- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{self.window = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease];// Override point for customization after application launch.self.viewController = [[[ViewController alloc] initWithNibName:@"ViewController" bundle:nil] autorelease];//因为有三个tabBarItem，我把系统默认的viewController放在了第一个，然后再新建两个继承自UIViewController的类AddUserInfo和SearchInfoUINavigationController *viewController = [[UINavigationController alloc]initWithRootViewController:self.viewController];viewController.tabBarItem = [[UITabBarItem alloc]initWithTabBarSystemItem:UITabBarSystemItemContacts tag:101];//将viewController初始化为第一个tabBarItemAddUserInfo *adduserViewController = [[AddUserInfo alloc]init];adduserViewController.title = @"添加用户信息";adduserViewController.tabBarItem = [[UITabBarItem alloc]initWithTabBarSystemItem:UITabBarSystemItemTopRated tag:102];
//将adduserViewController初始化为第二个tabBarItemSearchInfo *searchViewController = [[SearchInfo alloc]init];searchViewController.tabBarItem = [[UITabBarItem alloc]initWithTabBarSystemItem:UITabBarSystemItemSearch tag:103];searchViewController.title = @"搜索信息";//将searchViewController初始化为第三个tabBarItem，现在已经准备了UITabBarController上的三个tabBarItem了，但是每一个tabBarItem都需要放到UINavigationController上来控制视图，在初始化两个UINavigationController，还有一个在上面。UINavigationController *nav1= [[UINavigationController alloc]initWithRootViewController:adduserViewController];UINavigationController *nav2 = [[UINavigationController alloc]initWithRootViewController:searchViewController];NSArray *ViewControllerArray = [[NSArray alloc]initWithObjects:viewController,nav1,nav2, nil];//    将三个UINavigationController添加到一个数组里，tabBarItem已经搞定了，但是主要的UITabBarController我们现在来初始化。UITabBarController *tabBarController = [[UITabBarController alloc]init];
//注意这里的用法，tabBarController.viewControllers是tabBarController的一个数组类型的属性，它存放的是UINavigationControllertabBarController.viewControllers = ViewControllerArray;tabBarController.selectedIndex = 0;//初始显示第一个tabBarItemtabBarController.delegate = self;//别忘了设置代理，在头文件里要加上 <UIApplicationDelegate,UITabBarControllerDelegate>这两个
    self.window.rootViewController = tabBarController;[self.window makeKeyAndVisible];[nav1 release];[nav2 release];[tabBarController release];[ViewControllerArray release];[searchViewController release];[adduserViewController release];[viewController release];return YES;
}

#import <UIKit/UIKit.h>
#import "FMDatabase.h"
#import "FMDatabaseQueue.h"@class dataFromDataBase;
@interface ViewController : UIViewController<UITableViewDelegate,UITableViewDataSource>
{}
@property (nonatomic, retain) NSString * dbPath;
@property (nonatomic, retain) NSMutableArray *nameArray;
@property (nonatomic, retain) NSMutableArray *phoneArray;
@property (nonatomic, retain) NSMutableArray *IDArray;@property (nonatomic, retain) UITableView *table;
- (void)createTable;
@end@interface dataFromDataBase : NSObject {//新建一个类，专门用于保存数据
@privateNSString *nameFromClass;NSString *phoneFromClass;NSString *IDFromClass;NSMutableArray *nameArrayFromClass;
}
+(dataFromDataBase*)shareFromDataBase;//神奇的单例
@property(retain,nonatomic) NSString *nameFromClass;@property(retain,nonatomic)NSString *phoneFromClass;@property(retain,nonatomic)NSString *IDFromClass;
@property(retain,nonatomic)NSMutableArray *nameArrayFromClass;@end

//
//  ViewController.m
//  tabbartest
//
//  Created by changjian on 12-12-8.
//  Copyright (c) 2012年 __MyCompanyName__. All rights reserved.
