ChangeLog

pom.xml

@@ -77,11 +77,25 @@
             <version>RELEASE</version>
             <scope>compile</scope>
         </dependency>
+<!--        热部署-->
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-devtools</artifactId>
             <version>2.5.14</version>
         </dependency>
+
+        <!-- Po类中的域，可以用LocalDate来映射数据库中的date类型字段了，可以用LocalTime来映射数据库中的time类型字段了，可以用LocalDateTime字段来映射数据库中的datetime类型字段了 -->
+        <dependency>
+            <groupId>org.mybatis</groupId>
+            <artifactId>mybatis-typehandlers-jsr310</artifactId>
+            <version>1.0.1</version>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.datatype</groupId>
+            <artifactId>jackson-datatype-jsr310</artifactId>
+            <version>2.9.2</version>
+        </dependency>
+
     </dependencies>
 
     <build>

src/main/java/com/louzin/structure/dao/HostDao.java

@@ -0,0 +1,9 @@
+package com.louzin.structure.dao;
+
+import com.louzin.structure.pojo.Host;
+import java.util.List;
+
+public interface HostDao {
+    List<Host> selectAll();
+    Integer update(Host person);
+}

src/main/java/com/louzin/structure/dao/impl/HostDaoImpl.java

@@ -0,0 +1,36 @@
+package com.louzin.structure.dao.impl;
+
+import com.louzin.structure.dao.HostDao;
+import com.louzin.structure.pojo.Host;
+import com.louzin.structure.util.MyBatisUtil;
+import org.apache.ibatis.session.SqlSession;
+
+import java.util.List;
+
+public class HostDaoImpl implements HostDao {
+    @Override
+    public List<Host> selectAll() {
+        List<Host> list=null;
+        try(SqlSession session= MyBatisUtil.getSqlSession()) {
+            HostDao mapper =session.getMapper(HostDao.class);
+            list=mapper.selectAll();
+        }catch (Exception e){
+            System.out.println(e);
+        }
+        return list;
+    }
+
+    @Override
+    public Integer update(Host host) {
+         try(SqlSession session=MyBatisUtil.getSqlSession()){
+            HostDao mapper=session.getMapper(HostDao.class);
+            Integer result=mapper.update(host);
+            session.commit();
+            return result;
+         }catch (Exception e){
+             System.out.println(e);
+         }
+        return 0;
+    }
+
+}

src/main/java/com/louzin/structure/pojo/Host.java

@@ -1,10 +1,86 @@
 package com.louzin.structure.pojo;
 
-import java.sql.Date;
+import com.fasterxml.jackson.annotation.JsonFormat;
+
+import java.util.Date;
 
 public class Host {
+    private Integer id;
     private String username;
     private String password;
     private String host;
-    private Date date;
+    @JsonFormat(pattern = "yyyy-MM-dd HH-mm-ss")
+    private Date ctime;
+    @JsonFormat(pattern = "yyyy-MM-dd HH-mm-ss")
+    private Date utime;
+
+    public Date getUtime() {
+        return utime;
+    }
+
+    public void setUtime(Date utime) {
+        this.utime = utime;
+    }
+
+
+
+    public Host(){}
+
+    @Override
+    public String toString() {
+        return "Host{" +
+                "id=" + id +
+                ", username='" + username + '\'' +
+                ", password='" + password + '\'' +
+                ", host='" + host + '\'' +
+                ", ctime=" + ctime +
+                ", utime=" + utime +
+                '}';
+    }
+
+    public Host(String username, String password, String host) {
+        this.username = username;
+        this.password = password;
+        this.host = host;
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public String getUsername() {
+        return username;
+    }
+
+    public void setUsername(String username) {
+        this.username = username;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+
+    public String getHost() {
+        return host;
+    }
+
+    public void setHost(String host) {
+        this.host = host;
+    }
+
+    public Date getCtime() {
+        return ctime;
+    }
+
+    public void setCtime(Date ctime) {
+        this.ctime = ctime;
+    }
 }

src/main/java/com/louzin/structure/util/test.java

@@ -1,14 +1,17 @@
 package com.louzin.structure.util;
 
+import com.louzin.structure.dao.impl.HostDaoImpl;
 import com.louzin.structure.dao.impl.PersonDaoImpl;
 import com.louzin.structure.dao.impl.UserDaoImpl;
+import com.louzin.structure.pojo.Host;
 import com.louzin.structure.pojo.User;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.*;
 import org.testng.annotations.Test;
 
-import java.sql.Date;
+import java.text.SimpleDateFormat;
+import java.util.Date;
 import java.util.List;
 
 @Controller
@@ -19,7 +22,6 @@ public class test {
     public static void main(String[] args) {
         PersonDaoImpl personDaoImpl = new PersonDaoImpl();
         personDaoImpl.selectAll();
-
     }
     @Test
     @PostMapping("/post")
@@ -62,6 +64,17 @@ public class test {
     }
     @Test
     public void sqldate(){
-        System.out.println(new java.sql.Date(new java.util.Date().getTime()));
+//        System.out.println(new java.sql.Date(new java.util.Date().getTime()));
+        System.out.println(new HostDaoImpl().selectAll());
+    }
+    @Test
+    public void testInserthosttable(){
+        Host host = new Host("louzin","123456","12.1.2.2");
+        host.setId(1);
+        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+//        host.setUtime(new java.util.Date().getTime());
+        //无法将date解析成timestamp 待解决
+        System.out.println(new HostDaoImpl().update(host));
+
     }
 }

src/main/resources/db.properties

@@ -1,2 +1,3 @@
 driver=org.sqlite.JDBC
-url=jdbc:sqlite:sqlite.db
+url=jdbc:sqlite:sqlite.db
+date_string_format=yyyy-MM-dd HH:mm:ss

src/main/resources/mapper/HostMapper.xml

@@ -0,0 +1,13 @@
+<?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.louzin.structure.dao.HostDao">
+    <select id="selectAll" resultType="Host">
+        select * from hosttable
+    </select>
+    <update id="update">
+        update hosttable set host=#{host},username = #{username}, password = #{password},utime=#{utime} where id = #{id}
+    </update>
+</mapper>

src/main/resources/mybatis-config.xml

@@ -31,5 +31,6 @@
     <mappers>
         <mapper resource="mapper/PersonMapper.xml"/>
         <mapper resource="mapper/UserMapper.xml"/>
+        <mapper resource="mapper/HostMapper.xml"/>
     </mappers>
 </configuration>