全局设置网页代理

//设置所有内嵌webView统一的User-Agent

    NSMutableDictionary *dictionary = [NSMutableDictionarydictionaryWithObjectsAndKeys:[MTDCommonUtlgetDeviceInfoParam], @"UserAgent",nil];

    [dictionary setValue:[MTDCommonUtlgetDNSServers] forKey:@"dns_mark"];

    [dictionary setValue:[GSDeviceUtilgetDeviceUUID] forKey:@"device_id"];

    [[NSUserDefaultsstandardUserDefaults] registerDefaults:dictionary];

  // end