本文为大家分享了java微信公众号企业付款的开发代码，供大家参考，具体内容如下
详情参照微信开发者文档 企业付款文档
java代码 定义所传递的参数
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@requestmapping(value = "zhifu", method = requestmethod.get)public @responsebody string getweixinopenid(string code, httpservletrequest request){ // 订单号 自定义 生成32位uuid string partner_trade_no = uuidgenerator.getuuid(); // 随机数 string nonce_str = uuidgenerator.getuuid(); // 转账金额(分为单位)1-200 int jine = 100; // 企业付款信息 string desc = "转账"; // ip地址 string spbill_create_ip = "xx.xx.xx"; // re_user_name string re_user_name = "xx"; string check_name = checkname.no_check.tostring(); string zfpath = "d:/apiclient_cert.p12"; try { // 获取openid string openid = wechatutil.getbyopenid(appid, secret, code); // 付款 boolean flag = wechatutil.enterprisepayment(openid, appid, mchid, nonce_str, partner_trade_no, re_user_name, jine, desc, spbill_create_ip, check_name, key, zfpath); // 成功 if (flag) { return "success"; } } catch (exception e) { system.err.println(e.getstacktrace()); } return "fail";} |
获取关注本公众号用户唯一标示 获取openid
java代码 获取openid 静态方法
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/** * 获取openid * * @description * @param appid * @param secret * @param code * @return * @author shaomiao */ public static string getbyopenid(string appid, string secret, string code) { string url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=" + appid + "&secret=" + secret + "&code=" + code + "&grant_type=authorization_code"; string jsonstring = wechatutil.getjsonstring(url); jsonobject json1 = jsonobject.parseobject(jsonstring); string openid = json1.get("openid").tostring(); return openid; } |
企业付款的调用公共方法
java代码
post提交 xml参数
解析回调的xml
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/** * 企业付款 * * @description * @param openid * @param appid * @param mchid 商户id * @param nonce_str * @param partner_trade_no * @param re_user_name * @param jine * @param desc * @param spbill_create_ip * @param check_name * @return * @author jobs * @throws ioexception * @throws clientprotocolexception */public static boolean enterprisepayment(string openid, string appid, string mchid, string nonce_str, string partner_trade_no, string re_user_name, int jine, string desc, string spbill_create_ip, string check_name, string key, string zfpath) throws exception{ boolean getsuccess = true; if (null != openid) { // zf map<string, string> params_map = new linkedhashmap<string, string>(); stringbuffer param = new stringbuffer(); // appid param.append("mch_appid=" + appid); // 商户id param.append("&mchid=" + mchid); // 随机字符串 // param.append("&nonce_str=" // + zifwutil.string2md5(new date().gettime() + "")); param.append("&nonce_str=" + nonce_str); // 订单号自定义 param.append("&partner_trade_no=" + partner_trade_no); param.append("&openid=" + openid); // 校验用户姓名选项 /** * no_check：不校验真实姓名 * force_check：强校验真实姓名（未实名认证的用户会校验失败，无法转账） * option_check：针对已实名认证的用户才校验真实姓名（未实名认证用户不校验，可以转账成功） */ param.append("&check_name=" + check_name); // 收款用户姓名 param.append("&re_user_name=" + re_user_name); // 金额 param.append("&amount=" + jine); // 企业付款描述信息 param.append("&desc=" + desc); // ip地址 param.append("&spbill_create_ip=" + spbill_create_ip); string[] params = param.tostring().split("&"); arrays.sort(params); param = new stringbuffer(); for (string p : params) { string[] value = p.split("="); params_map.put(value[0], value[1]); param.append(value[0] + "=" + value[1] + "&"); } // 签名最后 string sign = zifwutil.string2md5(param.tostring() + "key=" + key) .touppercase(); params_map.put("sign", sign); string reqstr = zifwutil.toxml(params_map); // zhengshu closeablehttpclient httpclient = certificatevalidation(zfpath, mchid); httppost httppost = new httppost( "https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers"); stringentity myentity = new stringentity(reqstr, "utf-8"); httppost.setentity(myentity); system.out.println("executing request" + httppost.getrequestline()); closeablehttpresponse response = httpclient.execute(httppost); system.out.println(response.getstatusline()); httpentity resentity = response.getentity(); inputstreamreader reader = new inputstreamreader( resentity.getcontent(), "utf-8"); char[] buff = new char[1024]; int length = 0; stringbuffer strhuxml = new stringbuffer(); while ((length = reader.read(buff)) != -1) { strhuxml.append(new string(buff, 0, length)); system.out.println(new string(buff, 0, length)); } // httpclient.close(); httpclient.getconnectionmanager().shutdown(); // string ret = zifwutil.post( // "https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers", // reqstr); // 解析传过来的xml document document = documenthelper.parsetext(strhuxml.tostring()); // 得到xml根元素 element root = document.getrootelement(); // 得到根元素的所有子节点 list<element> elementlist = root.elements(); string errors = ""; for (element e : elementlist) { // result_code业务 if ("return_code".equals(e.getname()) && !"success".equals(e.gettext())) { getsuccess = false; } if ("result_code".equals(e.getname()) && !"success".equals(e.gettext())) { getsuccess = false; } } } return getsuccess;} |
微信签名验证证书
验证证书公共方法
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/** * 验证证书公共方法 * * @description * @param zfpath 证书的路径 * @param mchid 商户id * @return * @throws exception * @author jobs */// shanghuid// 验证证书@suppresswarnings("deprecation")public static closeablehttpclient certificatevalidation(string zfpath, string mchid) throws exception{ // 指定读取证书格式为pkcs12 keystore keystore = keystore.getinstance("pkcs12"); // 证书地址 fileinputstream instream = new fileinputstream(new file(zfpath)); try { keystore.load(instream, mchid.tochararray()); } finally { instream.close(); } // trust own ca and all self-signed certs sslcontext sslcontext = sslcontexts.custom() .loadkeymaterial(keystore, mchid.tochararray()).build(); // allow tlsv1 protocol only sslconnectionsocketfactory sslsf = new sslconnectionsocketfactory( sslcontext, new string[] { "tlsv1" }, null, sslconnectionsocketfactory.browser_compatible_hostname_verifier); closeablehttpclient httpclient = httpclients.custom() .setsslsocketfactory(sslsf).build(); return httpclient;} |
微信公共方法 字符串转xml
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/** * 微信支付拼接xml * * @param params * @return */ public static string toxml(map<string, string> params) { string xml = "<xml>"; for (string key : params.keyset()) { if ("body".equals(key) || "attach".equals(key) || "sign".equals(key)) { xml += "<" + key + "><![cdata[" + params.get(key) + "]]></" + key + ">"; } else { xml += "<" + key + ">" + params.get(key) + "</" + key + ">"; } } xml += "</xml>"; return xml; } |
微信公共方法 字符串md5
加密
用来加密签名
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/*** * md5加码 生成32位md5码 */ public static string string2md5(string instr) { stringbuffer buf = new stringbuffer(); try { messagedigest md = messagedigest.getinstance("md5"); md.update(instr.getbytes("utf-8")); byte b[] = md.digest(); int i; for (int offset = 0; offset < b.length; offset++) { i = b[offset]; if (i < 0) i += 256; if (i < 16) buf.append("0"); buf.append(integer.tohexstring(i)); } } catch (exception e) { e.printstacktrace(); } return buf.tostring(); } |
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/shaomiaojava/article/details/50562550
