From 0d546e4ba491cbfc77d63b2b30b33b69bd7e46d0 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: Sat, 30 May 2020 13:46:31 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8F=82=E6=95=B0=E7=AE=A1=E7=90=86=E6=94=AF?=
 =?UTF-8?q?=E6=8C=81=E7=BC=93=E5=AD=98=E6=93=8D=E4=BD=9C?=
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---
 ruoyi-ui/src/api/system/config.js             |  8 ++
 ruoyi-ui/src/views/system/config/index.vue    | 22 ++++-
 .../com/ruoyi/common/constant/Constants.java  |  5 ++
 .../controller/SysConfigController.java       | 12 +++
 .../system/service/ISysConfigService.java     | 13 ++-
 .../service/impl/SysConfigServiceImpl.java    | 87 +++++++++++++++----
 6 files changed, 122 insertions(+), 25 deletions(-)

diff --git a/ruoyi-ui/src/api/system/config.js b/ruoyi-ui/src/api/system/config.js
index 124c9812..2221540e 100644
--- a/ruoyi-ui/src/api/system/config.js
+++ b/ruoyi-ui/src/api/system/config.js
@@ -51,6 +51,14 @@ export function delConfig(configId) {
   })
 }
 
+// 清理参数缓存
+export function clearCache() {
+  return request({
+    url: '/system/config/clearCache',
+    method: 'delete'
+  })
+}
+
 // 导出参数
 export function exportConfig(query) {
   return request({
diff --git a/ruoyi-ui/src/views/system/config/index.vue b/ruoyi-ui/src/views/system/config/index.vue
index c2a68f90..e32d2ee1 100644
--- a/ruoyi-ui/src/views/system/config/index.vue
+++ b/ruoyi-ui/src/views/system/config/index.vue
@@ -88,6 +88,15 @@
           v-hasPermi="['system:config: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:config:remove']"
+        >清理缓存</el-button>
+      </el-col>
     </el-row>
 
     <el-table v-loading="loading" :data="configList" @selection-change="handleSelectionChange">
@@ -165,7 +174,7 @@
 </template>
 
 <script>
-import { listConfig, getConfig, delConfig, addConfig, updateConfig, exportConfig } from "@/api/system/config";
+import { listConfig, getConfig, delConfig, addConfig, updateConfig, exportConfig, clearCache } from "@/api/system/config";
 
 export default {
   name: "Config",
@@ -340,6 +349,17 @@ export default {
         }).then(response => {
           this.download(response.msg);
         }).catch(function() {});
+    },
+    /** 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");
+        } else {
+          this.msgError(response.msg);
+        }
+      });
     }
   }
 };
diff --git a/ruoyi/src/main/java/com/ruoyi/common/constant/Constants.java b/ruoyi/src/main/java/com/ruoyi/common/constant/Constants.java
index 768bc24b..a2a32b43 100644
--- a/ruoyi/src/main/java/com/ruoyi/common/constant/Constants.java
+++ b/ruoyi/src/main/java/com/ruoyi/common/constant/Constants.java
@@ -109,6 +109,11 @@ public class Constants
      */
     public static final String JWT_AUTHORITIES = "authorities";
 
+    /**
+     * 参数管理 cache key
+     */
+    public static final String SYS_CONFIG_KEY = "sys_config:";
+
     /**
      * 资源映射路径 前缀
      */
diff --git a/ruoyi/src/main/java/com/ruoyi/project/system/controller/SysConfigController.java b/ruoyi/src/main/java/com/ruoyi/project/system/controller/SysConfigController.java
index 1d59084d..9a832cb5 100644
--- a/ruoyi/src/main/java/com/ruoyi/project/system/controller/SysConfigController.java
+++ b/ruoyi/src/main/java/com/ruoyi/project/system/controller/SysConfigController.java
@@ -118,4 +118,16 @@ public class SysConfigController extends BaseController
     {
         return toAjax(configService.deleteConfigByIds(configIds));
     }
+
+    /**
+     * 清空缓存
+     */
+    @PreAuthorize("@ss.hasPermi('system:config:remove')")
+    @Log(title = "参数管理", businessType = BusinessType.CLEAN)
+    @DeleteMapping("/clearCache")
+    public AjaxResult clearCache()
+    {
+        configService.clearCache();
+        return AjaxResult.success();
+    }
 }
diff --git a/ruoyi/src/main/java/com/ruoyi/project/system/service/ISysConfigService.java b/ruoyi/src/main/java/com/ruoyi/project/system/service/ISysConfigService.java
index 9fa70fcd..4d95ee7e 100644
--- a/ruoyi/src/main/java/com/ruoyi/project/system/service/ISysConfigService.java
+++ b/ruoyi/src/main/java/com/ruoyi/project/system/service/ISysConfigService.java
@@ -50,14 +50,6 @@ public interface ISysConfigService
      */
     public int updateConfig(SysConfig config);
 
-    /**
-     * 删除参数配置信息
-     * 
-     * @param configId 参数ID
-     * @return 结果
-     */
-    public int deleteConfigById(Long configId);
-
     /**
      * 批量删除参数信息
      * 
@@ -66,6 +58,11 @@ public interface ISysConfigService
      */
     public int deleteConfigByIds(Long[] configIds);
 