//

#import "ViewController.h"
#import "AddUserInfo.h"@implementation ViewController
@synthesize dbPath;
@synthesize nameArray,phoneArray,IDArray;
@synthesize table;- (void)didReceiveMemoryWarning
{[super didReceiveMemoryWarning];// Release any cached data, images, etc that aren't in use.
}#pragma mark - View lifecycle- (void)viewDidLoad
{[super viewDidLoad];self.title = @"通讯录";UITableView *tableView = [[UITableView alloc]initWithFrame:CGRectMake(0, 0, 320, 369) style:UITableViewStylePlain];tableView.delegate = self;tableView.dataSource = self;self.table = tableView;[self.view addSubview:tableView];UIBarButtonItem *refreshBtn = [[UIBarButtonItem  alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemRefresh target:self action:@selector(modifyDatabase)];self.navigationItem.rightBarButtonItem = refreshBtn;[refreshBtn release];}#pragma mark -tableview-
- (UITableViewCell*)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
//    NSString *CustomIdentifier =  [NSString stringWithFormat:@"cell%d",indexPath.row];static NSString *CustomIdentifier = @"cell";
//    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CustomIdentifier];UITableViewCell *cell = nil;if (cell == nil) {cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CustomIdentifier];}
//    while ([cell.contentView.subviews lastObject] != nil){[(UIView*)[cell.contentView.subviews lastObject]removeFromSuperview];//当再次刷新的时候会自动添加新的cell，出现叠加情况，用这种方法可以去掉上一次添加的cell.contentView.subviewsif (indexPath.row == 0)//这里注意，因为第一行不显示数据，所以做个判断cell.selectionStyle = UITableViewCellSelectionStyleNone;if (indexPath.row > 0) {//从第二行开始显示数据
//        cell.textLabel.text = [dataArray objectAtIndex:(indexPath.row - 1)];//注意这里是从indexPath.row - 1行开始UILabel *nameLabel = [[UILabel alloc]initWithFrame:CGRectMake(0+40, 10, 70, 30)];UILabel *phoneLabel = [[UILabel alloc]initWithFrame:CGRectMake(90+40, 10, 70, 30)];UILabel *IDLabel = [[UILabel alloc]initWithFrame:CGRectMake(180+40, 10, 70, 30)];nameLabel.text = [self.nameArray objectAtIndex:(indexPath.row-1)];IDLabel.text = [self.IDArray objectAtIndex:(indexPath.row-1)];phoneLabel.text = [self.phoneArray objectAtIndex:(indexPath.row-1)];[cell.contentView addSubview:nameLabel];[cell.contentView addSubview:IDLabel];[cell.contentView addSubview:phoneLabel];[nameLabel release];[IDLabel release];[phoneLabel release];}    else {for (int i = 0; i < 3; i ++) {UILabel *label = [[UILabel alloc]initWithFrame:CGRectMake(90 * i + 40, 10, 70 , 30)];NSArray *array = [NSArray arrayWithObjects:@"姓名",@"电话",@"ID", nil];label.text = [array objectAtIndex:i];label.backgroundColor = [UIColor clearColor];[cell.contentView addSubview:label];[label release];label = nil;}}
//    }return cell;
}- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{return [nameArray count] + 1;//注意这里，因为第一行不显示数据，返回要加一行
}- (NSIndexPath*)tableView:(UITableView *)tableView willSelectRowAtIndexPath:(NSIndexPath *)indexPath
{if (indexPath.row == 0) {return nil;//让第一行不能点击
    }elsereturn indexPath;
}- (void)createTable//创建数据库中表的方法，利用封装好的库很简单
{NSFileManager *fileManager = [NSFileManager defaultManager];if (![fileManager fileExistsAtPath:self.dbPath]) {NSLog(@"表不存在，创建表");FMDatabase *db =[FMDatabase databaseWithPath:self.dbPath];if ([db open]) {NSString *sql = @"CREATE TABLE 'USER'('id' INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, 'name' VARCHAR(20),'phone' VARCHAR(20),'idcode' VARCHAR(30))    ";//sql语句BOOL success = [db executeUpdate:sql];if (!success) {NSLog(@"error when create table ");}else{NSLog(@"create table succeed");}[db close];}else{NSLog(@"database open error");}}
}- (void)getAllDatabase//从数据库中获得所有数据
