处理子包路径为空.

#6994

Author: nieqiurong

mybatis-plus-generator/src/main/java/com/baomidou/mybatisplus/generator/config/PackageConfig.java

@@ -117,7 +117,7 @@ public String getParent() {
     @NotNull
     public String joinPackage(String subPackage) {
         String parent = getParent();
-        return StringUtils.isBlank(parent) ? subPackage : (parent + StringPool.DOT + subPackage);
+        return StringUtils.isBlank(parent) ? subPackage : (parent + (StringUtils.isBlank(subPackage) ? StringPool.EMPTY : StringPool.DOT + subPackage));
     }
 
     /**

mybatis-plus-generator/src/test/java/com/baomidou/mybatisplus/generator/config/PackageConfigTest.java

@@ -19,6 +19,8 @@ void joinPackageTest() {
         Assertions.assertEquals("com.baomidou.mp.demo", GeneratorBuilder.packageConfigBuilder().moduleName("mp").joinPackage("demo"));
         Assertions.assertEquals("com.baomihua.demo", GeneratorBuilder.packageConfigBuilder().parent("com.baomihua").joinPackage("demo"));
         Assertions.assertEquals("com.baomihua.mp.demo", GeneratorBuilder.packageConfigBuilder().parent("com.baomihua").moduleName("mp").joinPackage("demo"));
+        Assertions.assertEquals("com.baomihua.mp", GeneratorBuilder.packageConfigBuilder().parent("com.baomihua").moduleName("mp").joinPackage(null));
+        Assertions.assertEquals("com.baomihua.mp", GeneratorBuilder.packageConfigBuilder().parent("com.baomihua").moduleName("mp").joinPackage(""));
     }
 
     private void buildAssert(PackageConfig packageConfig){