通过官方查看springCloud,springBoot版本对应

1 官方文档查看

在官网的Spring Cloud版本Hoxton SR7的Reference Doc中的内容如下，指定支持的boot版本为2.3.2.RELEASE：

Release Train Version: Hoxton.SR7
Supported Boot Version: 2.3.2.RELEASE

根据此官方文档得知该cloud版本兼容的boot版本只有一个，boot无法进行小范围的版本的调整。

2 更优的查看方式

springCloud官方提供最准确的springCloud,springBoot版本对应关系，可通过如下网址查看：

https://start.spring.io/actuator/info

该网址，访问的内容是json，格式化后内容如下：

{
    "git": {
        "branch": "72506972926758dc1808eaa450281274ee85459a",
        "commit": {
            "id": "7250697",
            "time": "2020-08-17T15:37:11Z"
        }
    },
    "build": {
        "version": "0.0.1-SNAPSHOT",
        "artifact": "start-site",
        "versions": {
            "spring-boot": "2.3.3.RELEASE",
            "initializr": "0.9.2-SNAPSHOT"
        },
        "name": "start.spring.io website",
        "time": "2020-08-17T15:38:19.523Z",
        "group": "io.spring.start"
    },
    "bom-ranges": {
        "azure": {
            "2.0.10": "Spring Boot >=2.0.0.RELEASE and <2.1.0.RELEASE",
            "2.1.10": "Spring Boot >=2.1.0.RELEASE and <2.2.0.M1",
            "2.2.4": "Spring Boot >=2.2.0.M1 and <2.3.0.M1",
            "2.3.1": "Spring Boot >=2.3.0.M1"
        },
        "codecentric-spring-boot-admin": {
            "2.0.6": "Spring Boot >=2.0.0.M1 and <2.1.0.M1",
            "2.1.6": "Spring Boot >=2.1.0.M1 and <2.2.0.M1",
            "2.2.4": "Spring Boot >=2.2.0.M1 and <2.3.0.M1",
            "2.3.0": "Spring Boot >=2.3.0.M1 and <2.4.0-M1"
        },
        "solace-spring-boot": {
            "1.0.0": "Spring Boot >=2.2.0.RELEASE and <2.3.0.M1",
            "1.1.0": "Spring Boot >=2.3.0.M1"
        },
        "solace-spring-cloud": {
            "1.0.0": "Spring Boot >=2.2.0.RELEASE and <2.3.0.M1",
            "1.1.1": "Spring Boot >=2.3.0.M1"
        },
        "spring-cloud": {
            "Finchley.M2": "Spring Boot >=2.0.0.M3 and <2.0.0.M5",
            "Finchley.M3": "Spring Boot >=2.0.0.M5 and <=2.0.0.M5",
            "Finchley.M4": "Spring Boot >=2.0.0.M6 and <=2.0.0.M6",
            "Finchley.M5": "Spring Boot >=2.0.0.M7 and <=2.0.0.M7",
            "Finchley.M6": "Spring Boot >=2.0.0.RC1 and <=2.0.0.RC1",
            "Finchley.M7": "Spring Boot >=2.0.0.RC2 and <=2.0.0.RC2",
            "Finchley.M9": "Spring Boot >=2.0.0.RELEASE and <=2.0.0.RELEASE",
            "Finchley.RC1": "Spring Boot >=2.0.1.RELEASE and <2.0.2.RELEASE",
            "Finchley.RC2": "Spring Boot >=2.0.2.RELEASE and <2.0.3.RELEASE",
            "Finchley.SR4": "Spring Boot >=2.0.3.RELEASE and <2.0.999.BUILD-SNAPSHOT",
            "Finchley.BUILD-SNAPSHOT": "Spring Boot >=2.0.999.BUILD-SNAPSHOT and <2.1.0.M3",
            "Greenwich.M1": "Spring Boot >=2.1.0.M3 and <2.1.0.RELEASE",