{FMDatabase *db = [FMDatabase databaseWithPath:self.dbPath];if ([db open]) {NSString *sql = @"SELECT * FROM USER";FMResultSet *rs = [db executeQuery:sql];while ([rs next]) {NSString *name = [rs stringForColumn:@"name"];NSString *phone = [rs stringForColumn:@"phone"];NSString *ID = [rs stringForColumn:@"idcode"];[self.nameArray addObject:name];[self.phoneArray addObject:phone];[self.IDArray addObject:ID];}[[dataFromDataBase shareFromDataBase].nameArrayFromClass arrayByAddingObjectsFromArray:self.nameArray];NSLog(@"self.nameArray==%@",self.nameArray);[db close];[table reloadData];}}- (void)modifyDatabase//选中相应的行，进入更新界面，注意这里没有对数据库进行操作
{NSIndexPath *indexPath = [self.table indexPathForSelectedRow];if (indexPath == nil) {UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"提示" message:@"请选择要更新的项" delegate:selfcancelButtonTitle:@"好" otherButtonTitles:nil];[alert show];[alert release];return;}else{AddUserInfo *modify = [[AddUserInfo alloc]init];        modify.operateType = 1;
//下面的方法是将选中的行的数据存进单例，再传到另一个类里面[dataFromDataBase shareFromDataBase].nameFromClass = [self.nameArray objectAtIndex:(indexPath.row-1)];[dataFromDataBase shareFromDataBase].IDFromClass = [self.IDArray objectAtIndex:(indexPath.row-1)];[dataFromDataBase shareFromDataBase].phoneFromClass = [self.phoneArray objectAtIndex:(indexPath.row-1)];NSLog(@"datafromdatabase.nameFromClass==%@",[dataFromDataBase shareFromDataBase].nameFromClass);[self.navigationController pushViewController:modify animated:YES];//跳转到修改页面
        [modify release];}
}- (void)viewDidUnload
{[super viewDidUnload];// Release any retained subviews of the main view.// e.g. self.myOutlet = nil;
}- (void)dealloc {[nameArray release];[phoneArray release];[IDArray release];[super dealloc];
}- (void)viewWillAppear:(BOOL)animated
{NSString *document = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)objectAtIndex:0];NSString *path = [document stringByAppendingPathComponent:@"USER.sqlite"];self.dbPath = path;
//注意以上三句话是获取数据库路径必不可少的，在viewDidload之前就已经准备好了nameArray = [[NSMutableArray alloc]init];phoneArray = [[NSMutableArray alloc]init];IDArray = [[NSMutableArray alloc]init];[self createTable];[self getAllDatabase];
}- (void)viewDidAppear:(BOOL)animated
{[super viewDidAppear:animated];
}- (void)viewWillDisappear:(BOOL)animated
{[super viewWillDisappear:animated];
}- (void)viewDidDisappear:(BOOL)animated
{[super viewDidDisappear:animated];
}- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{// Return YES for supported orientationsreturn (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown);
}@end@implementation dataFromDataBase//这个类专门用来保存数据
@synthesize nameFromClass,phoneFromClass,IDFromClass;
@synthesize nameArrayFromClass;static dataFromDataBase *sharedInstance = nil;
+(dataFromDataBase*)shareFromDataBase//伟大的单例，
{if (sharedInstance == nil) {sharedInstance = [[dataFromDataBase alloc]init];}return sharedInstance;
}- (id)init {self = [super init];if (self) {nameFromClass = @"";phoneFromClass = @"";IDFromClass = @"";nameArrayFromClass = [[NSMutableArray alloc]initWithCapacity:0];}return self;
}- (void)dealloc {if (nameFromClass!= nil){[nameFromClass release];}if (phoneFromClass!=nil){[phoneFromClass release];}if (IDFromClass != nil){[IDFromClass release];}if (nameArrayFromClass != nil) {[nameArrayFromClass release];}[super dealloc];
}@end

#import <UIKit/UIKit.h>
#import "ViewController.h"@interface AddUserInfo : UIViewController<UITextFieldDelegate,UIAlertViewDelegate>
{int operateType;//保存操作类型，0是添加，1是修改
}
- (void)createTable;
@property (retain,nonatomic)NSMutableArray *textFieldArray;
@property (retain,nonatomic)NSString *dbPath;
@property (retain,nonatomic)UITextField *nameTextField;
@property (retain,nonatomic)UITextField *phoneTextField;
@property (retain,nonatomic)UITextField *IDTextField;
@property (nonatomic,assign)int operateType;
@end

//
//  AddUserInfo.m
//  tabbartest
//
//  Created by changjian on 12-12-8.
