如何解决传递给需要非空第一个参数的被调用方的cordova nil
- (void)webView:(WKWebView *)webView startURLSchemeTask:(id <WKURLSchemeTask>)urlSchemeTask
{ NSString * startPath = [[NSBundle mainBundle] pathForResource:self.viewController.wwwFolderName ofType: nil]; NSURL * url = urlSchemeTask.request.URL; NSString * stringToLoad = url.path; NSString * scheme = url.scheme;
if ([scheme isEqualToString:self.viewController.appScheme]) {
if ([stringToLoad hasPrefix:@"/_app_file_"]) {
startPath = [stringToLoad stringByReplacingOccurrencesOfString:@"/_app_file_" withString:@""];
} else {
if ([stringToLoad isEqualToString:@""] || [url.pathExtension isEqualToString:@""]) {
startPath = [startPath stringByAppendingPathComponent:self.viewController.startPage];
} else {
startPath = [startPath stringByAppendingPathComponent:stringToLoad];
}
}
}
NSError * fileError = nil;
NSData * data = nil;
if ([self isMediaExtension:url.pathExtension]) {
data = [NSData dataWithContentsOfFile:startPath options:NSDataReadingMappedIfSafe error:&fileError];
}
if (!data || fileError) {
data = [[NSData alloc] initWithContentsOfFile:startPath];
}
NSInteger statusCode = 200;
if (!data) {
statusCode = 404;
}
NSURL * localUrl = [NSURL URLWithString:url.absoluteString];
NSString * mimeType = [self getMimeType:url.pathExtension];
id response = nil;
if (data && [self isMediaExtension:url.pathExtension]) {
response = [[NSURLResponse alloc] initWithURL:localUrl MIMEType:mimeType expectedContentLength:data.length textEncodingName:nil];
} else {
NSDictionary * headers = @{ @"Content-Type" : mimeType,@"Cache-Control": @"no-cache"};
response = [[NSHTTPURLResponse alloc] initWithURL:localUrl statusCode:statusCode HTTPVersion:nil headerFields:headers];
}
[urlSchemeTask didReceiveResponse:response];
[urlSchemeTask didReceiveData:data];
[urlSchemeTask didFinish];
解决方法
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