第一个spring boot

女爷i 2022-05-23 09:42 223阅读 0赞

**![70][]**

**pom 文件：**

<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>  
<parent>  
    <groupId>org.springframework.boot</groupId>  
    <artifactId>spring-boot-starter-parent</artifactId>  
    <version>1.5.6.RELEASE</version>  
    <relativePath />   
</parent>  
  
  
<groupId>springboot.com</groupId>  
<artifactId>springboot</artifactId>  
<packaging>war</packaging>  
<version>0.0.1-SNAPSHOT</version>  
<name>springboot Maven Webapp</name>  
<url>http://maven.apache.org</url>  
  
<properties>  
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>  
    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>  
    <java.version>1.7</java.version>  
</properties>  
  
<dependencies>  
<dependency>  
            <groupId>org.springframework.boot</groupId>  
            <artifactId>spring-boot-starter-web</artifactId>  
        </dependency>  
  
  
        <dependency>  
            <groupId>org.springframework.boot</groupId>  
            <artifactId>spring-boot-starter-test</artifactId>  
            <scope>test</scope>  
        </dependency>  
          
          
<dependency>  
    <groupId>javax.servlet</groupId>  
    <artifactId>javax.servlet-api</artifactId>  
    <scope>provided</scope>  
</dependency>  
<dependency>  
    <groupId>javax.servlet</groupId>  
    <artifactId>jstl</artifactId>  
</dependency>  
  
  
<dependency>  
    <groupId>org.apache.tomcat.embed</groupId>  
    <artifactId>tomcat-embed-jasper</artifactId>  
    <scope>provided</scope>  
</dependency>  
  
<dependency>  
    <groupId>org.springframework.boot</groupId>  
    <artifactId>spring-boot-devtools</artifactId>  
    <optional>true</optional>   
</dependency>  
  
  
<dependency>  
    <groupId>org.mybatis.spring.boot</groupId>  
    <artifactId>mybatis-spring-boot-starter</artifactId>  
    <version>1.1.1</version>  
</dependency>  
  
  
<dependency>  
    <groupId>mysql</groupId>  
    <artifactId>mysql-connector-java</artifactId>  
    <version>5.1.21</version>  
</dependency>  
</dependencies>  
<build>  
<plugins>  
<plugin>  
<groupId>org.springframework.boot</groupId>  
<artifactId>spring-boot-maven-plugin</artifactId>  
</plugin>  
</plugins>  
<finalName>springboot</finalName>  
</build>

</project>

**application.yml**

server:  
  port: 8090  
  
spring:   
  mvc:   
    view:  
      prefix: /WEB-INF/views/  
      suffix: .jsp  
  datasource:   
    url: jdbc:mysql://localhost:3306/test?characterEncoding=UTF-8  
    username: root  
    password: root  
    driver-class-name: com.mysql.jdbc.Driver  
mybatis:   
  type-aliases-package: com.springboot.model  
  mapper-locations: classpath:com/springboot/\*.xml

**SpringbootApplication**

package com.springboot;  
import org.mybatis.spring.annotation.MapperScan;  
import org.springframework.boot.SpringApplication;  
import org.springframework.boot.autoconfigure.SpringBootApplication;  
  
@SpringBootApplication  
@MapperScan(basePackages="com.springboot.mapper")  
public class SpringbootApplication \{  
public static void main(String\[\] args) \{  
        SpringApplication.run(SpringbootApplication.class, args);  
    \}

**TestController**

package com.springboot;  
import org.springframework.beans.factory.annotation.Autowired;  
import org.springframework.stereotype.Controller;  
import org.springframework.web.bind.annotation.RequestMapping;  
import org.springframework.web.bind.annotation.ResponseBody;  
import com.springboot.mapper.TestMapper;  
import com.springboot.model.SourceConfig;  
  
@Controller  
public class TestController \{  
  
@Autowired  
private TestMapper testMapper;  
  
@ResponseBody  
@RequestMapping("test.html")  
public String test()\{  
  
SourceConfig sourceConfig = testMapper.getSourceConfigById(1L);  
  
System.out.println(sourceConfig.getBuildJsonMethod());  
  
System.out.println(sourceConfig.getSourceName());  
return "test";  
  
\}  
  
@RequestMapping("testjsp.html")  
public String testjsp()\{  
return "test";  
\}

**TestMapper**

package com.springboot.mapper;  
import org.apache.ibatis.annotations.Param;  
import com.springboot.model.SourceConfig;  
public interface TestMapper \{  
SourceConfig getSourceConfigById(@Param("sourceId")long sourceId);

**TestMapper.xml**

<?xml version="1.0" encoding="UTF-8" ?>  
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >  
<mapper namespace="com.springboot.mapper.TestMapper">  
  
<resultMap type="com.springboot.model.SourceConfig" id="sourceConfigMapper">  
<result column="source\_id" property="sourceId"/>  
<result column="source\_name" property="sourceName"/>  
<result column="buildJsonMethod" property="buildJsonMethod"/>  
</resultMap>  
  
<select id = "getSourceConfigById" resultMap = "sourceConfigMapper">  
SELECT source\_id,   
source\_name,   
buildJsonMethod   
FROM test   
WHERE source\_id = \#\{sourceId\}  
</select>  
</mapper>

[70]: /images/20220523/bdc61ae2698d47daa14a273ca9664d39.png