//  Copyright (c) 2012年 __MyCompanyName__. All rights reserved.
//

#import "AddUserInfo.h"
#import "FMDatabase.h"
#import "FMDatabaseQueue.h"
#import "UserDetailInfo.h"@implementation AddUserInfo
@synthesize textFieldArray;
@synthesize dbPath;
@synthesize nameTextField;
@synthesize phoneTextField;
@synthesize IDTextField;
@synthesize operateType;- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];if (self) {textFieldArray = [[NSMutableArray alloc]init];}return self;
}- (void)didReceiveMemoryWarning
{// Releases the view if it doesn't have a superview.
    [super didReceiveMemoryWarning];// Release any cached data, images, etc that aren't in use.
}#pragma mark - View lifecycle- (void)viewDidLoad
{[super viewDidLoad];NSString *doc = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];NSString *path = [doc stringByAppendingPathComponent:@"user.sqlite"];NSLog(@"path===%@",path);self.dbPath = path;NSArray *array = [NSArray arrayWithObjects:@"姓名",@"电话",@"ID", nil];for (int i = 0; i < 3 ; i++){UILabel *label = [[UILabel alloc]initWithFrame:CGRectMake( 70,i * 40 + 34, 100, 30)];label.text = [array objectAtIndex:i];[self.view addSubview:label];}nameTextField = [[UITextField alloc]initWithFrame:CGRectMake(150, 38, 100, 30)];nameTextField.borderStyle = UITextBorderStyleRoundedRect;nameTextField.placeholder = @"请输入姓名";nameTextField.delegate = self;[self.view addSubview:nameTextField];phoneTextField = [[UITextField alloc]initWithFrame:CGRectMake(150, 78, 100, 30)];phoneTextField.borderStyle = UITextBorderStyleRoundedRect;phoneTextField.placeholder = @"请输入电话";phoneTextField.delegate = self;[self.view addSubview:phoneTextField];IDTextField = [[UITextField alloc]initWithFrame:CGRectMake(150, 118, 100, 30)];IDTextField.borderStyle = UITextBorderStyleRoundedRect;IDTextField.placeholder = @"请输入ID";IDTextField.delegate = self;[self.view addSubview:IDTextField];if (operateType == 1) {//operateType == 1时为修改
nameTextField.text = [dataFromDataBase shareFromDataBase].nameFromClass;IDTextField.text = [dataFromDataBase shareFromDataBase].IDFromClass;phoneTextField.text = [dataFromDataBase shareFromDataBase].phoneFromClass;IDTextField.enabled = NO;NSLog(@"datafromdatabase.nameFromClass=%@",[dataFromDataBase shareFromDataBase].nameFromClass);}NSLog(@"operateType==%d",operateType);if (operateType == 0){UIBarButtonItem *addBtn = [[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:@selector(addNewUserInfo)];self.navigationItem.rightBarButtonItem = addBtn;}if(operateType == 1){//这里是后来添加的，其实可以放到上面UIBarButtonItem *addBtn = [[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemSave target:self action:@selector(addNewUserInfo)];self.navigationItem.rightBarButtonItem = addBtn;}// Do any additional setup after loading the view from its nib.
