xml文件解析(解析以后在RootTableViewController输出)
这是从美团弄得xml文件，地区和经纬度。
你点了地区以后 ， 就可以查看经纬度 ，因为笔者懒， 有现成的文本框 ， 所有偷懒了。
下面是一些枯燥的代码了 。
#import <UIKit/UIKit.h> #import "RootTableViewController.h" @interface AppDelegate : UIResponder @property (strong, nonatomic) UIWindow *window; @end
#import "AppDelegate.h"
@interface AppDelegate ()
@end
@implementation AppDelegate
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
self.window.rootViewController=[[UINavigationController alloc] initWithRootViewController:[[RootTableViewController alloc] initWithStyle:UITableViewStyleGrouped]];
return YES;
}
#import <UIKit/UIKit.h> #import "SecondViewController.h" @interface RootTableViewController : UITableViewController<NSXMLParserDelegate> @property(strong,nonatomic)NSMutableArray *arr; @property(strong,nonatomic)NSMutableDictionary *dic1; @property(strong,nonatomic)NSString *str; @property(strong,nonatomic)NSMutableArray *arrname; @end
#import "RootTableViewController.h"
@interface RootTableViewController ()
@end
@implementation RootTableViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.title=@"城市列表";
self.arrname=[NSMutableArray array];
NSURL *url=[NSURL URLWithString:@"http://www.meituan.com/api/v1/divisions?mtt=1.help%2Fapi.0.0.im7coqq1"];
NSData *data=[NSData dataWithContentsOfURL:url];
NSXMLParser *parser=[[NSXMLParser alloc]initWithData:data];
parser.delegate=self;
BOOL bol=[parser parse];
NSLog(@"%d",bol);
[self.tableView registerClass:[UITableViewCell class] forCellReuseIdentifier:@"reuseIdentifier"];
}
/**
* 文档开始解析
*
* @param parser parser
*/
- (void)parserDidStartDocument:(NSXMLParser *)parser
{
self.arr=[NSMutableArray array];
}
/**
* 解析完毕
*
* @param parser parser
*/
- (void)parserDidEndDocument:(NSXMLParser *)parser
{
NSLog(@"%@",self.arr);
}
/**
* 文档元素 解析开始
*
* @param parser 解析的对象
* @param elementName 元素的名称
* @param namespaceURI 命名空间
* @param qName
* @param attributeDict 属性的字典
*/
-(void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(nullable NSString *)namespaceURI qualifiedName:(nullable NSString *)qName attributes:(NSDictionary<NSString *, NSString *> *)attributeDict
{
if ([elementName isEqualToString:@"division"]) {
self.dic1=[NSMutableDictionary dictionary];
[self.dic1 setDictionary:attributeDict];
}
}
/**
* 文档中元素 解析结束
*
* @param parser 解析的对象
* @param elementName 元素的名称
* @param namespaceURI 命名空间
* @param qName 属性的字典
*/
- (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(nullable NSString *)namespaceURI qualifiedName:(nullable NSString *)qName
{
if ([elementName isEqualToString:@"name"]||[elementName isEqualToString:@"latitude"]||[elementName isEqualToString:@"longitude"]) {
[self.dic1 setObject:self.str forKey:elementName];
}
else if ([elementName isEqualToString:@"division"])
{
[self.arr addObject:self.dic1];
}
}
/**
* 解析文件元素的内容
*
* @param parser 解析对象
* @param string 显示的文本内容
*/
- (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string
{
self.str=string;
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
#pragma mark - Table view data source
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return self.arr.count;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"reuseIdentifier" forIndexPath:indexPath];
for (NSDictionary *dic in self.arr) {
[self.arrname addObject:dic[@"name"]];
}
cell.textLabel.text=self.arrname[indexPath.row];
return cell;
}
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
NSLog(@"%@",self.arr[indexPath.row]);
SecondViewController *secondvc=[[SecondViewController alloc] init];
secondvc.strweidu=self.arr[indexPath.row][@"latitude"];
secondvc.strjindu=self.arr[indexPath.row][@"longitude"];
[self presentViewController:secondvc animated:YES completion:nil];
}
@end
#import "ViewController.h" #import "RootTableViewController.h" @interface SecondViewController : ViewController @property(strong,nonatomic)UILabel *lblname; @property(strong,nonatomic)UILabel *lblpwd; @property(strong,nonatomic)UITextField *name; @property(strong,nonatomic)UITextField *pwd; @property(strong,nonatomic)UIButton *buton; @property(strong,nonatomic)NSString *strweidu; @property(strong,nonatomic)NSString *strjindu; @end
#import "SecondViewController.h"
@interface SecondViewController ()
@end
@implementation SecondViewController
- (void)viewDidLoad {
[super viewDidLoad];
UIImageView *image=[[UIImageView alloc]initWithFrame:self.view.frame ];
[image setImage:[UIImage imageNamed:@"15EADA084F41FF349CED23058FD34D0E"]];
[self.view addSubview:image];
self.lblname=[[UILabel alloc]initWithFrame:CGRectMake(50, 200, 100, 50)];
self.lblname.text=@"精度";
[self.view addSubview:self.lblname];
self.lblpwd=[[UILabel alloc]initWithFrame:CGRectMake(50, 330, 100, 50)];
self.lblpwd.text=@"维度";
[self.view addSubview:self.lblpwd];
self.name=[[UITextField alloc] initWithFrame:CGRectMake(150, 200, 200, 50)];
[self.view addSubview:self.name];
self.name.text =self.strweidu;
self.name.borderStyle=UITextBorderStyleRoundedRect;
self.pwd=[[UITextField alloc] initWithFrame:CGRectMake(150, 330, 200, 50)];
[self.view addSubview:self.pwd];
self.pwd.text=self.strjindu;
self.pwd.borderStyle=UITextBorderStyleRoundedRect;
self.buton=[[UIButton alloc] initWithFrame:CGRectMake(120, 400, 174, 66)];
self.buton.backgroundColor=[UIColor colorWithRed:0.532 green:1.000 blue:0.161 alpha:1.000];
self.buton.layer.cornerRadius=10;
[self.buton setTitle:@"确认" forState:0];
[self.buton setTitleColor:[UIColor whiteColor] forState:0];
[self.buton addTarget:self action:@selector(next) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:self.buton];
}
-(void)next
{
RootTableViewController *root=[[RootTableViewController alloc]init];
[self presentViewController:root animated:YES completion:nil];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
/*
#pragma mark - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
// Get the new view controller using [segue destinationViewController].
// Pass the selected object to the new view controller.
}
*/
@end