字典管理添加缓存读取

ruoyi-ui/src/api/system/dict/data.js

@@ -20,7 +20,7 @@ export function getData(dictCode) {
 // 根据字典类型查询字典数据信息
 export function getDicts(dictType) {
   return request({
-    url: '/system/dict/data/dictType/' + dictType,
+    url: '/system/dict/data/type/' + dictType,
     method: 'get'
   })
 }

ruoyi-ui/src/api/system/dict/type.js

@@ -43,6 +43,14 @@ export function delType(dictId) {
   })
 }
 
+// 清理参数缓存
+export function clearCache() {
+  return request({
+    url: '/system/dict/type/clearCache',
+    method: 'delete'
+  })
+}
+
 // 导出字典类型
 export function exportType(query) {
   return request({

ruoyi-ui/src/views/system/config/index.vue

@@ -352,7 +352,6 @@ export default {
     },
     /** 清理缓存按钮操作 */
     handleClearCache() {
-      const queryParams = this.queryParams;
       clearCache().then(response => {
         if (response.code === 200) {
           this.msgSuccess("清理成功");

ruoyi-ui/src/views/system/dict/index.vue

@@ -94,6 +94,15 @@
           v-hasPermi="['system:dict:export']"
         >导出</el-button>
       </el-col>
+      <el-col :span="1.5">
+        <el-button
+          type="danger"
+          icon="el-icon-refresh"
+          size="mini"
+          @click="handleClearCache"
+          v-hasPermi="['system:dict:remove']"
+        >清理缓存</el-button>
+      </el-col>
     </el-row>
 
     <el-table v-loading="loading" :data="typeList" @selection-change="handleSelectionChange">
@@ -173,7 +182,7 @@
 </template>
 
 <script>
-import { listType, getType, delType, addType, updateType, exportType } from "@/api/system/dict/type";
+import { listType, getType, delType, addType, updateType, exportType, clearCache } from "@/api/system/dict/type";
 
 export default {
   name: "Dict",
@@ -344,6 +353,16 @@ export default {
         }).then(response => {
           this.download(response.msg);
         }).catch(function() {});
+    },
+    /** 清理缓存按钮操作 */
+    handleClearCache() {
+      clearCache().then(response => {
+        if (response.code === 200) {
+          this.msgSuccess("清理成功");
+        } else {
+          this.msgError(response.msg);
+        }
+      });
     }
   }
 };

ruoyi/src/main/java/com/ruoyi/common/constant/Constants.java

@@ -114,6 +114,11 @@ public class Constants
      */
     public static final String SYS_CONFIG_KEY = "sys_config:";
 
+    /**
+     * 字典管理 cache key
+     */
+    public static final String SYS_DICT_KEY = "sys_dict:";
+
     /**
      * 资源映射路径 前缀
      */

ruoyi/src/main/java/com/ruoyi/common/utils/DictUtils.java

@@ -0,0 +1,64 @@
+package com.ruoyi.common.utils;
+
+import java.util.Collection;
+import java.util.List;
+import com.ruoyi.common.constant.Constants;
+import com.ruoyi.common.utils.spring.SpringUtils;
+import com.ruoyi.framework.redis.RedisCache;
+import com.ruoyi.project.system.domain.SysDictData;
+
+/**
+ * 字典工具类
+ * 
+ * @author ruoyi
+ */
+public class DictUtils
+{
+    /**
+     * 设置字典缓存
+     * 
+     * @param key 参数键
+     * @param dictDatas 字典数据列表
+     */
+    public static void setDictCache(String key, List<SysDictData> dictDatas)
+    {
+        SpringUtils.getBean(RedisCache.class).setCacheObject(getCacheKey(key), dictDatas);
+    }
+
+    /**
+     * 获取字典缓存
+     * 
+     * @param key 参数键
+     * @return dictDatas 字典数据列表
+     */
+    public static List<SysDictData> getDictCache(String key)
+    {
+        Object cacheObj = SpringUtils.getBean(RedisCache.class).getCacheObject(getCacheKey(key));
+        if (StringUtils.isNotNull(cacheObj))
+        {
+            List<SysDictData> DictDatas = StringUtils.cast(cacheObj);
+            return DictDatas;
+        }
+        return null;
+    }
+
+    /**
+     * 清空字典缓存
+     */
+    public static void clearDictCache()
+    {
+        Collection<String> keys = SpringUtils.getBean(RedisCache.class).keys(Constants.SYS_DICT_KEY + "*");
+        SpringUtils.getBean(RedisCache.class).deleteObject(keys);
+    }
+
+    /**
+     * 设置cache key
+     * 
+     * @param configKey 参数键
+     * @return 缓存键key
+     */
+    public static String getCacheKey(String configKey)
+    {
+        return Constants.SYS_DICT_KEY + configKey;
+    }
+}

