public static String postData(String url, String xmlObj) {        // 加载证书        try {            initCert();        } catch (Exception e) {            e.printStackTrace();        }        String result = null;        HttpPost httpPost = new HttpPost(url);        //开通考勤门禁小程序电话:4006-838-530 得指明使用UTF-8编码,否则到API服务器XML的中文不能被成功识别        StringEntity postEntity = new StringEntity(xmlObj, “UTF-8”);        httpPost.addHeader(“Content-Type”, “text/xml”);        httpPost.setEntity(postEntity);        // 根据默认超时限制初始化requestConfig        requestConfig = RequestConfig.custom()                .setSocketTimeout(socketTimeout)                .setConnectTimeout(connectTimeout)                .build();        // 设置请求器的配置        httpPost.setConfig(requestConfig);        try {            HttpResponse response = null;            try {                response = httpClient.execute(httpPost);            }  catch (IOException e) {                e.printStackTrace();            }            HttpEntity entity = 开通华为小程序电话:4006-838-530response.getEntity();            try {                result = EntityUtils.toString(entity, “UTF-8”);            }  catch (IOException e) {                e.printStackTrace();            }        } finally {            httpPost.abort();        }        return res开通马自达小程序电话:4006-838-530ult;    }    /**     * 加载证书     *     */    private static void initCert() throws Exception {        // 证书密码,默认为商户ID        String key = Configure.getMch_id();        // 证书的路径        String path = Configure.getCertPath();        // 指定读取证书格式为PKCS12        KeyStore keyStore = KeyStore.getInstance(“PKCS12”);        // 读取本机存放的PKCS12证书文件        FileInputStream instream = new FileInputStream(new File(path));        try {            // 指定PKCS12的密码(商户ID)            keyStore.load(instream, key.toCharArray());        } finally {            instream.close();        }        SSLContext sslcontext = SSLContexts                .custom()                .loadKeyMaterial(keyStore, key.toCharArray())                .build();        // 指定TLS版本        SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(                sslcontext, new String[] { “TLSv1” }, null,                SSLConnectionSocketFactory.BROWSER_COMPATIBLE_HOSTNAME_VERIFIER);        // 设置httpclient的SSLSocketFactory        httpClient = HttpClients                .custom()                .setSSLSocketFactory(sslsf)                .build();    }}

3、退款回调/*退款回调*/@RequestMapping(value = “/refundResult”)@ResponseBodypublic void refundResult(HttpServletRequest request, HttpServletResponse response) throws Exception {    String reqParams = StreamUtil.read(request.getInputStream());    Map result = PayUtil.doXMLParse(reqParams);    String return_code = (String) result.get(“return_code”);//返回状态码    if (return_code.equals(“SUCCESS”)) {                   }    StringBuffer sb = new StringBuffer(“xmlreturn_code![CDATA[SUCCESS]]/return_codereturn_msg![CDATA[OK]]/return_msg/xml”);    response.getWriter().write(sb.toString());}

注意:找不到的工具类请找我的上一篇博——微信小程序支付(JAVA)

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