Article Introduction：This article mainly introduces the realization of the second-level linkage drop-down selection menu of provinces and cities across the country based on JavaScript. It analyzes in detail the implementation skills of the second-level linkage drop-down menu of provinces and cities in js in the form of a complete example. It is very simple and practical. Friends who need it can For reference

2016-05-16 comment 0  1328

Article Introduction：PHP+Ajax+JS省市区三级联动。基本思想就是：在JS动态创建select控件的option,通过Ajax获取在PHP从SQL数据库获取的省市区信息，代码有点长，但很多都是类似的，例如JS中省

2016-06-13 comment 0  1036

Article Introduction：PHP+Mysql+Ajax+JS实现省市区三级联动。基本思想就是：在JS动态创建select控件的option,通过Ajax获取在PHP从SQL数据库获取的省市区信息，代码有点长，但很多都是类似的，例如JS中省

2016-06-13 comment 0  1645

Article Introduction：This article mainly introduces the relevant information on realizing the effect of secondary linkage menu based on Javascript. Friends in need can refer to it.

2016-05-16 comment 0  1368

Article Introduction：Dynamic loading and updating of multi-level linkage forms in Java Background: When developing web applications, you often encounter scenarios where multi-level linkage forms need to be implemented, such as the selection of three-level linkage between provinces, cities and counties. In such a form, when the user selects the upper-level option, the lower-level options are automatically loaded and updated based on the user's selection. This function can effectively reduce the user's input workload and improve the user experience. This article will use Java language to demonstrate how to implement multi-level linkage forms through dynamic loading and updating. Implementation idea: Define the data model: first need

2023-08-07 comment 0  971

Article Introduction：How to use Layui to achieve the horizontal scrolling effect of images The development of technology has brought web design and user experience to a new level. The horizontal scrolling effect of pictures has become a common method in the design of major websites. Through this effect, multiple pictures can be well displayed and navigated. Layui is a lightweight front-end UI framework developed based on jQuery. Compared with other frameworks, Layui is smaller, faster, and easy to learn and use. This article will introduce how to use Layui to realize pictures

2023-10-27 comment 0  906

Article Introduction：How to implement multi-level drop-down box linkage in Vue form processing. When developing front-end applications, forms are one of the indispensable components. In forms, drop-down boxes, as a common selection input method, are often used to implement multi-level selection. This article will teach you how to achieve the linkage effect of multi-level drop-down boxes in Vue. In Vue, linkage of drop-down boxes can be easily achieved through data binding. Let's first look at a simple example. Suppose we have a city selector. The user needs to first select a province, and then based on the selection

2023-08-11 comment 0  2441

Article Introduction：How to use Layui to achieve responsive single-page website effects. With the rapid development of the mobile Internet, responsive design of websites has become an increasingly important factor. Layui is a front-end framework based on HTML5 and CSS3 that can help developers easily implement responsive websites. This article will introduce how to use Layui to implement a simple responsive single-page website and provide specific code examples. Preparation work First, we need to introduce the relevant files of Layui. You can download the latest version from Layui official website

2023-10-24 comment 0  724

Article Introduction：A 6.2-magnitude earthquake occurred in Jishishan County, Linxia Hui Autonomous Prefecture, Gansu Province at 23:59 on December 18, Beijing time. There were casualties in the earthquake area. The Beijing Lenovo Charity Foundation announced today that it donated 1 million through the China Rural Development Foundation. Yuan is used to distribute cold-proof materials, food, etc. This website states: Beijing Lenovo Charity Foundation is a non-public foundation initiated by Lenovo Group and registered with the Beijing Civil Affairs Bureau on December 6, 2018. The initial capital of the foundation is 10 million yuan, all of which comes from Chengdu Lenovo Electronic Technology Co., Ltd. The foundation’s charitable activities mainly include subsidizing the lives of poor families, subsidizing the education of poor students, subsidizing infrastructure improvements in poor schools, and subsidizing natural disaster relief. Related recommendations:

