很久没有更新博客了，所以分享一个。
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@protocol
HttpListenerDelegate;@interface
BaseHttp : NSObject{ NSURLConnection* _connect; NSMutableData* _receiveData; NSString
*_httpUrl; NSString
*_identify; __weak id<HttpListenerDelegate> _delegate;}@property
(nonatomic, weak) id<HttpListenerDelegate> delegate;@property
(nonatomic, M_STRONG) NSURLConnection
*connect;@property
(nonatomic, M_STRONG) NSMutableData
*receiveData;@property
(nonatomic, M_STRONG) NSString
*httpUrl;//设置当前服务的唯一标示，默认为当前的URL@property
(nonatomic, M_STRONG) NSString
*identify;- (id)initWithHttpUrl:(NSString
*)url;//开始调用远程服务- (void)execute;- (void)execute:(id)param;//接收到服务器回应的时候调用此方法- (void)connection:(NSURLConnection
*)connection didReceiveResponse:(NSURLResponse
*)response;//接收到服务器传输数据的时候调用，此方法根据数据大小执行若干次- (void)connection:(NSURLConnection
*)connection didReceiveData:(NSData
*)data;//数据传完之后调用此方法- (void)connectionDidFinishLoading:(NSURLConnection
*)connection;//网络请求过程中，出现任何错误（断网，连接超时等）会进入此方法- (void)connection:(NSURLConnection
*)connection didFailWithError:(NSError
*)error;@end@protocol
HttpListenerDelegate <NSObject>@optional//接收到服务器回应的时候调用此方法- (void)didReceiveResponse:(NSURLResponse
*)response identify:(NSString
*)identify;- (void)didReceiveData:(NSData
*)data identify:(NSString
*)identify;//后台加载数据完成- (void)didFinishLoading:(NSMutableData*)receiveData identify:(NSString
*)identify;//网络请求异常- (void)didFailWithError:(NSError
*)error identify:(NSString
*)identify;@end |
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//// BaseHttp.m// myb-ios//// Created by warrior gao on 13-6-7.// Copyright (c) 2013年 51myb. All rights reserved.//#import "BaseHttp.h"@implementation
BaseHttp@synthesize
connect = _connect, receiveData = _receiveData, delegate = _delegate, httpUrl = _httpUrl, identify = _identify;- (id)initWithHttpUrl:(NSString
*)url{ self
= [self init]; _httpUrl = [NSString
stringWithFormat: @"%@%@",SERVER_URL, url]; _identify = url; return
self;}-(void)setHttpUrl:(NSString
*)httpUrl{ _httpUrl = httpUrl; if(!(_identify)) _identify = httpUrl;}//开始调用远程服务- (void)execute{ [self
execute:@""];}- (void)execute:(id)param{ if(DEBUG) { NSLog(@"开始请求:%@", _httpUrl); } //第一步，创建URL NSURL
*url = [NSURL
URLWithString:_httpUrl]; //第二步，创建请求 NSMutableURLRequest
*request = [[NSMutableURLRequest
alloc]initWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy
timeoutInterval:DEFAULT_HTTP_TIMEOUT]; [request setHTTPMethod:@"POST"];//设置请求方式为POST，默认为GET [request addValue:@"application/json"
forHTTPHeaderField:@"Content-Type"]; [request addValue:HTTP_HEADER_VALUE forHTTPHeaderField:HTTP_HEADER_KEY]; NSData
*bodyData = nil; if([param isKindOfClass:[NSString
class]]){ bodyData = [param dataUsingEncoding:NSUTF8StringEncoding]; } else
if ([param isKindOfClass:[NSData
class]]){ bodyData = param; } else
if ([param isKindOfClass:[NSNumber
class]]) { bodyData = [[param stringValue] dataUsingEncoding:NSUTF8StringEncoding]; } [request setHTTPBody:bodyData]; //第三步，连接服务器 _connect = [[NSURLConnection
alloc] initWithRequest:request delegate:self]; if(_connect){ _receiveData = [NSMutableData
data]; }}//接收到服务器回应的时候调用此方法- (void)connection:(NSURLConnection
*)connection didReceiveResponse:(NSURLResponse
*)response{ [_receiveData setLength:0]; if([_delegate respondsToSelector:@selector(didReceiveResponse:identify:)]) [_delegate didReceiveResponse:response identify:_identify];}//接收到服务器传输数据的时候调用，此方法根据数据大小执行若干次-(void)connection:(NSURLConnection
*)connection didReceiveData:(NSData
*)data{ [_receiveData appendData:data]; if([_delegate respondsToSelector:@selector(didReceiveData:identify:)]) [_delegate didReceiveData:data identify:_identify];}//数据传完之后调用此方法-(void)connectionDidFinishLoading:(NSURLConnection
*)connection{ if(DEBUG){ NSLog(@"请求后台数据完成---:%@",_identify); } if(DEBUG){ NSString
*receiveStr = [[NSString
alloc] initWithData:_receiveData encoding:NSUTF8StringEncoding]; NSLog(@"%@",receiveStr); } if([_delegate respondsToSelector:@selector(didFinishLoading:identify:)]) [_delegate didFinishLoading:_receiveData identify:_identify];}//网络请求过程中，出现任何错误（断网，连接超时等）会进入此方法- (void)connection:(NSURLConnection
*)connection didFailWithError:(NSError
*)error{ if(DEBUG){ NSLog(@"%@",[error localizedDescription]); } if([_delegate respondsToSelector:@selector(didFailWithError:identify:)]) [_delegate didFailWithError:error identify:_identify]; else
{ [AlertViewHelper alertMessage:HTTP_CONNECT_ERROR]; }}@end |
分享一个自己用的Objective-C的Http接连类,布布扣,bubuko.com
原文：http://www.cnblogs.com/warrior/p/3598561.html