菜单增删改查

src/main/java/com/govmade/modules/system/controller/MenuController.java

 package com.govmade.modules.system.controller;
 
 import java.util.Map;
+import java.util.Set;
 
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
+
+import com.govmade.common.utils.PageTreeUtils;
 import com.govmade.common.utils.R;
+import com.govmade.common.validator.Assert;
 import com.govmade.modules.basic.controller.AbstractController;
 import com.govmade.modules.system.entity.MenuEntity;
 import com.govmade.modules.system.service.MenuService;
@@ -28,15 +35,15 @@ public class MenuController extends AbstractController {
 	private MenuService menuService;
 
 	/**
-	 * 菜单列表
+	 * 所有菜单数据树结构
 	 */
-	@GetMapping("/list")
-	public R list(Map<String, Object> params) {
-
-		menuService.queryPage(params);
-		return null;
+	@GetMapping("/listTree")
+	public R listTree(@RequestParam Map<String, Object> params) {
+		PageTreeUtils page = menuService.queryPage(params);
+		return R.ok().put("page", page);
 	}
 	
+	
 	/**
 	 * 保存或更新用户
 	 */
@@ -48,6 +55,7 @@ public class MenuController extends AbstractController {
 				return R.error(menu.getName() + " 已存在!");
 			}
 		}
+		menuService.save(menu);
 		return R.ok();
 	}
 
@@ -61,4 +69,20 @@ public class MenuController extends AbstractController {
 	public R info(@PathVariable("id") Long id) {
 		return R.ok().put("menu", menuService.queryById(id));
 	}
+	
+	/**
+	 * 批量删除菜单
+	 * 
+	 * @param ids
+	 * @return
+	 */
+	@DeleteMapping("/delete")
+	public R deleteArea(@RequestBody Set<Long> ids) {
+		Assert.isNull(ids, "删除项不能为空");
+
+		menuService.deleteBatch(ids);
+		return R.ok();
+	}
+	
+	
 }

src/main/java/com/govmade/modules/system/dao/MenuDao.java

 package com.govmade.modules.system.dao;
 
 
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
 import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+
 import com.baomidou.mybatisplus.mapper.BaseMapper;
 import com.govmade.modules.system.entity.MenuEntity;
 
@@ -15,4 +21,14 @@ import com.govmade.modules.system.entity.MenuEntity;
 @Mapper
 public interface MenuDao extends BaseMapper<MenuEntity> {
 	
+	
+	/**
+	 * 批量删除或删除
+	 */
+	void deleteBatch(@Param("ids") Set<Long> ids);
+	
+	/**
+	 * 查询树形数据
+	 */
+	List<MenuEntity> listTree(@Param("params") Map<String, Object> params);
 }

src/main/java/com/govmade/modules/system/entity/MenuEntity.java

 package com.govmade.modules.system.entity;
 
+import java.util.List;
+
+import com.baomidou.mybatisplus.annotations.TableField;
 import com.baomidou.mybatisplus.annotations.TableName;
 import com.govmade.modules.basic.entity.BaseEntity;
 
@@ -33,6 +36,9 @@ public class MenuEntity extends BaseEntity<Long> {
 
 	private Long weight;
 	
+	@TableField(exist=false)
+	private List<MenuEntity> children;
+
 	public Long getPid() {
 		return pid;
 	}
@@ -104,4 +110,13 @@ public class MenuEntity extends BaseEntity<Long> {
 	public void setWeight(Long weight) {
 		this.weight = weight;
 	}
+
+	public List<MenuEntity> getChildren() {
+		return children;
+	}
+
+	public void setChildren(List<MenuEntity> children) {
+		this.children = children;
+	}
+	
 }

src/main/java/com/govmade/modules/system/service/MenuService.java

@@ -2,8 +2,10 @@ package com.govmade.modules.system.service;
 
 
 import java.util.Map;
+import java.util.Set;
 
 import com.baomidou.mybatisplus.service.IService;
+import com.govmade.common.utils.PageTreeUtils;
 import com.govmade.common.utils.PageUtils;
 import com.govmade.modules.system.entity.MenuEntity;
 
@@ -17,7 +19,7 @@ import com.govmade.modules.system.entity.MenuEntity;
 public interface MenuService extends IService<MenuEntity> {
 
 	
-	PageUtils queryPage(Map<String, Object> params);
+	PageTreeUtils queryPage(Map<String, Object> params);
 	
 	/**
 	 * 保存或修改菜单
@@ -30,4 +32,9 @@ public interface MenuService extends IService<MenuEntity> {
 	Integer checkMenu(String name);
 	
