1. //pom.xml
    2.  <dependency>
    3.     <groupId>com.microsoft.sqlserver</groupId>
    4.     <artifactId>mssql-jdbc</artifactId>
    5.     <version>6.2.1.jre8</version>
    6.     <scope>runtime</scope>
    7.     <!-- scope 从maven仓库拷贝过来时默认是test -->
    8. </dependency>
    //application.yml
spring:
  datasource:
    driver-class-name: com.microsoft.sqlserver.jdbc.SQLServerDriver
    url: jdbc:sqlserver://172.26.1.4:1433;databaseName=MWBS_Demo4
    username: sa
    password: Pass2017

    主要是 driver-class 和 url 的格式