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1，[NSString containsString:]在iOS7会崩溃（废话）
解决：网上的改法一般是在nsstring里面加上一个containsString函数，但是这样无法根据版本号判断调用（在那里判断的话会导致死循环，可以试下玩玩~），所以可以考虑单独列出来。
[self containsString:string andSubString:@" "]
- (BOOL)containsString:(NSString *)oString andSubString:(NSString *)subString {
if ([[UIDevice currentDevice] systemVersion].floatValue >= 8.0) {
return [oString containsString:subString];
}
else if ([oString rangeOfString:subString].location != NSNotFound) {
return YES;
}
return NO;
}
2，使用AFNetworking的时候，如果想要看发送的具体链接是什么请在这里打断点：
AFURLRequestSerialization.m 331行
- (NSMutableURLRequest *)requestWithMethod:(NSString *)method URLString:(NSString *)URLString parameters:(id)parameters error:(NSError *__autoreleasing *)error { NSParameterAssert(method); NSParameterAssert(URLString); NSURL *url = [NSURL URLWithString:URLString]; NSParameterAssert(url); NSMutableURLRequest *mutableRequest = [[NSMutableURLRequest alloc] initWithURL:url]; mutableRequest.HTTPMethod = method; for (NSString *keyPath in AFHTTPRequestSerializerObservedKeyPaths()) { if ([self.mutableObservedChangedKeyPaths containsObject:keyPath]) { [mutableRequest setValue:[self valueForKeyPath:keyPath] forKey:keyPath]; } } mutableRequest = [[self requestBySerializingRequest:mutableRequest withParameters:parameters error:error] mutableCopy]; return mutableRequest; }
找不到的话查询mutableRequest就好。另外，如果是post类型的，在331行return前断掉，输入po parameters就可以检查你传的参数了。可惜的是这时候参数还没有被encode哟~
3，遇到恶心的server，返回数据的时候先告诉你error，然后在body里面放错误信息....
AFNetworking本身是不会帮你解析的。这时没办法的你只能改AFNetworking了...
试试利用 AFHTTPRequestOperation *operation 这个变量在error的时候解析
我们的项目里这样改的：BCJSONObjectRequest.m
- (void)sendRequest { _tag = sTag ++; [self buildParams]; //解析 void (^success)(AFHTTPRequestOperation *operation, id responseObject) = ^(AFHTTPRequestOperation *operation, id responseObject) { dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ NSError *erro; id result = [self parseResponse:responseObject error:&erro]; dispatch_async(dispatch_get_main_queue(), ^{ //在主线程回调 if (erro != nil) { [self inerJsonResultFailed:erro]; }else { [self inerJsonResultSuccess:result]; } }); }); }; void (^failure)(AFHTTPRequestOperation *operation, NSError *error) = ^(AFHTTPRequestOperation *operation, NSError *error) { dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ id erro = [self parseErro:error]; dispatch_async(dispatch_get_main_queue(), ^{ NSError *parseErro; id result = [self parseResponse:operation.responseObject error:&parseErro]; if (result != nil && operation.responseObject != nil) { if ([result isKindOfClass:NSError.class]) { [self inerJsonResultFailed:result]; } else{ [self inerJsonResultSuccess:result]; } } else { //在主线程回调 [self inerJsonResultFailed:erro]; } }); }); }; //调用请求 BCHTTPFacade *manager = [BCHTTPFacade shareFacade]; switch (self.requestMethod) { case Get: self.requestOperation = [manager GET:_url parameters:self.params success:success failure:failure]; break; case Post: if (self.mutipartBlock) { [manager POST:_url parameters:self.params constructingBodyWithBlock:self.mutipartBlock success:success failure:failure]; }else { self.requestOperation = [manager POST:_url parameters:self.params success:success failure:failure]; } break; default: LogError(@"UnSupport method:requestMethod = %d,url = %@",self.requestMethod,self.url); break; } }
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原文地址：http://www.cnblogs.com/heiline/p/5341873.html
