iOS网络篇－－－使用NSSession 实现post和get发送和接收,并实现字典的发送

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- (void)dataTaskSendGet

{

NSURL *url=[NSURLURLWithString:@"http://192.168.0.124:8080/WYServer/login?username=wyzc&pwd=wyzc"];

NSURLSession *session=[NSURLSessionsharedSession];

NSURLRequest *request=[NSURLRequestrequestWithURL:url];

NSURLSessionDataTask *dataTask=[session dataTaskWithRequest:request completionHandler:^(NSData *data,NSURLResponse *response, NSError *error) {

NSDictionary *dict=[NSJSONSerializationJSONObjectWithData:data options:NSJSONReadingAllowFragmentserror:nil];

if (dict[@"error"]) {

NSLog(@"%@",dict[@"error"]);

}

else

{

NSLog(@"%@",dict[@"success"]);

}

} ];

[dataTaskresume];

}

- (void)dataTaskSendPost

{

NSURL *url=[NSURLURLWithString:@"http://192.168.0.124:8080/WYServer/login"];

NSString *str=@"username=wyzc&pwd=wyzc";

NSMutableURLRequest *request=[NSMutableURLRequestrequestWithURL:url];

request.HTTPMethod=@"POST";

request.HTTPBody=[strdataUsingEncoding:NSUTF8StringEncoding];

//此处发送千万不能设置，这个地方只发送了口令数据接收者未使用json格式

// [request setValue:@"application/jason" forHTTPHeaderField:@"Content-Type"];

NSURLSession *session=[NSURLSessionsharedSession];

NSURLSessionDataTask *dataTask=[session dataTaskWithRequest:request completionHandler:^(NSData *data,NSURLResponse *response, NSError *error) {

NSDictionary *dict=[NSJSONSerializationJSONObjectWithData:data options:NSJSONReadingAllowFragmentserror:nil];

if (dict[@"error"]) {

NSLog(@"%@",dict[@"error"]);

}

else

{

NSLog(@"%@",dict[@"success"]);

}

}];

[dataTaskresume];

}

- (void)dataTaskJasonSendDict

{

NSURL *url=[NSURLURLWithString:@"http://192.168.0.124:8080/WYServer/order"];

NSMutableURLRequest *request=[NSMutableURLRequestrequestWithURL:url];

request.HTTPMethod=@"POST";

//此处发送一定要设置，这个地方把字典封装为json格式

[request setValue:@"application/jason"forHTTPHeaderField:@"Content-Type"];

NSDictionary *dict=@{@"name":@"sd",@"gender":@"man",

@"name":@"sddd",@"gender":@"feman",

@"name":@"xxx",@"gender":@"feman"

};

NSData *data=[NSJSONSerializationdataWithJSONObject:dict options:NSJSONWritingPrettyPrintederror:nil];

request.HTTPBody=data;

NSURLSession *session=[NSURLSessionsharedSession];

NSURLSessionDataTask *dataTask=[session dataTaskWithRequest:request completionHandler:^(NSData *data,NSURLResponse *response, NSError *error) {

NSDictionary *dict=[NSJSONSerializationJSONObjectWithData:data options:NSJSONReadingAllowFragmentserror:nil];

if (dict[@"error"]) {

NSLog(@"%@",dict[@"error"]);

}

else

{

NSLog(@"%@",dict[@"success"]);

}

}];

[dataTaskresume];

}

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