{"id":115,"date":"2025-09-10T11:27:40","date_gmt":"2025-09-10T03:27:40","guid":{"rendered":"http:\/\/caihh.top\/?p=115"},"modified":"2025-09-11T20:26:20","modified_gmt":"2025-09-11T12:26:20","slug":"java-thread%e5%a4%9a%e7%ba%bf%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/caihh.top\/index.php\/2025\/09\/10\/java-thread%e5%a4%9a%e7%ba%bf%e7%a8%8b\/","title":{"rendered":"Java.Thread(\u591a\u7ebf\u7a0b)"},"content":{"rendered":"\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>\u7ebf\u7a0b<em>\u7b80\u4ecb<\/em><\/strong><\/summary>\n<p> \u591a\u4efb\u52a1\u3001\u591a\u7ebf\u7a0b\u3001 \u7a0b\u5e8f.\u8fdb\u7a0b.\u7ebf\u7a0b\u3001 Process\u4e0eThread<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fdb\u7a0b\u662f\u7cfb\u7edf\u8d44\u6e90\u5206\u914d\u7684\u5355\u4f4d\uff0c\u8fdb\u7a0b\u53ef\u4ee5\u6709\u591a\u4e2a\u7ebf\u7a0b\uff08\u81f3\u5c11\u6709\u4e00\u4e2a\u7ebf\u7a0b\uff09<\/li>\n\n\n\n<li><strong>\u771f\u6b63\u6267\u884c\u7684\u662f\u7ebf\u7a0b<\/strong><\/li>\n\n\n\n<li>\u7ebf\u7a0b\u5c31 \u662f\u72ec\u7acb\u7684\u6267\u884c\u8def\u5f84<\/li>\n\n\n\n<li>\u5728\u7a0b\u5e8f\u8fd0\u884c\u65f6\uff0c\u5373\u4f7f\u6ca1\u6709\u81ea\u5df1\u521b\u5efa\u7ebf\u7a0b\uff0c\u540e\u53f0\u4e5f\u4f1a\u6709\u591a\u4e2a\u7ebf\u7a0b\uff0c\u5982\u4e3b\u7ebf\u7a0b\uff0cgc\u7ebf\u7a0b\uff1b<\/li>\n\n\n\n<li>main()\u79f0\u4e4b\u4e3a\u4e3b\u7ebf\u7a0b\uff0c\u4e3a\u7cfb\u7edf\u7684\u5165\u53e3\uff0c\u7528\u4e8e\u6267\u884c\u6574\u4e2a\u7a0b\u5e8f<\/li>\n\n\n\n<li>\u5728\u4e00\u4e2a\u8fdb\u7a0b\u4e2d\uff0c\u5982\u679c\u5f00\u8f9f\u4e86\u591a\u4e2a\u7ebf\u7a0b\uff0c\u7ebf\u7a0b\u7684\u8fd0\u884c\u7531\u8c03\u5ea6\u5668\u5b89\u6392\u8c03\u5ea6\uff0c\u8c03\u5ea6\u5668\u662f\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u7d27\u5bc6\u76f8\u5173\u7684\uff0c\u5148\u540e\u987a\u5e8f\u662f\u4e0d\u80fd\u4eba\u4e3a\u7684\u5e72\u9884\u7684\u3002<\/li>\n\n\n\n<li>\u5bf9\u540c\u4e00\u4efd\u8d44\u6e90\u64cd\u4f5c\u65f6\uff0c\u4f1a\u5b58\u5728\u8d44\u6e90\u62a2\u593a\u7684\u95ee\u9898\uff0c\u9700\u8981\u52a0\u5165\u5e76\u53d1\u63a7\u5236\u3002<\/li>\n\n\n\n<li>\u7ebf\u7a0b\u4f1a\u5e26\u6765\u989d\u5916\u7684\u5f00\u9500\uff0c\u5982cpu\u8c03\u5ea6\u65f6\u95f4\uff0c\u5e76\u53d1\u63a7\u5236\u5f00\u9500\u3002<\/li>\n\n\n\n<li>\u6bcf\u4e2a\u7ebf\u7a0b\u5728\u81ea\u5df1\u7684\u5de5\u4f5c\u5185\u5b58\u4ea4\u4e92\uff0c\u5185\u5b58\u63a7\u5236\u4e0d\u5f53\u4f1a\u9020\u6210\u6570\u636e\u4e0d\u4e00\u81f4\u3002<\/li>\n<\/ul>\n<\/details>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ebf\u7a0b\u521b\u5efa\uff08Thread\u3001<strong>Runnable<\/strong>\u3001Callable\uff09<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">Thread<\/h2>\n\n\n\n<p>\u81ea\u5b9a\u4e49\u7ebf\u7a0b\u7c7b\u7ee7\u627fThread\u7c7b<\/p>\n\n\n\n<p>\u91cd\u5199run()\u65b9\u6cd5\uff0c\u7f16\u5199\u7ebf\u7a0b\u6267\u884c\u4f53<\/p>\n\n\n\n<p>\u521b\u5efa\u7ebf\u7a0b\u5bf9\u8c61\uff0c\u8c03\u7528start()\u65b9\u6cd5\u542f\u52a8\u7ebf\u7a0b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code> package