maven搭建springboot+mybatis+freemarker
阿新 • • 發佈:2017-09-20
username etag actor dmi mysql result resource tro pac
創建maven項目後,在pox.xml中添加依賴的jar包
<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/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>springboot-mybatis</groupId> <artifactId>springboot-mybatis</artifactId> <version>1.0.0</version> <packaging>war</packaging> <name>springBoot-mybatis</name> <description>Spring Boot project</description> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>1.3.2.RELEASE</version> <relativePath /> </parent> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <java.version>1.8</java.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>org.mybatis.spring.boot</groupId> <artifactId>mybatis-spring-boot-starter</artifactId> <version>1.1.1</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-freemarker</artifactId> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.36</version> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>3.8.1</version> <scope>test</scope> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>3.1.0</version> </dependency> </dependencies> <build> <finalName>SpringMybatis</finalName> <plugins> <!-- define the project compile level --> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>2.3.2</version> <configuration> <source>1.8</source> <target>1.8</target> </configuration> </plugin> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-surefire-plugin</artifactId> <configuration> <skip>trueView Code</skip> </configuration> </plugin> </plugins> </build> </project>
新建一個Application類,用來啟動web項目
package com.hushunwei; import org.apache.log4j.Logger; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; @SpringBootApplicationpublic class Application { private static Logger logger = Logger.getLogger(Application.class); public static void main(String[] args) { // TODO Auto-generated method stub SpringApplication.run(Application.class, args); logger.info("============= SpringBoot Start Success ============="); } }
新建一個application.properties配置文件
spring.datasource.url=jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf8 spring.datasource.username=root spring.datasource.password=root spring.datasource.driver-class-name=com.mysql.jdbc.Driver server.port=8080
新建一個實體類(數據庫表和字段自己創建)
package com.hushunwei.pojo; public class User { private int id; private String name; private String pwd; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getPwd() { return pwd; } public void setPwd(String pwd) { this.pwd = pwd; } }
新建一個mapper接口類
sql與語句用的註解實現,註意變量名要和數據庫字段相同,不然就要添加@Results註解修改字段名
package com.hushunwei.dao; import org.apache.ibatis.annotations.Mapper; import org.apache.ibatis.annotations.Param; import org.apache.ibatis.annotations.Result; import org.apache.ibatis.annotations.Results; import org.apache.ibatis.annotations.Select; import com.hushunwei.pojo.User; @Mapper public interface UserMapper { @Select("select * from user where name=#{name}") @Results({ @Result(column="id", property="id"), @Result(column="name", property="name"), @Result(column="pwd", property="pwd") }) User findUserByName(@Param("name")String name); }
新建一個Controller類
package com.hushunwei.controller; import java.util.Date; import java.util.Map; import org.apache.log4j.Logger; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Value; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import com.hushunwei.dao.UserMapper; import com.hushunwei.pojo.User; @Controller @RequestMapping({"/home"}) public class UserController { private Logger logger = Logger.getLogger(UserController.class); @Autowired UserMapper userMapper; @RequestMapping("/user") public String user(Map<String, Object> model) { User user = userMapper.findUserByName("admin"); if(user != null){ logger.info("user.getAge"+user); } model.put("name", user.getName()); model.put("password", user.getPwd()); return "user"; } }
在resource目錄下新建一個templates文件夾,在文件下建一個user.ftl文件
<html> <body> 賬號:${name}<br/> 密碼:${password} </body> </html>
測試結果,在瀏覽器輸入http://localhost:8080/home/user
maven搭建springboot+mybatis+freemarker