iOS开源 - 类似美团下拉菜单列表

   <h2>DOPDropDownMenu-Enhanced</h2>    <p>First, I would like to thank the author of theDOPDropDownMenu for their selfless dedication.</p>    <p>This enhanced version includes beautiful improvements to the interface, double tableview capability, optimized code, and improved stability. Enjoy!</p>    <h2><strong>CocoaPods</strong></h2>    <pre>  <code class="language-objectivec">pod 'DOPDropDownMenu-Enhanced', '~> 1.0.0'</code></pre>    <h3><strong>应用截图</strong></h3>    <p style="text-align:center"><img src="https://simg.open-open.com/show/8417563124824b9dc33ebf7f8b8d9dcd.jpg"> <img src="https://simg.open-open.com/show/e2a04ab3ca8a2144583cca59e2fb0304.gif"></p>    <h3><strong>用法</strong></h3>    <pre>  <code class="language-objectivec">#pragma mark - data source protocol  @class DOPDropDownMenu;    @protocol DOPDropDownMenuDataSource <NSObject>    @required    /**   *  返回 menu 第column列有多少行   */  - (NSInteger)menu:(DOPDropDownMenu *)menu numberOfRowsInColumn:(NSInteger)column;    /**   *  返回 menu 第column列 每行title   */  - (NSString *)menu:(DOPDropDownMenu *)menu titleForRowAtIndexPath:(DOPIndexPath *)indexPath;    @optional  /**   *  返回 menu 有多少列 ，默认1列   */  - (NSInteger)numberOfColumnsInMenu:(DOPDropDownMenu *)menu;    // 新增  返回 menu 第column列 每行image  - (NSString *)menu:(DOPDropDownMenu *)menu imageNameForRowAtIndexPath:(DOPIndexPath *)indexPath;    // 新增 detailText ,right text  - (NSString *)menu:(DOPDropDownMenu *)menu detailTextForRowAtIndexPath:(DOPIndexPath *)indexPath;    /** 新增   *  当有column列 row 行 返回有多少个item ，如果>0，说明有二级列表 ，=0 没有二级列表   *  如果都没有可以不实现该协议   */  - (NSInteger)menu:(DOPDropDownMenu *)menu numberOfItemsInRow:(NSInteger)row column:(NSInteger)column;    /** 新增   *  当有column列 row 行 item项 title   *  如果都没有可以不实现该协议   */  - (NSString *)menu:(DOPDropDownMenu *)menu titleForItemsInRowAtIndexPath:(DOPIndexPath *)indexPath;    // 新增 当有column列 row 行 item项 image  - (NSString *)menu:(DOPDropDownMenu *)menu imageNameForItemsInRowAtIndexPath:(DOPIndexPath *)indexPath;    // 新增  - (NSString *)menu:(DOPDropDownMenu *)menu detailTextForItemsInRowAtIndexPath:(DOPIndexPath *)indexPath;    @end    #pragma mark - delegate  @protocol DOPDropDownMenuDelegate <NSObject>  @optional  /**   *  点击代理，点击了第column 第row 或者item项，如果 item >=0   */  - (void)menu:(DOPDropDownMenu *)menu didSelectRowAtIndexPath:(DOPIndexPath *)indexPath;  @end</code></pre>    <p> </p>    <p>来自：https://github.com/12207480/DOPDropDownMenu-Enhanced</p>    <p> </p>