最近在原生App使用 WKWebView
调用H5支付之微信支付遇到的问题总结。
1、初始化
self.webView =[[WKWebView alloc]initWithFrame:CGRectMake(0,0, SCREEN_WIDTH, SCREEN_HEIGHT) configuration:nil];
2、设置user-Agent,稍后点说明这个用处
WeakSelf
[self._webView evaluateJavaScript:@"navigator.userAgent" completionHandler:^(id _Nullable title, NSError * _Nullable error) {
NSString *oldUserAgent = [NSString stringWithFormat:@"%@\\%@",title,@"yinxinyunUA"];
NSString *newUserAgent = [NSString stringWithFormat:@"%@ %@",oldUserAgent,@"TheNewWordForUserAgent"];
weakSelf._webView.customUserAgent = newUserAgent;
}];
3、设置delegate,并添加到self.view上
self._webView.navigationDelegate = self;
[self.view addSubview:self._webView];
4、要加载Url,并设置Referer,并加载
// NSURLRequest *request;
// request=[NSURLRequest requestWithURL:[NSURL URLWithString:self._urlString]];
// [self._webView loadRequest:request];
NSMutableURLRequest *mrequest =[NSMutableURLRequest requestWithURL:[NSURL URLWithString:self._urlString]];
[mrequest setValue:@"yinxinyunClient.test.aoyond.cn://" forHTTPHeaderField:@"Referer"];
[self._webView loadRequest:mrequest];
[self loadData];
5、delegate,方法
- (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler
{
if(navigationAction.navigationType == WKNavigationTypeBackForward){
NSString * url = navigationAction.request.URL.absoluteString;
NSString *scheme = [navigationAction.request.URL scheme];
if([url rangeOfString:@"backtohome"].location != NSNotFound)
{
[self backToParent];
decisionHandler(WKNavigationActionPolicyCancel);
return;
}
NSURLRequest *request = navigationAction.request;
if (![scheme isEqualToString:@"https"] && ![scheme isEqualToString:@"http"]) {
if ([scheme isEqualToString:@"weixin"]) {//跳到微信
BOOL canOpen = [[UIApplication sharedApplication] canOpenURL:request.URL];
if (canOpen) {
[[UIApplication sharedApplication] openURL:request.URL];
}
}
else if([scheme isEqualToString:@"yinxinyunclient.test.aoyond.cn"]){
NSString *resultUrl = [url stringByReplacingOccurrencesOfString:@"yinxinyunclient.test.aoyond.cn://" withString:@""];
NSString *resultUrl1 = [resultUrl stringByReplacingOccurrencesOfString:@"https//" withString:@"https://"];
NSMutableURLRequest *mrequest = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:resultUrl1]];
[webView loadRequest:mrequest];
decisionHandler(WKNavigationActionPolicyCancel);
return;
}
}
decisionHandler(WKNavigationActionPolicyAllow);
}
基本的代码都在这里了。
接下来说遇到的问题
一、发现点击微信支付的时候,不会跳转到微信App。这个问题解决方法就是设置Referer
。然后把设置URL schema
上面的第4步。亲测有效。但为什么要设置为yinxinyunClient.test.aoyond.cn://
这个值呢。前面yinxinyunClient
可以根据自己的意愿设置一个字符串。test.aoyond.cn
就是H5支付的域名,由H5提供方提供,实际上也是微信支付那边注册的域名。
设置完就可以跳转的微信了。当然如果你可以直接跳转到微信请忽略。
二、微信支付完跳转到了safari浏览器,不会跳到自己的App
正常点击微信支付,往微信跳转的是的URL:https://wx.tenpay.com/cgi-bin/mmpayweb-bin/checkmweb?prepay_id=wx241144553258021b372a53b53f54d00000&package=1716194183&redirect_url=yinxinyunClient.test.aoyond.cn://https://test.aoyond.cn/qishi/index.html?id=7787087488&activityId=218&shopId=7&orderId=1732489&sign=7f5b7f5a4a017f6c3e36a925edec77bb#/h5_result
重点redirect_url=yinxinyunClient.test.aoyond.cn://
这个就是能跳转回App的关键所在,这个后面的urlhttps://test.aoyond.cn/qishi/index.html?id=7787087488&activityId=218&shopId=7&orderId=1732489&sign=7f5b7f5a4a017f6c3e36a925edec77bb#/h5_result
是支付结果的url
如果H5那边没有根据我们App use-agent 值改变这个跳转的url的话。一般实际的跳转微信的url是这样的https://wx.tenpay.com/cgi-bin/mmpayweb-bin/checkmweb?prepay_id=wx241144553258021b372a53b53f54d00000&package=1716194183&redirect_url=https://test.aoyond.cn/qishi/index.html?id=7787087488&activityId=218&shopId=7&orderId=1732489&sign=7f5b7f5a4a017f6c3e36a925edec77bb#/h5_result
,没有了yinxinyunClient.test.aoyond.cn:// 这个就不会跳转回App。
当然我们也可以自己加上yinxinyunClient.test.aoyond.cn://
三、支付调回自己的app后显示不出来结果界面。
结果界面https://test.aoyond.cn/qishi/index.html?id=7787087488&activityId=218&shopId=7&orderId=1732489&sign=7f5b7f5a4a017f6c3e36a925edec77bb#/h5_result
包含在微信跳转的url里面,但是当我们加上yinxinyunClient.test.aoyond.cn://
的时候,支付完成后会自动请求
yinxinyunClient.test.aoyond.cn://https://test.aoyond.cn/qishi/index.html?id=7787087488&activityId=218&shopId=7&orderId=1732489&sign=7f5b7f5a4a017f6c3e36a925edec77bb#/h5_result
但是实际请求的时候url变了,变成了
yinxinyunClient.test.aoyond.cn://https//test.aoyond.cn/qishi/index.html?id=7787087488&activityId=218&shopId=7&orderId=1732489&sign=7f5b7f5a4a017f6c3e36a925edec77bb#/h5_result
这个时候我们需要拦截这个地址先去掉yinxinyunClient.test.aoyond.cn://
然后再在https后面添加上冒号:
。这就是所有支付过程中遇到的问题。
如果不明白的请联系本人,1147904687@qq.com。