Detailed explanation of java search function code

First of all, we need to make it clear that the conditional search based on keywords in the search box sends a get request and a get request to the current page

When we want to realize the multi condition search function, we can encapsulate the search conditions into a map set, and then search according to the map set

Controller layer code:

Business layer code:

Mapper in mybatis xml：

In this way, the multi condition search function can be realized from the front end to the back end. We will also encounter such a situation. When entering search criteria, the display list will be refreshed automatically. Here, it is applied to Ajax related content. In the process of entering, AJAX requests will be issued continuously, and then the page will be refreshed.

< input type = "text" name = "ProductName" placeholder = "commodity name" class = "form control" value = "${param. ProductName}" > value = "${param. ProductName}" is to obtain the value from the parameters of the request URL, and realize the function of refreshing the page to display keywords after entering keyword search, as shown in the figure above:

When entering Chinese keywords for search, encodeuricomponent can be used to solve the problem of Chinese garbled code displayed in URL path:

click to enlarge

search result

summary

The above is a detailed explanation of the java search function code introduced by Xiaobian. I hope it will help you. If you have any questions, please leave me a message, and Xiaobian will reply to you in time. Thank you very much for your support for the programming tips website!