AFNetworking框架的使用
#import "ViewController.h"import "AFNetworking.h"
@interface ViewController ()
@end
@implementation ViewController
- (void)viewDidLoad { [super viewDidLoad];
}
-(void)touchesBegan:(NSSet )touches withEvent:(UIEvent )event{
[self sendGet];
// [self sendPost]; // [self upLoad]; // [self downLoad];
// 默認就是異步的請求！！ }
/**
get 請求 */
- (void) sendGet{
AFHTTPRequestOperationManager * mamaner=[AFHTTPRequestOperationManager manager];//單例
//設置解析返回的數據的類型（默認就是解析json的）（可以設置，有三種） // mamaner.responseSerializer=[AFHTTPResponseSerializer serializer];//不管返回什么樣的數據，統一解析成二進制數據 // mamaner.responseSerializer = [AFXMLParserResponseSerializer serializer];//返回的是xml的，使用這個 // mamaner.responseSerializer = [AFJSONResponseSerializer serializer];//默認的
//get請求兩種寫法 //(1)寫法一 NSString url=@"http://192.168.2.162/logo.php?userName=jereh&pwd=123"; [mamaner GET:url parameters:nil success:^(AFHTTPRequestOperation operation, id responseObject) {
NSLog(@"%@",responseObject);} failure:^(AFHTTPRequestOperation operation, NSError error) {
NSLog(@"%@",error);}];
//（2）寫法二，類似post的寫法 // NSString url=@"http://192.168.2.162/logo.php"; // NSDictionary dic=@{@"userName":@"jereh",@"pwd":@"123"}; // [mamaner GET:url parameters:dic success:^(AFHTTPRequestOperation operation, id responseObject) { //
// NSLog(@"%@",responseObject); //
// } failure:^(AFHTTPRequestOperation operation, NSError *error) { // NSLog(@"%@",error); // }];
}
/**
post 請求 */
- (void) sendPost{
AFHTTPRequestOperationManager * mamaner=[AFHTTPRequestOperationManager manager];
// mamaner.responseSerializer=[AFHTTPResponseSerializer serializer];
NSString * url=@"http://192.168.2.162/loginPost";
NSDictionary * dic=@{@"userName":@"jereh",@"pwd":@"123"};
[mamaner POST:url parameters:dic success:^(AFHTTPRequestOperation *operation, id responseObject) {
NSLog(@"%@",responseObject);
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"%@",error);
}];
}
/**
post 請求（上傳，使用post） */
- (void) upLoad{
AFHTTPRequestOperationManager * mamaner=[AFHTTPRequestOperationManager manager];
mamaner.responseSerializer=[AFHTTPResponseSerializer serializer];
NSString * url=@"http://192.168.2.162/upload.php";
[mamaner POST:url parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
NSURL * url=[[NSBundle mainBundle] URLForResource:@"exclusive_title_icon.png" withExtension:nil];
[formData appendPartWithFileURL:url name:@"file" fileName:@"jereh.png" mimeType:@"image/png" error:nil];
} success:^(AFHTTPRequestOperation *operation, id responseObject) {
NSString * str=[[NSString alloc] initWithData:responseObject encoding:NSUTF8StringEncoding];
NSLog(@"%@",str);
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"%@",error);
}];
}
/**
post 請求（下載，get請求） */
- (void) downLoad{
//(0)創建manager對象 NSURLSessionConfiguration config=[NSURLSessionConfiguration defaultSessionConfiguration]; AFURLSessionManager manager=[[AFURLSessionManager alloc] initWithSessionConfiguration:config];
//(1)監控下載進度
[manager setDownloadTaskDidWriteDataBlock:^(NSURLSession *session, NSURLSessionDownloadTask *downloadTask, int64_t bytesWritten, int64_t totalBytesWritten, int64_t totalBytesExpectedToWrite) {
//注意當前線程是子線程，需要返回主線程刷新數據
CGFloat progress=totalBytesWritten*1.0/totalBytesExpectedToWrite;//寫入的比上總共的
dispatch_sync(dispatch_get_main_queue(), ^{
self.progress.progress=progress;
});
}];
//(2)請求
NSURLRequest * request=[NSURLRequest requestWithURL:[NSURL URLWithString:@"http://192.168.2.162/test.rar"]];
//注意下邊的方法有返回值,block也有一個返回值
NSURLSessionDownloadTask *task= [manager downloadTaskWithRequest:request progress:nil destination:^NSURL *(NSURL *targetPath, NSURLResponse *response) {
NSString * cache=[NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject];
cache =[cache stringByAppendingPathComponent:@"jereh.rar"];
NSURL * url=[NSURL fileURLWithPath:cache];
return url;
} completionHandler:^(NSURLResponse *response, NSURL *filePath, NSError *error) {
if (error) {
NSLog(@"下載失敗了");
}else{
NSLog(@"下載完成");
}
}];
//(3)開始任務（注意要寫這一句）
[task resume];
}
@end
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