十、.net core（.NET 6）搭建ElasticSearch(ES)系列之Java环境搭建和Node.js环境搭建
<p> </p><p>安装<span style="font-family: "Times New Roman"">java jdk</span><span style="font-family: 宋体">环境：我此处使用的是</span><span style="font-family: "Times New Roman"">jdk16</span><span style="font-family: 宋体">版本。下载地址：</span></p>
<p>https://www.oracle.com/java/technologies/javase-jdk16-downloads.html</p>
<p>然后运行，直接默认都是下一步进行安装：</p>
<p> <img src="https://img2020.cnblogs.com/blog/1995789/202106/1995789-20210605121638344-720852506.png" alt="" loading="lazy"></p>
<p> </p>
<p>安装完成以后，打开<span style="font-family: "Times New Roman"">CMD</span><span style="font-family: 宋体">，输入</span><span style="font-family: "Times New Roman"">java</span><span style="font-family: 宋体">和</span><span style="font-family: "Times New Roman"">javac</span><span style="font-family: 宋体">，如果能够弹出一堆操作提示符，就代表安装成功：</span></p>
<p> <img src="https://img2020.cnblogs.com/blog/1995789/202106/1995789-20210605121646985-647255013.png" alt="" loading="lazy"></p>
<p> </p>
<p>接下来就是配置<span style="font-family: "Times New Roman"">Java</span><span style="font-family: 宋体">环境变量了。</span><span style="font-family: "Times New Roman"">Jdk11</span><span style="font-family: 宋体">以上的版本，默认没有</span><span style="font-family: "Times New Roman"">Jre</span><span style="font-family: 宋体">文件夹，需要手动通过</span><span style="font-family: "Times New Roman"">Jlink</span><span style="font-family: 宋体">来生成有关的</span><span style="font-family: "Times New Roman"">Jre</span><span style="font-family: 宋体">目录：</span></p>
<p> <img src="https://img2020.cnblogs.com/blog/1995789/202106/1995789-20210605121733446-963220946.png" alt="" loading="lazy"></p>
<p> </p>
<p>通过<span style="font-family: "Times New Roman"">Jlink</span><span style="font-family: 宋体">来创建</span><span style="font-family: "Times New Roman"">Jre</span><span style="font-family: 宋体">文件目录方法：使用管理员权限，打开</span><span style="font-family: "Times New Roman"">windows powershell</span><span style="font-family: 宋体">命令提示符，然后定位到</span><span style="font-family: "Times New Roman"">java</span><span style="font-family: 宋体">安装目录下</span><span style="font-family: "Times New Roman"">(</span><span style="font-family: 宋体">上图所在目录</span><span style="font-family: "Times New Roman"">)</span><span style="font-family: 宋体">。</span></p>
<p>然后使用命令：<span style="font-family: "Times New Roman"">.\bin\jlink.exe --module-path jmods --add-modules java.desktop --output jre</span></p>
<p>执行以后，就可以生成<span style="font-family: "Times New Roman"">jre</span><span style="font-family: 宋体">文件夹了：</span></p>
<p> </p>
<p> <img src="https://img2020.cnblogs.com/blog/1995789/202106/1995789-20210605121747221-1303747173.png" alt="" loading="lazy"></p>
<p> </p>
<p>然后是配置环境变量，右键计算机图标 <span style="font-family: "Times New Roman"">-> </span><span style="font-family: 宋体">属性 </span><span style="font-family: "Times New Roman"">-> </span><span style="font-family: 宋体">高级系统设置 </span><span style="font-family: "Times New Roman"">-></span><span style="font-family: 宋体">环境变量，新建一个系统变量，叫 </span><span style="font-family: "Times New Roman"">JAVA_HOME</span><span style="font-family: 宋体">，变量值是安装的路径，例如我的安装地址是如下图所示的地址。</span></p>
<p> <img src="https://img2020.cnblogs.com/blog/1995789/202106/1995789-20210605121804088-1124848638.png" alt="" loading="lazy"></p>
<p> </p>
<p>再新建一个<span style="font-family: "Times New Roman"">CLASSPATH</span><span style="font-family: 宋体">，变量值为：</span></p>
<p>.;%JAVA_HOME%\bin;%JAVA_HOME%\lib;%JAVA_HOME%\jre\lib</p>
<p> <img src="https://img2020.cnblogs.com/blog/1995789/202106/1995789-20210605121818929-1743683856.png" alt="" loading="lazy"></p>
<p>注意：该变量值开头是句点加分号 <span style="font-family: "Times New Roman"">.; </span><span style="font-family: 宋体">这个不能漏掉了。</span></p>
<p>最后，在<span style="font-family: "Times New Roman"">Ptah</span><span style="font-family: 宋体">系统变量里面，新增两个变量</span></p>
<p>值：</p>
<p> %JAVA_HOME%\bin </p>
<p> %JAVA_HOME%\jre\bin </p>
<p> <img src="https://img2020.cnblogs.com/blog/1995789/202106/1995789-20210605121839689-540119838.png" alt="" loading="lazy"></p>
<p> </p>
<p>到此，<span style="font-family: "Times New Roman"">Java</span><span style="font-family: 宋体">环境配置完毕。</span></p>
<p> </p>
<p>然后是<span style="font-family: "Times New Roman"">node.js</span><span style="font-family: 宋体">环境安装。</span><span style="font-family: "Times New Roman"">Node.js </span><span style="font-family: 宋体">下载地址：</span></p>
<p>https://nodejs.org/dist/v14.17.0/node-v14.17.0-x64.msi</p>
<p> </p>
<p>默认都是下一步。<span style="font-family: "Times New Roman"">Nodejs</span><span style="font-family: 宋体">安装时候会默认添加到环境变量，所以此处不需要新增环境变量了。验证</span><span style="font-family: "Times New Roman"">nodejs</span><span style="font-family: 宋体">是否安装成功：</span><span style="font-family: "Times New Roman"">cmd</span><span style="font-family: 宋体">打开命令提示符，输入</span><span style="font-family: "Times New Roman"">node -v </span><span style="font-family: 宋体">以及 </span><span style="font-family: "Times New Roman"">nmp -v</span><span style="font-family: 宋体">，如果有显示版本号，就代表安装成功：</span></p>
<p> <img src="https://img2020.cnblogs.com/blog/1995789/202106/1995789-20210605121855520-1914162807.png" alt="" loading="lazy"></p>
<p> </p>
<p>以上就是本节的全部内容，欢迎关注、评论、推荐或点赞<span style="font-family: "Times New Roman"">~~</span></p>
<p><span style="font-family: "Times New Roman"">版权所有，转载请注明出处：https://www.cnblogs.com/weskynet/p/14852471.html</span></p>
<p> </p>
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