dalong_mall/checkstyle/GeekCheckStyle.xml

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE module PUBLIC
        "-//Checkstyle//DTD Checkstyle Configuration 1.3//EN"
        "https://checkstyle.org/dtds/configuration_1_3.dtd">
<module name="Checker">
    <!--编码字符集-->
    <property name="charset" value="UTF-8"/>
    <property name="severity" value="warning"/>
    <property name="fileExtensions" value="java"/>
    <module name="FileTabCharacter">
        <property name="eachLine" value="true"/>
    </module>
    <module name="FileLength">
        <property name="max" value="1000"/>
        <property name="severity" value="error"/>
    </module>
    <!--检查项规则配置-->
    <module name="TreeWalker">
        <!-- 命名检查 -->
        <module name="AbbreviationAsWordInName"/>
        <module name="AbstractClassName">
            <property name="ignoreModifier" value="true"/>
        </module>
        <module name="CatchParameterName"/>
        <module name="ClassTypeParameterName"/>
        <module name="ConstantName"/>
        <module name="InterfaceTypeParameterName">
            <property name="format" value="^[a-zA-Z]$"/>
        </module>
        <module name="LambdaParameterName"/>
        <module name="LocalFinalVariableName"/>
        <module name="LocalVariableName"/>
        <module name="MemberName">
            <property name="format" value="^[a-z][a-zA-Z0-9]*$"/>
            <property name="severity" value="error"/>
        </module>
        <module name="MethodName">
            <property name="format" value="^[a-z]([a-zA-Z0-9])*$"/>
        </module>
        <module name="MethodTypeParameterName">
            <property name="format" value="^[a-zA-Z]$"/>
        </module>
        <module name="PackageName">
            <property name="format" value="^[a-z]+(\.[a-z][a-z0-9]*)*$"/>
        </module>
        <module name="ParameterName">
            <property name="format" value="^[a-z][_a-zA-Z0-9]+$"/>
        </module>
        <module name="StaticVariableName">
            <property name="format" value="^[a-z](_?[a-zA-Z0-9]+)*$"/>
        </module>
        <module name="TypeName">
            <property name="format" value="^[A-Z](_?[a-zA-Z0-9]+)*$"/>
        </module>
        <module name="TypeName">
            <property name="format"
                      value="^I_[a-zA-Z0-9]*$"/>
            <property name="tokens"
                      value="INTERFACE_DEF"/>
        </module>
        <!--
            空格检查,该检查是为了增加代码的可读性、可维护性
        -->
        <module name="EmptyForInitializerPad">
            <property name="option" value="nospace"/>
        </module>
        <module name="EmptyForIteratorPad">
            <property name="option" value="space"/>
        </module>
        <module name="EmptyLineSeparator">
            <property name="tokens" value="VARIABLE_DEF, METHOD_DEF"/>
        </module>
        <module name="MethodParamPad">
            <property name="tokens" value="METHOD_DEF"/>
            <property name="option" value="nospace"/>
            <property name="allowLineBreaks" value="true"/>
        </module>
        <module name="NoLineWrap">
            <property name="tokens" value="IMPORT"/>
        </module>
        <module name="NoWhitespaceAfter">
            <property name="tokens" value="DOT"/>
            <property name="allowLineBreaks" value="false"/>
        </module>
        <module name="NoWhitespaceBefore">
            <property name="tokens" value="DOT"/>
            <property name="allowLineBreaks" value="true"/>
        </module>
        <module name="OperatorWrap"/>
        <module name="ParenPad"/>
        <module name="SingleSpaceSeparator"/>
        <module name="TypecastParenPad">
            <property name="option" value="space"/>
        </module>
        <module name="WhitespaceAfter">
            <property name="tokens" value="COMMA, SEMI, TYPECAST, LITERAL_ELSE"/>
        </module>
        <module name="WhitespaceAround">
            <!-- else、catch、finally、赋值符、运算符、连接符-->
            <property name="tokens" value="ASSIGN, BOR, BOR_ASSIGN, EQUAL, GE, GT, LAMBDA, LAND, LE, LITERAL_CATCH, LITERAL_ELSE, LITERAL_FINALLY, LITERAL_SYNCHRONIZED, LOR, LT, MINUS, MINUS_ASSIGN, MOD, MOD_ASSIGN, NOT_EQUAL, PLUS, PLUS_ASSIGN, QUESTION, SL, SL_ASSIGN, SR, SR_ASSIGN, STAR, STAR_ASSIGN"/>
        </module>
        <!--
            Size检查：依然是解决可读性
                方法体大小、文件大小等
        -->
        <module name="AnonInnerLength">
            <property name="max" value="80"/>
            <property name="severity" value="error"/>
        </module>
        <module name="ExecutableStatementCount"/>
        <module name="MethodCount">
            <property name="maxTotal" value="30"/>
            <property name="severity" value="error"/>
        </module>
        <module name="MethodLength">
            <property name="tokens" value="METHOD_DEF"/>
            <property name="max" value="80"/>
            <property name="countEmpty" value="false"/>
            <property name="severity" value="error"/>
        </module>
        <module name="OuterTypeNumber"/>
        <module name="ParameterNumber"/>

        <!-- NeedBraces 检查是否应该使用括号的地方没有加括号
      tokens: 定义检查的类型 -->
        <module name="NeedBraces">
            <property name="severity" value="error"/>
        </module>

        <!-- if-else嵌套语句个数 最多4层 -->
        <module name="NestedIfDepth">
            <property name="max" value="3"/>
            <property name="severity" value="error"/>
        </module>
    </module>
</module>