摘要: ios MKNetworkKit 的使用 转载http://blog.csdn.net/marujunyy/article/details/8495810 
目录:[ - ]
常用框架比如:AFNetworking,ASIHttpRequest,SDWebImage,MKNetWorKit等。
iOS5已出来这么久了,而ASIHttpRequest的作者已经申明不更新了,在iOS5环境下,其实还是有些问题的。
现在MKNetWorkKi吸取了ASIHttpRequest与AFNetWorking的优点,并加入了自己特有的功能。
下载:
github下载了该项目后,如果想运行其demo,一定要打开MKNetworkKit.xcworkspace该文件,若单独打开,则编译时会提示缺少libMKNetworkKit-iOS.a文件!!!
 克隆下来之后把其中的  
MKNetworkKit文件夹拖入项目,然后引入3个framework: 
     CFNetwork.Framework  , SystemConfiguration.framework  , Security.framework
 注意:由于MKNetworkKit支持ARC,我们在项目中要开启ARC,不然会报错 

 开启ARC自动内存控制机制:(开启ARC之后项目中所有的  
dealloc 、release 、autorelease都得注释掉) 

使用方法:
    在需要使用的地方导入: #import"MKNetworkKit.h"
 http方式:
    GET请求:     
[cpp]view plaincopy
- MKNetworkEngine *engine = [[MKNetworkEngine alloc] initWithHostName:@"192.168.2.176:3000" customHeaderFields:nil]; 
- MKNetworkOperation *op = [engine operationWithPath:@"/index" params:nil httpMethod:@"GET" ssl:NO]; 
- [op addCompletionHandler:^(MKNetworkOperation *operation) { 
-        NSLog(@"[operation responseData]-->>%@", [operation responseString]); 
- }errorHandler:^(MKNetworkOperation *errorOp, NSError* err) { 
-        NSLog(@"MKNetwork request error : %@", [err localizedDescription]); 
- }]; 
- [engine enqueueOperation:op];<span style="font-family: SimSun;"> </span> 
    POST请求:
[cpp]view plaincopy
- MKNetworkEngine *engine = [[MKNetworkEngine alloc] initWithHostName:@"192.168.2.176:3000" customHeaderFields:nil]; 
- NSMutableDictionary *dic = [[NSMutableDictionary alloc] init]; 
- [dic setValue:@"admin" forKey:@"username"]; 
- [dic setValue:@"123" forKey:@"password"]; 
- MKNetworkOperation *op = [engine operationWithPath:@"/login" params:dic httpMethod:@"POST"]; 
- [op addCompletionHandler:^(MKNetworkOperation *operation) { 
-        NSLog(@"[operation responseData]-->>%@", [operation responseString]); 
- }errorHandler:^(MKNetworkOperation *errorOp, NSError* err) { 
-        NSLog(@"MKNetwork request error : %@", [err localizedDescription]); 
- }]; 
- [engine enqueueOperation:op]; 
    https方式:
[cpp]view plaincopy
- #define serverHost @"192.168.1.84:5558" 
- - (NSDictionary *)getDataFromURL:(NSString *)Path params:(NSDictionary *)data 
- { 
-        NSLog(@"MKNetwork request URL: %@%@ \n Data: %@",serverHost,Path,data); 
-       
-        __block NSDictionary *responseJSON; 
-        __block NSError *error = nil; 
-        MKNetworkEngine *engine = [[MKNetworkEngine alloc] initWithHostName:serverHost customHeaderFields:nil]; 
-        MKNetworkOperation *op = [engine operationWithPath:Path params:data httpMethod:@"POST" ssl:YES]; 
-       // 在请求中添加证书 
-        op.clientCertificate = [[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"client.p12"]; 
-        op.clientCertificatePassword = @"test"; 
-       // 当服务器端证书不合法时是否继续访问 
-        op.shouldContinueWithInvalidCertificate=YES; 
-        [op addCompletionHandler:^(MKNetworkOperation *operation) { 
-              NSLog(@"[operation responseData]-->>%@", [operation responseString]); 
-              responseJSON=[NSJSONSerialization JSONObjectWithData:[operation responseData] options:kNilOptions error:&error]; 
-              if(error) { 
-                    NSLog(@"JSONSerialization failed! - error: %@", error); 
-              }; 
-              error=nil; 
-        } errorHandler:^(MKNetworkOperation *errorOp, NSError* err) { 
-              error=err; 
-        }]; 
-        [engine enqueueOperation:op]; 
-  while(!error&&!responseJSON){} 
-        if (error) { 
-              NSLog(@"MKNetwork request error : %@", error); 
-              return nil; 
-        } 
-        if(responseJSON){ 
-              NSLog(@"JSONSerialization successed! - responseJSON: %@", responseJSON); 
-        } 
-        return responseJSON; 
- } 
-  NSDictionary *params=[NSDictionary dictionaryWithObjectsAndKeys:@"admin",@"userName", @"123",@"password", nil]; 
-  NSDictionary *responseDict = [self getDataFromURL:@"/login" params:params]; 
下载文件:
[cpp]view plaincopy
- +(MKNetworkOperation*) downloadFatAssFileFrom:(NSString*) remoteURL toFile:(NSString*) filePath { 
