Requirements for fuzzy search function of website construction

User interface design: create a search box that allows users to enter keywords to search. You can consider using auto completion or drop-down menus to provide relevant search suggestions.

Database design: determine the data set to be searched, such as articles, products, users, etc. Store these data in the database and establish appropriate indexes to improve the search efficiency.

Search algorithm: select an appropriate search algorithm to realize the fuzzy search function. Common algorithms include pattern matching algorithms based on string matching (such as KMP algorithm, Boyer Moore algorithm, etc.) or algorithms based on full-text search (such as inverted index algorithm, Trie tree, etc.).

Query processing: after the user enters the keyword, the keyword is transferred to the background for processing. According to the selected search algorithm, use the corresponding query statement or search function to perform the search operation in the database.

Display of search results: display the search results to users in the form of a list or waterfall. It can display relevant summary, title, picture and other information, and provide links or buttons for users to further view the details.

Search optimization: optimize the performance and user experience of the search function. For example, you can use caching technology to cache search results, provide paging function of search results, or make personalized recommendations based on the user's search history and behavior.

Error handling: handle user input errors or invalid situations. For example, provide input suggestions, correct spelling errors or feedback with no results.

Monitoring and feedback: monitor the use and performance of the search function, collect user feedback, and constantly improve the search algorithm and user interface design according to the feedback.

When implementing the fuzzy search function, it can be properly adjusted and expanded according to the specific needs and technology selection. The above are general production requirements, which may vary according to the actual situation.