因为springboot默认支持模板技术,webapp须手动添加
1.选择项目配置
2.添加web
3.修改webapp地址
4.添加成功
5.最后引入支持jsp的jar包

1 <!--引入支持jsp的架包--> 2 <dependency> 3 <groupId>javax.servlet</groupId> 4 <artifactId>javax.servlet-api</artifactId> 5 <scope>provided</scope> 6 </dependency> 7 <dependency> 8 <groupId>javax.servlet</groupId> 9 <artifactId>jstl</artifactId> 10 </dependency> 11 <!--tomcat支持--> 12 <dependency> 13 <groupId>org.springframework.boot</groupId> 14 <artifactId>spring-boot-starter-tomcat</artifactId> 15 <scope>provided</scope> 16 </dependency> 17 <dependency> 18 <groupId>org.apache.tomcat.embed</groupId> 19 <artifactId>tomcat-embed-jasper</artifactId> 20 <scope>provided</scope> 21 </dependency>