iOS tableView实现搜索功能 - 快网idc优惠网

本文实例为大家分享了tableView搜索功能的具体代码，供大家参考，具体内容如下

框架：https://github.com/honeycao/HCSortAndSearchDemo

github里面有详细的说明

支持中文排序

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#import "ChineseToPinyin.h"

#import "HCSortString.h"

#import "WLCCityTVC.h"

#import "WLCProvinceModel.h"

#import "ZYPinYinSearch.h"

#define reusedID @"cityCell"

@interface WLCCityTVC () <UITableViewDelegate, UITableViewDataSource, UISearchResultsUpdating>

/**

* 存放城市字典的数组,后来也存放排序后的

*/

@property (nonatomic, strong) NSMutableArray* cityArrM;

@property (nonatomic, strong) WLCUser* user;

/**

* 存放首字母的数组

*/

@property (nonatomic, strong) NSMutableArray* letterArrM;

@property (nonatomic, strong) NSMutableArray* wordArr;

/**

* 存放城市模型的数组

*/

@property (nonatomic, strong) NSMutableArray* modelArrM;

@property (strong, nonatomic) NSMutableArray* searchDataSource; /**<搜索结果数据源*/

@property (strong, nonatomic) UISearchController* searchController;

@end

@implementation WLCCityTVC

- (void)viewDidLoad

{

[super viewDidLoad];

[self setupUI];

}

#pragma mark - navitionBarBackBarItem返回事件

- (BOOL)navigationShouldPopOnBackButton

{

self.searchController.active = NO;

return YES;

}

- (void)didReceiveMemoryWarning

{

[super didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}

- (WLCUser*)user

{

if (nil == _user) {

_user = [NSKeyedUnarchiver unarchiveObjectWithFile:fileUser];

}

return _user;

}

- (NSMutableArray*)cityArrM

{

if (nil == _cityArrM) {

_cityArrM = [NSMutableArray array];

}

return _cityArrM;

}

- (NSMutableArray*)wordArr

{

if (nil == _wordArr) {

_wordArr = [NSMutableArray array];

}

return _wordArr;

}

- (NSMutableArray*)letterArrM

{

if (nil == _letterArrM) {

_letterArrM = [NSMutableArray array];

}

return _letterArrM;

}

- (UISearchController*)searchController

{

if (!_searchController) {

_searchController = [[UISearchController alloc] initWithSearchResultsController:nil];

_searchController.searchResultsUpdater = self;

_searchController.dimsBackgroundDuringPresentation = NO;

_searchController.hidesNavigationBarDuringPresentation = NO;

_searchController.searchBar.placeholder = @"搜索";

_searchController.searchBar.tintColor = [UIColor whiteColor];

[_searchController.searchBar sizeToFit];

}

return _searchController;

}

- (NSMutableArray*)modelArrM

{

if (nil == _modelArrM) {

_modelArrM = [NSMutableArray array];

for (NSArray* tempArr in self.cityArrM) {

for (NSDictionary* dict in tempArr) {

[WLCProvinceModel setupReplacedKeyFromPropertyName:^NSDictionary* {

return @{

@"pID" : @"id"

};

}];

WLCProvinceModel* model = [WLCProvinceModel objectWithKeyValues:dict];

[_modelArrM addObject:model];

}

return _modelArrM;

}

- (NSMutableArray*)searchDataSource

{

if (nil == _searchDataSource) {

_searchDataSource = [NSMutableArray array];

}

return _searchDataSource;

}

- (void)setupUI

{

self.tableView.backgroundColor = [UIColor rgb:234 andGreen:234 andBlue:243];

[self getAllCities];

self.tableView.delegate = self;

self.tableView.dataSource = self;

self.tableView.tableFooterView = [[UIView alloc] init];

}

- (void)getAllCities

{

NSString* url = [kURL stringByAppendingString:@"promary/"];

url = [url stringByAppendingString:self.cityID];

url = [url stringByAppendingString:@"/city"];

[SVProgressHUD showWithStatus:@"获取城市中"];

