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這篇文章給大家分享的是有關(guān)iOS如何對(duì)plist文件進(jìn)行讀寫(xiě),增刪改查操作的內(nèi)容。小編覺(jué)得挺實(shí)用的,因此分享給大家做個(gè)參考,一起跟隨小編過(guò)來(lái)看看吧。
對(duì)plist文件進(jìn)行讀寫(xiě)
//獲取路徑對(duì)象 NSArray *pathArray = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *path = [pathArray objectAtIndex:0]; //獲取文件的完整路徑 NSString *filePatch = [path stringByAppendingPathComponent:@"column.plist"]; NSLog(@"%@",filePatch); //寫(xiě)入數(shù)據(jù)到plist文件 NSMutableDictionary *dic1 = [NSMutableDictionary dictionaryWithObjectsAndKeys:@"小小虎",@"name",@"5",@"age",@"boy",@"sex",nil]; NSMutableDictionary *dic2 = [NSMutableDictionary dictionaryWithObjectsAndKeys:@"小小兮",@"name",@"6",@"age",@"girl",@"sex",nil]; //將上面2個(gè)小字典保存到大字典里面 NSMutableDictionary *dataDic = [NSMutableDictionary dictionary]; [dataDic setObject:dic1 forKey:@"一年級(jí)"]; [dataDic setObject:dic2 forKey:@"二年級(jí)"]; //寫(xiě)入plist里面 [dataDic writeToFile:filePatch atomically:YES]; //讀取plist文件的內(nèi)容 NSMutableDictionary *dataDictionary = [[NSMutableDictionary alloc] initWithContentsOfFile:filePatch]; NSLog(@"---plist一開(kāi)始保存時(shí)候的內(nèi)容---%@",dataDictionary);
對(duì)pilst文件進(jìn)行修改
//修改字典里面的內(nèi)容,先按照結(jié)構(gòu)取到你想修改內(nèi)容的小字典 NSMutableDictionary *dd = [dataDictionary objectForKey:@"一年級(jí)"]; [dd setObject:@"我改名字了哦" forKey:@"name"]; [dd setObject:@"我添加的新內(nèi)容" forKey:@"content"]; [dd removeObjectForKey:@"age"]; //修改成功以后,將這個(gè)小字典重新添加到大字典里面 [dataDictionary setObject:dd forKey:@"一年級(jí)"]; [dataDictionary writeToFile:filePatch atomically:YES]; NSLog(@"---plist做過(guò)操作之后的字典里面內(nèi)容---%@",dataDictionary);
刪除
//清除plist文件,可以根據(jù)我上面講的方式進(jìn)去本地查看plist文件是否被清除 NSFileManager *fileMger = [NSFileManager defaultManager]; NSString *xiaoXiPath = [[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)objectAtIndex:0]stringByAppendingPathComponent:@"xiaoxi.plist"]; //如果文件路徑存在的話(huà) BOOL bRet = [fileMger fileExistsAtPath:xiaoXiPath]; if (bRet) { NSError *err; [fileMger removeItemAtPath:xiaoXiPath error:&err]; }
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