Article Introduction：In my recent work, I needed a province and city three-level linkage selection component that is similar to the JD.com shopping cart address selection. I checked on Google and they were all in the form of drop-down boxes, so I wrote one myself. I hope it will be helpful to friends who use Vue to develop projects. It’s helpful. I won’t say much more below. Let’s take a look at the detailed introduction. Selecting provinces and cities is a function that we all often encounter when filling in addresses. The following article mainly introduces to you the relevant information about using vue.js to imitate the three-level linkage selection components of Jingdong provinces and cities. In the article The introduction through the sample code is very detailed. Friends in need can refer to it. Let’s take a look together. Information, the article introduces it in detail through sample code. Friends who need it can refer to it. Below

2017-12-12 comment 0  4653

Article Introduction：I recently worked on a project that required the use of three-level linkage between provinces and municipalities. I read a lot of information online, so I came up with the following ideas and code.

2017-07-10 comment 0  1864

Article Introduction：What this article reflects to everyone is a simple three-level linkage effect of provinces and municipalities implemented in javascript. It does not require access to the backend server, does not use Ajax, does not refresh, and implements three-level linkage of provinces and municipalities purely in JS. When the data of provinces and cities changes, you only need to adjust the js.

2016-05-16 comment 0  1048

Article Introduction：This time I will bring you Ajax+mysq to realize the three-level linkage list of provinces and municipalities. What are the precautions for Ajax+mysq to realize the three-level linkage list of provinces and municipalities? Here is a practical case, let’s take a look.

2018-04-03 comment 0  2483

Article Introduction：This article mainly introduces the three-level linkage function of provinces and municipalities implemented by thinkPHP, and analyzes the detailed steps and related operating skills of thinkPHP to implement the three-level linkage function of provinces and municipalities. Friends in need can refer to the following

2018-06-06 comment 0  1948

Article Introduction：This article mainly introduces the very detailed code to implement the three-level linkage drop-down box menu of provinces and municipalities in javascript, which solves the problem of realizing the three-level linkage drop-down box menu of provinces and municipalities in javascript. Interested friends can refer to it.

2016-05-16 comment 0  1427

Article Introduction：This article mainly introduces Vue2 to imitate Taobao in detail to achieve three-level linkage between provinces and municipalities. It has certain reference value. Interested friends can refer to it.

2018-06-23 comment 1  4342

Article Introduction：This article mainly introduces vue mint-ui to realize the 4-level linkage of provinces, cities and streets (imitation of the 4-level linkage of Taobao and JD.com delivery addresses). It is of great practical value. Friends who need it can refer to it.

2018-01-15 comment 0  3413

Article Introduction：When laying out pages, three-level linkage drop-down lists are often used. As a front-end developer, can you use JS to write three-level linkage codes for provinces and cities? This article will share with you how to use JS to achieve the three-level linkage effect of cities across the country. It has certain reference value and interested friends can refer to it.

2018-10-20 comment 0  9379

Article Introduction：When working on projects, we often need to use the three-level linkage of provinces and municipalities such as addresses. Today I will share with you a very concise code for the three-level linkage of provinces and municipalities. It is based on jQuery and has a GIT address. Friends who need it can take it directly.

2016-05-16 comment 0  1111

Article Introduction：This article mainly introduces JavaScript to realize the three-level linkage drop-down menu of provinces and municipalities. Friends in need can refer to it.

2016-05-16 comment 0  1535

Article Introduction：Just like when choosing an address for shopping, the city list is dynamically loaded through the selected province, and the county list is dynamically loaded through the selected city, so that the three-level linkage of provinces, cities and counties can be achieved. The following uses native JavaScript to implement this function. What is needed Friends, please refer to it

2016-05-16 comment 0  1647

Article Introduction：How to realize multi-level linkage of data through PHP and UniApp Introduction: When developing web applications and mobile applications, we often encounter the need to achieve multi-level linkage, such as the selection of provinces and cities, the selection of product categories, etc. This article will introduce how to use PHP and UniApp to achieve multi-level linkage of data, and give corresponding code examples. 1. Data preparation Before starting, we first need to prepare the data required for multi-level linkage. Suppose we want to implement a selector for three-level linkage between provinces and municipalities, we need to prepare a

2023-07-04 comment 0  845

Article Introduction：This article mainly introduces native js to realize the three-level linkage function of provinces and municipalities and code sharing. Friends in need can refer to it.

2018-06-06 comment 0  2778

Article Introduction：This article mainly introduces the vue region selection component, which is mainly used for the operation of national regional data, including three-level linkage of provinces, cities, and districts, and the addition and deletion of regional data. This article focuses on introducing the detailed tutorial of the vue region selection component. What is needed Friends, please refer to it

2018-05-04 comment 0  1424

Article Introduction：Recently I have been working on the front-end development of public accounts, and encountered the problem of Ajax cross-domain requests, such as the three-level linkage of province-city-county in the region, the three-level linkage query of car brand-car series-car model, etc., all need to call external interfaces (Interface to other engineering projects) completed. This article mainly introduces the front-end cross-domain request processing and back-end cross-domain data processing methods, and analyzes the cross-domain issues of Ajax in detail.

2018-02-09 comment 0  1563

Article Introduction：This project requires regional division of roles. Each role corresponds to one or more third-level cities. When logging in in the background, only business opportunities in the area can be viewed. First, create an account table: fields include: account id, role id, login account, Login password, account name, status, number of login errors, and account user information are followed by the role table: role id, parent role id, role name, role level, status, remarks, and others. Associate the area and authority and then the role area table: area id, role id, first-level city code (provincial level), second-level city code (city level)

2017-07-22 comment 0  1690

Article Introduction：In front-end development, province and city linkage selection is a very basic and commonly used function. In order to improve user experience and improve data validity, developers need to implement this function through certain technical means. Among them, jquery is a very commonly used JavaScript library. This article will introduce how to use jquery to realize the linkage selection function of provinces and municipalities. 1. Demand analysis 1. Three drop-down boxes are needed, representing provinces, cities, and districts respectively; 2. After selecting a province, the city drop-down box will be dynamically loaded according to the province information, and the corresponding district drop-down box will also be loaded according to the province information.

2023-04-10 comment 0  996

Article Introduction：HTML: <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>Three-level linkage between provinces and municipalities</title> <style> select { width: 200px; padding: 5px; } </style&g

2017-10-19 comment 0  6280

Article Introduction：The three-level linkage between provinces and municipalities is particularly important when filling in the form. It directly improves the user's filling speed and accuracy. Next, this article uses js code to implement one. If you are interested, you can refer to it. I hope it can help you.

2016-05-16 comment 0  1434