1.
2.
复制：
1.NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
NSURLSession *session = [NSURLSession sessionWithConfiguration:configuration];
NSURL *url = [NSURL URLWithString:@"https://pixabay.com/api/?key=4572819-33c1e1dcbac7521c915689a81&&image_type=photo"];
NSURLRequest *repuest = [NSURLRequest requestWithURL:url];
NSURLSessionDataTask *task = [session dataTaskWithRequest:repuest completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
NSDictionary *result = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:nil];
NSMutableArray *urlS = [NSMutableArray array];
for (NSDictionary *dict in result[@"hits"]) {
NSString *linkurl = dict[@"webformatURL"];
[urlS addObject:linkurl];
}
_URLStrings = urlS;
dispatch_async(dispatch_get_main_queue(), ^{
[self.collectionView reloadData];
});
}];
[task resume];
2.
- (void)lqPostRequestByServiceName:(NSString *)service
andAppi:(NSString *)api
parmas:(NSDictionary *)parmas
succeBlock:(void(^)(id _Nullable response))succeBlock
errorBlock:(void(^)(id _Nullable error))errorBlock{
NSString *urlStr = [service stringByAppendingString:api];
NSURL *url = [NSURL URLWithString:urlStr];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
[request setHTTPMethod:@"POST"];
NSArray *allKeysArr = [parmas allKeys];
NSMutableString *result = [NSMutableString string];
for (NSString *keyStr in allKeysArr) {
NSString *str = [NSString stringWithFormat:@"%@=%@&",keyStr,parmas[keyStr]];
[result appendString:str];
}
NSString *targetStr = [result substringWithRange:NSMakeRange(0,result.length - 1)];
NSData *targetData = [targetStr dataUsingEncoding:NSUTF8StringEncoding];
[request setHTTPBody:targetData];
[request setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];
[request setValue:[NSString stringWithFormat:@"%ld",targetData.length] forHTTPHeaderField:@"Content-Length"];
request.timeoutInterval = 10;
NSURLSession *session = [NSURLSession sharedSession];
NSURLSessionDataTask *dataTask = [session dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil];
if (dic) {
succeBlock(dic);
}else{
errorBlock(error.description);
}
}];
[dataTask resume];
}