日考18

bwie-test/pom.xml

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+<?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">
+    <parent>
+        <artifactId>day18</artifactId>
+        <groupId>com.bwie</groupId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>bwie-test</artifactId>
+
+    <dependencies>
+        <!-- Druid数据库连接池 -->
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>druid-spring-boot-starter</artifactId>
+            <version>1.2.8</version>
+        </dependency>
+        <!-- Mybatis 依赖配置 -->
+        <dependency>
+            <groupId>org.mybatis.spring.boot</groupId>
+            <artifactId>mybatis-spring-boot-starter</artifactId>
+            <version>2.2.2</version>
+        </dependency>
+        <!-- Mysql Connector -->
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+        </dependency>
+        <!-- web -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-test</artifactId>
+        </dependency>
+    </dependencies>
+
+</project>

bwie-test/src/main/java/com/bwie/TestApplication.java

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+package com.bwie;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+import java.math.BigDecimal;
+
+@SpringBootApplication
+public class TestApplication {
+    public static void main(String[] args) {
+        int a=10;
+        int b=20;
+
+        //1.使用BigDecimal进行加法计算,并打印在控制台上。
+        BigDecimal bigDecimal3 = BigDecimal.valueOf(a + b);
+        //2.使用BigDecimal进行减法计算,并打印在控制台上。
+        BigDecimal bigDecimal2 = BigDecimal.valueOf(a - b);
+        //3.使用BigDecimal进行乘法计算,并打印在控制台上。
+        BigDecimal bigDecimal1 = BigDecimal.valueOf(a * b);
+        //4.使用BigDecimal进行除法计算,并打印在控制台上。
+        BigDecimal bigDecimal = BigDecimal.valueOf(a / b);
+
+        System.out.println(bigDecimal);
+        System.out.println(bigDecimal1);
+        System.out.println(bigDecimal2);
+        System.out.println(bigDecimal3);
+
+    }
+}

bwie-test/src/main/java/com/bwie/test/Test.java

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+package com.bwie.test;
+
+import com.alibaba.druid.support.json.JSONUtils;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.stereotype.Component;
+
+import java.math.BigDecimal;
+
+@Component
+public class Test {
+
+    int a=10;
+    int b=20;
+
+    //1.使用BigDecimal进行加法计算,并打印在控制台上。
+    int c=a+b;
+
+    //2.使用BigDecimal进行减法计算,并打印在控制台上。
+    int d=a-b;
+    //3.使用BigDecimal进行乘法计算,并打印在控制台上。
+    int e=a*b;
+    //4.使用BigDecimal进行除法计算,并打印在控制台上。
+    int f=a/b;
+
+}

bwie-test/target/maven-archiver/pom.properties

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+artifactId=bwie-test
+groupId=com.bwie
+version=1.0-SNAPSHOT

bwie-test/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst

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+com\bwie\TestApplication.class
+com\bwie\test\Test.class

bwie-test/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst

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+D:\Users\Dell\Desktop\专高六资料\day18\bwie-test\src\main\java\com\bwie\TestApplication.java
+D:\Users\Dell\Desktop\专高六资料\day18\bwie-test\src\main\java\com\bwie\test\Test.java

day18.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4" />

pom.xml

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+<?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>com.bwie</groupId>
+    <artifactId>day18</artifactId>
+    <packaging>pom</packaging>
+    <version>1.0-SNAPSHOT</version>
+    <modules>
+        <module>bwie-test</module>
+    </modules>
+
+    <!-- 规定SpringBoot版本 -->
+    <!-- 父级pom文件 主要用于规定项目依赖的各个版本，用于进行项目版本约束 -->
+    <parent>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <groupId>org.springframework.boot</groupId>
+        <version>2.6.2</version>
+        <relativePath/>
+    </parent>
+    <!-- 依赖声明 -->
+    <dependencyManagement>
+        <dependencies>
+            <!-- SpringCloud 微服务 -->
+            <dependency>
+                <groupId>org.springframework.cloud</groupId>
+                <artifactId>spring-cloud-dependencies</artifactId>
+                <version>2021.0.0</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+            <!-- SpringCloud Alibaba 微服务 -->
+            <dependency>
+                <groupId>com.alibaba.cloud</groupId>
+                <artifactId>spring-cloud-alibaba-dependencies</artifactId>
+                <version>2021.1</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+            <!-- Alibaba Nacos 配置 -->
+            <dependency>
+                <groupId>com.alibaba.nacos</groupId>
+                <artifactId>nacos-client</artifactId>
+                <version>2.0.4</version>
+            </dependency>
+
+            <!-- 系统公共 依赖 版本号定义-->
+            <dependency>
+                <groupId>com.bwie</groupId>
+                <artifactId>bwie-common</artifactId>
+                <version>1.0-SNAPSHOT</version>
+            </dependency>
+
+        </dependencies>
+    </dependencyManagement>
+
+</project>