第8次课

springboot/pom.xml

@@ -60,17 +60,37 @@
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.mybatis.spring.boot</groupId>
-            <artifactId>mybatis-spring-boot-starter</artifactId>
-            <version>3.0.3</version>
-        </dependency>
+<!--        <dependency>-->
+<!--            <groupId>org.mybatis.spring.boot</groupId>-->
+<!--            <artifactId>mybatis-spring-boot-starter</artifactId>-->
+<!--            <version>3.0.3</version>-->
+<!--        </dependency>-->
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
             <version>8.0.25</version>
         </dependency>
 
+        <dependency>
+            <groupId>com.baomidou</groupId>
+            <artifactId>mybatis-plus-spring-boot3-starter</artifactId>
+            <version>3.5.7</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.baomidou</groupId>
+            <artifactId>mybatis-plus-generator</artifactId>
+            <version>3.5.7</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.freemarker</groupId>
+            <artifactId>freemarker</artifactId>
+            <version>2.3.31</version>
+        </dependency>
+
+
+
     </dependencies>
 
     <build>

springboot/src/main/java/com/zp/spring/springboot/Main.java

@@ -0,0 +1,34 @@
+package com.zp.spring.springboot;
+
+import com.baomidou.mybatisplus.generator.FastAutoGenerator;
+import com.baomidou.mybatisplus.generator.engine.FreemarkerTemplateEngine;
+
+import java.nio.file.Paths;
+
+public class Main
+{
+    public static void main(String[] args)
+    {
+        FastAutoGenerator.create("jdbc:mysql://106.53.194.250:63306/mybatis202101080126?serverTimezone=UTC"
+                        , "202101080126", "@hnucm1254")
+                .globalConfig(builder -> builder
+                        .author("zhangping")
+                        .outputDir(Paths.get(System.getProperty("user.dir")) + "/src/main/java")
+                        .commentDate("yyyy-MM-dd")
+                )
+                .packageConfig(builder -> builder
+                        .parent("com.zp.spring.springboot")
+                        .entity("model")
+                        .mapper("dao")
+                        .service("service")
+                        .serviceImpl("service.impl")
+                        .xml("mapper.xml")
+                )
+                .strategyConfig(builder -> builder
+                        .entityBuilder()
+                        .enableLombok()
+                )
+                .templateEngine(new FreemarkerTemplateEngine())
+                .execute();
+    }
+}

springboot/src/main/java/com/zp/spring/springboot/controller/PersonController.java

@@ -10,6 +10,8 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.ResponseBody;
 
 import java.util.List;
+
+
 @Controller
 public class PersonController {
     @Autowired

springboot/src/main/java/com/zp/spring/springboot/controller/StudentController.java

@@ -0,0 +1,42 @@
+package com.zp.spring.springboot.controller;
+
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.zp.spring.springboot.model.Student;
+import com.zp.spring.springboot.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.RequestMapping;
+
+@Controller
+@RequestMapping("/student")
+public class StudentController {
+//增删改查方法
+    @Autowired
+IStudentService studentService;
+    @RequestMapping("studentlist")
+    public String getStudent(Model model){
+        Page<Student>page=new Page<>(1,5);
+        model.addAttribute("studentlist",studentService.page(page).getRecords());
+//        QueryWrapper<Student> queryWrapper=new QueryWrapper<>();
+//        queryWrapper.like("name","test");
+//
+//        model.addAttribute("studentlist",
+//                studentService.getBaseMapper().selectList(queryWrapper));
+        return "studentlist.html";
+    }
+    @RequestMapping("addstudentpage")
+    public String addStudentPage(){
+        return "addstudent.html";
+    }
+    @RequestMapping("addstudent")
+    public String addStudent(String name,int age,String classname){
+        Student student=new Student();
+        student.setAge(age);
+        student.setName(name);
+        student.setClassname(classname);
+        studentService.save(student);
+        return "redirect:/student/studentlist";
+    }
+}

