zookeeper实现分布式锁

JMeter工具开启一秒10个并发数，10个线程去抢5个商品数量。
Nginx负载均衡监听8001，8002端口。
利用zookeeper实现分布式锁，
查看控制台打印状态

zookeeper/zk_product/pom.properties

@@ -0,0 +1,5 @@
+#Generated by Maven
+#Wed May 25 11:34:10 CST 2022
+version=1.0-SNAPSHOT
+groupId=org.example
+artifactId=zk_product

zookeeper/zk_product/pom.xml

@@ -0,0 +1,97 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>org.example</groupId>
+    <artifactId>zk_product</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>war</packaging>
+
+    <properties>
+        <spring.version>5.2.7.RELEASE</spring.version>
+    </properties>
+    <dependencies>
+        <!-- Spring -->
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-context</artifactId>
+            <version>${spring.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-beans</artifactId>
+            <version>${spring.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-webmvc</artifactId>
+            <version>${spring.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-jdbc</artifactId>
+            <version>${spring.version}</version>
+        </dependency>
+        <!-- Mybatis -->
+        <dependency>
+            <groupId>org.mybatis</groupId>
+            <artifactId>mybatis</artifactId>
+            <version>3.5.5</version>
+        </dependency>
+        <dependency>
+            <groupId>org.mybatis</groupId>
+            <artifactId>mybatis-spring</artifactId>
+            <version>2.0.5</version>
+        </dependency>
+        <!-- 连接池 -->
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>druid</artifactId>
+            <version>1.1.10</version>
+        </dependency>
+        <!-- 数据库 -->
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>8.0.20</version>
+        </dependency>
+        <!-- junit -->
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.12</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.curator</groupId>
+            <artifactId>curator-recipes</artifactId>
+            <version>4.2.0</version> <!-- 网友投票最牛逼版本 -->
+        </dependency>
+    </dependencies>
+    <build>
+        <plugins>
+            <!-- maven内嵌的tomcat插件 -->
+            <plugin>
+                <groupId>org.apache.tomcat.maven</groupId>
+                <!-- 目前apache只提供了tomcat6和tomcat7两个插件 -->
+                <artifactId>tomcat7-maven-plugin</artifactId>
+                <version>2.2</version>
+                <configuration>
+                    <port>8002</port>
+                    <path>/</path>
+                </configuration>
+                <executions>
+                    <execution>
+                        <!-- 打包完成后,运行服务 -->
+                        <phase>package</phase>
+                        <goals>
+                            <goal>run</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>

zookeeper/zk_product/zk_product.iml

@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
+  <component name="FacetManager">
+    <facet type="web" name="Web">
+      <configuration>
+        <descriptors>
+          <deploymentDescriptor name="web.xml" url="file://$MODULE_DIR$/src/main/webapp/WEB-INF/web.xml" />
+        </descriptors>
+        <webroots>
+          <root url="file://$MODULE_DIR$/src/main/webapp" relative="/" />
+        </webroots>
+        <sourceRoots>
+          <root url="file://$MODULE_DIR$/src/main/java" />
+          <root url="file://$MODULE_DIR$/src/main/resources" />
+        </sourceRoots>
+      </configuration>
+    </facet>
+    <facet type="Spring" name="Spring">
+      <configuration />
+    </facet>
+  </component>
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_5">
+    <output url="file://$MODULE_DIR$/target/classes" />
+    <output-test url="file://$MODULE_DIR$/target/test-classes" />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
+      <excludeFolder url="file://$MODULE_DIR$/target" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="Maven: org.springframework:spring-context:5.2.7.RELEASE" level="project" />
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+    <orderEntry type="library" name="Maven: org.springframework:spring-expression:5.2.7.RELEASE" level="project" />
+    <orderEntry type="library" name="Maven: org.springframework:spring-beans:5.2.7.RELEASE" level="project" />
+    <orderEntry type="library" name="Maven: org.springframework:spring-webmvc:5.2.7.RELEASE" level="project" />
+    <orderEntry type="library" name="Maven: org.springframework:spring-web:5.2.7.RELEASE" level="project" />
+    <orderEntry type="library" name="Maven: org.springframework:spring-jdbc:5.2.7.RELEASE" level="project" />
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+  </component>
+</module>