新增枚举字典的Excel导入和导出方式

ruoyi-api/ruoyi-api-system/src/main/java/com/ruoyi/system/api/domain/SysDictData.java

@@ -2,6 +2,7 @@ package com.ruoyi.system.api.domain;
 
 import javax.validation.constraints.NotBlank;
 import javax.validation.constraints.Size;
+import com.ruoyi.system.api.emun.EnableStatusEnum;
 import org.apache.commons.lang3.builder.ToStringBuilder;
 import org.apache.commons.lang3.builder.ToStringStyle;
 import com.ruoyi.common.core.annotation.Excel;
@@ -48,8 +49,11 @@ public class SysDictData extends BaseEntity
     @Excel(name = "是否默认", readConverterExp = "Y=是,N=否")
     private String isDefault;
 
-    /** 状态（0正常 1停用） */
+    /**
-    @Excel(name = "状态", readConverterExp = "0=正常,1=停用")
+     * 状态（0正常 1停用）
+     * @see EnableStatusEnum
+     **/
+    @Excel(name = "状态", readConverterEnum = EnableStatusEnum.class)
     private String status;
 
     public Long getDictCode()

ruoyi-api/ruoyi-api-system/src/main/java/com/ruoyi/system/api/domain/SysDictType.java

@@ -3,6 +3,7 @@ package com.ruoyi.system.api.domain;
 import javax.validation.constraints.NotBlank;
 import javax.validation.constraints.Pattern;
 import javax.validation.constraints.Size;
+import com.ruoyi.system.api.emun.EnableStatusEnum;
 import org.apache.commons.lang3.builder.ToStringBuilder;
 import org.apache.commons.lang3.builder.ToStringStyle;
 import com.ruoyi.common.core.annotation.Excel;
@@ -30,8 +31,11 @@ public class SysDictType extends BaseEntity
     @Excel(name = "字典类型")
     private String dictType;
 
-    /** 状态（0正常 1停用） */
+    /**
-    @Excel(name = "状态", readConverterExp = "0=正常,1=停用")
+     * 状态（0正常 1停用）
+     * @see EnableStatusEnum
+     **/
+    @Excel(name = "状态", readConverterEnum = EnableStatusEnum.class)
     private String status;
 
     public Long getDictId()

ruoyi-api/ruoyi-api-system/src/main/java/com/ruoyi/system/api/domain/SysRole.java

@@ -4,6 +4,7 @@ import java.util.Set;
 import javax.validation.constraints.NotBlank;
 import javax.validation.constraints.NotNull;
 import javax.validation.constraints.Size;
+import com.ruoyi.system.api.emun.EnableStatusEnum;
 import org.apache.commons.lang3.builder.ToStringBuilder;
 import org.apache.commons.lang3.builder.ToStringStyle;
 import com.ruoyi.common.core.annotation.Excel;
@@ -45,8 +46,11 @@ public class SysRole extends BaseEntity
     /** 部门树选择项是否关联显示（0：父子不互相关联显示 1：父子互相关联显示 ） */
     private boolean deptCheckStrictly;
 
-    /** 角色状态（0正常 1停用） */
+    /**
-    @Excel(name = "角色状态", readConverterExp = "0=正常,1=停用")
+     * 角色状态（0正常 1停用）
+     * @see EnableStatusEnum
+     **/
+    @Excel(name = "角色状态", readConverterEnum = EnableStatusEnum.class)
     private String status;
 
     /** 删除标志（0代表存在 2代表删除） */

ruoyi-api/ruoyi-api-system/src/main/java/com/ruoyi/system/api/domain/SysUser.java

@@ -3,6 +3,7 @@ package com.ruoyi.system.api.domain;
 import java.util.Date;
 import java.util.List;
 import javax.validation.constraints.*;
+import com.ruoyi.system.api.emun.EnableStatusEnum;
 import org.apache.commons.lang3.builder.ToStringBuilder;
 import org.apache.commons.lang3.builder.ToStringStyle;
 import com.ruoyi.common.core.annotation.Excel;
@@ -55,8 +56,11 @@ public class SysUser extends BaseEntity
     /** 密码 */
     private String password;
 
