From 636d9d7be54e9bab8bbb960966d715213a61c69d Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Sun, 16 Nov 2025 15:58:49 +0800
Subject: [PATCH] =?UTF-8?q?tlias=E7=AE=A1=E7=90=86=E7=B3=BB=E7=BB=9F--?=
 =?UTF-8?q?=E9=83=A8=E9=97=A8=E7=AE=A1=E7=90=86--=E5=88=86=E9=A1=B5?=
 =?UTF-8?q?=E6=8F=92=E4=BB=B6PageHelper=E5=AE=9E=E7=8E=B0=E5=88=86?=
 =?UTF-8?q?=E9=A1=B5=E5=8A=9F=E8=83=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 tlias-web-management/pom.xml                  |  6 ++++
 .../java/com/inmind/mapper/EmpMapper.java     | 16 +++++++---
 .../inmind/service/impl/EmpServiceImpl.java   | 31 ++++++++++++++++---
 3 files changed, 44 insertions(+), 9 deletions(-)

diff --git a/tlias-web-management/pom.xml b/tlias-web-management/pom.xml
index 403a734..c905590 100644
--- a/tlias-web-management/pom.xml
+++ b/tlias-web-management/pom.xml
@@ -39,6 +39,12 @@
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
         </dependency>
+        <!--pageHelper分页插件-->
+        <dependency>
+            <groupId>com.github.pagehelper</groupId>
+            <artifactId>pagehelper-spring-boot-starter</artifactId>
+            <version>1.4.2</version>
+        </dependency>
     </dependencies>
     <dependencyManagement>
         <dependencies>
diff --git a/tlias-web-management/src/main/java/com/inmind/mapper/EmpMapper.java b/tlias-web-management/src/main/java/com/inmind/mapper/EmpMapper.java
index e281ab6..3808de3 100644
--- a/tlias-web-management/src/main/java/com/inmind/mapper/EmpMapper.java
+++ b/tlias-web-management/src/main/java/com/inmind/mapper/EmpMapper.java
@@ -12,10 +12,18 @@ public interface EmpMapper {
      * 查询总记录数
      * @return
      */
-    @Select("select count(*) from emp")
-    Long getTotal();
+   /* @Select("select count(*) from emp")
+    Long getTotal();*/
 
-    @Select("select * from emp limit #{startIndex},#{pageSize}")
-    List<Emp> getPageList(int startIndex,int pageSize);
+    /**
+     * 分页查询
+     * @param
+     * @param
+     * @return
+     */
+    /*@Select("select * from emp limit #{startIndex},#{pageSize}")
+    List<Emp> getPageList(int startIndex,int pageSize);*/
 
+    @Select("select * from emp")
+    public List<Emp> list();
 }
diff --git a/tlias-web-management/src/main/java/com/inmind/service/impl/EmpServiceImpl.java b/tlias-web-management/src/main/java/com/inmind/service/impl/EmpServiceImpl.java
index d7694e5..9a0e022 100644
--- a/tlias-web-management/src/main/java/com/inmind/service/impl/EmpServiceImpl.java
+++ b/tlias-web-management/src/main/java/com/inmind/service/impl/EmpServiceImpl.java
@@ -1,5 +1,7 @@
 package com.inmind.service.impl;
 
+import com.github.pagehelper.Page;
+import com.github.pagehelper.PageHelper;
 import com.inmind.mapper.EmpMapper;
 import com.inmind.pojo.Emp;
 import com.inmind.pojo.PageBean;
@@ -21,23 +23,42 @@ public class EmpServiceImpl implements EmpService {
      * @param pageSize 每页显示条数
      * @return
      */
-    @Override
+    /*@Override
     public PageBean page(Integer page, Integer pageSize) {
         //1.获取总记录数
         Long total = empMapper.getTotal();
         //2.获取当前页的数据列表
-        /*
+        *//*
         -- 分页查询 ：select * from emp limit 参数1 参数2
         -- 参数1：起始索引         就是（页码-1）*每页显示的记录数
         -- 参数2：查询返回的记录数  就是每页显示的记录数
-         */
+         *//*
         int startIndex = (page - 1)* pageSize;
         List<Emp> rows =  empMapper.getPageList(startIndex,pageSize);
         //3.封装成分页查询结果，并返回
-        /*PageBean pageBean = new PageBean();
+        *//*PageBean pageBean = new PageBean();
         pageBean.setRows(rows);
         pageBean.setTotal(total);
-        return pageBean;*/
+        return pageBean;*//*
         return new PageBean(total, rows);
+    }*/
+
+
+    /**
+     * 分页查询
+     * @param page 页码
+     * @param pageSize 每页显示条数
+     * @return
+     */
+    @Override
+    public PageBean page(Integer page, Integer pageSize) {
+        //使用分页插件，开始分页，传入页码和每页显示条数即可
+        PageHelper.startPage(page,pageSize);
+        //调用mapper的普通的查询语句即可(此时list方法已经被分页插件修改了底层sql，它返回一个包含分页查询数据的page对象)
+        List<Emp> list = empMapper.list();
+
+        Page<Emp> p = (Page<Emp>) list;
+        //封装分页查询结果
+        return new PageBean(p.getTotal(), p.getResult());
     }
 }