整合Mybatis,引入Excel依赖包

pom.xml

@@ -33,5 +33,48 @@
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
         </dependency>
+        <!--Excel导入导出工具-->
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>easyexcel</artifactId>
+            <version>1.1.2-beat1</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>1.18.2</version>
+        </dependency>
+
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>8.0.13</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-jdbc</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.mybatis</groupId>
+            <artifactId>mybatis</artifactId>
+            <version>3.4.6</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.mybatis.spring.boot</groupId>
+            <artifactId>mybatis-spring-boot-starter</artifactId>
+            <version>2.0.0</version>
+        </dependency>
+
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.12</version>
+            <scope>test</scope>
+        </dependency>
+
     </dependencies>
 </project>
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src/main/java/com/we/MainApplication.java

 package com.we;
 
+import org.mybatis.spring.annotation.MapperScan;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 @SpringBootApplication
+@MapperScan("com.we.mapper")
 public class MainApplication {
     public static void main(String[] args) {
         SpringApplication.run(MainApplication.class, args);
     }
+
 }

src/main/java/com/we/controller/MysqlTestController.java

+package com.we.controller;
+
+import com.we.pojo.Student;
+import com.we.service.IStudentService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+import java.util.List;
+
+@Controller
+public class MysqlTestController {
+
+    private String prefix = "/mysqltest";
+
+
+    @Autowired
+    private IStudentService studentService;
+
+
+    @GetMapping("/listtest")
+    public String selectAll(Model model) {
+        List<Student> stus = studentService.selectStuList();
+        //Map<String, Object> model= new HashMap<String, Object>();
+        //model.put("stus", stus);
+        model.addAttribute("stus", stus);
+        return prefix + "/listtest";
+    }
+}

src/main/java/com/we/mapper/StudentMapper.java

+package com.we.mapper;
+
+import com.we.pojo.Student;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Repository
+public interface StudentMapper {
+
+    public List<Student> selectStuList();
+}

src/main/java/com/we/pojo/Student.java

+package com.we.pojo;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+
+@Getter
+@Setter
+@ToString
+public class Student {
+    private String stuid;
+    private String stuclass;
+    private String stuname;
+    private String stuage;
+    private String stusex;
+    private String stutel;
+
+}

src/main/java/com/we/service/IStudentService.java

+package com.we.service;
+
+import com.we.pojo.Student;
+
+import java.util.List;
+
+public interface IStudentService {
+
+    public List<Student> selectStuList();
+}

src/main/java/com/we/service/impl/StudentServiceImpl.java

+package com.we.service.impl;
+
+import com.we.mapper.StudentMapper;
+import com.we.pojo.Student;
+import com.we.service.IStudentService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class StudentServiceImpl implements IStudentService {
+
+    @Autowired
+    private StudentMapper studentMapper;
+
+    @Override
+    public List<Student> selectStuList() {
+        return studentMapper.selectStuList();
+    }
+}

src/main/resources/mapper/StudentMapper.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.we.mapper.StudentMapper">
+
+    <resultMap type="com.we.pojo.Student" id="StudentResult">
+        <result property="stuid"    column="stuid"    />
+        <result property="stuclass"    column="stuclass"    />
+        <result property="stuname"    column="stuname"    />
+        <result property="stuage"    column="stuage"    />
+        <result property="stusex"    column="stusex"    />
+        <result property="stutel"    column="stutel"    />
+    </resultMap>
+
+    <sql id="selectStuVo">
+        select stuid, stuclass, stuname, stuage, stusex, stutel from student
+    </sql>
+
+    <select id="selectStuList" parameterType="com.we.pojo.Student" resultMap="StudentResult">
+        <include refid="selectStuVo"/>
+        <where>
+            <if test="stuid != null  and stuid != '' "> and stuid = #{stuid}</if>
+            <if test="stuclass != null  and stuclass != '' "> and stuclass = #{stuclass}</if>
+            <if test="stuname != null  and stuname != '' "> and stuname = #{stuname}</if>
+            <if test="stuage != null  and stuage != '' "> and stuage = #{stuage}</if>
+            <if test="stusex != null  and stusex != '' "> and stusex = #{stusex}</if>
+            <if test="stutel != null  and stutel != '' "> and stutel = #{stutel}</if>
+        </where>
+    </select>
+
+</mapper>
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src/main/resources/templates/mysqltest/listtest.html

+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8"/>
+    <title>学生信息</title>
+</head>
+<body>
+<table>
+    <tr th:each="stus : ${stus}">
+        <td th:text="${stus.stuid}"></td>
+        <td th:text="${stus.stuclass}"></td>
+        <td th:text="${stus.stuname}"></td>
+        <td th:text="${stus.stuage}"></td>
+        <td th:text="${stus.stusex}"></td>
+        <td th:text="${stus.stutel}"></td>
+    </tr>
+</table>
+
+</body>
+</html>
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