-    /** 帐号状态（0正常 1停用） */
+    /**
-    @Excel(name = "帐号状态", readConverterExp = "0=正常,1=停用")
+     * 帐号状态（0正常 1停用）
+     * @see EnableStatusEnum
+     **/
+    @Excel(name = "帐号状态", readConverterEnum = EnableStatusEnum.class)
     private String status;
 
     /** 删除标志（0代表存在 2代表删除） */

ruoyi-api/ruoyi-api-system/src/main/java/com/ruoyi/system/api/emun/EnableStatusEnum.java

@@ -0,0 +1,69 @@
+package com.ruoyi.system.api.emun;
+
+import com.ruoyi.common.core.annotation.DictTag;
+
+/**
+ * ===========================================
+ * Copyright  2024 xiaoyang
+ * All rights reserved
+ * <p>项 目 名 :RuoYi-Cloud</p>
+ * <p>文 件 名 :EnableStatusEnum</p>
+ * <p>描    述 :启用状态枚举</p>
+ *
+ * @author :xiaoyang
+ * @date : 2024/1/12 20:26
+ * ============================================
+ */
+public enum EnableStatusEnum implements DictTag
+{
+    /**
+     * 正常
+     */
+    enable("0", "正常"),
+    /**
+     * 停用
+     */
+    disable("1", "停用");
+
+    private String code;
+
+    private String name;
+    ;
+
+    EnableStatusEnum(String code, String name)
+    {
+        this.code = code;
+        this.name = name;
+    }
+    @Override
+    public String getKey()
+    {
+        return code;
+    }
+    /**
+     * 获取名称
+     *
+     * @return
+     */
+    @Override
+    public String getName()
+    {
+        return name;
+    }
+    /**
+     * 获取编码
+     *
+     * @return
+     */
+    public String getCode()
+    {
+        return code;
+    }
+
+    /**
+     * 获取键(集成字典类型)
+     *
+     * @return
+     */
+
+}

ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/annotation/DictTag.java

@@ -0,0 +1,30 @@
+package com.ruoyi.common.core.annotation;
+
+/**
+ * ===========================================
+ * Copyright  2024 xiaoyang
+ * All rights reserved
+ * <p>项 目 名 :RuoYi-Cloud</p>
+ * <p>文 件 名 :DictTag</p>
+ * <p>描    述 :字典类型</p>
+ *
+ * @author :xiaoyang
+ * @date : 2024/1/12 20:27
+ * ============================================
+ */
+public interface DictTag
+{
+    /**
+     * 绑定键
+     *
+     * @return 绑定的键值
+     */
+    String getKey();
+
+    /**
+     * 绑定名称
+     *
+     * @return 绑定的名称
+     */
+    String getName();
+}

ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/annotation/Excel.java

@@ -37,6 +37,14 @@ public @interface Excel
      * 读取内容转表达式 (如: 0=男,1=女,2=未知)
      */
     public String readConverterExp() default "";
+    /**
+     * 字典转换器的枚举，该枚举需要实现DictTag标签,否则不生效
+     * <p>
+     * 枚举字典有值时,优先取枚举字典
+     *
+     * @return 字典转换枚举
+     */
+    Class<? extends Enum> readConverterEnum() default Enum.class;
 
