{"id":4269,"date":"2019-05-23T16:19:42","date_gmt":"2019-05-23T08:19:42","guid":{"rendered":"http:\/\/www.xttblog.com\/?p=4269"},"modified":"2019-05-23T16:19:42","modified_gmt":"2019-05-23T08:19:42","slug":"%e6%89%8b%e6%8a%8a%e6%89%8b%e6%95%99%e4%bd%a0%e6%92%b8%e4%b8%80%e4%b8%aa-tomcat-%e6%9c%8d%e5%8a%a1%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=4269","title":{"rendered":"\u624b\u628a\u624b\u6559\u4f60\u64b8\u4e00\u4e2a Tomcat \u670d\u52a1\u5668"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u8fd8\u8bb0\u5f97\u524d\u9762\u6211\u4e00\u7bc7\u6587\u7ae0\u4e2d\u7684\u90a3\u4efd\u7b80\u5386\uff0c\u795e\u4e00\u6837\u7684\u5b58\u5728\u3002\u5f88\u591a\u4eba\u8ba4\u4e3a\u5f88\u96be\uff0c\u4f46\u5176\u5b9e\u4f60\u4e5f\u53ef\u4ee5\u505a\u5230\u3002\u8d70\u4e0d\u4e00\u6837\u7684\u8def\uff0c\u4eca\u5929\u6211\u4eec\u4e00\u8d77\u624b\u628a\u624b\u7684\u64b8\u4e00\u4e2a Tomcat \u5427\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f60\u8981\u64b8\u4e00\u4e2a Tomcat\uff0c\u4f60\u9996\u5148\u5f97\u77e5\u9053 Tomcat \u5e72\u4e86\u54ea\u4e9b\u4e8b\u3002\u6211\u4eec\u64b8\u7684\u7b80\u5355\u70b9\uff0c\u5c31\u662f\u628a Tomcat \u89e3\u6790 Http \u534f\u8bae\uff0c\u5c01\u88c5 Request \u548c Response\uff0c\u8c03\u7528 Servlet \u8fd9\u4e00\u5757\u6838\u5fc3\u7ed9\u641e\u51fa\u6765\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u660e\u767d\u8fd9\u4e00\u70b9\u540e\uff0c\u6211\u4eec\u5148\u6765\u5199\u4e00\u4e2a Socket\uff0c\u76d1\u542c\u7aef\u53e3\uff0c\u89e3\u6790\u5c01\u88c5\u8bf7\u6c42\u548c\u54cd\u5e94\u5bf9\u8c61\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class TomcatMain {\n    \/\/ \u5b58\u50a8 Servlet\uff0c\u76f8\u5f53\u4e8e\u5728 web.xml \u4e2d\u914d\u7f6e Servlet\n    private Map&lt;String, String&gt; servletMaps = new HashMap&lt;&gt;();\n    public TomcatMain(){\n        loadXml();\n    }\n    private void loadXml(){\n        servletMaps.put(\"\/xttblog\",\"com.xttblog.tomcat.HelloServlet\");\n    }\n    public void start() {\n        ServerSocket server = null;\n        try {\n            server = new ServerSocket(8089);\n            System.out.println(\"server on port 8080 is running...\");\n            while (true) {\n                Socket client = server.accept();\n                requestAndResponseHandle(new XttblogRequest(client.getInputStream()),\n                        new XttblogResponse(client.getOutputStream()));\n                client.close();\n            }\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n    }\n    private void requestAndResponseHandle(XttblogRequest request,\n        XttblogResponse response) {\n        String className = servletMaps.get(request.getUrl());\n        if (className != null) {\n            try {\n                Class cls = Class.forName(className);\n                XttblogServlet myServlet = (XttblogServlet) cls.newInstance();\n                myServlet.service(request, response);\n            } catch (Exception e){\n                e.printStackTrace();\n            }\n        }\n    }\n    public static void main(String[] args) {\n        TomcatMain tomcat = new TomcatMain();\n        tomcat.start();\n    }\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee3\u7801\u5f88\u7b80\u5355\uff0c\u8bfb\u53d6 Web.xml \u8fd9\u4e00\u5757\u5ffd\u7565\uff0c\u76f8\u5f53\u4e8e\u76f4\u63a5\u8bfb\u53d6\u5230\u4e86 Map \u4e2d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u540e\u662f\u8bf7\u6c42 Request \u90e8\u5206\u7684\u4ee3\u7801\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class XttblogRequest {\n    private String url;\n    private String method;\n    public XttblogRequest(InputStream is) throws IOException {\n        byte[] content = new byte[1024];\n        int