2023-12-19 comment 0  1381

Article Introduction：According to reports, the 2023 Guangzhou International Artificial Intelligence Exhibition will be held in Guangzhou from December 20 to 22. With the theme of "Intelligent Technology, the Future of IoT", this exhibition focuses on global AIoT product innovation, accelerates the development of the intelligent IoT industry, and promotes the intelligent upgrading of the IoT. At the same time, during the exhibition, the focus will be on the analysis of industry market trends and development directions by the heads of well-known artificial intelligence companies. At present, artificial intelligence-related industries continue to advance and are frequently boosted by favorable policies. According to the recently released "Shanghai Action Plan to Further Promote New Infrastructure Construction (2023-2026)", Shanghai will accelerate the construction of high-performance computing power and high-quality data infrastructure that supports large artificial intelligence models and innovative applications of blockchain. . At the same time, Guangdong Province

2023-11-23 comment 0  1076

Article Introduction：According to news on January 30, 11 departments including the Ministry of Industry and Information Technology jointly issued the "Notice on Carrying out the Special Action of "Signal Upgrade"", proposing that mobile network (4G and 5G) signals will be significantly enhanced, and mobile user terminals will End-to-end service perception has been significantly improved. China Mobile responded proactively and researched innovative solutions for efficient and low-cost 4G and 5G coverage in view of the difficult, long-term and high-cost problems of station construction in remote rural areas. Recently, China Mobile Research Institute and Huawei completed field tests of 700MHz/900MHz dual-band dual-mode base stations in six cities in Yunnan Province, including Tengchong, Chuxiong, and Lincang, verifying the product's ultra-long-range coverage capabilities and hundreds of megabit service rates. In this field trial in Yunnan Province, the 4G uplink rate of the dual-band base station

2024-01-31 comment 0  1202

Article Introduction：Recently, the mobile game Legend of the Three Kingdoms has an event called "Reinforcement and Treasure Hunting of the Three Kingdoms Koi". This event has a rare grand prize, which is 150 fragments. The rare grand prize is Lu Bu. If you are also interested in Lu Bu, then you might as well take a look at what is brought now. The skill training strategy for Lu Bu’s reinforcements in the Three Kingdoms mobile game may bring you a lot of help. Strategy for cultivating the skills of Lu Bu in the mobile game War of the Three Kingdoms. For this treasure hunting activity of the Heroes Reinforcement Order, from the perspective of saving ingots, it is recommended to only draw one round for this treasure hunting. Lu Bu has 3 stars + activate Cai Wenji, etc. The rare grand prize in the next round is Cai Wenji who is working on 3 stars. Suggestions for cultivating Lu Bu's talent and skills: Comprehensive improvement: Level 5 Assistance improvement: Level 5 Rage improvement: Level 4 (can release two ultimate moves during summoning) Effect improvement: Level 2 (Excellent)

2024-03-28 comment 0  576

Article Introduction：According to news from this site on September 16, Huawei officially announced that at the 2023 China Radio Conference held in Qingdao, Shandong Province, Haier Smart Home, China Mobile Research Institute, and Huawei officially signed the 5G-Advanced Innovation Chain Industrial Chain Dual-chain Integration Action Plan Strategic cooperation MOU (memorandum of understanding). This is a further deepening of the cooperation between the three parties after jointly releasing the "Haier's All-Scenario IoT Application White Paper Based on 5G-APassiveIoT" in April this year with industry partners. This site learned from Huawei that this MOU aims to build the world's first 5G-A industry digital model and conduct end-to-end verification of 5G-A IoT technology in industry commercial scenarios. MOU is guided by the China Mobile Research Institute's "Innovation Chain-Industrial Chain" dual-chain integration action plan.