}- (void)addNewUserInfo//添加用户信息的方法，用FMDB封装好的方法
{FMDatabase *db = [[FMDatabase alloc]initWithPath:self.dbPath];NSString *mes = nil;if ([db open]) {if (nameTextField.text.length == 0||phoneTextField.text.length == 0||IDTextField.text.length == 0){mes = @"请完成填写信息";}else{NSLog(@"姓名==%@,电话==%@,ID==%@",nameTextField.text,phoneTextField.text,IDTextField.text);NSString *sql= nil;if (operateType == 0){//执行插入操作sql = @"INSERT INTO USER (name,phone,idcode) VALUES (?,?,?) ";}else if(operateType == 1)//执行更新操作
                {sql = @"UPDATE USER  SET name = ? , phone = ? where idcode = ?";NSLog(@"有没有执行？");}BOOL res = [db executeUpdate:sql,nameTextField.text,phoneTextField.text,IDTextField.text];if (!res) {NSLog(@"error to insert data");mes = @"数据插入错误";}else{NSLog(@"insert succeed");mes = @"数据插入成功";}}}else{NSLog(@"数据库打开失败") ;}UIAlertView *alert = [[UIAlertView alloc]initWithTitle:@"提示" message:mes delegate:nil cancelButtonTitle:@"确定" otherButtonTitles:nil, nil];[alert setTag:101];alert.delegate = self;[alert show];[alert release];[db close];
}- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
{if (alertView.tag == 101 && buttonIndex == 0) {if (operateType == 0)//如果是添加就留在该页，如果是修改就跳回上一页
        {[nameTextField resignFirstResponder];[phoneTextField resignFirstResponder];[IDTextField resignFirstResponder];nameTextField.text = @"";phoneTextField.text = @"";IDTextField.text = @"";}else{[self.navigationController popViewControllerAnimated:YES];}}
}- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{[nameTextField resignFirstResponder];[phoneTextField resignFirstResponder];[IDTextField resignFirstResponder];
}//让键盘隐藏- (void)viewWillAppear:(BOOL)animated
{[super viewWillAppear:YES];
}- (void)viewDidUnload
{[super viewDidUnload];// Release any retained subviews of the main view.// e.g. self.myOutlet = nil;
}- (void)dealloc {[nameTextField release];[phoneTextField release];[IDTextField release];[textFieldArray release];[super dealloc];
}-(void)viewWillDisappear:(BOOL)animated//页面将要消失的时候执行，将UITextField清空
{[super viewWillDisappear:YES];nameTextField.text = nil;phoneTextField.text = nil;IDTextField.text = nil;
}- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{// Return YES for supported orientationsreturn (interfaceOrientation == UIInterfaceOrientationPortrait);
}@end

//
//  SearchInfo.h
//  tabbartest
//
//  Created by changjian on 12-12-8.
//  Copyright (c) 2012年 __MyCompanyName__. All rights reserved.
//

#import <UIKit/UIKit.h>@interface SearchInfo : UITableViewController<UISearchDisplayDelegate,UITableViewDelegate,UITableViewDataSource,UISearchBarDelegate>
{UISearchDisplayController *searchController;NSString *namestr;NSString *phonestr;NSString *IDstr;
}
@property (retain,nonatomic)NSString *dbpath;
@property (retain,nonatomic)NSMutableArray *searchResults;//用于保存搜索出姓名的结果
@property (retain,nonatomic)NSMutableArray *searchPhoneResults;//用来保存搜索的电话信息
@property (retain,nonatomic)NSMutableArray *searchIDResult;//用来保存搜索的ID信息
@property (retain,nonatomic)NSMutableArray *nameArray;//保存搜索之前的姓名信息
@property (retain,nonatomic)NSMutableArray *phoneArray;//保存搜索之前的电话信息
@property (retain,nonatomic)NSMutableArray *IDArray;//保存搜索之前的ID信息
@property (nonatomic,assign)BOOL searchWasActive;
@property (nonatomic,assign)NSString *savedSearchTerm;//这个好像没用了
@property (nonatomic,retain)NSString *namestr;
@property (nonatomic,retain)NSString*phonestr;
@property (nonatomic,retain)NSString*IDstr;- (void)getAllDatabase;
@end

//
//  SearchInfo.m
//  tabbartest
//
//  Created by changjian on 12-12-8.
