springboot -web

springboot比ssm框架的配置更加简单

新建项目是一定要选择web项目,否则项目不能正常启动

这篇博客总结新学到的内容的

启动类

实体类

@Data //set/get/toString
@Accessors(chain = true) //链式加载
@NoArgsConstructor //无参构造
@AllArgsConstructor //有参构造
@TableName("user") //对象与数据表完成映射
public class User implements Serializable{
   @TableId(type=IdType.AUTO) //主键自动
   private Integer id;
   private String name;
   private Integer age;
   private String sex;
}

yml文件

mybatis用的是mybatis-plus

 1 server:
 2   port: 8090
 3   servlet:
 4       context-path: /
 5 #---------------------
 6 
 7 #引入数据源配置和配置mvc界面
 8 spring:
 9   datasource:
10     #引入druid数据源
11     type: com.alibaba.druid.pool.DruidDataSource
12     driver-class-name: com.mysql.cj.jdbc.Driver
13     url: jdbc:mysql://localhost:3306/jtdb?serverTimezone=GMT%2B8&useUnicode=true&characterEncoding=utf8&autoReconnect=true&allowMultiQueries=true
14     username: root
15     password: root
16 
17   mvc:
18     view:
19       prefix: /WEB-INF/
20       suffix: .jsp
21 
22 
23 #mybatis-plus配置
24 mybatis-plus:
25   type-aliases-package: com.ywq.testboot.pojo
26   mapper-locations: classpath:mapper/*.xml
27   configuration:
28     map-underscore-to-camel-case: true
29 
30 #添加日志输出
31 logging:
32   level:
33     com.demo.mapper: debug

application.yml

pom.xml

  1 <?xml version="1.0" encoding="UTF-8"?>
  2 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  3          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
  4     <modelVersion>4.0.0</modelVersion>
  5     <parent>
  6         <groupId>org.springframework.boot</groupId>
  7         <artifactId>spring-boot-starter-parent</artifactId>
  8         <version>2.1.3.RELEASE</version>
  9         <relativePath/> <!-- lookup parent from repository -->
 10     </parent>
 11     <groupId>com.ywq</groupId>
 12     <artifactId>test-boot</artifactId>
 13     <version>0.0.1-SNAPSHOT</version>
 14     <name>test-boot</name>
 15     <description>Demo project for Spring Boot</description>
 16 
 17     <properties>
 18         <java.version>1.8</java.version>
 19     </properties>
 20 
 21     <dependencies>
 22         <dependency>
 23             <groupId>org.springframework.boot</groupId>
 24             <artifactId>spring-boot-starter-web</artifactId>
 25         </dependency>
 26 
 27         <dependency>
 28             <groupId>org.projectlombok</groupId>
 29             <artifactId>lombok</artifactId>
 30             <optional>true</optional>
 31         </dependency>
 32         <dependency>
 33             <groupId>org.springframework.boot</groupId>
 34             <artifactId>spring-boot-starter-test</artifactId>
 35             <scope>test</scope>
 36             <exclusions>
 37                 <exclusion>
 38                     <groupId>org.junit.vintage</groupId>
 39                     <artifactId>junit-vintage-engine</artifactId>
 40                 </exclusion>
 41             </exclusions>
 42         </dependency>
 43 
 44         <!--热部署-->
 45         <dependency>
 46             <groupId>org.springframework</groupId>
 47             <artifactId>springloaded</artifactId>
 48             <version>1.2.8.RELEASE</version>
 49         </dependency>
 50 
 51         <!--引入数据库驱动-->
 52         <dependency>
 53             <groupId>mysql</groupId>
 54             <artifactId>mysql-connector-java</artifactId>
 55             <scope>5.1.6</scope>
 56         </dependency>
 57 
 58         <!--引入数据源-->
 59         <dependency>
 60             <groupId>com.alibaba</groupId>
 61             <artifactId>druid</artifactId>
 62             <version>1.1.21</version>
 63         </dependency>
 64 
 65         <!--整合mybatis-plus-->
 66         <dependency>
 67             <groupId>com.baomidou</groupId>
 68             <artifactId>mybatis-plus-boot-starter</artifactId>
 69             <version>3.0.6</version>
 70         </dependency>
 71 
 72         <!--spring整合JSP添加依赖,jstl那些-->
 73         <!--servlet-->
 74         <dependency>
 75             <groupId>javax.servlet</groupId>
 76             <artifactId>javax.servlet-api</artifactId>
 77         </dependency>
 78 
 79         <dependency>
 80             <groupId>javax.servlet</groupId>
 81             <artifactId>jstl</artifactId>
 82         </dependency>
 83 
 84         <!--使js页面生效-->
 85         <dependency>
 86             <groupId>org.apache.tomcat.embed</groupId>
 87             <artifactId>tomcat-embed-jasper</artifactId>
 88         </dependency>
 89         <dependency>
 90             <groupId>org.springframework</groupId>
 91             <artifactId>spring-web</artifactId>
 92         </dependency>
 93 
 94 
 95 
 96     </dependencies>
 97 
 98     <build>
 99         <plugins>
100             <plugin>
101                 <groupId>org.springframework.boot</groupId>
102                 <artifactId>spring-boot-maven-plugin</artifactId>
103             </plugin>
104         </plugins>
105     </build>
106 
107 </project>

pom.xml