//微信支付商户号#define MCH_ID  @"YOUR_MCH_ID"
//开户邮件中的（公众账号APPID或者应用APPID）
#define WX_AppID @"YOUR_WX_AppID"
//安全校验码（MD5）密钥，商户平台登录账户和密码登录http://pay.weixin.qq.com 平台设置的“API密钥”，为了安全，请设置为以数字和字母组成的32字符串。
#define WX_PartnerKey @"YOUR_WX_PartnerKey"
//获取用户openid，可使用APPID对应的公众平台登录http://mp.weixin.qq.com 的开发者中心获取AppSecret。
#define WX_AppSecret @"YOUR_WX_AppSecret"

#pragma mark - 设置第三方 注册信息
- (void)registerMethods {
/****************       友盟分享注册信息     *****************/[UMSocialData setAppKey:UMSocial_AppKey];//设置微信AppId、appSecret，分享url[UMSocialWechatHandler setWXAppId:WX_appID appSecret:WX_AppSecret url:@"http://www.umeng.com/social"];//设置手机QQ 的AppId，Appkey，和分享URL[UMSocialQQHandler setQQWithAppId:QQ_AppID appKey:QQ_AppKey url:@"http://www.umeng.com/social"];[UMSocialConfig hiddenNotInstallPlatforms:@[UMShareToQQ, UMShareToQzone, UMShareToWechatTimeline, UMShareToWechatTimeline]];//打开新浪微博的SSO开关，设置新浪微博回调地址，这里必须要和你在新浪微博后台设置的回调地址一致。// 添加SSO授权开关（使用微博原生SDK）[UMSocialSinaSSOHandler openNewSinaSSOWithAppKey:Sina_AppKey RedirectURL:@"http://sns.whalecloud.com/sina2/callback"];// 添加SSO授权开关(非微博原生SDK)[UMSocialSinaHandler openSSOWithRedirectURL:@"http://sns.whalecloud.com/sina2/callback"];
/****************       友盟分享注册信息     *****************///　先调用友盟，然后调用微信清册信息
/****************       注册微信支付信息    *****************/[WXApi registerApp:WX_appID];// [WXApi registerApp:WX_appID withDescription:@"demo 2.0"];
  两个任选一行，还不清楚这个appdesc有何作用
}