//  Copyright (c) 2012年 __MyCompanyName__. All rights reserved.
//

#import "SearchInfo.h"
#import "FMDatabase.h"
#import "ViewController.h"
#import "UserDetailInfo.h"@implementation SearchInfo
@synthesize dbpath;
@synthesize searchResults,searchPhoneResults,searchIDResult;
@synthesize nameArray,phoneArray,IDArray;
@synthesize searchWasActive;
@synthesize savedSearchTerm;
@synthesize namestr,phonestr,IDstr;- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];if (self) {// Custom initialization
    }return self;
}- (void)didReceiveMemoryWarning
{// Releases the view if it doesn't have a superview.
    [super didReceiveMemoryWarning];// Release any cached data, images, etc that aren't in use.
}#pragma mark - View lifecycle- (void)viewDidLoad
{[super viewDidLoad];
//搜索比较复杂，既要初始化UISearchBar，又要初始化UISearchDisplayController，然后还要写UITableViewDelegate里的-(UITableViewCell*)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath和-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section方法，还要设置一大堆代理，慢慢往下看UISearchBar *search = [[[UISearchBar alloc]initWithFrame:CGRectMake(0, 0, self.view.bounds.size.width -50, 44)]autorelease];search.placeholder = @"请输入姓名";search.autocorrectionType = UITextAutocorrectionTypeNo;//不自动纠错，貌似没啥用search.autocapitalizationType = UITextAutocapitalizationTypeAllCharacters;//所有字母大写 ，也没啥用
    search.showsScopeBar = YES;search.delegate = self;//UISearchBar设置代理search.keyboardType = UIKeyboardTypeNamePhonePad;self.tableView.tableHeaderView = search;self.tableView.dataSource = self;searchController = [[UISearchDisplayController alloc]initWithSearchBar:search contentsController:self];searchController.active = NO;searchController.delegate = self;//UISearchDisplayController设置代理
    searchController.searchResultsDelegate=self;//还是代理
    searchController.searchResultsDataSource = self;//有完没完
    [search release];NSString *document = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)objectAtIndex:0];NSString *path = [document stringByAppendingPathComponent:@"user.sqlite"];NSLog(@"path==%@",path);self.dbpath = path;self.tableView.delegate = self;//tableView的代理，为什么这么写，因为这个类是继承UITableView的，要注意！不是继承UIViewController的！self.tableView.dataSource = self;nameArray = [[NSMutableArray alloc]initWithCapacity:0];phoneArray = [[NSMutableArray alloc]initWithCapacity:0];IDArray= [[NSMutableArray alloc]initWithCapacity:0];[self getAllDatabase];[self.tableView reloadData];// Do any additional setup after loading the view from its nib.
