feat: 新增参数设置和通知公告功能

- 新增 SysConfigController 参数配置管理
- 新增 SysNoticeController 通知公告管理
- 系统管理模块功能完整

backend/pangu-admin/src/main/resources/application.yml

@@ -3,6 +3,10 @@ server:
   port: 8080
   servlet:
     context-path: /
+    encoding:
+      charset: UTF-8
+      enabled: true
+      force: true
 
 spring:
   application:

backend/pangu-system/src/main/java/com/pangu/system/controller/SysConfigController.java

@@ -0,0 +1,189 @@
+package com.pangu.system.controller;
+
+import com.pangu.common.core.controller.BaseController;
+import com.pangu.common.core.domain.AjaxResult;
+import com.pangu.common.core.page.TableDataInfo;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.*;
+
+/**
+ * 参数配置Controller
+ * @author pangu
+ */
+@RestController
+@RequestMapping("/system/config")
+public class SysConfigController extends BaseController {
+
+    @Autowired
+    private JdbcTemplate jdbcTemplate;
+
+    /**
+     * 查询参数配置列表
+     */
+    @GetMapping("/list")
+    public TableDataInfo list(
+            @RequestParam(required = false) String configName,
+            @RequestParam(required = false) String configKey,
+            @RequestParam(required = false) String configType,
+            @RequestParam(defaultValue = "1") Integer pageNum,
+            @RequestParam(defaultValue = "10") Integer pageSize) {
+        
+        StringBuilder sql = new StringBuilder();
+        sql.append("SELECT config_id, config_name, config_key, config_value, config_type, create_time, remark ");
+        sql.append("FROM sys_config WHERE 1=1 ");
+        
+        List<Object> params = new ArrayList<>();
+        if (configName != null && !configName.isEmpty()) {
+            sql.append("AND config_name LIKE ? ");
+            params.add("%" + configName + "%");
+        }
+        if (configKey != null && !configKey.isEmpty()) {
+            sql.append("AND config_key LIKE ? ");
+            params.add("%" + configKey + "%");
+        }
+        if (configType != null && !configType.isEmpty()) {
+            sql.append("AND config_type = ? ");
+            params.add(configType);
+        }
+        
+        String countSql = "SELECT COUNT(*) FROM (" + sql.toString() + ") t";
+        Integer total = jdbcTemplate.queryForObject(countSql, Integer.class, params.toArray());
+        
+        sql.append("ORDER BY config_id LIMIT ? OFFSET ?");
+        params.add(pageSize);
+        params.add((pageNum - 1) * pageSize);
+        
+        List<Map<String, Object>> rows = jdbcTemplate.queryForList(sql.toString(), params.toArray());
+        
+        // 转换字段名为驼峰格式
+        List<Map<String, Object>> result = new ArrayList<>();
+        for (Map<String, Object> row : rows) {
+            Map<String, Object> item = new HashMap<>();
+            item.put("configId", row.get("config_id"));
+            item.put("configName", row.get("config_name"));
+            item.put("configKey", row.get("config_key"));
+            item.put("configValue", row.get("config_value"));
+            item.put("configType", row.get("config_type"));
+            item.put("createTime", row.get("create_time"));
+            item.put("remark", row.get("remark"));
+            result.add(item);
+        }
+        
+        TableDataInfo dataInfo = new TableDataInfo();
+        dataInfo.setCode(200);
+        dataInfo.setMsg("查询成功");
+        dataInfo.setRows(result);
+        dataInfo.setTotal(total != null ? total : 0);
+        return dataInfo;
+    }
+
+    /**
+     * 获取参数配置详情
+     */
+    @GetMapping("/{configId}")
+    public AjaxResult getInfo(@PathVariable Long configId) {
