iOS 沙盒文件操作

//获得document

+(NSString *)documentsPath {

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);

return [paths objectAtIndex:0];

}

//读取工程文件

+(NSString *) ProductPath:(NSString*)filename{

NSString *path = [[NSBundlemainBundle] pathForResource:filename ofType:@""];

return  path;

}

//获得document文件路径，名字方便记忆

+(NSString *) DocumentPath:(NSString *)filename {

NSString *documentsPath = [self documentsPath];

// NSLog(@"documentsPath=%@",documentsPath);

return [documentsPath stringByAppendingPathComponent:filename];

}

//获得document文件路径

+(NSString *)fullpathOfFilename:(NSString *)filename {

NSString *documentsPath = [self documentsPath];

// NSLog(@"documentsPath=%@",documentsPath);

return [documentsPath stringByAppendingPathComponent:filename];

}

//写入文件沙盒位置NSDictionary

+(void)saveNSDictionaryForDocument:(NSDictionary *)list  FileUrl:(NSString*) FileUrl  {

NSString *f = [self fullpathOfFilename:FileUrl];

[list writeToFile:f atomically:YES];

}

//写入文件存放到工程位置NSDictionary

+(void)saveNSDictionaryForProduct:(NSDictionary *)list  FileUrl:(NSString*) FileUrl  {

NSString *ProductPath =[[NSBundlemainBundle]  resourcePath];

NSString *f=[ProductPath stringByAppendingPathComponent:FileUrl];

[list writeToFile:f atomically:YES];

}

//写入文件 Array 工程

+(void)saveOrderArrayListProduct:(NSMutableArray *)list  FileUrl :(NSString*) FileUrl {

NSString *ProductPath =[[NSBundlemainBundle]  resourcePath];

NSString *f=[ProductPath stringByAppendingPathComponent:FileUrl];

[list writeToFile:f atomically:YES];

}

//写入文件 Array 沙盒

+(void)saveOrderArrayList:(NSMutableArray *)list  FileUrl :(NSString*) FileUrl {

NSString *f = [self fullpathOfFilename:FileUrl];

[list writeToFile:f atomically:YES];

}

//加载文件沙盒NSDictionary

+(NSDictionary *)loadNSDictionaryForDocument  : (NSString*) FileUrl {

NSString *f = [self fullpathOfFilename:FileUrl];

NSDictionary *list = [ [NSDictionaryalloc] initWithContentsOfFile:f];

return [list autorelease];

}

//加载文件工程位置NSDictionary

+(NSDictionary *)loadNSDictionaryForProduct   : (NSString*) FileUrl {

NSString *f = [self ProductPath:FileUrl];

NSDictionary *list =[NSDictionarydictionaryWithContentsOfFile:f];

return list;

}

//加载文件沙盒NSArray

+(NSArray *)loadArrayList   : (NSString*) FileUrl {

NSString *f = [self fullpathOfFilename:FileUrl];

NSArray *list = [NSArray  arrayWithContentsOfFile:f];

return list;

}

//加载文件工程位置NSArray

+(NSArray *)loadArrayListProduct   : (NSString*) FileUrl {

NSString *f = [self ProductPath:FileUrl];

NSArray *list = [NSArray  arrayWithContentsOfFile:f];

return list;

}

//拷贝文件到沙盒

+(int) CopyFileToDocument:(NSString*)FileName{

NSString *appFileName =[self fullpathOfFilename:FileName];

NSFileManager *fm = [NSFileManagerdefaultManager];

//判断沙盒下是否存在

BOOL isExist = [fm fileExistsAtPath:appFileName];

if (!isExist)   //不存在，把工程的文件复制document目录下

{

//获取工程中文件

NSString *backupDbPath = [[NSBundle mainBundle]

pathForResource:FileName

ofType:@""];

//这一步实现数据库的添加，

// 通过NSFileManager 对象的复制属性，把工程中数据库的路径复制到应用程序的路径上

BOOL cp = [fm copyItemAtPath:backupDbPath toPath:appFileName error:nil];

return cp;

} else {

return  -1; //已经存在

}

}

//判断文件是否存在

+(BOOL) FileIsExists:(NSString*) checkFile{

if([[NSFileManagerdefaultManager]fileExistsAtPath:checkFile])

{

return true;

}

return  false;

}