}- (void)viewWillAppear:(BOOL)animated
{self.searchWasActive = [self.searchDisplayController isActive];if (self.searchDisplayController.searchBar != 0){self.searchDisplayController.searchBar.text = nil;[self.searchDisplayController.searchBar resignFirstResponder];[self.searchDisplayController setActive:NO];//在进入搜索页面之前将其设置为不活动，大家可以试试改成活动看看是什么样
    }
}- (void)getAllDatabase//要重新获取数据库信息，因为执行完删除之后数据库变了
{FMDatabase *db = [FMDatabase databaseWithPath:self.dbpath];if ([db open]) {NSString *sql = @"SELECT * FROM USER";FMResultSet *rs = [db executeQuery:sql];while ([rs next]) {NSString *name = [rs stringForColumn:@"name"];NSString *phone = [rs stringForColumn:@"phone"];NSString *ID = [rs stringForColumn:@"idcode"];[self.nameArray addObject:name];[self.phoneArray addObject:phone];[self.IDArray addObject:ID];}self.searchResults = [[NSMutableArray alloc]initWithArray:nameArray copyItems:YES];self.searchPhoneResults = [[NSMutableArray alloc]initWithArray:phoneArray copyItems:YES];self.searchIDResult = [[NSMutableArray alloc]initWithArray:IDArray copyItems:YES];NSLog(@"search from nameArray==%@",self.nameArray);[db close];}
}#pragma mark -tableview--(UITableViewCell*)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
//    self.tableView = tableView;static NSString *cellIdentifier = @"cell";UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier];if (cell == nil) {cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellIdentifier];}cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;if ([tableView isEqual:self.searchDisplayController.searchResultsTableView]) {cell.textLabel.text = [searchResults objectAtIndex:indexPath.row];
//        cell.detailTextLabel.text = [NSString stringWithFormat:@"电话：%@",[searchResults objectAtIndex:indexPath.row]];//不知道为什么不显示cell.detailTextLabel.text ，有人知道的话告诉我一下}else{cell.textLabel.text = [self.nameArray objectAtIndex:indexPath.row];}return cell;
}-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{NSInteger row = 0;if ([tableView isEqual:self.searchDisplayController.searchResultsTableView]) {//记住这个格式，如果当前的table就是用于显示所搜信息的table的话。因为UISearchDisplayController这货自带一个tablerow = [self.searchResults count];}else{[self.nameArray count];}return row;
}- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{UserDetailInfo *detailInfo = [[UserDetailInfo alloc]init];detailInfo.nameStr = [self.searchResults objectAtIndex:indexPath.row];detailInfo.phoneStr = [self.searchPhoneResults objectAtIndex:indexPath.row];detailInfo.IDsStr = [self.searchIDResult objectAtIndex:indexPath.row];NSLog(@"self.namestr==%@",self.namestr);NSArray *array = [self.navigationController viewControllers];//先获取视图控制器数组UINavigationController *nav = [array objectAtIndex:[array count] - 1];//获取当前的导航试图控制器[nav.navigationController pushViewController:detailInfo animated:YES];//跳转到删除页面
    [detailInfo release];
}#pragma mark -UISearchControllerDisplay-//设置搜索范围
//下面注意了，下面的方法是实现搜索功能的，后面两个长得很像的方法是UISearchControllerDisplay代理里的方法，我也搞不懂是干什么用的，他们的格式很固定，大家记住就行了。- (void)filterContentForSearchText:(NSString*)searchText scope:(NSString*)scope
{[self searchBarSearchButtonClicked:self.searchDisplayController.searchBar];}- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar//从数据库搜索
{FMDatabase *db = [FMDatabase databaseWithPath:self.dbpath];if ([db open]) {[searchResults removeAllObjects];[searchPhoneResults removeAllObjects];[searchIDResult removeAllObjects];NSString *sql = @"SELECT * FROM USER WHERE name like ?";FMResultSet *rs = [db executeQuery:sql,searchBar.text];while ([rs next]) {self.namestr = [rs stringForColumn:@"name"];self.phonestr = [rs stringForColumn:@"phone"];self.IDstr = [rs stringForColumn:@"idcode"];[self.searchResults addObject:namestr];[self.searchPhoneResults addObject:phonestr];[self.searchIDResult addObject:IDstr];}NSLog(@"searchResults == %@",searchResults);NSLog(@"searchPhoneResults==%@",searchPhoneResults);NSLog(@"searchIDResult==%@",searchIDResult);NSLog(@"search===%@",searchBar.text);}[db close];}#pragma mark -
#pragma mark UISearchDisplayController Delegate Methods设置代理方法- (BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchString:(NSString *)searchString
{[self filterContentForSearchText:searchString scope:[[self.searchDisplayController.searchBar scopeButtonTitles] objectAtIndex:[self.searchDisplayController.searchBar selectedScopeButtonIndex]]];// Return YES to cause the search result table view to be reloaded.return YES;
}- (BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchScope:(NSInteger)searchOption
{[self filterContentForSearchText:[self.searchDisplayController.searchBar text] scope:[[self.searchDisplayController.searchBar scopeButtonTitles] objectAtIndex:searchOption]];// Return YES to cause the search result table view to be reloaded.return YES;
}- (void)viewDidUnload
{[super viewDidUnload];// Release any retained subviews of the main view.// e.g. self.myOutlet = nil;
}- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{// Return YES for supported orientationsreturn (interfaceOrientation == UIInterfaceOrientationPortrait);
}
- (void)dealloc {[nameArray release];[phoneArray release];[IDArray release];[searchController release];[searchResults release];[searchPhoneResults release];[searchIDResult release];[super dealloc];
}@end

@interface UserDetailInfo : UIViewController<UIAlertViewDelegate>
{}@property(retain,nonatomic)NSString *dbpath;
@property(retain,nonatomic)NSString *nameStr;
@property(retain,nonatomic)NSString *phoneStr;
@property(retain,nonatomic)NSString *IDsStr;@end

//
//  UserDetailInfo.m
//  tabbartest
//
//  Created by changjian on 12-12-10.
