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iOSUITextField实现实时搜索

iOSUITextField实现实时搜索

作者: 忆一曲肝肠断 | 来源:发表于2020-04-27 13:47 被阅读0次

    iOS UITextField实现实时搜索功能
    创建textField

     self.searchTabble.tableHeaderView = bgView;
        self.searchFIeld = [[UITextField alloc]init];
        self.searchFIeld.frame = CGRectMake(15*SCREEN_SCALE, 10*SCREEN_SCALE, SCREENW-30*SCREEN_SCALE, 34*SCREEN_SCALE);
        [self setRightViewWithTextField:self.searchFIeld imageName:@"搜索"];
        self.searchFIeld.placeholder = @"请输入停车场名称";
        self.searchFIeld.borderStyle= UITextBorderStyleRoundedRect;
        self.searchFIeld.keyboardType = UIKeyboardTypeWebSearch;
        [self.searchFIeld addTarget:self action:@selector(textFieldDidChange) forControlEvents:UIControlEventEditingChanged];
        self.searchFIeld.delegate = self;
        self.searchFIeld.clearButtonMode = UITextFieldViewModeWhileEditing;
        [bgView addSubview:self.searchFIeld];
    

    实现代理方法

    - (void)textFieldDidChange {
        if (self.searchFIeld.text != nil && self.searchFIeld.text.length > 0) {
            self.listFilterTeamsArray = [NSMutableArray array];
            for (NSMutableDictionary *dic in self.parkArray) {
                NSString * name = [dic objectForKey:@"parkName"];
                if ([name rangeOfString:self.searchFIeld.text options:NSCaseInsensitiveSearch].length > 0) {
                    [self.listFilterTeamsArray addObject:dic];
                    [self.searchTabble reloadData];
                }
            }
        }
        [self.searchTabble reloadData];
    }
    -(BOOL)textFieldShouldReturn:(UITextField *)textField{
        return YES;
        
    }
    - (void)textFieldDidBeginEditing:(UITextField *)textField{
        self.searchFIeld.text=@"";
        [self.historyArray removeAllObjects];
        [self.searchTabble reloadData];
        
    }
    - (void)textFieldDidEndEditing:(UITextField *)textField{
        [self.searchTabble reloadData];
    }
    

    核心功能如此,根据字段文字进行搜索实时显示,不搜索显示全部,搜索显示相关内容,不需要后台,直接客户端实现。文中变量自行脑补。
    是不是一目了然。简单粗暴,每天更新一个iOS小功能,喜欢的记得点赞加关注哦

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