com.kuang.demo01;\n\n<em>\/\/\u521b\u5efa\u7ebf\u7a0b\u65b9\u6cd5\u4e00\uff1a\u7ee7\u627fThread\u7c7b\uff0c\u91cd\u5199run()\u65b9\u6cd5\uff0c\u8c03\u7528start\u5f00\u542f\u7ebf\u7a0b\n\/\/\u603b\u7ed3\uff1a\u6ce8\u610f\uff0c\u7ebf\u7a0b\u5f00\u542f\u4e0d\u4e00\u5b9a\u7acb\u5373\u6267\u884c\uff0c\u7531cpu\u8c03\u5ea6\u6267\u884c\n<\/em>public class TestThread1 extends Thread{\n    @Override\n    public void run() {\n        <em>\/\/run\u65b9\u6cd5\u7ebf\u7a0b\u4f53\n        <\/em>for (int i = 0; i &lt; 3; i++) {\n            System.<em>out<\/em>.println(\"\u6211\u5728\u770b\u4ee3\u7801\"+i);\n        }\n    }\n\n    public static void main(String&#91;] args) {\n        <em>\/\/main\u7ebf\u7a0b\uff0c\u4e3b\u7ebf\u7a0b\n\n        \/\/\u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b\u5bf9\u8c61\n        <\/em>TestThread1 testThread1=new TestThread1();\n\n        <em>\/\/\u8c03\u7528start()\u65b9\u6cd5\u5f00\u542f\u7ebf\u7a0b\n        <\/em>testThread1.start();\n\n        for (int i = 0; i &lt; 3; i++) {\n            System.<em>out<\/em>.println(\"\u6211\u5728\u5b66\u4e60\u591a\u7ebf\u7a0b\"+i);\n        }\n    }\n}\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9e\u64cd\u6848\u4f8b<\/h2>\n\n\n\n<p><a href=\"https:\/\/commons.apache.org\/proper\/commons-io\/download_io.cgi\">https:\/\/commons.apache.org\/proper\/commons-io\/download_io.cgi<\/a> \u4e0b\u8f7dcommons io 2.20.0<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>package com.kuang.demo01;<br>import org.apache.commons.io.FileUtils;<br><br>import java.io.File;<br>import java.io.IOException;<br>import java.net.URL;<br><br><em>\/\/<\/em><em>\u7ec3\u4e60<\/em><em>Thread,<\/em><em>\u5b9e\u73b0\u591a\u7ebf\u7a0b\u540c\u6b65\u4e0b\u8f7d\u56fe\u7247<br><\/em>public class TestThread2 extends Thread {<br>    private String url;<em>\/\/<\/em><em>\u7f51\u7edc\u56fe\u7247\u5730\u5740<br><\/em><em>    <\/em>private String name;<em>\/\/<\/em><em>\u4fdd\u5b58\u7684\u6587\u4ef6<br><\/em><em><br><\/em><em>    <\/em>public TestThread2(String url,String name){<br>        this.url=url;<br>        this.name=name;<br>    }<br>    <em>\/\/<\/em><em>\u4e0b\u8f7d\u56fe\u7247\u7ebf\u7a0b\u7684\u6267\u884c\u4f53<br><\/em><em>    <\/em>@Override<br>    public void run(){<br>        WebDownloader webDownloader = new WebDownloader();<br>        webDownloader.downloader(url,name);<br>        System.<em>out<\/em>.println(\"\u4e0b\u8f7d\u4e86\u6587\u4ef6\u540d\u4e3a\uff1a\"+name);<br>    }<br><br>    public static void main(String&#91;] args) {<br>        TestThread2 t1 = new TestThread2(\"http:\/\/caihh.top\/wp-content\/uploads\/2025\/09\/\u5fae\u4fe1\u56fe\u7247_2025-08-08_112248_715.jpg\",\"1.jpg\");<br>        TestThread2 t2 = new TestThread2(\"http:\/\/caihh.top\/wp-content\/uploads\/2025\/08\/4C574063231A3C7637416431A2541E2C-scaled.jpg\",\"2.jpg\");<br>TestThread2 