iOS 使用其他应用打开(pdf文件名称包含中文报错)

这里是最low的采用webview方式打开的, 网上还有其他方式,就不一一列举了,直说我遇到的坑,而且网上没有说明的地方

1,首先在info.plish文件,

屏幕快照 2017-12-04 下午2.09.13.png

添加如下:

CFBundleDocumentTypes
 
  
   CFBundleTypeExtensions
   
    pdf
   
   CFBundleTypeIconFiles
   
    copy.png
   
   CFBundleTypeName
   Files
   LSHandlerRank
   Default
   LSItemContentTypes
   
    com.adobe.pdf
   
  
  
   CFBundleTypeExtensions
   
    pdf
   
   CFBundleTypeIconFiles
   
   LSHandlerRank
   Default
   Document Content Type UTIs
   
    com.adobe.pdf
   
  
 

这时候,你在选择应用的时候, 就会发现你的应用出现在了列表中,

2,打开文件

在Appdelegate中,添加如下

- (BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation
{
    if (url != nil) {
        NSString *path = [url absoluteString];
        NSMutableString *string = [[NSMutableString alloc] initWithString:path];
        if ([path hasPrefix:@"file://"]) {
            [string replaceOccurrencesOfString:@"file://" withString:@"" options:NSCaseInsensitiveSearch  range:NSMakeRange(0, path.length)];
        }
        
        [[NSNotificationCenter defaultCenter] postNotificationName:@"pdf" object:string];
 
    }
    
    return YES;
}

在创建的显示文件的viewcontroller中,

- (void)viewDidLoad {
    [super viewDidLoad];
    
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(opening:) name:@"pdf" object:nil];
    
 
}
- (void)dealloc
{
    
    [[NSNotificationCenter defaultCenter] removeObserver:self name:@"pdf" object:nil];
    
}

- (void)opening:(NSNotification *)notifacation
{
    self.webview = [[UIWebView alloc] initWithFrame:self.view.bounds];
    NSString *str = notifacation.object;
    
//注意:此行代码为防止文件名称为中文,造成打开文件报错,进行转码
     NSString *dataGBK = [str stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
    
    NSURL *pdfURL = [NSURL fileURLWithPath:dataGBK];
    
    
    NSURLRequest *request = [NSURLRequest requestWithURL:pdfURL];
    [self.webview setScalesPageToFit:YES];
    [self.webview loadRequest:request];

    [self.view addSubview:self.webview];
 
}

注意 如果你打开的是中文名称的PDF文件报错了 请添加如下代码

//将路径中的utf8码转为中文字符
    NSString *dataGBK = [str stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];