IOS 集成微信支付功能的实现方法

#import "WXApi.h"添加 代理WXApiDelegate- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {  // Override point for customization after application launch.  //self.window.backgroundColor = [UIColor clearColor];  // 微信支付注册  [WXApiregisterApp:PAY_WEIXIN_ID];    returnYES;}// ios 9.0以上系统版本回调- (BOOL)application:(UIApplication *)app openURL:(NSURL *)url options:(NSDictionary<NSString *,id> *)options{  // 微信  if ([url.schemeisEqualToString:PAY_WEIXIN_ID]) {    [WXApihandleOpenURL:url delegate:(id<WXApiDelegate>)self];  }    // 支付宝  if ([url.schemeisEqualToString:@"SearchPigeonWorld"]) {    //跳转支付宝钱包进行支付，处理支付结果    [[AlipaySDKdefaultService] processOrderWithPaymentResult:urlstandbyCallback:^(NSDictionary *resultDic) {      if ([self.appMyDelegaterespondsToSelector:@selector(payCenterWeixinOnResultWith:)]) {        [self.appMyDelegatepayCenterWeixinOnResultWith:[resultDic[@"resultStatus"]intValue] ==9000 ? YES :NO];      }    }];  }  returnYES;}//支付成功时调用，回到第三方应用中 ios 9.0以下系统版本回调- (BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation{  // 微信  if ([url.schemeisEqualToString:PAY_WEIXIN_ID])  {    [WXApihandleOpenURL:url delegate:(id<WXApiDelegate>)self];  }    // 支付宝  if ([url.hostisEqualToString:PAY_ALIPAY_appID]) {    //跳转支付宝钱包进行支付，处理支付结果    [[AlipaySDKdefaultService] processOrderWithPaymentResult:urlstandbyCallback:^(NSDictionary *resultDic) {      if ([self.appMyDelegaterespondsToSelector:@selector(payCenterWeixinOnResultWith:)]) {        [self.appMyDelegatepayCenterWeixinOnResultWith:[resultDic[@"resultStatus"]intValue] ==9000 ? YES :NO];      }    }];  }      returnYES;}/** 微信自己的结果返回方法 @param resp 返回结果状态 */- (void)onResp:(BaseResp*)resp{  if([respisKindOfClass:[PayRespclass]]){    BOOL isPaySuccess =NO;    switch (resp.errCode) {      caseWXSuccess:        isPaySuccess = YES;        break;      caseWXErrCodeUserCancel:        isPaySuccess = NO;        break;      caseWXErrCodeSentFail:        isPaySuccess = NO;        break;      caseWXErrCodeAuthDeny:        isPaySuccess = NO;        break;      default:        isPaySuccess = NO;        break;    }    if ([self.appMyDelegaterespondsToSelector:@selector(payCenterWeixinOnResultWith:)]) {      [self.appMyDelegatepayCenterWeixinOnResultWith:isPaySuccess];    }  }}

#pragma mark 2.2.14（10）使用微信进行付款，获取微信加密信息- (void)getWebResponsePayWeixinInfo {  NSDictionary *parameters =@{@"key" :appDelegate.userKeyString,                 @"foundRecordId" : [self.payInfoDictobjectForKey:@"foundRecordId"]};  [MBProgressHUDshowMessage:@""];  [WebDataResponseInterfaceSessionManagerPostWebDataWithApi:WEBInterFace_Good_CreateWeiXinPayOrderandParameters:parameters andSuccess:^(id successObject) {    MYLOG(@"%@", successObject);    [MBProgressHUDhideHUD];    if ([successObject[@"status"]isEqualToString:@"success"]) {      successObject = [successObject objectForKey:@"value"];      // 微信支付      //需要创建这个支付对象      PayReq *req  = [[PayReqalloc] init];      //由用户微信号和AppID组成的唯一标识，用于校验微信用户      req.openID = successObject[@"appid"];            // 商家id，在注册的时候给的      req.partnerId = [successObjectobjectForKey:@"partnerid"];            // 预支付订单这个是后台跟微信服务器交互后，微信服务器传给你们服务器的，你们服务器再传给你      req.prepayId = [successObjectobjectForKey:@"prepayid"];            // 根据财付通文档填写的数据和签名      //这个比较特殊，是固定的，只能是即req.package = Sign=WXPay      req.package  = [successObjectobjectForKey:@"package"];            // 随机编码，为了防止重复的，在后台生成      req.nonceStr = [successObjectobjectForKey:@"noncestr"];            // 这个是时间戳，也是在后台生成的，为了验证支付的      req.timeStamp = [[successObjectobjectForKey:@"timestamp"]doubleValue];            // 这个签名也是后台做的      req.sign = [successObjectobjectForKey:@"sign"];            //发送请求到微信，等待微信返回onResp      [WXApisendReq:req];    } else {      [MBProgressHUDshow:[successObject objectForKey:@"value"]icon:nilview:self.view];    }      } andFailure:^(NSError *error) {    [MBProgressHUDhideHUD];    MYLOG(@"error: %@", error);  }];}