ASI框架使用全集讲解

#import "ViewController.h"
import "ASIHTTPRequest.h"
import "ASIFormDataRequest.h"
import "DACircularProgressView.h"
@interface ViewController ()<ASIHTTPRequestDelegate>
@property(nonatomic,strong) NSMutableData  *data;
@property(nonatomic,weak) DACircularProgressView * da;
@end
@implementation ViewController

(NSMutableData *)data{


if (_data==nil) {
    _data=[NSMutableData data];
}
return _data;


}

(void)viewDidLoad {
  [super viewDidLoad];
self.view.backgroundColor=[UIColor greenColor];
DACircularProgressView * da=[[DACircularProgressView alloc] initWithFrame:CGRectMake(0, 0, 100, 100)];
self.da=da;
  self.da.center=self.view.center;
  [self.view addSubview:da];


}
-(void)touchesBegan:(NSSet )touches withEvent:(UIEvent )event{

//1 ASI 同步get请求

//    [self _synGet];

//2 ASI 异步get请求

//    [self _asynGet];

//3 ASI 异步get请求(block)

//    [self _asynGetBlock];

//4 ASI 同步Post请求

//     [self _synPost];

//5 ASI 异步Post请求

//    [self _asynPost];

// 6ASI 下载

//    [self _downLoad];

// 7ASI 上传
[self _upLoad];



}
//同步get请求

(void)_synGet{


NSURL * url=[NSURL URLWithString:@"http://localhost/logo.php?userName=jereh&pwd=123"];

//1 封装请求
ASIHTTPRequest * request=[[ASIHTTPRequest alloc] initWithURL:url];
//2 发送请求
[request startSynchronous];
//3 获取响应数据
NSData * data=request.responseData;
NSString * result=[[NSString alloc] initWithData: data encoding:NSUTF8StringEncoding];
NSLog(@"%@",result);


}
//异步get请求

(void)_asynGet{


NSURL * url=[NSURL URLWithString:@"http://localhost/logo.php?userName=jereh&pwd=123"];

//1 封装请求
ASIHTTPRequest * request=[[ASIHTTPRequest alloc] initWithURL:url];

request.delegate=self;

//2 发送请求
[request startAsynchronous];




}
//异步get请求block

(void)_asynGetBlock{


NSURL * url=[NSURL URLWithString:@"http://localhost/logo.php?userName=jereh&pwd=123"];

//1 封装请求
ASIHTTPRequest * request=[[ASIHTTPRequest alloc] initWithURL:url];

//2 发送请求
[request startAsynchronous];


//3 重写block
 [request setDataReceivedBlock:^(NSData *data) {
     [self.data appendData:data];




 }];

 [request setHeadersReceivedBlock:^(NSDictionary *responseHeaders) {

 }];

[request setFailedBlock:^{

}];


[request setCompletionBlock:^{
    NSString * str=  [[NSString alloc] initWithData:self.data encoding:NSUTF8StringEncoding];
    NSLog(@"%@",str);
}];


}
//同步Post请求block

(void) _synPost{


NSURL * url=[NSURL URLWithString:@"http://localhost/loginPost.php"];

ASIFormDataRequest * form=[[ASIFormDataRequest alloc] initWithURL:url];

//设置请求参数
[form setPostValue:@"jereh" forKey:@"userName"];
[form setPostValue:@"123" forKey:@"pwd"];

[form startSynchronous];

NSString * str= form.responseString;
NSLog(@"%@",str);


}
//同步Post请求block

(void) _asynPost{
NSURL * url=[NSURL URLWithString:@"http://localhost/loginPost.php&quot;];
ASIFormDataRequest * form=[[ASIFormDataRequest alloc] initWithURL:url];
//设置请求参数
  [form setPostValue:@"jereh" forKey:@"userName"];
  [form setPostValue:@"123" forKey:@"pwd"];
form.delegate=self;
[form startSynchronous];


}

(void) _downLoad{
NSURL * url=[NSURL URLWithString:@"http://localhost/test.rar&quot;];
//1 封装请求
  ASIHTTPRequest * request=[[ASIHTTPRequest alloc] initWithURL:url];
//2 dest path
 NSString *path=[NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject];
  path =[path stringByAppendingPathComponent:@"new.rar"];
  NSLog(@"%@",path);
request.downloadDestinationPath=path;
request.downloadProgressDelegate=self.da;
//3 请求
  [request startAsynchronous];


}
//上传

(void) _upLoad{
NSURL * url=[NSURL URLWithString:@"http://localhost/upload.php&quot;];
ASIFormDataRequest * form=[[ASIFormDataRequest alloc] initWithURL:url];



NSString * path=[[NSBundle mainBundle] pathForResource:@"default.png" ofType:nil];

//设置文件参数
[form setFile:path withFileName:@"new.png" andContentType:@"image/png" forKey:@"file"];


form.uploadProgressDelegate=self.da;

[form startAsynchronous];


}
pragma mark - ASIHTTPRequest代理

(void)request:(ASIHTTPRequest )request didReceiveData:(NSData )data{
[self.data appendData:data];
}

(void)request:(ASIHTTPRequest )request didReceiveResponseHeaders:(NSDictionary )responseHeaders{


}

(void)requestFinished:(ASIHTTPRequest *)request{
NSString * str=  [[NSString alloc] initWithData:self.data encoding:NSUTF8StringEncoding];
  NSLog(@"%@",str);


}

(void)requestFailed:(ASIHTTPRequest *)request{

}
@end </pre>