     /**
      * 分隔符，读取字符串组内容

ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java

@@ -20,6 +20,7 @@ import java.util.Map;
 import java.util.Set;
 import java.util.stream.Collectors;
 import javax.servlet.http.HttpServletResponse;
+import com.ruoyi.common.core.annotation.DictTag;
 import org.apache.commons.lang3.ArrayUtils;
 import org.apache.commons.lang3.RegExUtils;
 import org.apache.commons.lang3.reflect.FieldUtils;
@@ -298,12 +299,30 @@ public class ExcelUtil<T>
      */
     public Map<String,String> initValueToFieldConversionMap(Excel attr){
         HashMap<String, String> conversionMap = new HashMap<>();
-        String allList = attr.readConverterExp();
+        //如果存在转换exp,提取转换exp
-        String[] split = allList.split(",");
+        if (StringUtils.isNotEmpty(attr.readConverterExp()))
-        for (String dictTagItem : split)
         {
-            String[] split1 = dictTagItem.split("=");
+            String allList = attr.readConverterExp();
-            conversionMap.put(split1[1], split1[0]);
+            String[] split = allList.split(",");
+            for (String dictTagItem : split)
+            {
+                String[] split1 = dictTagItem.split("=");
+                conversionMap.put(split1[1], split1[0]);
+            }
+        }
+        //字段转换初始化(通过枚举字段转换)
+        if (!attr.readConverterEnum().getName().equals(Enum.class.getName()))
+        {
+            Class<? extends Enum> aClass = attr.readConverterEnum();
+            Object[] enumConstants = aClass.getEnumConstants();
+            for (Object enumItem : enumConstants)
+            {
+                if (enumItem instanceof DictTag)
+                {
+                    DictTag dictTag = (DictTag) enumItem;
+                    conversionMap.put(dictTag.getName(), dictTag.getKey());
+                }
+            }
         }
         return conversionMap;
     }
@@ -361,7 +380,9 @@ public class ExcelUtil<T>
                 {
                     fieldsMap.put(column, objects);
                     //如果存在解析键值映射,则直接初始化
-                    if(StringUtils.isNotEmpty(attr.readConverterExp())){
+                    if(StringUtils.isNotEmpty(attr.readConverterExp())
+                    || !attr.readConverterEnum().getName().equals(Enum.class.getName()))
+                    {
                         Map<String, String> fieldConversionMap = initValueToFieldConversionMap(attr);
                         allFieldConversionMap.put(attr.name(),fieldConversionMap);
                     }
@@ -815,6 +836,22 @@ public class ExcelUtil<T>
             }
             fieldConversionMap.put(column, conversionMap);
         }
+        //字段转换初始化(通过枚举字段转换)
+        if (!attr.readConverterEnum().getName().equals(Enum.class.getName()))
+        {
+            HashMap<String, String> conversionMap = new HashMap<>();
+            Class<? extends Enum> aClass = attr.readConverterEnum();
+            Object[] enumConstants = aClass.getEnumConstants();
+            for (Object enumItem : enumConstants)
+            {
+                if (enumItem instanceof DictTag)
+                {
+                    DictTag dictTag = (DictTag) enumItem;
+                    conversionMap.put(dictTag.getKey(), dictTag.getName());
+                }
+            }
+            fieldConversionMap.put(column, conversionMap);
+        }
         if (isSubList())
         {
             // 填充默认样式，防止合并单元格样式失效

ruoyi-modules/ruoyi-system/src/main/java/com/ruoyi/system/domain/SysPost.java

@@ -3,6 +3,7 @@ package com.ruoyi.system.domain;
 import javax.validation.constraints.NotBlank;
 import javax.validation.constraints.NotNull;
 import javax.validation.constraints.Size;
+import com.ruoyi.system.api.emun.EnableStatusEnum;
 import org.apache.commons.lang3.builder.ToStringBuilder;
 import org.apache.commons.lang3.builder.ToStringStyle;
 import com.ruoyi.common.core.annotation.Excel;
@@ -34,8 +35,11 @@ public class SysPost extends BaseEntity
     @Excel(name = "岗位排序")
     private Integer postSort;
 
-    /** 状态（0正常 1停用） */
+    /**
-    @Excel(name = "状态", readConverterExp = "0=正常,1=停用")
+     * 状态（0正常 1停用）
+     * @see EnableStatusEnum
+     **/
+    @Excel(name = "状态", readConverterEnum = EnableStatusEnum.class)
     private String status;
 
     /** 用户是否存在此岗位标识 默认不存在 */