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Resource download: https://download.csdn.net/download/weixin_44893902/45603787 Exercise point design: fuzzy query, delete, add, modify 1, Language and environment Implementation language: JAVA language.Environment requirements: MyEclipse/Eclipse + Tomcat + MySql.Use technology: Jsp+Servlet+JavaBean or spring MVC + Spring + mybatis. 2 ...

Mybatis Generator reverse engineering from scratch Build environment Idea 2021.1MavenSpring BootMysql Maven configuration <dependencies> <!--Spring BottMybatis--> <dependency> <groupId>org.mybatis.spring.boot</groupId> <artifactId>mybatis-spring-boot-starter</a ...

Resource download: https://download.csdn.net/download/weixin_44893902/45603211 Exercise point design: fuzzy query, delete, add 1, Language and environment Implementation language: JAVA language.Environment requirements: MyEclipse/Eclipse + Tomcat + MySql.Use technology: Jsp+Servlet+JavaBean or spring MVC + Spring + mybatis. 2, Realiz ...

Blue Bridge Cup exercise 1. Problem description Judge whether the given three digit number is the number of daffodils. The so-called narcissus number refers to the number whose value is equal to the sum of each number cube of itself. Example 153 is a daffodil number. 153=13+53+33 #include<stdio.h> int main () { int a,b,c,d; scanf("% ...

Name mobile phone numbers are often stored in databases, such as ID number, bank card number, name and phone number. Such information is usually required to store encrypted storage to meet compliance requirements according to compliance requirements. Pain point 1: The usual solution is to manually encrypt and insert the corresponding encrypte ...

preface Now many companies are using HikariCP. HikariCP has also become the default connection pool of SpringBoot. With SpringBoot and microservices, HikariCP will be widely popularized. Next, Chen will take you to analyze why HikariCP can be favored by Spring Boot from the perspective of source code. The article directory is as follows: c ...

Annotation and reflection annotation What is annotation? Annotation is a new technology introduced from JDL 5.0 Not the program itself, you can explain the program (this is no different from the comment)Can be read by other programs (such as compiler)Annotations exist in the code as "@ annotation name". You can also add param ...

Resource download: https://download.csdn.net/download/weixin_44893902/45600390 Exercise point design: fuzzy query, delete, add 1, Language and environment Implementation language: JAVA language.Environment requirements: MyEclipse/Eclipse + Tomcat + MySql.Use technology: Jsp+Servlet+JavaBean or spring MVC + Spring + mybatis. 2, Realiz ...

MyBatis framework Chapter I framework 1. Three tier architecture mvc: in web development, mvc architecture pattern is used. m: Data, v: view, c: controller c controller: accept the request, call the service object, and display the processing result of the request. The servlet is currently used as the controller v: now use jsp, html, cs ...

The basic concept of Java Bean and the use of Bean in JSP In the process of software development, business logic and presentation layer should be separated as far as possible, so as to achieve complete decoupling, which is the basic concept of software layered design. In JSP, Java beans are often used to realize the core business logic, ...