通讯录

1》stuID一样时添加失败

2》根据stuID修改联系人姓名、手机号

3》根据姓名删除联系人

int main(int argc, const char * argv[]) {
    @autoreleasepool {
        
        ManagerPhone *book = [[ManagerPhone alloc]init];
        [book creatBookList];
        
        NSDictionary *dic1 = [NSDictionary dictionaryWithObjects:@[@"张三",@"15486584587",@"1215"] forKeys:@[@"name",@"phoneNum",@"stuID"]];
        
        NSDictionary *dic2 = [NSDictionary dictionaryWithObjects:@[@"张数",@"15486584588",@"1216"] forKeys:@[@"name",@"phoneNum",@"stuID"]];
        
        [book addStudent:dic2];
        [book addStudent:dic1];
        [book replaceStudent:@"1215" withName:@"张达" withPhoneNum:@"1111111111"];
        [book deleteStudent:@"小辉"];    
    
    }
    return 0;
}

#import <Foundation/Foundation.h>

@interface ManagerPhone : NSObject

- (NSString *)creatBookList;

- (BOOL)addStudent:(NSDictionary *)stuDic;

- (BOOL)deleteStudent:(NSString *)stuName;

- (BOOL)replaceStudent:(NSString *)stuID withName:(NSString *)name withPhoneNum:(NSString *)phoneNum;

@end

@implementation ManagerPhone


- (NSString *)creatBookList
{
    NSFileManager *fileManager = [NSFileManager defaultManager];
    NSString *path = @"/Users/scjy/Desktop/刘二龙练习/OC/ManagerPhone/ManagerPhone/ManagerPhone.plist";
    if (![fileManager fileExistsAtPath:path])
    {
        BOOL isOk = [fileManager createFileAtPath:path contents:nil attributes:nil];
        if (isOk)
        {
            NSLog(@"创建成功");
        }
    }
    else
    {
      //  NSLog(@"文件已存在，不需要再次创建");
    }
    return path;
}

 // 添加
- (BOOL)addStudent:(NSDictionary *)stuDic
{
    NSString *path = self.creatBookList;
 //   NSArray *write = [NSArray arrayWithContentsOfFile:path];
   // NSMutableArray *array = [[NSMutableArray alloc]init];
    
    
    // 读取文件数据到可变数组
    NSArray *have_array=[NSArray arrayWithContentsOfFile:path];
    NSMutableArray *array = [NSMutableArray arrayWithArray:have_array];
    
    
    
    
    //   NSMutableArray *array = [NSMutableArray arrayWithContentsOfFile:path];
    // 遍历数组，判断联系人是否已添加
    for (int i = 0; i< array.count; i++)
    {
        // 获取数组中字典
        NSDictionary *dic = [array objectAtIndex:i];
        // 判断联系人是否已添加
        if ([[dic valueForKey:@"stuID"]isEqualToString:[stuDic valueForKey:@"stuID"]])
        {
            NSLog(@"联系人%@已存在，添加失败",[stuDic valueForKey:@"name"]);
            return  NO;
        }
    }
    // 添加联系人到数组
    [array addObject:stuDic];
    
    // 将数组内容写入文件
    BOOL isSuccess = [array writeToFile:path atomically:YES];
    if (isSuccess) {
        NSLog(@"添加%@成功",[stuDic valueForKey:@"name"]);
    }
    return YES;
}

- (BOOL)deleteStudent:(NSString *)stuName
{
    NSString *path = self.creatBookList;
    // 读取文件数据到可变数组
    NSMutableArray *array = [NSMutableArray arrayWithContentsOfFile:path];
    // 遍历数组，判断联系人是否已添加
    for (int i = 0; i< array.count; i++)
    {
        // 获取数组中字典
        NSDictionary *dic = [array objectAtIndex:i];
        // 判断联系人是否已添加
        if ([[dic valueForKey:@"name"]isEqualToString:stuName])
        {
            [array removeObjectAtIndex:i];
            [array writeToFile:path atomically:YES];
            NSLog(@"联系人%@已存删除",stuName);
            return  YES;
        }
    }
    
    NSLog(@"删除失败");
    return NO;

}

- (BOOL)replaceStudent:(NSString *)stuID withName:(NSString *)name withPhoneNum:(NSString *)phoneNum
{
    NSString *path = self.creatBookList;
    // 读取文件数据到可变数组
    NSMutableArray *array = [NSMutableArray arrayWithContentsOfFile:path];
    // 遍历数组，判断联系人是否已添加
    for (int i = 0; i< array.count; i++)
    {
        // 获取数组中字典
        NSDictionary *dic = [array objectAtIndex:i];
        // 判断联系人是否已添加
        if ([[dic valueForKey:@"stuID"]isEqualToString:stuID])
        {
            [dic setValue:name forKey:@"name"];
            [dic setValue:phoneNum forKey:@"phoneNum"];
            [array writeToFile:path atomically:YES];
            NSLog(@"联系人%@已存修改",name);
            return  YES;
        }
    }
    
    NSLog(@"删除失败");
    return NO;

}



@end