/*** 汉字转拼音** @param aString: 需要转的字符*/+ (NSString *)transformToPinyin:(NSString *)aString {//转成了可变字符串NSMutableString * mutableString = [NSMutableString stringWithString:aString];CFStringTransform((CFMutableStringRef) mutableString, NULL, kCFStringTransformToLatin, false);mutableString = (NSMutableString *)[mutableString stringByFoldingWithOptions:NSDiacriticInsensitiveSearch locale:[NSLocale currentLocale]];mutableString = [[mutableString stringByReplacingOccurrencesOfString:@" " withString:@""] mutableCopy];return mutableString.lowercaseString;}
self.searchTextField = [[UITextField alloc]init];self.searchTextField.borderStyle = UITextBorderStyleNone;self.searchTextField.textColor = [UIColor whiteColor];self.searchTextField.placeholder = @"输入搜索内容";self.searchTextField.delegate = self;[self.searchTextField setValue:[UIColor whiteColor] forKeyPath:@"_placeholderLabel.textColor"];[self.searchTextField setValue:[UIFont boldSystemFontOfSize:13] forKeyPath:@"_placeholderLabel.font"];self.searchTextField.returnKeyType = UIReturnKeySearch;self.searchTextField.font = [UIFont systemFontOfSize:13];self.searchTextField.clearButtonMode = UITextFieldViewModeWhileEditing;[searchView addSubview:self.searchTextField];[self.searchTextField mas_makeConstraints:^(MASConstraintMaker *make) {make.left.equalTo(searchView.mas_left).offset(33);make.right.equalTo(searchView.mas_right).offset(-33);make.top.equalTo(searchBackgroundView.mas_top).offset(0);make.bottom.equalTo(searchBackgroundView.mas_bottom).offset(0);}];[self.searchTextField addTarget:selfaction:@selector(textFieldDidChange:)forControlEvents:UIControlEventEditingChanged]; // 监听事件
//监听UITextField改变- (void)textFieldDidChange:(UITextField *)sender{if (sender.text.length == 0) {self.applyRecordList = self.originalList;[self.tableView reloadData];} else {[self searchTraversalDisplayData:sender.text];}}#pragma mark - UITextFieldDelegate- (BOOL)textFieldShouldReturn:(UITextField *)textField{[self searchTraversalDisplayData:textField.text];return YES;}-(NSMutableArray *)searchArray {if (!_searchArray) {_searchArray = [[NSMutableArray alloc]init];}return _searchArray;}#pragma mark - 搜索遍历-(void)searchTraversalDisplayData:(NSString *)text {NSString * search_pinyin = [Tools transformToPinyin:text];NSString * search_lower = [search_pinyin lowercaseString];[self.searchArray removeAllObjects];dispatch_queue_t globalQueue = dispatch_get_global_queue(0, 0);dispatch_async(globalQueue, ^{if (text!=nil&&text.length>0) {for (NSInteger i = 0; i<self.originalList.count; i++) {NSDictionary * dict = self.originalList[i];NSString * car_no = self.originalList[i][@"carno"];NSString * car_pinyin = [Tools transformToPinyin:car_no];NSString * car_lower = [car_pinyin lowercaseString];if ([car_lower rangeOfString:search_lower].location != NSNotFound) {[self.searchArray addObject:dict];}}} else {self.applyRecordList = self.originalList;} dispatch_async(dispatch_get_main_queue(), ^{self.applyRecordList = self.searchArray;[self.tableView reloadData];});});}