springboot/src/main/java/com/zp/spring/springboot/dao/StudentMapper.java

@@ -0,0 +1,17 @@
+package com.zp.spring.springboot.dao;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.zp.spring.springboot.model.Student;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * <p>
+ *  Mapper 接口
+ * </p>
+ *
+ * @author 张三
+ * @since 2024-09-12
+ */
+@Mapper
+public interface StudentMapper extends BaseMapper<Student> {
+
+}

springboot/src/main/java/com/zp/spring/springboot/model/Student.java

@@ -0,0 +1,31 @@
+package com.zp.spring.springboot.model;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import java.io.Serializable;
+import lombok.Getter;
+import lombok.Setter;
+
+/**
+ * <p>
+ *
+ * </p>
+ *
+ * @author 张三
+ * @since 2024-09-12
+ */
+@Getter
+@Setter
+public class Student implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @TableId(value = "id", type = IdType.AUTO)
+    private Integer id;
+
+    private Integer age;
+
+    private String name;
+
+    private String classname;
+}

springboot/src/main/java/com/zp/spring/springboot/service/IStudentService.java

@@ -0,0 +1,7 @@
+package com.zp.spring.springboot.service;
+
+import com.zp.spring.springboot.model.Student;
+
+public interface IStudentService {
+
+}

springboot/src/main/java/com/zp/spring/springboot/service/impl/StudentServiceImpl.java

@@ -0,0 +1,20 @@
+package com.zp.spring.springboot.service.Impl;
+
+import com.zp.spring.springboot.model.Student;
+import com.zp.spring.springboot.dao.StudentMapper;
+import com.zp.spring.springboot.service.IStudentService;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import org.springframework.stereotype.Service;
+
+/**
+ * <p>
+ *  服务实现类
+ * </p>
+ *
+ * @author 张三
+ * @since 2024-09-12
+ */
+@Service
+public class StudentServiceImpl extends ServiceImpl<StudentMapper, Student> implements IStudentService {
+
+}

springboot/src/main/java/com/zp/spring/springboot/utils/MybatisPlusConfig.java

@@ -0,0 +1,5 @@
+package com.zp.spring.springboot.utils;
+
+public class MybatisPlusConfig
+{
+}

springboot/src/main/resources/application.properties

@@ -14,7 +14,7 @@ spring.datasource.username=202101080126
 spring.datasource.password=@hnucm1254
 
 
-mybatis.mapper-locations=classpath:mapper/*.xml
+mybatis-plus.mapper-locations=classpath:mapper/*.xml
 
 mybatis.type-aliases-package=com.zp.spring.springboot.model;
 

springboot/src/main/resources/mapper/StudentMapper.xml

@@ -0,0 +1,5 @@
+<?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.zp.spring.springboot.dao.StudentMapper">
+
+</mapper>

springboot/src/main/resources/templates/personlist.html

@@ -30,7 +30,7 @@
     <td th:text="${person.id}"></td>
     <td th:text="${person.age}"></td>
     <td th:text="${person.name}"></td>
-    <div th:text="${person.idCard}!=null">
+    <div th:if="${person.idCard}!=null">
         <td th:text="${person.idCard.stuid}"></td>
         <td th:text="${person.idCard.classname}"></td>
 

springboot/src/main/resources/templates/studentlist.html

@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Title</title>
+</head>
+<body>
+<h1>人员列表页面</h1>
+<table border="1">
+<tr>
+    <td>id</td>
+    <td>年龄</td>
+    <td>姓名</td>
+    <td>班级</td>
+</tr>
+<tr th:each="student:${studentlist}">
+    <td th:text="${student.id}"></td>
+    <td th:text="${student.age}"></td>
+    <td th:text="${student.name}"></td>
+    <td th:text="${student.classname}"></td>
+</tr>
+</table>
+</body>
+</html>