{"id":31607,"date":"2023-02-01T07:35:21","date_gmt":"2023-11-25T04:22:41","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8-direnv-%e8%bf%9b%e8%a1%8c-java-%e7%9a%84%e5%88%87%e6%8d%a2%e3%80%82\/"},"modified":"2024-04-29T12:33:14","modified_gmt":"2024-04-29T04:33:14","slug":"%e4%bd%bf%e7%94%a8-direnv-%e8%bf%9b%e8%a1%8c-java-%e7%9a%84%e5%88%87%e6%8d%a2%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8-direnv-%e8%bf%9b%e8%a1%8c-java-%e7%9a%84%e5%88%87%e6%8d%a2%e3%80%82\/","title":{"rendered":"\u4f7f\u7528 direnv \u8fdb\u884c Java \u7684\u5207\u6362"},"content":{"rendered":"<p>direnv\u662f\u4e00\u4e2a\u53ef\u4ee5\u6839\u636e\u76ee\u5f55\u5207\u6362\u73af\u5883\u53d8\u91cf\u7684\u5de5\u5177\uff0c\u975e\u5e38\u9002\u7528\u4e8e\u540c\u65f6\u5e76\u884c\u5f00\u53d1\u591a\u4e2a\u9879\u76ee\u7684\u60c5\u51b5\u3002<\/p>\n<p>\u5982\u679c\u4f60\u4f7f\u7528Mac\u7684\u8bdd\uff0c\u5728~\/.direnvrc\u6587\u4ef6\u4e2d\u5b9a\u4e49\u4ee5\u4e0b\u51fd\u6570\u5c31\u53ef\u4ee5&#8230;<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\"># ~\/.direnvrc<\/span>\r\nuse_java<span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"o\">[<\/span> <span class=\"s2\">\"$#\"<\/span> <span class=\"nt\">-ne<\/span> 1 <span class=\"o\">]<\/span><span class=\"p\">;<\/span> <span class=\"k\">then\r\n    <\/span><span class=\"nb\">echo<\/span> <span class=\"s2\">\"usage: use java VERSION\"<\/span> <span class=\"o\">&gt;<\/span>&amp;2\r\n    <span class=\"k\">return <\/span>1\r\n  <span class=\"k\">fi\r\n  <\/span><span class=\"nb\">local <\/span>v\r\n  <span class=\"nv\">v<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"<\/span><span class=\"nv\">$1<\/span><span class=\"s2\">\"<\/span>\r\n  <span class=\"k\">if<\/span> <span class=\"o\">[<\/span> <span class=\"s2\">\"<\/span><span class=\"nv\">$v<\/span><span class=\"s2\">\"<\/span> <span class=\"nt\">-le<\/span> <span class=\"s2\">\"8\"<\/span> <span class=\"o\">]<\/span><span class=\"p\">;<\/span> <span class=\"k\">then\r\n    <\/span><span class=\"nv\">v<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"1.<\/span><span class=\"nv\">$v<\/span><span class=\"s2\">\"<\/span>\r\n  <span class=\"k\">fi\r\n  <\/span><span class=\"nb\">export <\/span><span class=\"nv\">JAVA_HOME<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"<\/span><span class=\"si\">$(<\/span>\/usr\/libexec\/java_home <span class=\"nt\">-v<\/span> <span class=\"s2\">\"<\/span><span class=\"nv\">$v<\/span><span class=\"s2\">\"<\/span><span class=\"si\">)<\/span><span class=\"s2\">\"<\/span>\r\n  PATH_add <span class=\"nv\">$JAVA_HOME<\/span>\/bin\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u6bcf\u4e2a\u9879\u76ee\u4e2d\uff0c\u53ea\u9700\u8981\u6309\u7167\u8fd9\u79cd\u65b9\u5f0f\u5199\u5c31\u53ef\u4ee5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\"># [\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea]\/.envrc<\/span>\r\nuse_java 11 <span class=\"c\"># JDK 11 \u3092\u4f7f\u3046<\/span>\r\n<\/code><\/pre>\n<p>\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0cdirenv \u8fd8\u6709\u4e00\u4e2a\uff08\u5fae\u5999\u4f46\uff09\u65b9\u4fbf\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u5c06 use_hoge \u5199\u6210 use hoge \uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code>use java 11\r\n<\/code><\/pre>\n<p>\u6b64\u5916\uff0c\u9664\u4e86Java\u8bed\u8a00\u4e4b\u5916\uff0c\u5176\u4ed6\u8bed\u8a00\u4e5f\u63d0\u4f9b\u4e86use\u65b9\u6cd5\u7684\u6807\u51c6\u652f\u6301\u3002<\/p>\n<p>https:\/\/github.com\/direnv\/direnv\/blob\/master\/stdlib.sh \u548c https:\/\/github.com\/direnv\/direnv\/blob\/master\/man\/direnv-stdlib.1.md \u7684\u5185\u5bb9\uff0c\u8bf7\u4ee5\u4e2d\u6587\u4e2d\u6700\u81ea\u7136\u7684\u65b9\u5f0f\u8f6c\u8ff0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>direnv\u662f\u4e00\u4e2a\u53ef\u4ee5\u6839\u636e\u76ee\u5f55\u5207\u6362\u73af\u5883\u53d8\u91cf\u7684\u5de5\u5177\uff0c\u975e\u5e38\u9002\u7528\u4e8e\u540c\u65f6\u5e76\u884c\u5f00\u53d1\u591a\u4e2a\u9879\u76ee\u7684\u60c5\u51b5\u3002 \u5982\u679c\u4f60\u4f7f\u7528Mac\u7684\u8bdd [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-31607","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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