1.Get请求
//get把传输的数据 放在链接地址里面- (void)getRequest{ NSString *interfaceString = @"http://apis.baidu.com/showapi_open_bus/mobile/find"; NSString *requestContentString = @"num=15761672938"; NSString *urlString = [NSString stringWithFormat:@"%@?%@",interfaceString,requestContentString]; NSURL *url = [NSURL URLWithString:[urlString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];// 可变请求 可以添加请求方式 以及请求的 请求头 或者更多// timeoutInterval请求所需时间 超过所需时间 超过时间不再发送这个请求// cachePolicy缓存内容的方式 NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url cachePolicy:NSURLRequestUsePRotocolCachePolicy timeoutInterval:10]; NSString *apiKey = @"e7f5ac9e7c42a6c8cb125ee1d7e8779e";// 把apiKey 发送给服务器 指定的请求 位置// forHTTPHeaderField需要的Key 是服务器指定的key [request addValue:apiKey forHTTPHeaderField:@"apiKey"]; // 指定http的请求方式 request.HTTPMethod = @"GET";//一般都是大写 [NSURLConnection sendAsynchronousRequest:request queue:[[NSOperationQueue alloc]init] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) { NSLog(@"%@",response); // 解析json文件 // 把data转换成json文件 NSDictionary *info = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:nil]; NSLog(@"%@",info); NSLog(@"info===%@ ,%@%@",info[@"showapi_res_body"][@"name"],info[@"showapi_res_body"][@"prov"],info[@"showapi_res_body"][@"city"]); }];}
2.Post请求
//post- (void)postRequest{ NSURL *url = [NSURL URLWithString:@"http://www.weihuok.com/customer2/GetService"];// 请求参数// PlatformType设备类型 3表示ios设备 NSDictionary *dic = @{@"PlatformType":@"3"}; NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:10];// 设置请求方式 request.HTTPMethod = @"POST";// 设置 请求的参数// HTTPBody要的是data// dataUsingEncoding把字符串转成data request.HTTPBody = [[NSString stringWithFormat:@"%@",dic]dataUsingEncoding:NSUTF8StringEncoding]; [NSURLConnection sendAsynchronousRequest:request queue:[[NSOperationQueue alloc]init] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) { NSDictionary *info = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:nil]; NSLog(@"==%@",info); }]; }
3.HTTP Get请求
GET URL 字符串地址 parameters boby体的内容
AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
[manager GET:@"" parameters:nil success:^(AFHTTPRequestOperation *operation, id responSEObject) {
// responseObject请求下来的数据内容
} failure:^(AFHTTPRequestOperation *operation, NSError * error) {
}];
4.HTTP Post请求
//post parameters需要post的内容
[manager POST:@"" parameters:@{} success:^(AFHTTPRequestOperation * operation, id responseObject) {
} failure:^(AFHTTPRequestOperation * operation, NSError * error) {
}];
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