Use of javaee spring jdbcTemplate

Dependencies <?xml version=”1.0″ encoding=”UTF-8″?> <project xmlns=”http://maven.apache.org/POM/4.0.0″ xmlns:xsi=”http://www.w3.org/2001/XMLSchema-instance” xsi:schemaLocation=”http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd”> <modelVersion>4.0.0</modelVersion> <groupId>org.example</groupId> <artifactId>testspring02</artifactId> <version>1.0-SNAPSHOT</version> <packaging>war</packaging> <name>testspring02 Maven Webapp</name> <!– FIXME change it to the project’s website –> <url>http://www.example.com</url> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <maven.compiler.source>1.7</maven.compiler.source> <maven.compiler.target>1.7</maven.compiler.target> </properties> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.11</version> <scope>test</scope> </dependency> <!– Import spring’s core jar package –> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>4.3.18.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> <version>4.3.18.RELEASE</version> […]

04JdbcTemplate operates the database

read navigation Jump to the general directory Article directory 01. JdbcTemplate concept and use 02. Add 03. Modification and deletion 04. Query returns a certain value 05. Query return object 06. Query returns collection 07. Batch operation 08. Batch modification operation other 01, JdbcTemplate concept and usage The Spring framework encapsulates JDBC and uses JdbcTemplate […]

Spring Series Six: JdbcTemplate

JdbcTemplate Actual demand Actual requirements: If programmers want to use the spring framework for projects, how does the spring framework handle database operations? Solution 1: Use the JdbcUtils class previously developed for the project Solution 2: In fact, spring provides a powerful class JdbcTemplate for operating database (table). We can configure a jdbcTemplate object with […]

Database connection pool + JDBCTemplate

Database connection pool 1. Concept 1. In fact, it is a container (collection), a container for storing database connections After the system is initialized, the container is created, and some connection objects will be applied for in the container. When the user visits the database, the connection object is obtained from the container. After the […]

[SSM] JdbcTemplate in Spring

Directory Thirteen, JdbcTemplate 13.1 Environment preparation 13.2 Added 13.3 Modification 13.4 Delete 13.5 Query 13.6 Querying for a value 13.7 Batch Add 13.8 Batch modification 13.9 Batch delete 13.10 Using callback functions 13.11 Using the Druid Connection Pool Thirteen, JdbcTemplate JdbcTemplate is a JDBC template class provided by Spring, which encapsulates JDBC and simplifies JDBC […]

JdbcTemplate–a powerful class for manipulating databases (tables) provided by spring

Article directory JdbcTemplate–a powerful class for manipulating databases (tables) provided by spring Introduction Official documentation: JdbcTemplate-Basic Introduction Use of JdbcTemplate Need to introduce the jar package of JdbcTemplate Create configuration file src/jdbc.properties Create an xml file, introduce jdbc.properties, and configure the data source Test whether the data source is connected Simple use of JdbcTemplate add […]

SpringBoot operates database JdbcTemplate–005 of JSB series

SpringBoot series article directory SpringBoot knowledge range – learning steps [000 of JSB series] Directory Environment and tools: 1 Explain the database, using mysql 5.5.2 The code of the DAO layer structure.service layer.controller layer Environment and tools: environment win11 tools idea 2017 jdk 1.8 Database mysql5.5 maven 3.2.1 Project import method maven import Database front-end […]