 	MenuEntity queryById(Long id);
+	
+	/**
+	 * 删除菜单
+	 */
+	void deleteBatch(Set<Long> ids);
 }

src/main/java/com/govmade/modules/system/service/impl/MenuServiceImpl.java

@@ -2,16 +2,21 @@ package com.govmade.modules.system.service.impl;
 
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 
 import org.springframework.stereotype.Service;
 
 import com.baomidou.mybatisplus.mapper.EntityWrapper;
 import com.baomidou.mybatisplus.service.impl.ServiceImpl;
+import com.google.common.collect.Lists;
+import com.govmade.common.utils.PageTreeUtils;
 import com.govmade.common.utils.PageUtils;
 import com.govmade.modules.system.dao.MenuDao;
 import com.govmade.modules.system.entity.MenuEntity;
 import com.govmade.modules.system.service.MenuService;
 
+import cn.hutool.core.util.StrUtil;
+
 /**
  * 系统管理 - 菜单设置
  * 
@@ -24,10 +29,35 @@ public class MenuServiceImpl extends ServiceImpl<MenuDao, MenuEntity> implements
 
 	
 	@Override
-	public PageUtils queryPage(Map<String, Object> params) {
-		// TODO Auto-generated method stub
-		//this.baseMapper.selectPage();
-		return null;
+	public PageTreeUtils queryPage(Map<String, Object> params) {
+		String name = (String) params.get("name");
+		int currPage = Integer.parseInt((String) params.get("currPage"));
+		int pageSize = Integer.parseInt((String) params.get("pageSize"));
+		int start = (currPage-1)*pageSize;
+		params.put("name2", name);
+		params.put("pageSize2", pageSize);
+		params.put("start", start);
+		List<MenuEntity> allList=this.baseMapper.listTree(params);
+		List<MenuEntity> list=buildAreaTree(allList,0L);
+		int totalCount = super.selectCount(new EntityWrapper<MenuEntity>().like(StrUtil.isNotBlank(name), "name", name)
+				.eq("pid", 0).eq("state", 1));
+		return new PageTreeUtils(list,totalCount,pageSize,currPage);
+
+    }
+	
+	/**
+	 *递归方法
+	 */
+		 private List<MenuEntity> buildAreaTree(List<MenuEntity> menuList, Long id) {
+		        List<MenuEntity> mList = Lists.newArrayList();
+
+		        for (MenuEntity menu : menuList) {
+		            if (id == menu.getPid()) {
+		                menu.setChildren(buildAreaTree(menuList, menu.getId()));
+		                mList.add(menu);
+		            }
+		        }
+		        return mList;
 		    }
 	
 	/**
@@ -57,4 +87,9 @@ public class MenuServiceImpl extends ServiceImpl<MenuDao, MenuEntity> implements
 		return super.selectById(id);
 	}
 	
+	@Override
+	public void deleteBatch(Set<Long> ids) {
+		this.baseMapper.deleteBatch(ids);
+	}
+
 }

src/main/resources/mapper/system/MenuDao.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+
+<mapper namespace="com.govmade.modules.system.dao.MenuDao">
+
+	<!-- 批量删除 -->
+	<update id="deleteBatch">
+		UPDATE system_menus SET state =${@com.govmade.common.utils.Constant@STATE_DELETE} WHERE id IN 
+		<foreach collection="ids" item="id" open="("  close=")" separator=",">
+            #{id}
+        </foreach>
+	</update>
+	
+	
+	<!-- 查询树形数据-->
+	<select id="listTree" resultType="MenuEntity">
+	SELECT * FROM system_menus AS t
+	INNER JOIN (
+	SELECT id AS id2 FROM system_menus
+	WHERE
+	pid = 0	
+	AND state =1
+	<if test="params.name2 != null and params.name2 !=''">
+	AND NAME LIKE CONCAT('%',#{params.name2},'%')
+	</if>
+	LIMIT #{params.start},#{params.pageSize2}
+    ) AS t2 ON t.root_id = t2.id2 AND t.state=1
+    UNION ALL(SELECT *, 0 AS id2 FROM system_menus
+	WHERE
+	pid = 0
+	AND state =1
+	<if test="params.name2 != null and params.name2 !=''">
+	AND	NAME LIKE CONCAT('%',#{params.name2},'%')
+	</if>	 
+    LIMIT #{params.start},#{params.pageSize2}
+	)
+    ORDER BY id		
+	</select>
+
+</mapper>
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