ruoyi/src/main/java/com/ruoyi/common/utils/StringUtils.java

@@ -450,4 +450,10 @@ public class StringUtils extends org.apache.commons.lang3.StringUtils
         }
         return sb.toString();
     }
+
+    @SuppressWarnings("unchecked")
+    public static <T> T cast(Object obj)
+    {
+        return (T) obj;
+    }
 }

ruoyi/src/main/java/com/ruoyi/project/system/controller/SysDictDataController.java

@@ -21,6 +21,7 @@ import com.ruoyi.framework.web.domain.AjaxResult;
 import com.ruoyi.framework.web.page.TableDataInfo;
 import com.ruoyi.project.system.domain.SysDictData;
 import com.ruoyi.project.system.service.ISysDictDataService;
+import com.ruoyi.project.system.service.ISysDictTypeService;
 
 /**
  * 数据字典信息
@@ -34,6 +35,9 @@ public class SysDictDataController extends BaseController
     @Autowired
     private ISysDictDataService dictDataService;
 
+    @Autowired
+    private ISysDictTypeService dictTypeService;
+
     @PreAuthorize("@ss.hasPermi('system:dict:list')")
     @GetMapping("/list")
     public TableDataInfo list(SysDictData dictData)
@@ -66,10 +70,10 @@ public class SysDictDataController extends BaseController
     /**
      * 根据字典类型查询字典数据信息
      */
-    @GetMapping(value = "/dictType/{dictType}")
+    @GetMapping(value = "/type/{dictType}")
     public AjaxResult dictType(@PathVariable String dictType)
     {
-        return AjaxResult.success(dictDataService.selectDictDataByType(dictType));
+        return AjaxResult.success(dictTypeService.selectDictDataByType(dictType));
     }
 
     /**

ruoyi/src/main/java/com/ruoyi/project/system/controller/SysDictTypeController.java

@@ -107,6 +107,18 @@ public class SysDictTypeController extends BaseController
         return toAjax(dictTypeService.deleteDictTypeByIds(dictIds));
     }
 
+    /**
+     * 清空缓存
+     */
+    @PreAuthorize("@ss.hasPermi('system:dict:remove')")
+    @Log(title = "字典类型", businessType = BusinessType.CLEAN)
+    @DeleteMapping("/clearCache")
+    public AjaxResult clearCache()
+    {
+        dictTypeService.clearCache();
+        return AjaxResult.success();
+    }
+
     /**
      * 获取字典选择框列表
      */

ruoyi/src/main/java/com/ruoyi/project/system/service/ISysDictDataService.java

@@ -18,14 +18,6 @@ public interface ISysDictDataService
      */
     public List<SysDictData> selectDictDataList(SysDictData dictData);
 
-    /**
-     * 根据字典类型查询字典数据
-     * 
-     * @param dictType 字典类型
-     * @return 字典数据集合信息
-     */
-    public List<SysDictData> selectDictDataByType(String dictType);
-
     /**
      * 根据字典类型和字典键值查询字典数据信息
      * 
@@ -43,14 +35,6 @@ public interface ISysDictDataService
      */
     public SysDictData selectDictDataById(Long dictCode);
 
-    /**
-     * 通过字典ID删除字典数据信息
-     * 
-     * @param dictCode 字典数据ID
-     * @return 结果
-     */
-    public int deleteDictDataById(Long dictCode);
-
     /**
      * 批量删除字典数据信息
      * 

ruoyi/src/main/java/com/ruoyi/project/system/service/ISysDictTypeService.java

@@ -1,6 +1,7 @@
 package com.ruoyi.project.system.service;
 
 import java.util.List;
+import com.ruoyi.project.system.domain.SysDictData;
 import com.ruoyi.project.system.domain.SysDictType;
 
 /**
@@ -25,6 +26,14 @@ public interface ISysDictTypeService
      */
     public List<SysDictType> selectDictTypeAll();
 
