添加：显示上次访问时间的cookies

homework2/.idea/gradle.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>

test/servlet/.idea/workspace.xml

@@ -8,7 +8,8 @@
   </component>
   <component name="ChangeListManager">
     <list default="true" id="4dd01e6d-ac98-4220-877b-dfc51a5bbe9c" name="更改" comment="">
-      <change beforePath="$PROJECT_DIR$/.idea/misc.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/misc.xml" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/main/java/com/msksbr/test/servlet/servlet/cookies/LastAccessServlet.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../../homework2/.idea/gradle.xml" beforeDir="false" afterPath="$PROJECT_DIR$/../../homework2/.idea/gradle.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
@@ -21,6 +22,13 @@
       <ProjectState />
     </projectState>
   </component>
+  <component name="FileTemplateManagerImpl">
+    <option name="RECENT_TEMPLATES">
+      <list>
+        <option value="Class" />
+      </list>
+    </option>
+  </component>
   <component name="FormatOnSaveOptions">
     <option name="myRunOnSave" value="true" />
   </component>
@@ -41,35 +49,39 @@
   &quot;associatedIndex&quot;: 5
 }</component>
   <component name="ProjectId" id="2uCvpUspkjjEe0ld0gTakT89nEb" />
+  <component name="ProjectLevelVcsManager">
+    <ConfirmationsSetting value="2" id="Add" />
+  </component>
   <component name="ProjectViewState">
     <option name="hideEmptyMiddlePackages" value="true" />
     <option name="showLibraryContents" value="true" />
   </component>
-  <component name="PropertiesComponent">{
+  <component name="PropertiesComponent"><![CDATA[{
-  &quot;keyToString&quot;: {
+  "keyToString": {
-    &quot;Gradle.构建 servlet.executor&quot;: &quot;Run&quot;,
+    "Gradle.构建 servlet.executor": "Run",
-    &quot;RunOnceActivity.ShowReadmeOnStart&quot;: &quot;true&quot;,
+    "RunOnceActivity.ShowReadmeOnStart": "true",
-    &quot;RunOnceActivity.git.unshallow&quot;: &quot;true&quot;,
+    "RunOnceActivity.git.unshallow": "true",
-    &quot;Tomcat 服务器.Tomcat 11.0.51.executor&quot;: &quot;Run&quot;,
+    "Tomcat 服务器.Tomcat 11.0.51.executor": "Run",
-    &quot;code.cleanup.on.save&quot;: &quot;true&quot;,
+    "code.cleanup.on.save": "true",
-    &quot;git-widget-placeholder&quot;: &quot;master&quot;,
+    "git-widget-placeholder": "master",
-    &quot;kotlin-language-version-configured&quot;: &quot;true&quot;,
+    "kotlin-language-version-configured": "true",
-    &quot;node.js.detected.package.eslint&quot;: &quot;true&quot;,
+    "node.js.detected.package.eslint": "true",
-    &quot;node.js.detected.package.tslint&quot;: &quot;true&quot;,
+    "node.js.detected.package.tslint": "true",
-    &quot;node.js.selected.package.eslint&quot;: &quot;(autodetect)&quot;,
+    "node.js.selected.package.eslint": "(autodetect)",
-    &quot;node.js.selected.package.tslint&quot;: &quot;(autodetect)&quot;,
+    "node.js.selected.package.tslint": "(autodetect)",
-    &quot;nodejs_package_manager_path&quot;: &quot;npm&quot;,
+    "nodejs_package_manager_path": "npm",
-    &quot;project.structure.last.edited&quot;: &quot;模块&quot;,
+    "project.structure.last.edited": "模块",
-    &quot;project.structure.proportion&quot;: &quot;0.0&quot;,
+    "project.structure.proportion": "0.0",
-    &quot;project.structure.side.proportion&quot;: &quot;0.0&quot;,
+    "project.structure.side.proportion": "0.0",
-    &quot;rearrange.code.on.save&quot;: &quot;true&quot;,
+    "rearrange.code.on.save": "true",
-    &quot;run.code.analysis.last.selected.profile&quot;: &quot;pProject Default&quot;,
+    "run.code.analysis.last.selected.profile": "pProject Default",
-    &quot;settings.editor.selected.configurable&quot;: &quot;actions.on.save&quot;,
+    "settings.editor.selected.configurable": "reference.settingsdialog.IDE.editor.postfix.templates",
-    &quot;vue.rearranger.settings.migration&quot;: &quot;true&quot;
+    "vue.rearranger.settings.migration": "true"
   }
-}</component>
+}]]></component>
   <component name="RunManager">
     <configuration name="Tomcat 11.0.51" type="#com.intellij.j2ee.web.tomcat.TomcatRunConfigurationFactory" factoryName="Local" APPLICATION_SERVER_NAME="Tomcat 11.0.51" ALTERNATIVE_JRE_ENABLED="false">
+      <option name="OPEN_IN_BROWSER_URL" value="http://localhost:8080/Gradle___com_msksbr_test_servlet___servlet_1_0_SNAPSHOT_war" />
       <option name="UPDATING_POLICY" value="hot-swap-classes" />
       <deployment>
         <artifact name="Gradle : com.msksbr.test.servlet : servlet-1.0-SNAPSHOT.war">
@@ -161,8 +173,8 @@
   <component name="SharedIndexes">
     <attachedChunks>
       <set>
-        <option value="bundled-jdk-9823dce3aa75-a94e463ab2e7-intellij.indexing.shared.core-IU-243.25659.59" />
+        <option value="bundled-jdk-9823dce3aa75-a94e463ab2e7-intellij.indexing.shared.core-IU-243.26053.27" />
-        <option value="bundled-js-predefined-d6986cc7102b-1632447f56bf-JavaScript-IU-243.25659.59" />
+        <option value="bundled-js-predefined-d6986cc7102b-1632447f56bf-JavaScript-IU-243.26053.27" />
       </set>
     </attachedChunks>
   </component>
@@ -177,6 +189,7 @@
       <workItem from="1741765555514" duration="727000" />
       <workItem from="1742184110126" duration="1297000" />
       <workItem from="1742185427721" duration="1266000" />
+      <workItem from="1742790706226" duration="2930000" />
     </task>
     <servers />
   </component>