#pragma mark - 微信支付相关方法
- (void)weixinChooseAct {NSString *appid,*mch_id,*nonce_str,*sign,*body,*out_trade_no,*total_fee,*spbill_create_ip,*notify_url,*trade_type,*partner;//应用APPIDappid = WX_appID;//微信支付商户号mch_id = MCH_ID;//产生随机字符串，这里最好使用和安卓端一致的生成逻辑nonce_str =[self generateTradeNO];body =@"微信支付时候看到的支付信息";//随机产生订单号用于测试，正式使用请换成你从自己服务器获取的订单号out_trade_no = self.gold_sn;//交易价格1表示0.01元，10表示0.1元total_fee = self.payCount;//获取本机IP地址，请再wifi环境下测试，否则获取的ip地址为error，正确格式应该是8.8.8.8spbill_create_ip =[getIPhoneIP getIPAddress];//交易结果通知网站此处用于测试，随意填写，正式使用时填写正确网站notify_url =@"www.cccuu.com";trade_type =@"APP";//商户密钥partner = WX_partnerKey;//获取sign签名DataMD5 *data = [[DataMD5 alloc] initWithAppid:appid mch_id:mch_id nonce_str:nonce_str partner_id:partner body:body out_trade_no:out_trade_no total_fee:total_fee spbill_create_ip:spbill_create_ip notify_url:notify_url trade_type:trade_type];sign = [data getSignForMD5];//设置参数并转化成xml格式NSMutableDictionary *dic = [NSMutableDictionary dictionary];[dic setValue:appid forKey:@"appid"];//公众账号ID[dic setValue:mch_id forKey:@"mch_id"];//商户号[dic setValue:nonce_str forKey:@"nonce_str"];//随机字符串[dic setValue:sign forKey:@"sign"];//签名[dic setValue:body forKey:@"body"];//商品描述[dic setValue:out_trade_no forKey:@"out_trade_no"];//订单号[dic setValue:total_fee forKey:@"total_fee"];//金额[dic setValue:spbill_create_ip forKey:@"spbill_create_ip"];//终端IP[dic setValue:notify_url forKey:@"notify_url"];//通知地址[dic setValue:trade_type forKey:@"trade_type"];//交易类型// 转换成xml字符串NSString *string = [dic XMLString];[self http:string];
}#pragma mark - 拿到转换好的xml发送请求
- (void)http:(NSString *)xml {[MBProgressHUD showMessage:@"正在获取支付订单..."];AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];//这里传入的xml字符串只是形似xml，但是不是正确是xml格式，需要使用af方法进行转义manager.responseSerializer = [[AFHTTPResponseSerializer alloc] init];[manager.requestSerializer setValue:@"text/xml; charset=utf-8" forHTTPHeaderField:@"Content-Type"];[manager.requestSerializer setValue:@"https://api.mch.weixin.qq.com/pay/unifiedorder" forHTTPHeaderField:@"SOAPAction"];[manager.requestSerializer setQueryStringSerializationWithBlock:^NSString *(NSURLRequest *request, NSDictionary *parameters, NSError *__autoreleasing *error) {return xml;}];//发起请求[manager POST:@"https://api.mch.weixin.qq.com/pay/unifiedorder" parameters:xml success:^(AFHTTPRequestOperation *operation, id responseObject) {NSString *responseString = [[NSString alloc] initWithData:responseObject encoding:NSUTF8StringEncoding] ;// LXLog(@"responseString is %@",responseString);//将微信返回的xml数据解析转义成字典NSDictionary *dic = [NSDictionary dictionaryWithXMLString:responseString];//判断返回的许可if ([[dic objectForKey:@"result_code"] isEqualToString:@"SUCCESS"] &&[[dic objectForKey:@"return_code"] isEqualToString:@"SUCCESS"] ) {//发起微信支付，设置参数PayReq *request = [[PayReq alloc] init];request.openID = [dic objectForKey:@"appid"];request.partnerId = [dic objectForKey:@"mch_id"];request.prepayId= [dic objectForKey:@"prepay_id"];request.package = @"Sign=WXPay";request.nonceStr= [dic objectForKey:@"nonce_str"];//将当前事件转化成时间戳NSDate *datenow = [NSDate date];NSString *timeSp = [NSString stringWithFormat:@"%ld", (long)[datenow timeIntervalSince1970]];UInt32 timeStamp =[timeSp intValue];request.timeStamp= timeStamp;// 签名加密DataMD5 *md5 = [[DataMD5 alloc] init];request.sign=[md5 createMD5SingForPay:request.openID partnerid:request.partnerId prepayid:request.prepayId package:request.package noncestr:request.nonceStr timestamp:request.timeStamp];// 调用微信
          [WXApi sendReq:request];[MBProgressHUD hideHUD];}else{LXLog(@"参数不正确，请检查参数");[MBProgressHUD hideHUD];[MBProgressHUD showError:@"支付错误！"];}} failure:^(AFHTTPRequestOperation *operation, NSError *error) {LXLog(@"error is %@",error);[MBProgressHUD hideHUD];[MBProgressHUD showError:@"未完成支付"];}];
}#pragma mark - 产生随机订单号
- (NSString *)generateTradeNO {static int kNumber = 15;NSString *sourceStr = @"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";NSMutableString *resultStr = [[NSMutableString alloc] init];srand(time(0)); // 此行代码有警告: for (int i = 0; i < kNumber; i++) {unsigned index = rand() % [sourceStr length];NSString *oneStr = [sourceStr substringWithRange:NSMakeRange(index, 1)];[resultStr appendString:oneStr];}return resultStr;
}

#pragma mark - WXApiDelegate
-(void)onResp:(BaseResp *)resp {if ([resp isKindOfClass:[PayResp class]]) {PayResp*response=(PayResp*)resp;  // 微信终端返回给第三方的关于支付结果的结构体switch (response.errCode) {case WXSuccess:{// 支付成功，向后台发送消息LXLog(@"支付成功");[[NSNotificationCenter defaultCenter] postNotificationName:@"WX_PaySuccess" object:nil];}break;case WXErrCodeCommon:{ //签名错误、未注册APPID、项目设置APPID不正确、注册的APPID与设置的不匹配、其他异常等[MBProgressHUD showError:@"支付失败"];LXLog(@"支付失败");}break;case WXErrCodeUserCancel:{ //用户点击取消并返回LXLog(@"取消支付");[MBProgressHUD showError:@"取消支付"];}break;case WXErrCodeSentFail:{ //发送失败LXLog(@"发送失败");[MBProgressHUD showError:@"发送失败"];}break;case WXErrCodeUnsupport:{ //微信不支持LXLog(@"微信不支持");[MBProgressHUD showError:@"微信不支持"];}break;case WXErrCodeAuthDeny:{ //授权失败LXLog(@"授权失败");[MBProgressHUD showError:@"授权失败"];}break;default:break;}}
}