IOS利用CocoaHttpServer搭建手机本地服务器
缘起
今天用暴风影音看视频,然后发现它有个功能,wifi传片,感觉挺有意思,然后就上网查了下相关内容。
原理
使用CocoaHTTPServer框架,在iOS端建立一个本地服务器,只要电脑和手机连入同一热点或者说网络,就可以实现通过电脑浏览器访问iOS服务器的页面,利用POST实现文件的上传。
实现
1.下载CocoaHTTPServer
2.导入CocoaHTTPServer-master目录下的Core文件夹
3.导入Samples/SimpleFileUploadServer目录下的MyHTTPConnection类文件和web文件夹
4.导入Vendor目录下的CocoaAsyncSocket、CocoaLumberjack文件夹
5.打开MyHTTPConnection.m文件,根据标记 #pragma mark multipart form data parser delegate 跳转或者直接找到139行的 *- (void) processStartOfPartWithHeader:(MultipartMessageHeader ) header 方法,把第151行的uploadDirPath改为
NSString *uploadDirPath = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject];
这个路径是上传文件的存储路径
6.在适当的地方配置server启动。这里以AppDelegate为例
#import "AppDelegate.h" #import <ifaddrs.h> #import <arpa/inet.h> #import "HTTPServer.h" #import "DDLog.h" #import "DDTTYLogger.h" #import "MyHTTPConnection.h" @interface AppDelegate () @property (nonatomic, strong) HTTPServer * httpServer; @end @implementation AppDelegate - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { _httpServer = [[HTTPServer alloc] init]; [_httpServer setPort:1234]; [_httpServer setType:@"_http._tcp."]; // webPath是server搜寻HTML等文件的路径 NSString * webPath = [[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"web"]; [_httpServer setDocumentRoot:webPath]; [_httpServer setConnectionClass:[MyHTTPConnection class]]; NSError *err; if ([_httpServer start:&err]) { NSLog(@"port %hu",[_httpServer listeningPort]); }else{ NSLog(@"%@",err); } NSString *ipStr = [self getIpAddresses]; NSLog(@"ip地址 %@", ipStr); return YES; } - (NSString *)getIpAddresses{ NSString *address = @"error"; struct ifaddrs *interfaces = NULL; struct ifaddrs *temp_addr = NULL; int success = 0; // retrieve the current interfaces - returns 0 on success success = getifaddrs(&interfaces); if (success == 0) { // Loop through linked list of interfaces temp_addr = interfaces; while(temp_addr != NULL) { if(temp_addr->ifa_addr->sa_family == AF_INET) { // Check if interface is en0 which is the wifi connection on the iPhone if([[NSString stringWithUTF8String:temp_addr->ifa_name] isEqualToString:@"en0"]) { // Get NSString from C String address = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr)]; } } temp_addr = temp_addr->ifa_next; } } // Free memory freeifaddrs(interfaces); return address; }
7.运行后,控制台会打印出端口号和ip,在电脑端浏览器里输入ip+端口号访问即可,如果成功的话会看到如下界面:
8.如果上传成功,网页上会出现上传的文件名,可以在沙盒里验证文件是否上传成功
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