test/servlet/src/main/java/com/msksbr/test/servlet/servlet/cookies/LastAccessServlet.java

@@ -0,0 +1,67 @@
+package com.msksbr.test.servlet.servlet.cookies;
+
+import jakarta.servlet.ServletException;
+import jakarta.servlet.annotation.WebServlet;
+import jakarta.servlet.http.Cookie;
+import jakarta.servlet.http.HttpServlet;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+
+import java.io.IOException;
+import java.net.URLDecoder;
+import java.net.URLEncoder;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+@WebServlet(
+        name = "lastAccessServlet",
+        urlPatterns = "/cookies/last-access-servlet"
+)
+public class LastAccessServlet extends HttpServlet {
+    private static final long serialVersionUID = 1L;
+
+    public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        response.setContentType("text/html;charset=UTF-8");
+        Cookie[] cookies = request.getCookies();
+        boolean flag = false;
+        if (cookies.length > 0 && cookies != null) {
+            for (Cookie cookie : cookies) {
+                String name = cookie.getName();
+                if ("lastTime".equals(name)) {
+                    flag = true;
+                    String value = cookie.getValue();
+                    System.out.println("解码前：" + value);
+                    value = URLDecoder.decode(value, "UTF-8");
+                    cookie.setValue("解码后：" + value);
+                    response.getWriter().write("欢迎回来，您上次访问时间" + "为：" + value);
+                    Date date = new Date();
+                    SimpleDateFormat timesdf = new SimpleDateFormat("yyyy年MM" + "月dd日 HH:mm:ss");
+                    String str_time = timesdf.format(date);
+                    System.out.println("编码前：" + str_time);
+                    str_time = URLEncoder.encode(str_time, "UTF-8");
+                    System.out.println("编码后：" + str_time);
+                    cookie.setValue(str_time);
+                    cookie.setMaxAge(60 * 60 * 24 * 30);
+                    response.addCookie(cookie);
+                    break;
+                }
+            }
+            if (cookies == null || cookies.length == 0 || !flag) {
+                Date date = new Date();
+                SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日" + "HH:mm:ss");
+                String str_date = sdf.format(date);
+                System.out.println("编码前：" + str_date);
+                str_date = URLEncoder.encode(str_date, "UTF-8");
+                System.out.println("编码后：" + str_date);
+                Cookie cookie = new Cookie("lastTime", str_date);
+                cookie.setMaxAge(60 * 60 * 24 * 30);
+                response.addCookie(cookie);
+                response.getWriter().write("您好，欢迎您首次访问");
+            }
+        }
+    }
+
+    public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        this.doPost(request, response);
+    }
+}