您的位置：首页 > 移动开发

stringByAppendingPathComponent及他的删除函数 等系列函数

2015-03-19 16:12 381 查看


- (NSString *)stringByAppendingPathComponent:(NSString *)aString

aString is
“
scratch.tiff
”:
Receiver’s String Value
Resulting String
“
/tmp
”
“
/tmp/scratch.tiff
”
“
/tmp/
”
“
/tmp/scratch.tiff
”
“
/
”
“
/scratch.tiff
”
“” (an empty string)
“
scratch.tiff
”
- (NSString *)stringByDeletingLastPathComponent
Receiver’s String Value
Resulting String
“
/tmp
/scratch.tiff
”
“
/tmp
”
“
/tmp/lock/
”
“
/tmp
”
“
/tmp/
”
“
/
”
“
/tmp
”
“
/
”
“
/
”
“
/
”
“
scratch.tiff
”
“” (an empty string)
- (NSString *)stringByAppendingPathExtension:(NSString *)extext is
"
tiff
"

Receiver’s String Value
Resulting String
“
/tmp/scratch.old
”
“
/tmp/scratch.old.tiff
”
“
/tmp/scratch.
”
“
/tmp/scratch..tiff
”
“
/tmp/
”
“
/tmp.tiff
”
“
scratch
”
“
scratch.tiff
”
-
(NSString *)stringByDeletingPathExtension

Receiver’s String Value
Resulting String
“
/tmp/scratch.tiff
”
“
/tmp/scratch
”
“
/tmp/
”
“
/tmp
”
“
scratch.bundle/
”
“
scratch
”
“
scratch..tiff
”
“
scratch.
”
“
.tiff
”
“
.tiff
”
“
/
”
“
/
”
- (NSString *)stringByAppendingString:(NSString *)aString

aString
The string to append to the receiver. This value must not be 
nil
.
NSString *errorTag = @"Error: ";

NSString *errorString = @"premature end of file.";

NSString *errorMessage = [errorTag stringByAppendingString:errorString];

produces the string
“
Error:
premature end of file.
”.

                                            

                                        

                        
                        内容来自用户分享和网络整理，不保证内容的准确性，如有侵权内容，可联系管理员处理 点击这里给我发消息 
                    

                    

                    

                        

                         标签： 
                                                

                        

                    


                

            


            

                
相关文章推荐

                

                
            

        

        

            

            
            

                

                    
新的分享

                    

                        
                    

                

            


            

                

                    
章节导航