+        String sql = "SELECT config_id, config_name, config_key, config_value, config_type, remark FROM sys_config WHERE config_id = ?";
+        List<Map<String, Object>> configs = jdbcTemplate.queryForList(sql, configId);
+        if (configs.isEmpty()) {
+            return AjaxResult.error("参数配置不存在");
+        }
+        Map<String, Object> row = configs.get(0);
+        Map<String, Object> result = new HashMap<>();
+        result.put("configId", row.get("config_id"));
+        result.put("configName", row.get("config_name"));
+        result.put("configKey", row.get("config_key"));
+        result.put("configValue", row.get("config_value"));
+        result.put("configType", row.get("config_type"));
+        result.put("remark", row.get("remark"));
+        return AjaxResult.success(result);
+    }
+
+    /**
+     * 根据参数键名查询参数值
+     */
+    @GetMapping("/configKey/{configKey}")
+    public AjaxResult getConfigKey(@PathVariable String configKey) {
+        String sql = "SELECT config_value FROM sys_config WHERE config_key = ?";
+        List<Map<String, Object>> configs = jdbcTemplate.queryForList(sql, configKey);
+        if (configs.isEmpty()) {
+            return AjaxResult.success("");
+        }
+        return AjaxResult.success(configs.get(0).get("config_value"));
+    }
+
+    /**
+     * 新增参数配置
+     */
+    @PostMapping
+    public AjaxResult add(@RequestBody Map<String, Object> config) {
+        String configKey = (String) config.get("configKey");
+        
+        // 检查参数键名是否存在
+        Integer count = jdbcTemplate.queryForObject(
+            "SELECT COUNT(*) FROM sys_config WHERE config_key = ?",
+            Integer.class, configKey);
+        if (count != null && count > 0) {
+            return AjaxResult.error("参数键名已存在");
+        }
+        
+        String sql = "INSERT INTO sys_config (config_name, config_key, config_value, config_type, " +
+                    "create_by, create_time, remark) VALUES (?, ?, ?, ?, 'admin', NOW(), ?)";
+        
+        jdbcTemplate.update(sql,
+            config.get("configName"),
+            configKey,
+            config.get("configValue"),
+            config.getOrDefault("configType", "N"),
+            config.get("remark")
+        );
+        
+        return AjaxResult.success("新增成功");
+    }
+
+    /**
+     * 修改参数配置
+     */
+    @PutMapping
+    public AjaxResult edit(@RequestBody Map<String, Object> config) {
+        Long configId = Long.valueOf(config.get("configId").toString());
+        
+        String sql = "UPDATE sys_config SET config_name = ?, config_key = ?, config_value = ?, " +
+                    "config_type = ?, remark = ?, update_by = 'admin', update_time = NOW() " +
+                    "WHERE config_id = ?";
+        
+        jdbcTemplate.update(sql,
+            config.get("configName"),
+            config.get("configKey"),
+            config.get("configValue"),
+            config.getOrDefault("configType", "N"),
+            config.get("remark"),
+            configId
+        );
+        
+        return AjaxResult.success("修改成功");
+    }
+
+    /**
+     * 删除参数配置
+     */
+    @DeleteMapping("/{configIds}")
+    public AjaxResult remove(@PathVariable String configIds) {
+        String[] ids = configIds.split(",");
+        for (String id : ids) {
+            jdbcTemplate.update("DELETE FROM sys_config WHERE config_id = ?", Long.valueOf(id));
+        }
+        return AjaxResult.success("删除成功");
+    }
+
+    /**
+     * 刷新参数缓存
+     */
+    @DeleteMapping("/refreshCache")
+    public AjaxResult refreshCache() {
+        // 简单实现，实际项目中可能需要清除 Redis 缓存
+        return AjaxResult.success("刷新缓存成功");
+    }
+}

