1、插件市场安装插件

2、配置环境

Ctrl + Shift + P

配置settings.json 

{
    "java.compile.nullAnalysis.mode": "automatic",
    "java.configuration.updateBuildConfiguration": "automatic",
    "java.configuration.maven.userSettings": "D:\\develop\\maven\\apache-maven-3.9.9\\conf\\settings.xml",
    "java.debug.settings.hotCodeReplace": "auto",
    "java.dependency.packagePresentation": "hierarchical",
    "java.configuration.runtimes": [
        {
            "name": "JavaSE-1.8",
            "path": "C:\\Program Files\\Java\\jdk-1.8",
            "default": false
        },
        {
            "name": "JavaSE-17",
            "path": "C:\\Program Files\\Java\\jdk-17",
            "default": true
        }
    ],
    "java.jdt.ls.java.home": "C:\\Program Files\\Java\\jdk-17",
    "java.configuration.maven.globalSettings": "D:\\develop\\maven\\apache-maven-3.9.9\\conf\\settings.xml",
    "workbench.settings.applyToAllProfiles": [
        "java.configuration.maven.globalSettings",
        "java.configuration.maven.userSettings"
    ]
    
}