+    /**
+     * 清空缓存数据
+     */
+    public void clearCache();
+
     /**
      * 校验参数键名是否唯一
      * 
diff --git a/ruoyi/src/main/java/com/ruoyi/project/system/service/impl/SysConfigServiceImpl.java b/ruoyi/src/main/java/com/ruoyi/project/system/service/impl/SysConfigServiceImpl.java
index fa54a6b3..e0b008ca 100644
--- a/ruoyi/src/main/java/com/ruoyi/project/system/service/impl/SysConfigServiceImpl.java
+++ b/ruoyi/src/main/java/com/ruoyi/project/system/service/impl/SysConfigServiceImpl.java
@@ -1,10 +1,15 @@
 package com.ruoyi.project.system.service.impl;
 
+import java.util.Collection;
 import java.util.List;
+import javax.annotation.PostConstruct;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
+import com.ruoyi.common.constant.Constants;
 import com.ruoyi.common.constant.UserConstants;
+import com.ruoyi.common.core.text.Convert;
 import com.ruoyi.common.utils.StringUtils;
+import com.ruoyi.framework.redis.RedisCache;
 import com.ruoyi.project.system.domain.SysConfig;
 import com.ruoyi.project.system.mapper.SysConfigMapper;
 import com.ruoyi.project.system.service.ISysConfigService;
@@ -20,6 +25,22 @@ public class SysConfigServiceImpl implements ISysConfigService
     @Autowired
     private SysConfigMapper configMapper;
 
+    @Autowired
+    private RedisCache redisCache;
+
+    /**
+     * 项目启动时，初始化参数到缓存
+     */
+    @PostConstruct
+    public void init()
+    {
+        List<SysConfig> configsList = configMapper.selectConfigList(new SysConfig());
+        for (SysConfig config : configsList)
+        {
+            redisCache.setCacheObject(getCacheKey(config.getConfigKey()), config.getConfigValue());
+        }
+    }
+
     /**
      * 查询参数配置信息
      * 
@@ -43,10 +64,20 @@ public class SysConfigServiceImpl implements ISysConfigService
     @Override
     public String selectConfigByKey(String configKey)
     {
+        String configValue = Convert.toStr(redisCache.getCacheObject(getCacheKey(configKey)));
+        if (StringUtils.isNotEmpty(configValue))
+        {
+            return configValue;
+        }
         SysConfig config = new SysConfig();
         config.setConfigKey(configKey);
         SysConfig retConfig = configMapper.selectConfig(config);
-        return StringUtils.isNotNull(retConfig) ? retConfig.getConfigValue() : "";
+        if (StringUtils.isNotNull(retConfig))
+        {
+            redisCache.setCacheObject(getCacheKey(configKey), retConfig.getConfigValue());
+            return retConfig.getConfigValue();
+        }
+        return StringUtils.EMPTY;
     }
 
     /**
@@ -70,7 +101,12 @@ public class SysConfigServiceImpl implements ISysConfigService
     @Override
     public int insertConfig(SysConfig config)
     {
-        return configMapper.insertConfig(config);
+        int row = configMapper.insertConfig(config);
+        if (row > 0)
+        {
+            redisCache.setCacheObject(getCacheKey(config.getConfigKey()), config.getConfigValue());
+        }
+        return row;
     }
 
     /**
@@ -82,19 +118,12 @@ public class SysConfigServiceImpl implements ISysConfigService
     @Override
     public int updateConfig(SysConfig config)
     {
-        return configMapper.updateConfig(config);
-    }
-
-    /**
-     * 删除参数配置信息
-     * 
-     * @param configId 参数ID
-     * @return 结果
-     */
-    @Override
-    public int deleteConfigById(Long configId)
-    {
-        return configMapper.deleteConfigById(configId);
+        int row = configMapper.updateConfig(config);
+        if (row > 0)
+        {
+            redisCache.setCacheObject(getCacheKey(config.getConfigKey()), config.getConfigValue());
+        }
+        return row;
     }
 
     /**
@@ -106,7 +135,22 @@ public class SysConfigServiceImpl implements ISysConfigService
     @Override
     public int deleteConfigByIds(Long[] configIds)
     {
-        return configMapper.deleteConfigByIds(configIds);
+        int count = configMapper.deleteConfigByIds(configIds);
+        if (count > 0)
+        {
+            Collection<String> keys = redisCache.keys(Constants.SYS_CONFIG_KEY + "*");
+            redisCache.deleteObject(keys);
+        }
+        return count;
+    }
+
+    /**
+     * 清空缓存数据
+     */
+    public void clearCache()
+    {
+        Collection<String> keys = redisCache.keys(Constants.SYS_CONFIG_KEY + "*");
+        redisCache.deleteObject(keys);
     }
 
     /**
@@ -126,4 +170,15 @@ public class SysConfigServiceImpl implements ISysConfigService
         }
         return UserConstants.UNIQUE;
     }
+
+    /**
+     * 设置cache key
+     * 
+     * @param configKey 参数键
+     * @return 缓存键key
+     */
+    private String getCacheKey(String configKey)
+    {
+        return Constants.SYS_CONFIG_KEY + configKey;
+    }
 }