[NetRequestTool requestWithParamsDict:nil image:nil name:nil token:self.user.token value:nil hearerField:nil URL:url type:GET successBlock:^(AFHTTPRequestOperation* _Nonnull operation, id _Nonnull responseObject) {

NSString* errNum = [NSString stringWithFormat:@"%@", responseObject[@"errNum"]];

if ([errNum isEqualToString:@"1"]) {

[SVProgressHUD setMinimumDismissTimeInterval:2.5];

[SVProgressHUD showInfoWithStatus:[NSString stringWithFormat:@"%@", responseObject[@"retMsg"]]];

[self.navigationController popViewControllerAnimated:YES];

}

else {

[SVProgressHUD dismiss];

@try {

self.cityArrM = responseObject[@"retData"];

NSMutableArray* cityArrM = [NSMutableArray array];

for (NSMutableDictionary* cityDic in self.cityArrM) {

[cityArrM addObject:[cityDic objectForKey:@"name"]];

NSMutableDictionary* dictM = [NSMutableDictionary dictionaryWithDictionary:cityDic];

[self prepareCityListDatasourceWithArray:cityArrM andToDictionary:dictM];

}

self.cityArrM = [self sortArray:self.wordArr];

} @catch (NSException* exception) {

} @finally {

[self.tableView setTableHeaderView:self.searchController.searchBar];

[self.tableView reloadData];

}

anderrorBlock:^(AFHTTPRequestOperation* _Nonnull operation, NSError* _Nonnull error) {

WLog(@"error == %@", error);

[SVProgressHUD showErrorWithStatus:@"获取省份失败,请稍后重试"];

[self.navigationController popViewControllerAnimated:YES];

}];

}

#pragma mark -排序城市

- (void)prepareCityListDatasourceWithArray:(NSArray*)array andToDictionary:(NSMutableDictionary*)dic

{

for (NSString* city in array) {

NSString* cityPinyin = [ChineseToPinyin pinyinFromChiniseString:city];

if ([city isEqualToString:@"重庆"]) {

cityPinyin = @"CHONGQING";

}

NSString* firstLetter = [cityPinyin substringWithRange:NSMakeRange(0, 1)];

if (![dic objectForKey:firstLetter]) {

// NSMutableArray* arr = [NSMutableArray array];

// [dic setValue:firstLetter forKey:@"letter"];

dic[@"letter"] = firstLetter;

}

if ([[dic objectForKey:firstLetter] containsObject:city]) {

return;

}

[self.wordArr addObject:dic];

// [self.wordArr addObjectsFromArray:[[dic allValues] sortedArrayUsingSelector:@selector(compare:)]];

}

/**

* 排序并按首字母分组

*

* @param arrayToSort <#arrayToSort description#>

*

* @return <#return value description#>

*/

- (NSMutableArray*)sortArray:(NSMutableArray*)arrayToSort

{

NSMutableArray* arrayForArrays = [[NSMutableArray alloc] init];

//根据拼音对数组排序

NSArray* sortDescriptors = [NSArray arrayWithObject:[NSSortDescriptor sortDescriptorWithKey:@"letter" ascending:YES]];

//排序

[arrayToSort sortUsingDescriptors:sortDescriptors];

NSMutableArray* tempArray = nil;

BOOL flag = NO;

//分组

for (int i = 0; i < arrayToSort.count; i++) {

NSString* pinyin = [arrayToSort[i] objectForKey:@"letter"];

NSString* firstChar = [pinyin substringToIndex:1];

// NSLog(@"%@",firstChar);

if (![self.letterArrM containsObject:[firstChar uppercaseString]]) {

[self.letterArrM addObject:[firstChar uppercaseString]];

tempArray = [[NSMutableArray alloc] init];

flag = NO;

}

if ([self.letterArrM containsObject:[firstChar uppercaseString]]) {

[tempArray addObject:arrayToSort[i]];

if (flag == NO) {

[arrayForArrays addObject:tempArray];

flag = YES;

}

return arrayForArrays;

