导入mybatis依赖
<!--mybatis-->
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>2.0.1</version>
</dependency>yml实现mybatis依赖
spring:
datasource:
driver-class-name: com.mysql.cj.jdbc.Driver
url: jdbc:mysql://localhost:3306/yanan_user #写自己的数据库名
username: root
password: 123456 #自己的账号密码
mybatis:
type-aliases-package: com.wjr.pojo
configuration:
log-impl: org.apache.ibatis.logging.stdout.StdOutImpl编写前端代码
自行导入jQuery包，并调用
（form表单）
<form>
<input type="text" name="name" placeholder="请输入您的姓名" required="">
<input type="email" name="email" placeholder="请输入您的邮箱" required="">
<input type="text" name="telephone" placeholder="请输入您的联系方式" required="">
<textarea name="message" placeholder="请您提出您的宝贵建议，我们将认真阅读" required=""></textarea>
<input class="btn1" type="button" value="提交" onclick="send(this.form)">
</form>（ajax请求）
<script>
function send(fdform){
alert(fdform);
var fdj = {name:fdform.name.value,email:fdform.email.value,telephone:fdform.telephone.value,message:fdform.message.value};
$.ajax({
url:"jsonfb",
data:fdj,
contentType:"application/json",
type:"GET"
})
}
</script>编写数据库信息
@Data //这里导入了lombok依赖
@Table(name = "feedback")
public class Feedback {
@Id
//主键回填
@KeySql(useGeneratedKeys = true)
private int id;
private String name;
private String email;
private String telephone;
private String message;
}编写insert方法（mapper层接口）
@Repository
public interface FeedbackMapper {
@Insert({"insert into feedback(name,email,telephone,message) values('${feedback.name}','${feedback.email}','${feedback.telephone}','${feedback.message}')"})
int add(@Param("feedback") Feedback feedback);
}编写接口（service层）
public interface FeedbackService {
int addFeedback(String name, String email, String telephone,String message);
}编写接口实现（serviceImpl层）
@Service
public class FeedbackServiceImpl implements FeedbackService{
@Autowired
private FeedbackMapper feedbackMapper;
@Override
public int addFeedback(String name, String email, String telephone,String message){
Feedback fb = new Feedback();
fb.setName(name);
fb.setMessage(message);
fb.setTelephone(telephone);
fb.setEmail(email);
return feedbackMapper.add(fb);
}
}接收信息并存入数据库（controller层）
@Autowired
FeedbackServiceImpl feedbackServiceImpl;
@RequestMapping(value = "/jsonfb") //和ajax请求中url相对应
public String json(Feedback feedback){
System.out.println(feedback);
int f = feedbackServiceImpl.addFeedback(feedback.getName(), feedback.getEmail(), feedback.getTelephone(), feedback.getMessage());
return "contact";
}pom.xml完整依赖
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.4.3</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.wjr</groupId>
<artifactId>yanan</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>yanan</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.6</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
<!-- mybatis-->
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>2.0.1</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.23</version>
</dependency>
<dependency>
<groupId>tk.mybatis</groupId>
<artifactId>mapper-spring-boot-starter</artifactId>
<version>2.1.5</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-resources-plugin</artifactId>
<version>2.4.3</version>
</plugin>
</plugins>
</build>
</project>注：一个简单的实现获取前端反馈信息存入数据库操作，自行尝试，如果有报错，请看注解是否正确，还可能存在各种版本问题；
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