有没有什么简单的方法可以替换plist中的一个数据？

发布于 2024-09-01 11:10:01 字数 364 浏览 3 评论 0原文

以下是我获取该值的方法：

NSString *path =  [[NSBundle mainBundle] pathForResource:@"myPlist" ofType:@"plist"];
NSDictionary *dict = [[NSDictionary alloc] initWithContentsOfFile:path];
NSArray *tempArray = [dict valueForKey:@"2"];
NSString *myTarget = [tempArray objectAtIndex:0];

“myTarget”是我想要替换的内容，如何用@“newString”替换它并写入plist？ thz u。

原文

Here is how I can get the value:

NSString *path =  [[NSBundle mainBundle] pathForResource:@"myPlist" ofType:@"plist"];
NSDictionary *dict = [[NSDictionary alloc] initWithContentsOfFile:path];
NSArray *tempArray = [dict valueForKey:@"2"];
NSString *myTarget = [tempArray objectAtIndex:0];

the "myTarget" is something I want to replace with, how can I replace it with @"newString" and write to plist? thz u.

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屌丝范 2024-09-08 11:10:01

这样做：

NSString *path =  [[NSBundle mainBundle] pathForResource:@"myPlist" ofType:@"plist"];
NSData * data = [NSData dataWithContentsOfFile:path];
NSMutableDictionary * dict = (NSMutableDictionary *)[NSPropertyListSerialization
                                    propertyListFromData:data
                                    mutabilityOption:NSPropertyListMutableContainersAndLeaves
                                    format:NULL
                                    errorDescription:NULL];
NSMutableArray *tempArray = [dict valueForKey:@"2"];
NSString *myTarget = [tempArray objectAtIndex:0];
[tempArray replaceObjectAtIndex:0 withObject:newString];
[dict writeToFile:[path stringByExpandingTildeInPath] atomically:YES];

Do this:

NSString *path =  [[NSBundle mainBundle] pathForResource:@"myPlist" ofType:@"plist"];
NSData * data = [NSData dataWithContentsOfFile:path];
NSMutableDictionary * dict = (NSMutableDictionary *)[NSPropertyListSerialization
                                    propertyListFromData:data
                                    mutabilityOption:NSPropertyListMutableContainersAndLeaves
                                    format:NULL
                                    errorDescription:NULL];
NSMutableArray *tempArray = [dict valueForKey:@"2"];
NSString *myTarget = [tempArray objectAtIndex:0];
[tempArray replaceObjectAtIndex:0 withObject:newString];
[dict writeToFile:[path stringByExpandingTildeInPath] atomically:YES];

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