tlias管理系统-员工分页条件查询实现功能实现

tlias-web-management/src/main/java/com/inmind/controller/EmpController.java

@@ -6,11 +6,10 @@ import com.inmind.service.EmpService;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.format.annotation.DateTimeFormat;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 import java.time.LocalDate;
+import java.util.List;
 
 @RestController
 @Slf4j
@@ -30,7 +29,13 @@ public class EmpController {
             ,@RequestParam(defaultValue = "10") Integer pageSize){
         log.info("分页查询，参数page ：{}；pageSize:{}----{},{},{},{}",page,pageSize,name,gender,begin,end);
         //调用业务层获取分页结果数据
-        PageBean pageBean = empService.page(page,pageSize);
+        PageBean pageBean = empService.page(page,pageSize,name,gender,begin,end);
         return Result.success(pageBean);
     }
+
+    @DeleteMapping("/emps/{ids}")
+    public Result delete(@PathVariable List<Integer> ids){
+        log.info("批量删除：{}",ids);
+        return Result.success();
+    }
 }

tlias-web-management/src/main/java/com/inmind/mapper/EmpMapper.java

@@ -4,6 +4,7 @@ import com.inmind.pojo.Emp;
 import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Select;
 
+import java.time.LocalDate;
 import java.util.List;
 
 @Mapper
@@ -22,6 +23,6 @@ public interface EmpMapper {
     List<Emp> getPageList(Integer startIndex,Integer pageSize);*/
 
     //员工的基本查询sql
-    @Select("select * from emp")
-    public List<Emp> list();
+    //@Select("select * from emp"),被动态sql替换
+    public List<Emp> list(String name, Short gender, LocalDate begin, LocalDate end);
 }

tlias-web-management/src/main/java/com/inmind/service/EmpService.java

@@ -2,7 +2,9 @@ package com.inmind.service;
 
 import com.inmind.pojo.PageBean;
 
+import java.time.LocalDate;
+
 public interface EmpService {
-    //分页查询员工列表数据
-    PageBean page(Integer page, Integer pageSize);
+    //条件分页查询员工列表数据
+    PageBean page(Integer page, Integer pageSize, String name, Short gender, LocalDate begin, LocalDate end);
 }

tlias-web-management/src/main/java/com/inmind/service/impl/EmpServiceImpl.java

@@ -9,6 +9,7 @@ import com.inmind.service.EmpService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.time.LocalDate;
 import java.util.List;
 
 @Service
@@ -34,11 +35,12 @@ public class EmpServiceImpl implements EmpService {
 
 
     @Override
-    public PageBean page(Integer page, Integer pageSize) {
+    public PageBean page(Integer page, Integer pageSize, String name, Short gender, LocalDate begin, LocalDate end) {
         //1.调用分页插件PageHelper的固定api，startPage
         PageHelper.startPage(page, pageSize);
         //2.执行原始的查询sql语句(此时已经被分页插件修改了底层sql，它返回值其实是一个Page类型对象)
-        List<Emp> empList = empMapper.list();
+        //在原始sql上要添加条件查询，在条件查询的基础上进行分页操作
+        List<Emp> empList = empMapper.list(name,gender,begin,end);
         Page<Emp> p = (Page) empList;
         //2.封装pagebean对象
         PageBean pageBean = new PageBean(p.getTotal(), p.getResult());

tlias-web-management/src/main/resources/com/inmind/mapper/EmpMapper.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "https://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.inmind.mapper.EmpMapper">
+    <select id="list" resultType="com.inmind.pojo.Emp">
+        select * from emp
+        <where>
+            <if test="name != null and name != '' ">
+                name like concat('%',#{name},'%')
+            </if>
+            <if test="gender != null">
+                and gender = #{gender}
+            </if>
+
+            <if test="begin != null and end != null">
+                and entrydate between #{begin} and #{end}
+            </if>
+        </where>
+        order by update_time desc
+    </select>
+</mapper>