            "Greenwich.SR6": "Spring Boot >=2.1.0.RELEASE and <2.1.17.BUILD-SNAPSHOT",
            "Greenwich.BUILD-SNAPSHOT": "Spring Boot >=2.1.17.BUILD-SNAPSHOT and <2.2.0.M4",
            "Hoxton.SR7": "Spring Boot >=2.2.0.M4 and <2.3.4.BUILD-SNAPSHOT",
            "Hoxton.BUILD-SNAPSHOT": "Spring Boot >=2.3.4.BUILD-SNAPSHOT and <2.4.0.M1",
            "2020.0.0-SNAPSHOT": "Spring Boot >=2.4.0.M1"
        },
        "spring-cloud-alibaba": {
            "2.2.1.RELEASE": "Spring Boot >=2.2.0.RELEASE and <2.3.0.M1"
        },
        "spring-cloud-services": {
            "2.0.3.RELEASE": "Spring Boot >=2.0.0.RELEASE and <2.1.0.RELEASE",
            "2.1.7.RELEASE": "Spring Boot >=2.1.0.RELEASE and <2.2.0.RELEASE",
            "2.2.3.RELEASE": "Spring Boot >=2.2.0.RELEASE and <2.3.0.M1"
        },
        "spring-statemachine": {
            "2.0.0.M4": "Spring Boot >=2.0.0.RC1 and <=2.0.0.RC1",
            "2.0.0.M5": "Spring Boot >=2.0.0.RC2 and <=2.0.0.RC2",
            "2.0.1.RELEASE": "Spring Boot >=2.0.0.RELEASE"
        },
        "vaadin": {
            "10.0.17": "Spring Boot >=2.0.0.M1 and <2.1.0.M1",
            "14.3.3": "Spring Boot >=2.1.0.M1 and <2.4.0-M1"
        },
        "wavefront": {
            "2.0.0": "Spring Boot >=2.1.0.RELEASE"
        }
    },
    "dependency-ranges": {
        "okta": {
            "1.2.1": "Spring Boot >=2.1.2.RELEASE and <2.2.0.M1",
            "1.4.0": "Spring Boot >=2.2.0.M1 and <2.4.0-M1"
        },
        "mybatis": {
            "2.0.1": "Spring Boot >=2.0.0.RELEASE and <2.1.0.RELEASE",
            "2.1.3": "Spring Boot >=2.1.0.RELEASE and <2.4.0-M1"
        },
        "geode": {
            "1.2.9.RELEASE": "Spring Boot >=2.2.0.M5 and <2.3.0.M1",
            "1.3.2.RELEASE": "Spring Boot >=2.3.0.M1 and <2.4.0-M1",
            "1.4.0-M1": "Spring Boot >=2.4.0-M1"
        },
        "camel": {
            "2.22.4": "Spring Boot >=2.0.0.M1 and <2.1.0.M1",
            "2.25.2": "Spring Boot >=2.1.0.M1 and <2.2.0.M1",
            "3.3.0": "Spring Boot >=2.2.0.M1 and <2.3.0.M1",
            "3.4.3": "Spring Boot >=2.3.0.M1 and <2.4.0-M1"
        },
        "open-service-broker": {
            "2.1.3.RELEASE": "Spring Boot >=2.0.0.RELEASE and <2.1.0.M1",
            "3.0.4.RELEASE": "Spring Boot >=2.1.0.M1 and <2.2.0.M1",
            "3.1.1.RELEASE": "Spring Boot >=2.2.0.M1 and <2.4.0-M1"
        }
    }
}

根据以下依据：

"Hoxton.SR7": "Spring Boot >=2.2.0.M4 and <2.3.4.BUILD-SNAPSHOT"

可知，springCloud的Hoxton.SR7版本对应spring Boot的版本范围是Spring Boot >=2.2.0.M4 and <2.3.4.BUILD-SNAPSHOT。

此网站返回内容，除了包含springCloud和springBoot的版本对应关系，还有其他组件和springBoot之间的版本对应关系，如下为mybatis和springBoot的兼容版本：

"mybatis": {
    "2.0.1": "Spring Boot >=2.0.0.RELEASE and <2.1.0.RELEASE",
    "2.1.3": "Spring Boot >=2.1.0.RELEASE and <2.4.0-M1"
}