}

//让cell下划线左对齐

- (void)tableView:(UITableView*)tableView willDisplayCell:(UITableViewCell*)cell forRowAtIndexPath:(NSIndexPath*)indexPath

{

if ([cell respondsToSelector:@selector(setSeparatorInset:)]) {

[cell setSeparatorInset:UIEdgeInsetsMake(0, 0, 0, 0)];

}

if ([cell respondsToSelector:@selector(setPreservesSuperviewLayoutMargins:)]) {

[cell setPreservesSuperviewLayoutMargins:NO];

}

if ([cell respondsToSelector:@selector(setLayoutMargins:)]) {

[cell setLayoutMargins:UIEdgeInsetsZero];

}

#pragma mark - tableView's delegate and datasource

- (NSInteger)numberOfSectionsInTableView:(UITableView*)tableView

{

if (!self.searchController.active) {

return self.letterArrM.count;

}

else {

return 1;

}

- (NSInteger)tableView:(UITableView*)tableView numberOfRowsInSection:(NSInteger)section

{

if (!self.searchController.active) {

return [self.cityArrM[section] count];

}

else {

return self.searchDataSource.count;

}

- (UITableViewCell*)tableView:(UITableView*)tableView cellForRowAtIndexPath:(NSIndexPath*)indexPath

{

UITableViewCell* cell = [tableView dequeueReusableCellWithIdentifier:reusedID];

if (!cell) {

cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:reusedID];

}

@try {

if (!self.searchController.active) {

NSDictionary* dict = self.cityArrM[indexPath.section][indexPath.row];

cell.textLabel.text = [NSString stringWithFormat:@"%@", dict[@"name"]];

}

else {

// NSDictionary* dict = self.searchDataSource[indexPath.row];

WLCProvinceModel* model = self.searchDataSource[indexPath.row];

cell.textLabel.text = [NSString stringWithFormat:@"%@", model.name];

}

} @catch (NSException* exception) {

} @finally {

}

return cell;

}

- (NSString*)tableView:(UITableView*)tableView titleForHeaderInSection:(NSInteger)section

{

if (!self.searchController.active) {

return [self.letterArrM objectAtIndex:section];

}

else

return nil;

}

- (NSArray*)sectionIndexTitlesForTableView:(UITableView*)tableView

{

if (!self.searchController.active) {

return self.letterArrM;

}

else

return nil;

}

- (void)tableView:(UITableView*)tableView didSelectRowAtIndexPath:(NSIndexPath*)indexPath

{

NSDictionary* dict;

@try {

if (!self.searchController.active) {

dict = self.cityArrM[indexPath.section][indexPath.row];

}

else {

WLCProvinceModel* model = self.searchDataSource[indexPath.row];

dict = [NSDictionary dictionaryWithObjects:@[ model.name, model.pID ] forKeys:@[ @"name", @"id" ]];

}

[[NSNotificationCenter defaultCenter] postNotificationName:@"cityChoosed" object:self userInfo:dict];

} @catch (NSException* exception) {

} @finally {

}

self.searchController.active = NO;

[self.navigationController popToViewController:self.fatherVC animated:YES];

[tableView deselectRowAtIndexPath:indexPath animated:YES];

}

#pragma mark - UISearchDelegate

- (void)updateSearchResultsForSearchController:(UISearchController*)searchController

{

[self.searchDataSource removeAllObjects];

NSArray* ary = [NSArray new];

//对排序好的数据进行搜索

NSDictionary* allDataSource = [HCSortString sortAndGroupForArray:self.modelArrM PropertyName:@"name"];

ary = [HCSortString getAllValuesFromDict:allDataSource];

if (searchController.searchBar.text.length == 0) {

[self.searchDataSource addObjectsFromArray:ary];

}

else {

ary = [ZYPinYinSearch searchWithOriginalArray:ary andSearchText:searchController.searchBar.text andSearchByPropertyName:@

"name"];

[self.searchDataSource addObjectsFromArray:ary];

}

[self.tableView reloadData];

}

@end

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持快网idc。

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