#import <UIKit/UIKit.h>#import "RQHAppDelegate.h"@interface MainTableViewController : UITableViewController{    NSMutableArray *_peoples;    RQHAppDelegate *_appDelegate;}@end

#import "MainTableViewController.h"#import "People.h"#import "AppendViewController.h"@implementation MainTableViewController#pragma mark - View lifecycle//查- (void)selectAllPeople{    NSFetchRequest *request = [[NSFetchRequest alloc]init];    NSEntityDescription *entityDescription = [NSEntityDescription entityForName:@"People" inManagedObjectContext:_appDelegate.managedObjectContext];    [request setEntity:entityDescription];    NSArray *arr = [_appDelegate.managedObjectContext executeFetchRequest:request error:nil];    _peoples = [NSMutableArray arrayWithArray:arr];    [self.tableView reloadData];}- (void)viewDidLoad{    [super viewDidLoad];    _peoples = [NSMutableArray arrayWithCapacity:0];    _appDelegate = [UIApplication sharedApplication].delegate;    [self selectAllPeople];}- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{    return _peoples.count;}- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{    static NSString *CellIdentifier = @"Cell";        UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];    if (cell == nil) {        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];    }    People *people = [_peoples objectAtIndex:indexPath.row];    cell.textLabel.text = people.name;    // Configure the cell...        return cell;}- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender{    AppendViewController *append = segue.destinationViewController;    //增    if ([segue.identifier isEqualToString:@"add"]) {        append.block = ^(NSString *text){            People *people = [NSEntityDescription insertNewObjectForEntityForName:@"People" inManagedObjectContext:_appDelegate.managedObjectContext];            people.name = text;            [_appDelegate saveContext];            [_peoples addObject:people];            [self.tableView reloadData];        };    }    else//改    {        UITableViewCell *cell = sender;        NSIndexPath *indexPath = [self.tableView indexPathForCell:cell];        People *people = [_peoples objectAtIndex:indexPath.row];        append.block = ^(NSString *text){            people.name = text;            [_appDelegate saveContext];            NSArray *arr = [NSArray arrayWithObject:indexPath];            [self.tableView reloadRowsAtIndexPaths:arr withRowAnimation:UITableViewRowAnimationAutomatic];        };                append.textViewText = people.name;            }}//删- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath{    [_appDelegate.managedObjectContext deleteObject:[_peoples objectAtIndex:indexPath.row]];    [_appDelegate saveContext];    [_peoples removeObjectAtIndex:indexPath.row];    NSArray *arr = [NSArray arrayWithObject:indexPath];    [self.tableView deleteRowsAtIndexPaths:arr withRowAnimation:UITableViewRowAnimationAutomatic];}@end