ios 下拉列表被tableview挡住了要怎么把下拉列表显示出来

Posted 2023-05-06

参考技术A 楼主你好！根据你的描述，让我来给你回答！

// DDIUICtrl_Message.m

// DDInsurance

//

// Created by LeeYunHeNB on 14-9-26.

// Copyright (c) 2014年 XinMaHuTong. All rights reserved.

//

#import "DDIUICtrl_Message.h"

#import "DDIUICtrl_messageCell.h"

#import "DDUICtrl_menuCell.h"

@interface DDIUICtrl_Message ()

@property (weak, nonatomic) IBOutlet UITableView *my_tableView;

@property (nonatomic, strong) NSMutableArray *dataArray;

@property (assign)BOOL isOpen;

@end

@implementation DDIUICtrl_Message

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil



self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];

if (self)

// Custom initialization



return self;



- (void)viewDidLoad



[super viewDidLoad];

[self setTitle:@"我的消息"];

[self setLeftButtonText:@"" andBackground:[UIImage imageNamed:@"btn_back"]];

NSDictionary *dic = @@"Cell": @"MainCell",@"isAttached":@(NO);

NSArray * array = @[dic,dic,dic,dic,dic,dic];

self.dataArray = [[NSMutableArray alloc]init];

self.dataArray = [NSMutableArray arrayWithArray:array];



- (void)didReceiveMemoryWarning



[super didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.



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



// Return the number of rows in the section.

return self.dataArray.count;;



- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView



// Return the number of sections.

return 1;



// tableViewCell

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



if ([[self.dataArray[indexPath.row] objectForKey:@"Cell"] isEqualToString:@"MainCell"])



static NSString *CellIdentifier = @"MainCell";

DDIUICtrl_messageCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];

if (cell == nil)

cell = [[DDIUICtrl_messageCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];

cell.selectionStyle = UITableViewCellSelectionStyleGray;



// cell.Headerphoto.image = [UIImage imageNamed:[NSString stringWithFormat:@"%d.jpg",indexPath.row%4+1]];

return cell;

else if([[self.dataArray[indexPath.row] objectForKey:@"Cell"] isEqualToString:@"AttachedCell"])

static NSString *CellIdentifier = @"AttachedCell";

DDUICtrl_menuCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];

if (cell == nil)

cell = [[DDUICtrl_menuCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];

cell.selectionStyle = UITableViewCellSelectionStyleNone;



return cell;



return nil;



// tableView点击事件

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

[tableView deselectRowAtIndexPath:indexPath animated:YES];

NSIndexPath *path = nil;

if ([[self.dataArray[indexPath.row] objectForKey:@"Cell"] isEqualToString:@"MainCell"])

path = [NSIndexPath indexPathForItem:(indexPath.row+1) inSection:indexPath.section];

else

path = indexPath;



if ([[self.dataArray[indexPath.row] objectForKey:@"isAttached"] boolValue])

// 关闭附加cell

NSDictionary * dic = @@"Cell": @"MainCell",@"isAttached":@(NO);

self.dataArray[(path.row-1)] = dic;

[self.dataArray removeObjectAtIndex:path.row];

[self.my_tableView beginUpdates];

[self.my_tableView deleteRowsAtIndexPaths:@[path] withRowAnimation:UITableViewRowAnimationMiddle];

[self.my_tableView endUpdates];

else

// 打开附加cell

NSDictionary * dic = @@"Cell": @"MainCell",@"isAttached":@(YES);

self.dataArray[(path.row-1)] = dic;

NSDictionary * addDic = @@"Cell": @"AttachedCell",@"isAttached":@(YES);

[self.dataArray insertObject:addDic atIndex:path.row];

[self.my_tableView beginUpdates];

[self.my_tableView insertRowsAtIndexPaths:@[path] withRowAnimation:UITableViewRowAnimationMiddle];

[self.my_tableView endUpdates];





@end

希望能帮到你，如果满意，请记得采纳哦~~~本回答被提问者和网友采纳

css下来菜单被下面的背景图片挡住了？

背景图片容器层级比下拉菜单层级高因此挡住了下拉菜单！在菜单样式部分加入z-index:99999; 参考技术A

设置菜单css

.menu position:relative; z-index:2 /* 如果下方背景图片设置了 z-index,这个值要比背景图片的大 */

参考技术B 你按背景设置下就好了