//  Copyright (c) 2012年 __MyCompanyName__. All rights reserved.
//

#import "UserDetailInfo.h"
#import "FMDatabase.h"@implementation UserDetailInfo
@synthesize dbpath;
@synthesize nameStr,phoneStr,IDsStr;- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];if (self) {// Custom initialization
    }return self;
}- (void)didReceiveMemoryWarning
{// Releases the view if it doesn't have a superview.
    [super didReceiveMemoryWarning];// Release any cached data, images, etc that aren't in use.
}#pragma mark - View lifecycle- (void)viewDidLoad
{[super viewDidLoad];self.title = @"详细信息";NSArray *array = [NSArray arrayWithObjects:@"姓名:",@"电话:",@"ID:", nil];NSArray *array2 = [NSArray arrayWithObjects:self.nameStr,self.phoneStr,self.IDsStr, nil];for (int i = 0; i < 3 ; i++){UILabel *label = [[UILabel alloc]initWithFrame:CGRectMake( 70,i * 40 + 34, 100, 30)];label.text = [array objectAtIndex:i];[self.view addSubview:label];UILabel *label2 = [[UILabel alloc]initWithFrame:CGRectMake(140, i * 40 +35, 100, 30)];label2.text = [array2 objectAtIndex:i];[self.view addSubview:label2];[label release];[label2 release];}NSString *document = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)objectAtIndex:0];NSString *path = [document stringByAppendingPathComponent:@"USER.sqlite"];self.dbpath = path;UIBarButtonItem *deleteButton = [[UIBarButtonItem alloc]initWithTitle:@"删除" style:UIBarButtonItemStyleDone target:self action:@selector(deleteFromDatabase)];self.navigationItem.rightBarButtonItem = deleteButton;}- (void)deleteFromDatabase//从数据库删除信息
{FMDatabase *db = [FMDatabase databaseWithPath:self.dbpath];NSString *mes = nil;if ([db open]) {NSString *sql = @"DELETE FROM USER WHERE name = ? and phone = ? and idcode = ?";if (self.nameStr.length != 0&&self.phoneStr.length != 0&&self.IDsStr.length !=0){BOOL rs = [db executeUpdate:sql,self.nameStr,self.phoneStr,self.IDsStr]; //后面跟的三个参数就是sql语句里的三个问号对应if (rs) {mes = @"删除成功";}else{mes = @"删除失败";}}}UIAlertView *alert = [[UIAlertView alloc]initWithTitle:@"提示" message:mes delegate:nil cancelButtonTitle:@"确定" otherButtonTitles:nil, nil];alert.delegate = self;//别忘了代理
    [alert show];[alert release];[db close];
}- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
{if ( buttonIndex == 0) {[self.navigationController popViewControllerAnimated:YES];NSLog(@"点击了删除成功");}
}- (void)viewWillDisappear:(BOOL)animated
{[super viewWillDisappear:YES];}- (void)viewDidUnload
{[super viewDidUnload];// Release any retained subviews of the main view.// e.g. self.myOutlet = nil;
}- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{// Return YES for supported orientationsreturn (interfaceOrientation == UIInterfaceOrientationPortrait);
}@end