Article Introduction：The second-hand recycling website uses the multi-level classification and screening function developed by PHP. In modern society, people are paying more and more attention to environmental protection, and second-hand recycling has become a popular consumer concept. In order to facilitate users to quickly find the second-hand items they need, many second-hand recycling websites have begun to pay attention to multi-level classification and filtering functions. This article will introduce how to use PHP to develop multi-level classification filtering functions and provide corresponding code examples. First, we need to design the database table structure to store classification information. Suppose we have the following three tables: categories, s

2023-07-02 comment 0  1518

Article Introduction：This article mainly introduces the implementation code of PHP to obtain an N-layer classification tree from a two-dimensional array. Friends who need it can refer to it.

2016-12-20 comment 0  1259

Article Introduction： 二级分类添加文章1级分类的文章是通过查询下面所有子分类的文章， 但是如果用户在添加文章的时候选择一级分类，前台将不会显示它所添加的文章,因为显示的 是所有子分类文章。 分享到：

2016-06-13 comment 0  916

Article Introduction：PHP smarty secondary classification code and template loop examples. The data table structure of the second-level classification is as follows: Copy the code The code is as follows: The PHP code is as follows /** @ Article classification contains second-level classification @ param int $rootnum -- Number of first-level classifications @ param int $childnu

2016-07-21 comment 0  792

Article Introduction：PHP Advanced: Implementing Unlimited Categories Page 1/4. 1. Analysis When we use PHP to create a website, classification is very important. Under the classification, the second classification is called the sub-category. However, most websites are now only classified into the third category: the first classification

2016-07-21 comment 0  873

Article Introduction：This article mainly introduces the relevant information about jQuery's implementation of the second-level drop-down menu effect. Second-level drop-down menus are very common in practical applications, such as product classification of corporate websites, or department classification, etc. Friends who need it can refer to it.

2016-05-16 comment 0  1015

Article Introduction：When doing product category indexing in the secondary development of ecshop, the top-level category id must be obtained based on the category id. The first reaction was to use recursion, so I wrote the recursive function as follows:

2017-06-27 comment 0  1619

Article Introduction：: PHP Advanced: Realizing Unlimited Classification Page 1/4: 1. Analysis When we use PHP to make a website, classification is very important. Under the classification, we classify again. This second classification is called sub-classification, and now it is mostly Most website classifications are only divided into the third category: first category (parent category)-->second category (child category)-->third category (grandchild category). The more related categories there are, the more control the program and database have. It becomes more and more complicated and difficult. Classification processing and control at the same level is very simple, because only one database is needed to record the classification at this level, such as: system, news and other classifications. The processing at this level is very

2016-07-29 comment 0  711

Article Introduction： php 实现文章分类的问题例如数据库是这样的，【windows 7新闻】和【Windows 8.1 新闻】是 【微软资讯】的二级分类id     parent     name1   &

2016-06-13 comment 0  1101

Article Introduction：The method for phpcms to achieve secondary linkage is: 1. Create two tables in the database for primary classification and secondary classification; 2. Create a PHP page and set two drop-down boxes on the page. The first drop-down box Fill in the contents of the first-level classification list, and the second drop-down box should retrieve appropriate data from the second-level classification table according to the selected first-level classification and fill it accordingly; 3. After selection, use Ajax call to send a request to the server to fill it The second drop-down box; 4. Write a PHP script on the server side to respond to the request sent by the client.

2023-06-25 comment 0  1726

Article Introduction：Introduction to the use of recursive function return values ​​in PHP (ecshop unlimited classification). An introduction to the problem of returning values ​​of recursive functions in PHP using ecshop infinite classification as an example. When doing product classification indexing in the secondary development of ecshop, you need to obtain the belonging according to the classification id.

2016-07-13 comment 0  723

Article Introduction：PHP jquery implements news tag classification and refresh-free paging. Nowadays, jquery is used more and more widely, and the effect of tag classification + non-refresh paging has been implemented in the news section of many websites. I also tried to write one myself, and the rendering is as follows (style

2016-07-21 comment 0  1079

Article Introduction：php+jQuery implements news tag classification and refresh-free paging. Nowadays, jquery is used more and more widely, and the effect of tag classification + non-refresh paging has been implemented in the news section of many websites. I also tried to write one myself, and the rendering is as follows (like

2016-07-21 comment 0  879

Article Introduction：php jquery 实现新闻标签分类与无刷新分页。现在jquery的应用越来越广泛了，在很多网站的新闻板块都实现了 标签分类 + 无刷新分页 的效果。 也自己尝试写了一个，效果图如下（样式

2016-06-13 comment 0  1485

Article Introduction：The jquery ajax example includes the interface and background parts. After testing, the effect is pretty good. Friends who like it can use it or modify it twice.

2016-05-16 comment 0  978

Article Introduction： 求助： 这条sql怎么查询PHP code 10 代表衣服 20 代表数码 30 代表家具 二级分类 1001 代表男式衣服 1002 代表女式衣服 2001 代表数码1 2002 代表数码2 三级分类 100201 代表女式内衣 100202 代表女式…… 数据库有这样的分类ID我要查询 10 下面的二级分类的值 我应该怎么写呢 我这

2016-06-13 comment 0  825

Article Introduction：There are multiple first-level classifications, and there are uncertain second-level classifications, and there are uncertain third-level classifications under the second-level classification. I want to get the relevant data combinations and write them into the database, but I don’t know how to arrange the format to get the right data. Dear friends, please help me. Thank you. Is there any way to get the value of the entire column...

2016-08-04 comment 0  1419

Article Introduction：What is a jQuery plugin? Common jQuery plug-ins are mainly divided into three types: plug-ins that encapsulate object methods; plug-ins that encapsulate global functions; and selector plug-ins. So what is the writing and use of each jQuery plug-in based on these three jQuery plug-ins? Next, let’s talk about the use and writing of jQuery plug-ins.

2018-07-21 comment 0  1550

Article Introduction：The use of quotes is crucial when using jQuery. There are two types of quotes in jQuery: single quotes and double quotes. Which type to use mainly depends on personal preference and the requirements of the code itself. When using single quotes and double quotes, please note the following: 1. jQuery statements must use one type of quotes to contain parameters and parameter values. For example: ```$('button').click(function() { alert('Hello, world!');

2023-05-12 comment 0  761

Article Introduction：Step 1: Download and install the PPT material folder software. Step 2: [Import] PPT materials for centralized management. Click the [+] sign on the left side of the software to drag the selected PPT materials into the orange box to complete the material. addition. Note: If the imported PPT material has been marked according to categories, you can directly enter the categories without having to classify and mark again. Add [Classification Mark] to the PPT materials and perform primary classification and sorting of the files. The PPT materials that appear under the [Pending Sorting] category have not been classified and marked. For ease of use, simple classification marking is required. The steps are: 1. Select PPT material 2, click the [Note Pin] icon in the upper right corner of the software, and select the corresponding category in the dialog box that appears. After classification, you can view it under the corresponding main category.

2024-04-17 comment 0  1134