#import “DataManager.h”
#import “ViewController.h”
@interface ViewController ()<UITableViewDelegate,UITableViewDataSource>
@property(nonatomic,strong)UITableView *tableView;
@property(nonatomic , strong)NSMutableArray *SeleArr;// 数组
@property(nonatomic,strong)Model *m_model;
@property(nonatomic,strong)NSString *g_str;
@end
@implementation ViewController
{
NSMutableArray *items;
}
-
(void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.self.m_model = [[Model alloc]init];
self.strUrl = [[Model alloc]init];
self.g_str = [NSString string];
self.SeleArr = [[NSMutableArray alloc]init];self.view.backgroundColor = [UIColor whiteColor];
self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:@selector(addBegin)];
self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@“edit” style:UIBarButtonItemStyleDone target:self action:@selector(edit)];
//
}
– (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
return 60;
}
– (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return 1;
}
-
(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return self.SeleArr.count;
} -
(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@“cell”];
if (!cell) {
cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:@“cell”];
}
Model *modelIII = self.SeleArr[indexPath.row];
cell.textLabel.text = modelIII.title_Arr;return cell;
}
//可以编辑时 显示动画效果 ,不能编辑时 收回动画效果
-(void)edit
{
if (_tableView.editing == YES) {
[self.tableView setEditing:NO animated:YES];
}else{
[self.tableView setEditing:YES animated:NO];
}
}
-(void)addBegin{
UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@“提示” message:@“请输入要插入的信息” preferredStyle:UIAlertControllerStyleAlert];
//增加确定按钮;
[alertController addAction:[UIAlertAction actionWithTitle:@“确定” style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
//获取第1个输入框;
UITextField *userNameTextField = alertController.textFields.firstObject;
self.g_str = userNameTextField.text;
//把主动加入的字符串加入model
self.strUrl.title_Arr = self.g_str;
[[DataManager shareManage]open];
[[DataManager shareManage]create];
[[DataManager shareManage]insert:self.strUrl];
self.SeleArr = self.SeleArr = [[DataManager shareManage]select];
NSLog(@"self.array---------------------------%@",self.SeleArr);
[self.tableView reloadData];
}]];
//增加取消按钮;
[alertController addAction:[UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleDefault handler:nil]];
//定义第一个输入框;
[alertController addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull textField) {
textField.placeholder = @"请输入信息";
}];
[self presentViewController:alertController animated:true completion:nil];
}
//查询 插入
-(void)viewWillAppear:(BOOL)animated{
_tableView = [[UITableView alloc]initWithFrame:self.view.frame style:UITableViewStyleGrouped];
self.tableView.scrollEnabled = YES;
self.tableView.delegate =self ;
self.tableView.dataSource = self;
[self.view addSubview:self.tableView];
self.SeleArr = [[DataManager shareManage] select];
[[DataManager shareManage]insert:self.strUrl];
//
[self.tableView reloadData];
}
//删除
-(void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath{
//打开数据库
[[DataManager shareManage]open];
[[DataManager shareManage]deleteData:[self.SeleArr[indexPath.row]title_Arr]];//根据model模型里的一个数据删除整个模型的数组数据
[self.SeleArr removeObjectAtIndex:indexPath.row];
[self.tableView reloadData];
}
@end
Model
#import “Model.h”
@implementation Model
-(NSString *)title_Arr
{
return _title_Arr;
}
@end