9月12日下午课堂提交

springboot/pom.xml

@@ -61,16 +61,36 @@
             <scope>test</scope>
         </dependency>
 
-        <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/zhangzihao/springboot/springboot/Controllor/StudentController.java

@@ -0,0 +1,37 @@
+package com.zhangzihao.springboot.springboot.Controllor;
+
+import com.zhangzihao.springboot.springboot.model.Student;
+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 {
+
+    @Autowired
+    IStudentService studentService;
+
+    @RequestMapping("studentlist")
+    public String getStudent(Model model){
+        model.addAttribute("studentlist",studentService.list());
+        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/zhangzihao/springboot/springboot/dao/StudentMapper.java

@@ -0,0 +1,18 @@
+package com.zhangzihao.springboot.springboot.dao;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.zhangzihao.springboot.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/zhangzihao/springboot/springboot/model/Student.java

@@ -0,0 +1,31 @@
+package com.zhangzihao.springboot.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/zhangzihao/springboot/springboot/service/Main.java

@@ -0,0 +1,32 @@
+package com.zhangzihao.springboot.springboot.service;
+
+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://106.53.194.250:63306/202101080104?serverTimezone=UTC",
+                        "202101080104", "@hnucm1254")
+                .globalConfig(builder -> builder
+                        .author("Baomidou")
+                        .outputDir(Paths.get(System.getProperty("user.dir")) + "/src/main/java")
+                        .commentDate("yyyy-MM-dd")
+                )
+                .packageConfig(builder -> builder
+                        .parent("com.baomidou.mybatisplus")
+                        .entity("entity")
+                        .mapper("mapper")
+                        .service("service")
+                        .serviceImpl("service.impl")
+                        .xml("mapper.xml")
+                )
+                .strategyConfig(builder -> builder
+                        .entityBuilder()
+                        .enableLombok()
+                )
+                .templateEngine(new FreemarkerTemplateEngine())
+                .execute();
+    }
+}

springboot/src/main/resources/application.properties

@@ -14,8 +14,8 @@ spring.datasource.username=202101080104
 spring.datasource.password=@hnucm1254
 #??????????MyBatis??
 #??Mybatis?Mapper??
-mybatis.mapper-locations=classpath:mapper/*.xml
+mybatis-plus.mapper-locations=classpath:mapper/*.xml
 #??Mybatis?????
-mybatis.type-aliases-package=com.example.springmybatis.pojo
+mybatis-plus.type-aliases-package=com.example.springmybatis.entity
 
 logging.level.com.example.springmybatis = debug

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

@@ -7,4 +7,16 @@
             select * from order where userid=#{id};
     </select>
 
+<resultMap id="OrderMap" type="">
+     <id column="id" property="id"/>
+     <result column="userid" property="userid"/>
+     <result column="orderprice" property="orderprice"/>
+     <result column="orderinfo" property="orderinfo"/>
+<collection property="orderdetailList"
+            ofType=""
+            select="com.zhangzihao.springboot.springboot.dao.OrderDetailMapper.getOrderDetailByOrderId"
+            column="id">
+
+</collection>
+
 </mapper>

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

@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Title</title>
+</head>
+<body>
+<h1>添加人员页面</h1>
+
+<from th:action="@{/student/addstudent}" method="post">
+  <input type="text" name="name" placeholder="姓名"><br/>
+  <input type="text" name="age" placeholder="年龄"><br/>
+  <input type="text" name="classname" placeholder="班级"><br/>
+  <input type="submit" value="增加用户"></input>
+  </input>
+</from>
+</body>
+</html>

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

@@ -0,0 +1,25 @@
+<!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="${student.name}"></td>
+    <td th:text="${student.age}"></td>
+    <td th:text="${student.className}"></td>
+  </tr>
+</table>
+
+</body>
+</html>