+    /**
+     * 根据字典类型查询字典数据
+     * 
+     * @param dictType 字典类型
+     * @return 字典数据集合信息
+     */
+    public List<SysDictData> selectDictDataByType(String dictType);
+
     /**
      * 根据字典类型ID查询信息
      * 
@@ -41,14 +50,6 @@ public interface ISysDictTypeService
      */
     public SysDictType selectDictTypeByType(String dictType);
 
-    /**
-     * 通过字典ID删除字典信息
-     * 
-     * @param dictId 字典ID
-     * @return 结果
-     */
-    public int deleteDictTypeById(Long dictId);
-
     /**
      * 批量删除字典信息
      * 
@@ -57,6 +58,11 @@ public interface ISysDictTypeService
      */
     public int deleteDictTypeByIds(Long[] dictIds);
 
+    /**
+     * 清空缓存数据
+     */
+    public void clearCache();
+
     /**
      * 新增保存字典类型信息
      * 

ruoyi/src/main/java/com/ruoyi/project/system/service/impl/SysDictDataServiceImpl.java

@@ -3,6 +3,7 @@ package com.ruoyi.project.system.service.impl;
 import java.util.List;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
+import com.ruoyi.common.utils.DictUtils;
 import com.ruoyi.project.system.domain.SysDictData;
 import com.ruoyi.project.system.mapper.SysDictDataMapper;
 import com.ruoyi.project.system.service.ISysDictDataService;
@@ -30,18 +31,6 @@ public class SysDictDataServiceImpl implements ISysDictDataService
         return dictDataMapper.selectDictDataList(dictData);
     }
 
-    /**
-     * 根据字典类型查询字典数据
-     * 
-     * @param dictType 字典类型
-     * @return 字典数据集合信息
-     */
-    @Override
-    public List<SysDictData> selectDictDataByType(String dictType)
-    {
-        return dictDataMapper.selectDictDataByType(dictType);
-    }
-
     /**
      * 根据字典类型和字典键值查询字典数据信息
      * 
@@ -67,18 +56,6 @@ public class SysDictDataServiceImpl implements ISysDictDataService
         return dictDataMapper.selectDictDataById(dictCode);
     }
 
-    /**
-     * 通过字典ID删除字典数据信息
-     * 
-     * @param dictCode 字典数据ID
-     * @return 结果
-     */
-    @Override
-    public int deleteDictDataById(Long dictCode)
-    {
-        return dictDataMapper.deleteDictDataById(dictCode);
-    }
-
     /**
      * 批量删除字典数据信息
      * 
@@ -87,7 +64,12 @@ public class SysDictDataServiceImpl implements ISysDictDataService
      */
     public int deleteDictDataByIds(Long[] dictCodes)
     {
-        return dictDataMapper.deleteDictDataByIds(dictCodes);
+        int row = dictDataMapper.deleteDictDataByIds(dictCodes);
+        if (row > 0)
+        {
+            DictUtils.clearDictCache();
+        }
+        return row;
     }
 
     /**
@@ -99,7 +81,12 @@ public class SysDictDataServiceImpl implements ISysDictDataService
     @Override
     public int insertDictData(SysDictData dictData)
     {
-        return dictDataMapper.insertDictData(dictData);
+        int row = dictDataMapper.insertDictData(dictData);
+        if (row > 0)
+        {
+            DictUtils.clearDictCache();
+        }
+        return row;
     }
 
     /**
@@ -111,6 +98,11 @@ public class SysDictDataServiceImpl implements ISysDictDataService
     @Override
     public int updateDictData(SysDictData dictData)
     {
-        return dictDataMapper.updateDictData(dictData);
+        int row = dictDataMapper.updateDictData(dictData);
+        if (row > 0)
+        {
+            DictUtils.clearDictCache();
+        }
+        return row;
     }
 }

ruoyi/src/main/java/com/ruoyi/project/system/service/impl/SysDictTypeServiceImpl.java