2023-09-16 comment 0  916

Article Introduction：How to set up a secondary drop-down menu in excel First, we need to view the original data, which is located in a worksheet. The first line contains the names of provinces and cities, and the following lines contain the names of places and districts under the corresponding provinces and cities. Our goal is to create a linked secondary drop-down menu in columns A and B of another worksheet. First, select all data in the original table (including blank cells) and press F5 or Ctrl+G to bring up the positioning dialog box. Select [Target Criteria] in the lower left corner. 3. Select [Constant] and click the [OK] button. In this way, all non-empty cells are selected. 4. Select [Data]-[Validity]-[Create based on selected content] in the functional area. 5. Since the title is on the first line, select [First Line] as the name, and then click [OK]

2024-01-19 comment 0  3069

Article Introduction：How to get the linkage equipment of Fox Demon Matchmaker in Nishuihan mobile game? There are many game activities in the game. Nishuihan mobile game × Fox Demon Matchmaker will start the linkage on April 26, and many beautiful linkage appearances and skills will be launched at that time. Characteristics and equipment, but there are still many players who still don’t know how to obtain the linkage equipment of the Fox Demon Matchmaker in the mobile game Ni Shui Han. So let the editor show you how to obtain the link equipment of the Fox Demon Matchmaker in the mobile game Ni Shui Han. I hope It can help everyone! Guide to obtain the linkage equipment of the Fox Demon Matchmaker in "Nishui Han Mobile Game": Dongfang Yue Yue·Tears of the Void PVP equipment, the basic attributes and fixed entries are the same as the 91 equipment level Bailian, with 10% HP AOE slashing killing effect. The upgraded version of Makinoya's necklace (reincarnation and continued fate) is suitable for gang leagues and sword trials. acquirer

2024-04-26 comment 0  896

Article Introduction：Sanqin Metropolis Daily - Qin Wenxun (Reporter Shi Yuhan, Ma Zhao, Wang Xiaofeng) On the afternoon of July 12, central and provincial online media reporters and Sanqin journalists who participated in the online theme event "Surge of Motive Force - Documentation of the Construction of Qin Innovation and New Driven Platform" The student reporters came to the Xixian New Area Artificial Intelligence Industry Collaborative Innovation Center. Relying on the internal and external teaching resources and industrial advantages of Shaanxi Province, focusing on the field of artificial intelligence, based on local industry needs, and combined with the scientific and technological innovation development of Shaanxi and Qinchuang, the innovation center continues to introduce high-quality artificial intelligence scientific and technological innovation projects, technologies, and talents to gather in Xixian New District. Promote the transformation and implementation of excellent scientific and technological achievements. Effectively link the demand side and technology side with the market side and capital side to solve the practical problems of difficulty in project implementation and transformation of scientific and technological achievements. Provide policy declaration, knowledge and

2023-07-14 comment 0  871

Article Introduction：With the continuous development of the Internet, the e-commerce market is becoming increasingly popular. In e-commerce platforms, grocery shopping systems are very common. Today, let’s talk about how to implement the product price grading and promotion strategy functions of the grocery shopping system in PHP development. The price grading and promotion strategies of the grocery shopping system are one of its basic functions. Its core is to actively guide users' shopping behavior by reasonably grading product prices, so as to achieve the effect of increasing purchase rates. Realize commodity price grading The realization of commodity price grading in the grocery shopping system is often

2023-11-01 comment 0  1432

Article Introduction：In "Adventure Battle", there are significant differences between ordinary flying pets and advanced flying pets in many aspects, and these differences directly affect their cultivation value. High-level flying pets usually have stronger active skills and higher-quality passive verb bars. These skills can play a greater role in combat and improve the character's overall combat effectiveness. In comparison, the skills and entries of ordinary flying pets may be more basic and have limited effects. Advanced flying pets have higher three-dimensional basic values ​​and a higher growth limit. This means that during the training process, the attributes of high-level flying pets will be improved more significantly, bringing greater attribute bonuses to the characters. This is the three-dimensional comparison chart of ordinary and advanced flying pets at level 80 in "Adventure Battle". Attack: 3694×1.16=4285. The attack has increased by about 15%. Because the advanced flying pets have different skills and

2024-08-22 comment 0  624