? ? ? ? ? ? ? ?UI總結(jié)-KVC賦值
? ? ? 在實(shí)際的項(xiàng)目階段,后臺(tái)給我們的數(shù)據(jù)都是以字典的形式.我們?cè)谀玫綌?shù)據(jù)的時(shí)候要如何操作才能將數(shù)據(jù)轉(zhuǎn)化為我們能用的數(shù)據(jù),這時(shí)候我們就要用到KVC賦值了.
Viewcontroller.m文件:
#import "ViewController.h"
#import "Student.h"
@interface ViewController ()
@property(nonatomic, retain)UITableView *tableView;
@property(nonatomic ,retain)NSMutableArray *stuArr;
@property(nonatomic, retain)NSMutableArray *modelArr;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
[self creatData];
self.tableView = [[UITableView alloc]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height) style:UITableViewStylePlain];
[self.view addSubview:self.tableView];
self.tableView.dataSource =self;
self.tableView.delegate = self;
// Key-Value-Coding
Student *stu = [[Student alloc]init];
[stu setValue:@"鳴人" forKey:@"name"];
NSLog(@"%@",stu.name);
NSLog(@"%@",[stu valueForKey:@"name"]);
self.modelArr = [NSMutableArray array];
for (NSDictionary *dic in self.stuArr) {
Student *stu = [[Student alloc]init];
//kvc進(jìn)行賦值
[stu setValuesForKeysWithDictionary:dic];
NSLog(@"%@",stu.name);
[self.modelArr addObject:stu];
}
}
-(void)creatData{
NSString *path = [[NSBundle mainBundle]pathForResource:@"Student" ofType:@"plist"];
self.stuArr = [NSMutableArray arrayWithContentsOfFile:path];
}
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
return self.modelArr.count;
}
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
static NSString *reuse = @"reuse";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:reuse];
if (!cell) {
cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:reuse];
}
Student * stu = self.modelArr[indexPath.row];
cell.textLabel.text = stu.name;
return cell;
}
Student.h文件:
#import<Foundation/Foundation.h>
@interface Student : NSObject
@property(nonatomic, copy)NSString *name;
@property(nonatomic, copy)NSString *age;
@property(nonatomic, copy)NSString *phone;
@property(nonatomic, copy)NSString *address;
@property(nonatomic, copy)NSString *hobby;
@end
Student.m文件:
#import "Student.h"
@implementation Student
//KVC的容錯(cuò)方法
//只要在賦值過(guò)程中,沒(méi)有找到對(duì)應(yīng)的屬性,就會(huì)自動(dòng)調(diào)用這個(gè)方法,這個(gè)方法里如果沒(méi)有其他操作可什么都不寫.
-(void)setValue:(id)value forUndefinedKey:(NSString *)key{
}
@end