@@ -1,11 +1,15 @@
 package com.ruoyi.project.system.service.impl;
 
 import java.util.List;
+import javax.annotation.PostConstruct;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import com.ruoyi.common.constant.UserConstants;
+import com.ruoyi.common.exception.CustomException;
+import com.ruoyi.common.utils.DictUtils;
 import com.ruoyi.common.utils.StringUtils;
+import com.ruoyi.project.system.domain.SysDictData;
 import com.ruoyi.project.system.domain.SysDictType;
 import com.ruoyi.project.system.mapper.SysDictDataMapper;
 import com.ruoyi.project.system.mapper.SysDictTypeMapper;
@@ -25,6 +29,20 @@ public class SysDictTypeServiceImpl implements ISysDictTypeService
     @Autowired
     private SysDictDataMapper dictDataMapper;
 
+    /**
+     * 项目启动时，初始化字典到缓存
+     */
+    @PostConstruct
+    public void init()
+    {
+        List<SysDictType> dictTypeList = dictTypeMapper.selectDictTypeAll();
+        for (SysDictType dictType : dictTypeList)
+        {
+            List<SysDictData> dictDatas = dictDataMapper.selectDictDataByType(dictType.getDictType());
+            DictUtils.setDictCache(dictType.getDictType(), dictDatas);
+        }
+    }
+
     /**
      * 根据条件分页查询字典类型
      * 
@@ -48,6 +66,29 @@ public class SysDictTypeServiceImpl implements ISysDictTypeService
         return dictTypeMapper.selectDictTypeAll();
     }
 
+    /**
+     * 根据字典类型查询字典数据
+     * 
+     * @param dictType 字典类型
+     * @return 字典数据集合信息
+     */
+    @Override
+    public List<SysDictData> selectDictDataByType(String dictType)
+    {
+        List<SysDictData> dictDatas = DictUtils.getDictCache(dictType);
+        if (StringUtils.isNotNull(dictDatas))
+        {
+            return dictDatas;
+        }
+        dictDatas = dictDataMapper.selectDictDataByType(dictType);
+        if (StringUtils.isNotNull(dictDatas))
+        {
+            DictUtils.setDictCache(dictType, dictDatas);
+            return dictDatas;
+        }
+        return null;
+    }
+
     /**
      * 根据字典类型ID查询信息
      * 
@@ -71,18 +112,6 @@ public class SysDictTypeServiceImpl implements ISysDictTypeService
         return dictTypeMapper.selectDictTypeByType(dictType);
     }
 
-    /**
-     * 通过字典ID删除字典信息
-     * 
-     * @param dictId 字典ID
-     * @return 结果
-     */
-    @Override
-    public int deleteDictTypeById(Long dictId)
-    {
-        return dictTypeMapper.deleteDictTypeById(dictId);
-    }
-
     /**
      * 批量删除字典类型信息
      * 
@@ -91,7 +120,28 @@ public class SysDictTypeServiceImpl implements ISysDictTypeService
      */
     public int deleteDictTypeByIds(Long[] dictIds)
     {
-        return dictTypeMapper.deleteDictTypeByIds(dictIds);
+        for (Long dictId : dictIds)
+        {
+            SysDictType dictType = selectDictTypeById(dictId);
+            if (dictDataMapper.countDictDataByType(dictType.getDictType()) > 0)
+            {
+                throw new CustomException(String.format("%1$s已分配,不能删除", dictType.getDictName()));
+            }
+        }
+        int count = dictTypeMapper.deleteDictTypeByIds(dictIds);
+        if (count > 0)
+        {
+            DictUtils.clearDictCache();
+        }
+        return count;
+    }
+
+    /**
+     * 清空缓存数据
+     */
+    public void clearCache()
+    {
+        DictUtils.clearDictCache();
     }
 
     /**
@@ -103,7 +153,12 @@ public class SysDictTypeServiceImpl implements ISysDictTypeService
     @Override
     public int insertDictType(SysDictType dictType)
     {
-        return dictTypeMapper.insertDictType(dictType);
+        int row = dictTypeMapper.insertDictType(dictType);
+        if (row > 0)
+        {
+            DictUtils.clearDictCache();
+        }
+        return row;
     }
 
     /**
@@ -118,7 +173,12 @@ public class SysDictTypeServiceImpl implements ISysDictTypeService
     {
         SysDictType oldDict = dictTypeMapper.selectDictTypeById(dictType.getDictId());
         dictDataMapper.updateDictDataType(oldDict.getDictType(), dictType.getDictType());
-        return dictTypeMapper.updateDictType(dictType);
+        int row = dictTypeMapper.updateDictType(dictType);
+        if (row > 0)
+        {
+            DictUtils.clearDictCache();
+        }
+        return row;
     }
 
     /**