AFN下载文件 存到沙盒并读取json
直接上代码
AFHTTPSessionManager *manage = [AFHTTPSessionManager manager];
NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:@"http://xxxxxxxxxx/json/data.json"]];
NSURLSessionDownloadTask *downloadTask = [manage downloadTaskWithRequest:request progress:nil destination:^NSURL * _Nonnull(NSURL * _Nonnull targetPath, NSURLResponse * _Nonnull response) {
NSString *caches = [NSHomeDirectory() stringByAppendingPathComponent:[NSString stringWithFormat:@"Documents/"]];
NSString *fullpath = [caches stringByAppendingPathComponent:response.suggestedFilename];
NSURL *filePathUrl = [NSURL fileURLWithPath:fullpath];
return filePathUrl;
} completionHandler:^(NSURLResponse * _Nonnull response, NSURL * _Nonnull filePath, NSError * _Nonnull error) {
NSLog(@"文件下载完毕---%@",filePath);
NSData *data = [NSData dataWithContentsOfFile: [[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0] stringByAppendingPathComponent:@"type_all.json"]];
id JsonObject=[NSJSONSerialization JSONObjectWithData:data
options:NSJSONReadingAllowFragments
error:nil];
// NSStringEncoding gbkEncoding =
// CFStringConvertEncodingToNSStringEncoding(kCFStringEncodingGB_18030_2000);
// NSString *pageSource = [[NSString alloc] initWithData:data encoding:gbkEncoding];
// NSData *newData=[pageSource dataUsingEncoding:NSUTF8StringEncoding];
// self.allTypeArr = [NSJSONSerialization JSONObjectWithData:newData options:NSJSONReadingMutableContainers error:nil];
self.alltypeArr = JsonObject ;
NSLog(@"===%@",self.alltypeArr);
}];
[downloadTask resume];
