[摘要]本文是對iphone document 圖片存儲和讀取的講解，對學習IOS蘋果軟件開發有所幫助,與大家分享。

存：

NSFileManager*fileManager=[NSFileManagerdefaultManager];
NSArray*paths=NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask,YES);

//文件名
NSString*uniquePath=[[pathsobjectAtIndex:0]stringByAppendingPathComponent:@"pin.png"];
BOOLblHave=[[NSFileManagerdefaultManager]fileExistsAtPath:uniquePath];
if(!blHave){
NSLog(@"nohave");
return;
}else{
NSLog(@"have");
BOOLblDele=[fileManagerremoveItemAtPath:uniquePatherror:nil];
if(blDele){
NSLog(@"delesuccess");
}else{
NSLog(@"delefail");
}

}

 NSFileManager* fileManager=[NSFileManager defaultManager];
    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask, YES);
    
    //文件名
    NSString *uniquePath=[[paths objectAtIndex:0] stringByAppendingPathComponent:@"pin.png"];
    BOOL blHave=[[NSFileManager defaultManager] fileExistsAtPath:uniquePath];
    if (!blHave) {
        NSLog(@"no  have");
        return ;
    }else {
        NSLog(@" have");
        BOOL blDele= [fileManager removeItemAtPath:uniquePath error:nil];
        if (blDele) {
            NSLog(@"dele success");
        }else {
            NSLog(@"dele fail");
        }
        
    }