1、根據plist文件生成tableView的靜態單元格并保存開關狀態的效果圖
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2、plist文件示意圖
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3、plist文件存儲的實現步驟
3.1手動創建plist文件
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*** 說明：plist文件（屬性列表）是一種XML格式的文件，拓展名為plist；如果對象是NSString、NSDictionary、NSArray、NSData、NSNumber等類型，就可以使用writeToFile:atomically:方法直接將對象寫到屬性列表文件中***
3.2給plist文件添加內容作為tableView的數據源數組
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3.3從plist文件中讀取數據的核心代碼
-(NSArray *)groups{
if (_groups ==nil) {
// 1.獲取文件路徑
NSString *filePath = [[NSBundle mainBundle] pathForResource:self.plistName ofType:@"plist"];
_groups = [NSArray arrayWithContentsOfFile:filePath];
}
return _groups;
}
選中單元格cell跳轉到下一個控制器
// 選中cell
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
NSDictionary *group = self.groups[indexPath.section];
NSArray *items = group[@"items"];
// 獲取每行cell的信息
NSDictionary *item = items[indexPath.row];
NSString *vcString = item[@"targetVC"];
if (vcString && vcString.length >0 ) {
// 根據字符串創建和字符串名字相同的類
Class cla = NSClassFromString(vcString);
UIViewController *targetVC = [[cla alloc]init];
if ([targetVC isKindOfClass:[CLSettingViewController class]]) {
CLSettingViewController *settingVC = (CLSettingViewController * ) targetVC;
settingVC.plistName = item[@"plistName"];
}
// 設置控制器的標題
targetVC.title = item[@"title"];
[self.navigationController pushViewController:targetVC animated:YES];
}
}
3.4使用偏好設置NSUserDefaults保存開關的狀態
// 重寫setter方法
- (void)setItem:(NSDictionary *)item{
_item = item ;
// 設置cell的title
self.textLabel.text = item[@"title"];
//設置cell的圖片
self.imageView.image = [UIImage imageNamed:item[@"icon"]];
NSString * imageView = item[@"accessoryView"];//@"UIImageView"
//根據字符串轉化類
Class cla = NSClassFromString(imageView);// UIImageView 類
//根據類創建類的對象
id obj = [[cla alloc] init];//創建類的對象
if([obj isKindOfClass:[UIImageView class]])
{
UIImageView * imageView = (UIImageView *)obj;
imageView.image = [UIImage imageNamed:@"arrow_right"];
//圖片框和圖片大小一樣
[imageView sizeToFit];
}else if ([obj isKindOfClass:[UISwitch class] ]){
UISwitch *mySwitch = (UISwitch *)obj;
// 從偏好設置獲取值
NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];
mySwitch.on = [userDefaults boolForKey:self.item[@"switchKey"]];
// 給開關添加事件
[mySwitch addTarget:self action:@selector(valueChanged:) forControlEvents:UIControlEventValueChanged];
}
//添加輔助view
self.accessoryView = obj;
}
// 開關的點擊事件
-(void)valueChanged:(UISwitch *)sender{
//存儲到偏好設置
NSUserDefaults * userDefaults = [NSUserDefaults standardUserDefaults];
//設置值
[userDefaults setBool:sender.isOn forKey:self.item[@"switchKey"]];
[userDefaults synchronize];
}
3.5代碼創建plist文件
#import "CLContact.h"
@implementation CLContact
// 編碼 使用kvc進行編碼
- (void)encodeWithCoder:(NSCoder *)aCoder{
[aCoder encodeObject:self.name forKey:@"name"];
[aCoder encodeObject:self.phone forKey:@"phone"];
}
// 解碼 從字符串獲取對象
- ( instancetype)initWithCoder:(NSCoder *)aDecoder{
if (self == [super init]) {
self.name = [aDecoder decodeObjectForKey:@"name" ];
self.phone = [aDecoder decodeObjectForKey:@"phone"];
}
return self;
}
@end
// ViewController.m
// 代碼創建plist存儲數據
//
// Created by JackChen on 2016/11/7.
// Copyright ? 2016年 chenlin. All rights reserved.
//
#import "ViewController.h"
#import "CLContact.h"
@interface ViewController ()
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
[self test];
// 沙盒document文件路徑
NSString *docPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask, YES) lastObject];
// document中存儲的plist文件的全路徑
NSString *filePath = [docPath stringByAppendingPathComponent:@"contact.plist"];
CLContact *contact = [NSKeyedUnarchiver unarchiveObjectWithFile:filePath];
NSLog(@"%@----%@",contact.name,contact.phone);
}
-(void)test{
CLContact *contact = [[CLContact alloc] init];
contact.name = @"liudehua";
contact.phone = @"1234";
NSString *docDir= [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject];
NSString *filePath = [docDir stringByAppendingPathComponent:@"contact.plist"];
[NSKeyedArchiver archiveRootObject:contact toFile:filePath];
NSLog(@"%@",filePath);
}
@end
3.6代碼運行效果
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*** command + shift + G打開finder前往文件夾 輸入文件路徑 打開plist文件 ***
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