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网络解析 get 和post
//get同步
- (IBAction)getT:(id)sender {
//准备一个Url
NSURL *url=[NSURL URLWithString:BASE_URL];
//创建一个请求对象
NSMutableURLRequest *request=[NSMutableURLRequest requestWithURL:url];
//选择请求方式
[request setHTTPMethod:@"GET"];
//创建响应对象
NSURLResponse *response=nil;
//是否出错
NSError *error=nil;
//创建连接
NSData *data=http://www.mamicode.com/[NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&error];
//解析数据
NSArray*arr=[NSJSONSerialization JSONObjectWithData:data options:(NSJSONReadingMutableContainers) error:nil];
//转换成字符串
NSString *s=[NSString stringWithFormat:@"%@",arr];
//打印
NSLog(@"%@",s);
}
*******************************************
//POST 同步
- (IBAction)postT:(id)sender {
//准备一个url
NSURL *url=[NSURL URLWithString:BASE_URL_2];
//创建一个请求对象
NSMutableURLRequest *request=[NSMutableURLRequest requestWithURL:url];
[request setHTTPMethod:@"POST"];
//body
NSData *databody=[BASE_URL_2_PARAM dataUsingEncoding:NSUTF8StringEncoding];
//给请求设置body
[request setHTTPBody:databody];
//创建连接
NSData *data=http://www.mamicode.com/[NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
//数据解析
NSDictionary *dic=[NSJSONSerialization JSONObjectWithData:data options:(NSJSONReadingMutableContainers) error:nil];
NSString *s=[NSString stringWithFormat:@"%@",dic];
NSLog(@"%@",s);
}
*****************************
//GET 异步 代理
- (IBAction)getYBDL:(id)sender {
//准备 URl
NSURL *url=[NSURL URLWithString:BASE_URL];
//创建请求对象
NSMutableURLRequest *request=[NSMutableURLRequest requestWithURL:url];
[request setHTTPMethod:@"GET"];
//创建链接(同时设置代理)
NSURLConnection*conn=[NSURLConnection connectionWithRequest:request delegate:self];
//启动链接
[conn start];
}
//代理方法一 :接收到响应
-(void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response
{
self.redata=[NSMutableData data];
}
//代理方法二:接收数据
-(void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
{
[self.redata appendData:data];
}
//代理方法三:接收完成处理数据
-(void)connectionDidFinishLoading:(NSURLConnection *)connection
{
//数据处理
NSArray *arr=[NSJSONSerialization JSONObjectWithData:self.redata options:(NSJSONReadingMutableContainers) error:nil];
NSString *s=[NSString stringWithFormat:@"%@",arr];
NSLog(@"%@",s);
}
//代理方法四:出错
-(void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error
{
}
******************************************************
//POST异步 block
- (IBAction)postBLOCK:(id)sender {
//准备url
NSURL *url=[NSURL URLWithString:BASE_URL_2];
//创建请求对象
NSMutableURLRequest *request=[NSMutableURLRequest requestWithURL:url];
[request setHTTPMethod:@"POST"];
//加body
NSData *databody=[BASE_URL_2_PARAM dataUsingEncoding:NSUTF8StringEncoding];
[request setHTTPBody:databody];
//创建连接
[NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {
//解析数据
NSArray *arr=[NSJSONSerialization JSONObjectWithData:data options:(NSJSONReadingMutableContainers) error:nil];
//转换数据
NSString *s=[NSString stringWithFormat:@"%@",arr];
//打印
NSLog(@"%@",s);
}];
}
***************************************************
//GET异步 block
- (IBAction)getBLOCK:(id)sender {
NSURL *url=[NSURL URLWithString:BASE_URL];
NSURLRequest *request=[NSURLRequest requestWithURL:url];
[NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {
NSArray *arr=[NSJSONSerialization JSONObjectWithData:data options:(NSJSONReadingMutableContainers) error:nil];
NSString *s=[NSString stringWithFormat:@"%@",arr];
NSLog(@"%@",s);
}];
}
网络解析 get 和post