-        MKNetworkEngine *engine = [[MKNetworkEngine alloc] initWithHostName:@"127.0.0.1:5558" customHeaderFields:nil]; 
-        MKNetworkOperation *op = [engine operationWithURLString:remoteURL 
-        params:nil 
-        httpMethod:@"GET"]; 
-       
-        [op addDownloadStream:[NSOutputStream outputStreamToFileAtPath:filePath 
-        append:YES]]; 
-        [engine enqueueOperation:op]; 
-        return op; 
- } 
- +(void)testDownload{ 
-  NSArray *paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES); 
-  NSString *cachesDirectory = [paths objectAtIndex:0]; 
-  NSString *downloadPath = [cachesDirectory stringByAppendingPathComponent:@"DownloadedFile.pdf"]; 
-  MKNetworkOperation *downloadOperation=[HttpManager downloadFatAssFileFrom:@"http://127.0.0.1:5558/QQ" 
-  toFile:downloadPath]; 
-  [downloadOperation onDownloadProgressChanged:^(double progress) { 
-        //下载进度 
-        NSLog(@"download progress: %.2f", progress*100.0); 
-  }]; 
-  //事件处理 
-  [downloadOperation addCompletionHandler:^(MKNetworkOperation* completedRequest) { 
-        NSLog(@"download file finished!"); 
-  } errorHandler:^(MKNetworkOperation *errorOp, NSError* err) { 
-        NSLog(@"download file error: %@", err); 
-  }]; 
- } 
上传文件:
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- +(MKNetworkOperation*) uploadImageFromFile:(NSString*) filePath mimeType:(NSString *)fileType{ 
-        MKNetworkEngine *engine = [[MKNetworkEngine alloc] initWithHostName:@"127.0.0.1:5558" customHeaderFields:nil]; 
-        MKNetworkOperation *op = [engine operationWithPath:@"upload" 
-        params:[NSDictionary dictionaryWithObjectsAndKeys: 
-        @"admin", @"username", 
-        @"123", @"password",nil] 
-        httpMethod:@"POST"]; 
-       
-        [op addFile:filePath forKey:@"media" mimeType:fileType]; 
-       
-        // setFreezable uploads your images after connection is restored! 
-        [op setFreezable:YES]; 
-       
-        [op addCompletionHandler:^(MKNetworkOperation* completedOperation) { 
-             
-              NSString *responseString = [completedOperation responseString]; 
-              NSLog(@"server response: %@",responseString); 
-        } errorHandler:^(MKNetworkOperation *errorOp, NSError* err){ 
-             
-              NSLog(@"Upload file error: %@", err); 
-        }]; 
-       
-        [engine enqueueOperation:op]; 
-       
-        return op; 
- } 
- +(void)testUpload{ 
-        NSString *uploadPath = [[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"SampleImage.jpg"]; 
-        // NSData *myData = [NSData dataWithContentsOfFile:uploadPath]; 
-        // NSLog(@">>>>>>>>%@",myData); 
-        MKNetworkOperation *uploadOperation = [HttpManager uploadImageFromFile:uploadPath mimeType:@"jpg"]; 
-        [uploadOperation onUploadProgressChanged:^(double progress) { 
-              // 上传进度 
-              DLog(@"Upload file progress: %.2f", progress*100.0); 
-        }]; 
- } 
上传文件时服务器端程序(Node.Js):
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- var express = require('express') 
-  ,fs=require('fs'); 
- var app = module.exports = express.createServer(); 
- // Configuration 
- app.configure(function(){ 
-        app.use(express.bodyParser()); 
-        app.use(express.methodOverride()); 
-        app.use(app.router); 
- }); 
- // Routes 
- app.post('/upload', function(req, res) { 
-        console.log(req); 
-        var tmp_path = req.files.media.path; // 获得文件的临时路径 
-        var target_path = './'+req.files.media.name;// 指定文件上传后的目录 
-        fs.rename(tmp_path, target_path, function(err) { // 移动文件 
-              if (err) throw err; 
-              fs.unlink(tmp_path, function() {// 删除临时文件夹文件, 
-                    if (err) throw err; 
-              res.send({server:'success'}); 
-                    res.end(); 
-              }); 
-        }); 
- }); 
- app.listen(5558); 
- console.log("Express server listening on port %d in %s mode", app.address().port, app.settings.env);