GET请求
- 使用AFN有以下几点注意点
- 没有URL的概念
- 已经序列号成字典
- 没有线程间通信的概念,不用考虑线程间通信
- GET请求参数可以不需要拼接到URL后面
- 通过GET请求获得服务器返回的json数据
- (void)getJson
{
//获得网络请求管理者
AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
//发送网络请求
[manager GET:@"http://localhost/demo.json" parameters:nil success:^(AFHTTPRequestOperation *operation, id responseObject) {
NSLog(@"responseObject==%@,%@",responseObject,[NSThread currentThread]);
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"error==%@",error);
}];
}
提前在服务器中准备好的json 就能很轻松的解析出来:
- 通过get登录
- (void)getLogin
{
AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
//发送网络请求 - GET请求
[manager GET:@"http://localhost/login.php?username=zhangsan&password=zhang" parameters:nil success:^(AFHTTPRequestOperation *operation, id responseObject) {
NSLog(@"responseObject==%@--%@",responseObject,[NSThread currentThread]);
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"%@",error);
}];
}
- GET登录中,用户名带中文,需要稍微的自己转码才行(百分比转码)
- (void)getLogin2
{
//获得请求对象
AFHTTPRequestOperationManager *mannager = [AFHTTPRequestOperationManager manager];
NSString *url = @"http://localhost/login.php?username=张三&password=zhang";
url = [url stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
[mannager GET:url parameters:nil success:^(AFHTTPRequestOperation *operation, id responseObject) {
NSLog(@"responseObject==%@--%@",responseObject,[NSThread currentThread]);
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"%@",error);
}];
}
- post登录演示:
- (void)postLogin
{
AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
//发送网络请求
NSDictionary * parameter = @{@"username":@"zhangsan",@"password":@"zhang"};
[manager POST:@"http://localhost/login.php" parameters:parameter success:^(AFHTTPRequestOperation *operation, id responseObject) {
NSLog(@"responseObject==%@--%@",responseObject,[NSThread currentThread]);
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"%@",error);
}];
}
- 到现在我们已经使用AFN完成了GET一级POST的一些需求
- 接下来我们看一下 如何使用AFN来对XML数据的解析:
- 如果我们只是单独的依靠AFN 那么是解析不出来XML数据的,要结合我们之前写的SAX解析XML (两个一起 才好):解析XML
- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
//获得网络请求管理者
AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
//修改响应解析对象
manager.responseSerializer = [AFXMLParserResponseSerializer serializer];
//发送网络请求
[manager GET:@"http://localhost/videos.xml" parameters:nil success:^(AFHTTPRequestOperation *operation, id responseObject) {
[ZYSAXTool parse:responseObject finished:^(NSArray *videos) {
NSLog(@"responseObject==%@--%@",[responseObject class],[NSThread currentThread]);
}];
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"%@",error);
}];
}
因为之前封装好了XML数据的解析,所以现在就直接拿来用了