1.写到航
2.在vc.m里直接上代码
#import “ViewController.h”
@interface ViewController ()<UITableViewDelegate,UITableViewDataSource>
@property(nonatomic,strong)UITableView *tbv;
@property(nonatomic,strong)NSMutableArray *dataSource;
@end
@implementation ViewController
-
(void)viewDidLoad {
[super viewDidLoad];
self.dataSource=[[NSMutableArray alloc]init];
[self.view addSubview:self.tbv];
self.navigationItem.leftBarButtonItem=[[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemEdit target:self action:@selector(leftClick)];
self.navigationItem.rightBarButtonItem=[[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:@selector(rightClick)];
}
-(UITableView *)tbv{
if (!_tbv) {
_tbv=[[UITableView alloc]initWithFrame:self.view.frame style:UITableViewStylePlain];
_tbv.delegate=self;
_tbv.dataSource=self;
}
return _tbv;
}
-(void)rightClick{
UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@“提示” message:@“请输入Section名称” preferredStyle:UIAlertControllerStyleAlert];
//以下方法就可以实现在提示框中输入文本；//在AlertView中添加一个输入框
[alertController addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull textField) {textField.placeholder = @"姓名";}];
//添加一个确定按钮 并获取AlertView中的第一个输入框 将其文本赋值给BUTTON的title
[alertController addAction:[UIAlertAction actionWithTitle:@“确定” style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
UITextField *envirnmentNameTextField = alertController.textFields.firstObject;
[self.dataSource addObject:envirnmentNameTextField.text];
NSLog(@"%@",self.dataSource[0]);
[self.tbv reloadData];
//输出 检查是否正确无误
NSLog(@“你输入的文本%@”,envirnmentNameTextField.text);}]];
//添加一个取消按钮
[alertController addAction:[UIAlertAction actionWithTitle:@“取消” style:UIAlertActionStyleDefault handler:nil]];//present出AlertView
[self presentViewController:alertController animated:true completion:nil];
}
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
return self.dataSource.count;
}
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
UITableViewCell *cell=[tableView dequeueReusableCellWithIdentifier:@“cell”];
if (cell==nil) {
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:@“cell”];
}
cell.textLabel.text=self.dataSource[indexPath.row];
return cell;
}
-(void)leftClick{
[self.tbv setEditing:!self.tbv.isEditing animated:YES];
}
- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath
{
NSLog(@“commitEditingStyle–”);
[self.dataSource removeObjectAtIndex:indexPath.row];
[self.tbv deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationTop];
}
@end