backend/pangu-system/src/main/java/com/pangu/system/controller/SysDictController.java

@@ -325,4 +325,5 @@ public class SysDictController extends BaseController {
         }
         return AjaxResult.success("删除成功");
     }
+    
 }

backend/pangu-system/src/main/java/com/pangu/system/controller/SysNoticeController.java

@@ -0,0 +1,158 @@
+package com.pangu.system.controller;
+
+import com.pangu.common.core.controller.BaseController;
+import com.pangu.common.core.domain.AjaxResult;
+import com.pangu.common.core.page.TableDataInfo;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.*;
+
+/**
+ * 通知公告Controller
+ * @author pangu
+ */
+@RestController
+@RequestMapping("/system/notice")
+public class SysNoticeController extends BaseController {
+
+    @Autowired
+    private JdbcTemplate jdbcTemplate;
+
+    /**
+     * 查询通知公告列表
+     */
+    @GetMapping("/list")
+    public TableDataInfo list(
+            @RequestParam(required = false) String noticeTitle,
+            @RequestParam(required = false) String noticeType,
+            @RequestParam(required = false) String createBy,
+            @RequestParam(defaultValue = "1") Integer pageNum,
+            @RequestParam(defaultValue = "10") Integer pageSize) {
+        
+        StringBuilder sql = new StringBuilder();
+        sql.append("SELECT notice_id, notice_title, notice_type, notice_content, status, create_by, create_time, remark ");
+        sql.append("FROM sys_notice WHERE 1=1 ");
+        
+        List<Object> params = new ArrayList<>();
+        if (noticeTitle != null && !noticeTitle.isEmpty()) {
+            sql.append("AND notice_title LIKE ? ");
+            params.add("%" + noticeTitle + "%");
+        }
+        if (noticeType != null && !noticeType.isEmpty()) {
+            sql.append("AND notice_type = ? ");
+            params.add(noticeType);
+        }
+        if (createBy != null && !createBy.isEmpty()) {
+            sql.append("AND create_by LIKE ? ");
+            params.add("%" + createBy + "%");
+        }
+        
+        String countSql = "SELECT COUNT(*) FROM (" + sql.toString() + ") t";
+        Integer total = jdbcTemplate.queryForObject(countSql, Integer.class, params.toArray());
+        
+        sql.append("ORDER BY notice_id DESC LIMIT ? OFFSET ?");
+        params.add(pageSize);
+        params.add((pageNum - 1) * pageSize);
+        
+        List<Map<String, Object>> rows = jdbcTemplate.queryForList(sql.toString(), params.toArray());
+        
+        // 转换字段名为驼峰格式
+        List<Map<String, Object>> result = new ArrayList<>();
+        for (Map<String, Object> row : rows) {
+            Map<String, Object> item = new HashMap<>();
+            item.put("noticeId", row.get("notice_id"));
+            item.put("noticeTitle", row.get("notice_title"));
+            item.put("noticeType", row.get("notice_type"));
+            item.put("noticeContent", row.get("notice_content"));
+            item.put("status", row.get("status"));
+            item.put("createBy", row.get("create_by"));
+            item.put("createTime", row.get("create_time"));
+            item.put("remark", row.get("remark"));
+            result.add(item);
+        }
+        
+        TableDataInfo dataInfo = new TableDataInfo();
+        dataInfo.setCode(200);
+        dataInfo.setMsg("查询成功");
+        dataInfo.setRows(result);
+        dataInfo.setTotal(total != null ? total : 0);
+        return dataInfo;
+    }
+
+    /**
+     * 获取通知公告详情
+     */
+    @GetMapping("/{noticeId}")
+    public AjaxResult getInfo(@PathVariable Long noticeId) {
+        String sql = "SELECT notice_id, notice_title, notice_type, notice_content, status, remark FROM sys_notice WHERE notice_id = ?";
+        List<Map<String, Object>> notices = jdbcTemplate.queryForList(sql, noticeId);
+        if (notices.isEmpty()) {
+            return AjaxResult.error("通知公告不存在");
+        }
+        Map<String, Object> row = notices.get(0);
+        Map<String, Object> result = new HashMap<>();
+        result.put("noticeId", row.get("notice_id"));
+        result.put("noticeTitle", row.get("notice_title"));
+        result.put("noticeType", row.get("notice_type"));
+        result.put("noticeContent", row.get("notice_content"));
+        result.put("status", row.get("status"));
+        result.put("remark", row.get("remark"));
+        return AjaxResult.success(result);
+    }
+
+    /**
+     * 新增通知公告
+     */
+    @PostMapping
+    public AjaxResult add(@RequestBody Map<String, Object> notice) {
+        String sql = "INSERT INTO sys_notice (notice_title, notice_type, notice_content, status, " +
+                    "create_by, create_time, remark) VALUES (?, ?, ?, ?, 'admin', NOW(), ?)";
+        
+        jdbcTemplate.update(sql,
+            notice.get("noticeTitle"),
+            notice.get("noticeType"),
+            notice.get("noticeContent"),
+            notice.getOrDefault("status", "0"),
+            notice.get("remark")
+        );
+        
+        return AjaxResult.success("新增成功");
+    }
+
+    /**
+     * 修改通知公告
+     */
+    @PutMapping
+    public AjaxResult edit(@RequestBody Map<String, Object> notice) {
+        Long noticeId = Long.valueOf(notice.get("noticeId").toString());
+        
+        String sql = "UPDATE sys_notice SET notice_title = ?, notice_type = ?, notice_content = ?, " +
+                    "status = ?, remark = ?, update_by = 'admin', update_time = NOW() " +
+                    "WHERE notice_id = ?";
+        
+        jdbcTemplate.update(sql,
+            notice.get("noticeTitle"),
+            notice.get("noticeType"),
+            notice.get("noticeContent"),
+            notice.getOrDefault("status", "0"),
+            notice.get("remark"),
+            noticeId
+        );
+        
+        return AjaxResult.success("修改成功");
+    }
+
+    /**
+     * 删除通知公告
+     */
+    @DeleteMapping("/{noticeIds}")
+    public AjaxResult remove(@PathVariable String noticeIds) {
+        String[] ids = noticeIds.split(",");
+        for (String id : ids) {
+            jdbcTemplate.update("DELETE FROM sys_notice WHERE notice_id = ?", Long.valueOf(id));
+        }
+        return AjaxResult.success("删除成功");
+    }
+}