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[操作系统]【代码笔记】城市plist


一,效果图。

二,工程图。

三,代码。

RootViewController.h

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#import <UIKit/UIKit.h>@interface RootViewController : UIViewController<UITableViewDelegate,UITableViewDataSource>{  UITableView * city;  NSDictionary * dic;}@property(nonatomic,strong) NSArray * keyArray;@end
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RootViewController.m

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#import "RootViewController.h"@interface RootViewController ()@end@implementation RootViewController@synthesize keyArray;- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil{  self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];  if (self) {    // Custom initialization  }  return self;}- (void)viewDidLoad{  [super viewDidLoad];  // Do any additional setup after loading the view.    //初始化界面  [self initBackgroundView];  }#pragma -mark -functions-(void)initBackgroundView{  city = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, 320, 460-44) style:UITableViewStylePlain];  city.delegate = self;  city.dataSource = self;  [self.view addSubview:city];    dic = [[NSDictionary alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"citydict" ofType:@"plist"]];  self.keyArray = [dic.allKeys sortedArrayUsingDescriptors:[NSArray arrayWithObjects:[NSSortDescriptor sortDescriptorWithKey:nil ascending:YES], nil]];}#pragma -mark -UITableViewDelegate-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{  return dic.count;}-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{  NSArray * array = [dic objectForKey:[self.keyArray objectAtIndex:section]];  return array.count;}-(NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section{  return [self.keyArray objectAtIndex:section];}-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{  UITableViewCell * cell = [tableView dequeueReusableCellWithIdentifier:@"ID"];  if(cell == nil){    cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:@"ID"];  }  cell.textLabel.text = [[dic objectForKey:[self.keyArray objectAtIndex:indexPath.section]] objectAtIndex:indexPath.row];  return cell;}-(NSArray *)sectionIndexTitlesForTableView:(UITableView *)tableView{  return self.keyArray;}-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{  NSLog(@"---didSelectRowAtIndexPath--");}- (void)didReceiveMemoryWarning{  [super didReceiveMemoryWarning];  // Dispose of any resources that can be recreated.}
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