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  • 微信支付相关代码

    1.申请AppID,导入依赖库,配置URL Scheme这里就不深究了,各位看官请自行百度.

    2.在AppDelegate中导入头文件,遵守WXApiDelegate,然后在launch里注册AppID.

    3.在支付界面导入头文件,创建支付对象,调起微信

    //调起微信支付,传入参数

    PayReq* req = [[[PayReq alloc] init]autorelease];

    req.openID = APPI_ID;

    req.partnerId = PARTNER_ID;

    req.prepayId = prePayid;

    req.nonceStr = nonce_str;

    req.timeStamp = now;

    req.package = package;

    req.sign = sign;

    [WXApi safeSendReq:req];

    4.微信支付的回调需要添加在AppDelegate中

    - (BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation

    {

         //返回应用后的回调,通过handleOpenURL进入微信支付的回调onResp:(BaseResp*)resp

             return [WXApi handleOpenURL:url delegate:self];

    }

    -(void) onResp:(BaseResp*)resp

    {

    if ([resp isKindOfClass:[PayResp class]])

    {

    PayResp *response = (PayResp *)resp;

    NSString *strTitle = [NSString stringWithFormat:@"支付结果"];

    NSString *strMsg = [NSString stringWithFormat:@"errcode:%d", response.errCode];

     UIAlertView *alert = [[UIAlertView alloc] initWithTitle:strTitlemessage:strMsg  delegate:self cancelButtonTitle:@"OK"  otherButtonTitles:nil, nil];

    [alert show];

    switch (response.errCode) {

    case WXSuccess: {

    NSNotification *notification = [NSNotification notificationWithName:ORDER_PAY_NOTIFICATION object:@"success"];

    [[NSNotificationCenter defaultCenter] postNotification:notification];

    break;

    }

    default: {

    NSNotification *notification = [NSNotification notificationWithName:ORDER_PAY_NOTIFICATION object:@"fail"];

    [[NSNotificationCenter defaultCenter] postNotification:notification];

    break;

    }

    }

    }

    }

    但是将微信支付相关的代码全部写到AppDelegate中又会显得代码冗余,这时我们需要创建通知,在成功回调后发出通知,在支付界面监听回调,完成支付.

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  • 原文地址:https://www.cnblogs.com/yxt9322yxt/p/4755887.html
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