新增double取多少小数点方法

ChenJiaHe

2021-04-08 e27fdf2322d691d8d795fa4a667c5363e0f8d5e2

 pom.xml

@@ -15,6 +15,18 @@

    <dependencies>

        <!--对象与XML处理-->
        <dependency>
            <groupId>javax.xml.bind</groupId>
            <artifactId>jaxb-api</artifactId>
        </dependency>

        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi-ooxml</artifactId>
            <version>3.9</version>
        </dependency>

        <!--腾讯云 cos-->
        <dependency>
            <groupId>com.qcloud</groupId>