t3 = new TestThread2(\"http:\/\/caihh.top\/wp-content\/uploads\/2025\/08\/CECDA640430CC9F9DA469869350548F9.png\",\"3.jpg\");<br>        t1.start();<br>        t2.start();<br>        t3.start();<br><br>    }<br>}<br><br><em>\/\/<\/em><em>\u4e0b\u8f7d\u5668<br><\/em>class WebDownloader{<br>    <em>\/\/<\/em><em>\u4e0b\u8f7d\u65b9\u6cd5<br><\/em><em>    <\/em>public void downloader(String url,String name){<br>      try {<br>          FileUtils.<em>copyURLToFile<\/em>(new URL(url),new File(name));<br>      }catch (IOException e){<br>          e.printStackTrace();<br>          System.<em>out<\/em>.println(\"IO\u5f02\u5e38\uff0cdownloader\u65b9\u6cd5\u51fa\u73b0\u95ee\u9898\");<br><br>      }<br>      }<br>}<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Runnable<\/h2>\n\n\n\n<p>\u5b9a\u4e49MyRunnable\u7c7b\u5b9e\u73b0<strong>Runnable<\/strong>\u63a5\u53e3<\/p>\n\n\n\n<p><strong>\u5b9e\u73b0run()<\/strong>\u65b9\u6cd5\uff0c\u7f16\u5199\u7ebf\u7a0b\u6267\u884c\u4f53<\/p>\n\n\n\n<p>\u521b\u5efa\u7ebf\u7a0b\u5bf9\u8c61\uff0c\u8c03\u7528<strong>start()<\/strong>\u65b9\u6cd5\u542f\u52a8\u7ebf\u7a0b<\/p>\n\n\n\n<p><strong>\u7ebf\u7a0b\u5b9e\u73b0\uff08\u91cd\u70b9\uff09<\/strong><\/p>\n\n\n\n<p>\u7ebf\u7a0b\u72b6\u6001<\/p>\n\n\n\n<p><strong>\u7ebf\u7a0b\u540c\u6b65\uff08\u91cd\u70b9\uff09<\/strong><\/p>\n\n\n\n<p>\u7ebf\u7a0b\u901a\u4fe1\u95ee\u9898<\/p>\n\n\n\n<p>\u9ad8\u7ea7\u4e3b\u9898<\/p>\n\n\n<div class=\"wp-block-post-author-name\">CAI<\/div>\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u7ebf\u7a0b\u521b\u5efa\uff08Thread\u3001Runnable\u3001Callable\uff09 Thread \u81ea\u5b9a\u4e49\u7ebf\u7a0b\u7c7b\u7ee7\u627fThread\u7c7b \u91cd [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":118,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-115","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-learn"],"_links":{"self":[{"href":"https:\/\/caihh.top\/index.php\/wp-json\/wp\/v2\/posts\/115","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/caihh.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/caihh.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/caihh.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/caihh.top\/index.php\/wp-json\/wp\/v2\/comments?post=115"}],"version-history":[{"count":9,"href":"https:\/\/caihh.top\/index.php\/wp-json\/wp\/v2\/posts\/115\/revisions"}],"predecessor-version":[{"id":131,"href":"https:\/\/caihh.top\/index.php\/wp-json\/wp\/v2\/posts\/115\/revisions\/131"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/caihh.top\/index.php\/wp-json\/wp\/v2\/media\/118"}],"wp:attachment":[{"href":"https:\/\/caihh.top\/index.php\/wp-json\/wp\/v2\/media?parent=115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/caihh.top\/index.php\/wp-json\/wp\/v2\/categories?post=115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/caihh.top\/index.php\/wp-json\/wp\/v2\/tags?post=115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}