readLen = is.read(content);\n        if (readLen &gt; 0) {\n            String s = new String(content, 0, readLen);\n            String[] ss = s.split(\"\\\\s\");\n            url = ss[1];\n            switch (ss[0]) {\n                case \"GET\": {\n                    method = \"GET\";\n                    break;\n                } case \"POST\": {\n                    method = \"POST\";\n                    break;\n                }\n            }\n        }\n    }\n    public String getUrl() {\n        return url;\n    }\n    public String getMethod() {\n        return method;\n    }\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u518d\u63a5\u7740\u5c01\u88c5 Response\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class XttblogResponse {\n    private OutputStream os;\n    public XttblogResponse(OutputStream os) {\n        this.os = os;\n    }\n    public void write(String content) throws IOException {\n        StringBuilder sbd = new StringBuilder(128);\n        String line = \"\\r\\n\";\n        sbd.append(\"HTTP\/1.0 200 \").append(line)\n                .append(\"Content-Type:text\/html\").append(line)\n                .append(line)\n                .append(\"&lt;html&gt;&lt;body&gt;\")\n                .append(content)\n                .append(\"&lt;\/body&gt;&lt;\/html&gt;\");\n        os.write(sbd.toString().getBytes());\n    }\n    public void close() throws IOException {\n        os.close();\n    }\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u7740\u662f XttblogServlet \u63a5\u53e3\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public abstract class XttblogServlet {\n    public abstract void doGet(XttblogRequest request, \n        XttblogResponse response) throws Exception;\n    public abstract void doPost(XttblogRequest request, \n        XttblogResponse response) throws Exception;\n    public void service(XttblogRequest request, \n        XttblogResponse response) throws Exception{\n        String method = request.getMethod();\n        switch (method) {\n            case \"GET\": {\n                doGet(request, response);\n                break;\n            }case \"POST\": {\n                doPost(request, response);\n                break;\n            }\n        }\n    }\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u540e\u4e00\u6b65\uff0c\u5199\u4e2a Servlet \u6d4b\u8bd5\u6211\u4eec\u7684 Tomcat\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class HelloServlet extends XttblogServlet{\n    @Override\n    public void doGet(XttblogRequest request, \n        XttblogResponse response) throws Exception {\n        String say = request.getMethod() + \" request,www.xttblog.com say hello\";\n        System.out.println(say);\n        response.write(say);\n    }\n    @Override\n    public void doPost(XttblogRequest request, \n        XttblogResponse response) throws Exception {\n        String say = request.getMethod() + \" request,www.xttblog.com say hello\";\n        System.out.println(say);\n        response.write(say);\n    }\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u81f3\u6b64\uff0c\u4ee3\u7801\u5168\u90e8\u64b8\u5b8c\u3002\u6211\u4eec main \u65b9\u6cd5\u542f\u52a8\u9879\u76ee\u3002\u6d4f\u89c8\u5668\u91cc\u8f93\u5165 http:\/\/localhost:8089\/xttblog\uff0c\u8bf7\u6c42\u54cd\u5e94\u5b8c\u7f8e\u652f\u6301\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/wx1.sinaimg.cn\/large\/8fa5dcfcgy1g3bbcqu0zhj20d1091t9w.jpg\" alt=\"\" \/><figcaption>\u624b\u628a\u624b\u6559\u4f60\u64b8\u4e00\u4e2a Tomcat \u670d\u52a1\u5668<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u9762\u7684\u4ee3\u7801\u5f88\u7b80\u5355\uff0c\u4f46 Tomcat \u5e76\u4e0d\u7b80\u5355\u3002Tomcat \u8fd8\u6709\u5f88\u591a\u529f\u80fd\uff0c\u91cc\u9762\u4e5f\u7528\u5230\u4e86\u5f88\u591a\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u7ebf\u7a0b\u6c60\uff0c\u96c6\u7fa4\uff0c\u865a\u62df\u76ee\u5f55\u7b49\u5404\u79cd\u529f\u80fd\u3002\u60f3\u8981\u4e86\u89e3\u66f4\u591a\uff0c\u53ef\u4ee5\u9605\u8bfb Tomcat \u6e90\u7801\u6216\u8005\u626b\u7801\u4e0b\u65b9\u6d77\u62a5\u4e0a\u7684\u4e8c\u7ef4\u7801\uff0c\u6211\u4eec\u4e00\u8d77\u5728\u6781\u5ba2\u65f6\u95f4\u4e0a\u5b66\u4e60 Tomcat\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/wx1.sinaimg.cn\/large\/8fa5dcfcgy1g3bbmj0cr3j20u01hcjxf.jpg\" alt=\"\" \/><figcaption>\u6781\u5ba2\u65f6\u95f4\u300a\u6df1\u5165\u62c6\u89e3Tomcat &amp;Jetty\u300b\u626b\u6d77\u62a5\u4e8c\u7ef4\u7801\u8d2d\u4e70\u540e\u8fd4\u73b024\uff0c\u8bf7\u52a0\u5fae\u4fe1 xttblog<\/figcaption><\/figure><\/div>\n<!-- <audio autoplay=\"autoplay\" height=\"100\" width=\"100\" hidden=\"true\"><source src=\"https:\/\/c.coka.la\/orAvPR.mp3\" type=\"audio\/mp3\"\/><\/audio><img decoding=\"async\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/ws3.sinaimg.cn\/large\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/> --><p><!-- <img decoding=\"async\" src=\"https:\/\/raw.githubusercontent.com\/xmt1139057136\/xttblog\/master\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/>--><img decoding=\"async\" src=\"https:\/\/saas.51autoparts.cn\/api\/admin\/sys-file\/oss\/file?fileName=84db51f8561e448f9a4fda2eff0811f9.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/><\/p><p>\u6700\u540e\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u4e2a\u4eba\u5fae\u4fe1\u516c\u4f17\u53f7\uff1a\u4e1a\u4f59\u8349\uff08yyucao\uff09\uff01<b>\u53ef\u52a0\u4f5c\u8005\u5fae\u4fe1\u53f7\uff1a<font color=\"red\">xttblog2<\/font>\u3002\u5907\u6ce8\uff1a\u201c1\u201d\uff0c\u6dfb\u52a0\u535a\u4e3b\u5fae\u4fe1\u62c9\u4f60\u8fdb\u5fae\u4fe1\u7fa4\u3002\u5907\u6ce8\u9519\u8bef\u4e0d\u4f1a\u540c\u610f\u597d\u53cb\u7533\u8bf7\u3002<\/b>\u518d\u6b21\u611f\u8c22\u60a8\u7684\u5173\u6ce8\uff01\u540e\u7eed\u6709\u7cbe\u5f69\u5185\u5bb9\u4f1a\u7b2c\u4e00\u65f6\u95f4\u53d1\u7ed9\u60a8\uff01\u539f\u521b\u6587\u7ae0\u6295\u7a3f\u8bf7\u53d1\u9001\u81f3532009913@qq.com\u90ae\u7bb1\u3002\u5546\u52a1\u5408\u4f5c\u4e5f\u53ef\u6dfb\u52a0\u4f5c\u8005\u5fae\u4fe1\u8fdb\u884c\u8054\u7cfb\uff01<\/p><p>\u672c\u6587\u539f\u6587\u51fa\u5904\uff1a<a href=\"https:\/\/www.xttblog.com\">\u4e1a\u4f59\u8349<\/a>\uff1a &raquo; <a href=\"https:\/\/www.xttblog.com\/?p=4269\">\u624b\u628a\u624b\u6559\u4f60\u64b8\u4e00\u4e2a Tomcat \u670d\u52a1\u5668<\/a><\/p><!-- <div class=\"bd-reward-stl\"><button id=\"bdRewardBtn\"><span><\/span><\/button><\/div> -->","protected":false},"excerpt":{"rendered":"<p>\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u8fd8\u8bb0\u5f97\u524d\u9762\u6211\u4e00\u7bc7\u6587\u7ae0\u4e2d\u7684\u90a3\u4efd\u7b80\u5386\uff0c\u795e\u4e00\u6837\u7684\u5b58\u5728\u3002\u5f88\u591a\u4eba\u8ba4\u4e3a\u5f88\u96be\uff0c\u4f46\u5176\u5b9e\u4f60\u4e5f\u53ef\u4ee5\u505a\u5230\u3002\u8d70\u4e0d\u4e00\u6837\u7684\u8def [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[240,1373,112,242,239],"class_list":["post-4269","post","type-post","status-publish","format-standard","hentry","category-java","tag-log4jtomcat","tag-servlet","tag-tomcat","tag-tomcat-juli-jar"],"_links":{"self":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/4269","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4269"}],"version-history":[{"count":1,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/4269\/revisions"}],"predecessor-version":[{"id":4270,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/4269\/revisions\/4270"}],"wp:attachment":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}