这是一个微信支付与微信跳转的demo,只是作为demo作为参考。
这是在2015年12月23号,根据微信官方文档做出的支付demo。
和官方文档里面的read.text描述的一样,需要两步操作。
+(NSString *)jumpToBizPay {
//============================================================
// V3&V4支付流程实现
// 注意:参数配置请查看服务器端Demo
// 更新时间:2015年11月20日
//============================================================
NSString *urlString = @"http://wxpay.weixin.qq.com/pub_v2/app/app_pay.php?plat=ios";
//解析服务端返回json数据
NSError *error;
//加载一个NSURL对象
NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:urlString]];
//将请求的url数据放到NSData对象中
NSData *response = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
if ( response != nil) {
NSMutableDictionary *dict = NULL;
//IOS5自带解析类NSJSONSerialization从response中解析出数据放到字典中
dict = [NSJSONSerialization JSONObjectWithData:response options:NSJSONReadingMutableLeaves error:&error];
NSLog(@"url:%@",urlString);
if(dict != nil){
NSMutableString *retcode = [dict objectForKey:@"retcode"];
if (retcode.intValue == 0){
NSMutableString *stamp = [dict objectForKey:@"timestamp"];
//调起微信支付
PayReq* req = [[PayReq alloc] init];
req.partnerId = [dict objectForKey:@"partnerid"];
req.prepayId = [dict objectForKey:@"prepayid"];
req.nonceStr = [dict objectForKey:@"noncestr"];
req.timeStamp = stamp.intValue;
req.package = [dict objectForKey:@"package"];
req.sign = [dict objectForKey:@"sign"];
[WXApi sendReq:req];
//日志输出
NSLog(@"appid=%@\npartid=%@\nprepayid=%@\nnoncestr=%@\ntimestamp=%ld\npackage=%@\nsign=%@",[dict objectForKey:@"appid"],req.partnerId,req.prepayId,req.nonceStr,(long)req.timeStamp,req.package,req.sign );
return @"";
}else{
return [dict objectForKey:@"retmsg"];
}
}else{
return @"服务器返回错误,未获取到json对象";
}
}else{
return @"服务器返回错误";
}}
- (void)onResp:(BaseResp *)resp {
if([resp isKindOfClass:[PayResp class]]){ //支付返回结果,实际支付结果需要去微信服务器端查询 NSString *strMsg,*strTitle = [NSString stringWithFormat:@"支付结果"];
switch (resp.errCode) {
case WXSuccess:
strMsg = @"我的支付结果:成功!";
NSLog(@"支付-PaySuccess,retcode = %d", resp.errCode);
break;
default:
strMsg = [NSString stringWithFormat:@"支付结果:失败!retcode = %d, retstr = %@", resp.errCode,resp.errStr];
NSLog(@"错误,retcode = %d, retstr = %@", resp.errCode,resp.errStr);
break;
}
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:strTitle message:strMsg delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil, nil];
[alert show];
}}
- (void)bizPay {
NSString *res = [WXApiRequestHandler jumpToBizPay];
if( ![@"" isEqual:res] ){
UIAlertView *alter = [[UIAlertView alloc] initWithTitle:@"支付失败" message:res delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil];
[alter show];
}}
到此,微信支付结束。主要注意的是在appdelegate调用支付结果回调,这一版里面所有的设置参数都放在了后台操作。
平时我们的app有时候需要跳转到微信,下面是跳转微信公众号的demo。如果你对下面的代码感到陌生,请百度:ios应用间跳转。
NSString *urlStr = [NSString stringWithFormat:@"weixin://dl/officialaccounts"];
//复制字符串到剪切板
UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
pasteboard.string = @"孙云飞";
[[UIApplication sharedApplication]openURL:[NSURL URLWithString:urlStr]];
至此,关于此demo的文档结束。有问题可以联系。 QQ:1035044809