第五次课

springboot1/src/main/java/com/hnucm/springboot/springboot1/controller/PersonController.java

@@ -23,12 +23,15 @@ public class PersonController {
     }
     //todo 用网页表格显示列表
     @RequestMapping("personlist")
-    public String personlist(Model model){
+    public String personlist(Model model,String name){
-        model.addAttribute("persons",personService.getPersons());
+        if(name!=null&&!name.equals("")){
+            model.addAttribute("persons",personService.searchPersonsbyName(name));
+        }else {
+            model.addAttribute("persons", personService.getPersons());
+        }
         return "personlist.html";
     }
 
-
     @RequestMapping("addpersonpage")
     public String addPersonPage(){
         return "addperson.html";
@@ -39,4 +42,22 @@ public class PersonController {
         personService.addPerson(person);
         return "redirect:personlist";
     }
+
+    @RequestMapping("deleteperson")
+    public String deleteperson(int id){
+        personService.deletePerson(id);
+        return "redirect:personlist";
+    }
+
+    @RequestMapping("updateperson")
+    public String updateperson(Person person,Model model){
+        //todo 传到一个新的页面更新
+        model.addAttribute("person",person);
+        return "updateperson.html";
+    }
+    @RequestMapping("updatepersoncommit")
+    public String updatepersoncommit(Person person){
+        personService.updatePerson(person);
+        return "redirect:personlist";
+    }
 }

springboot1/src/main/java/com/hnucm/springboot/springboot1/dao/PersonIdcardMapper.java

@@ -0,0 +1,13 @@
+package com.hnucm.springboot.springboot1.dao;
+
+import com.hnucm.springboot.springboot1.model.Person;
+import org.apache.ibatis.annotations.Mapper;
+
+import java.util.List;
+
+//Java定义方法   实现-》写到配置文件中
+
+@Mapper
+public interface PersonIdcardMapper {
+    public List<Person> getAllPersons();
+}

springboot1/src/main/java/com/hnucm/springboot/springboot1/dao/PersonMapper.java

@@ -9,6 +9,10 @@ import java.util.List;
 
 @Mapper
 public interface PersonMapper {
+    public List<Person> searchPersonsbyName(String name);
+
     public List<Person> getPersons();
     public int addPerson(Person person);
+    public int deletePerson(int id);
+    public int updatePerson(Person person);
 }

springboot1/src/main/java/com/hnucm/springboot/springboot1/model/IdCard.java

@@ -0,0 +1,10 @@
+package com.hnucm.springboot.springboot1.model;
+
+import lombok.Data;
+
+@Data
+public class IdCard {
+    private int id;
+    private String stuid;
+    private String classname;
+}

springboot1/src/main/java/com/hnucm/springboot/springboot1/model/Person.java

@@ -7,4 +7,5 @@ public class Person {
     private String name;
     private int age;
     private int id;
+    private IdCard idCard;
 }

springboot1/src/main/java/com/hnucm/springboot/springboot1/service/PersonService.java

@@ -7,4 +7,7 @@ import java.util.List;
 public interface PersonService {
     public List<Person> getPersons();
     public int addPerson(Person person);
+    public int deletePerson(int id);
+    public int updatePerson(Person person);
+    public List<Person> searchPersonsbyName(String name);
 }

springboot1/src/main/java/com/hnucm/springboot/springboot1/service/impl/PersonServiceImpl.java

@@ -1,5 +1,6 @@
 package com.hnucm.springboot.springboot1.service.impl;
 
+import com.hnucm.springboot.springboot1.dao.PersonIdcardMapper;
 import com.hnucm.springboot.springboot1.dao.PersonMapper;
 import com.hnucm.springboot.springboot1.model.Person;
 import com.hnucm.springboot.springboot1.service.PersonService;
@@ -13,13 +14,34 @@ public class PersonServiceImpl implements PersonService {
 
     @Autowired
     private PersonMapper personMapper;
+
+    @Autowired
+    private PersonIdcardMapper personIdcardMapper;
+
     @Override
     public List<Person> getPersons() {
-        return  personMapper.getPersons();
+        return  personIdcardMapper.getAllPersons();
     }
 
     @Override
     public int addPerson(Person person) {
         return personMapper.addPerson(person);
     }
+
+    @Override
+    public int deletePerson(int id) {
+        return personMapper.deletePerson(id);
+    }
+
+    @Override
+    public int updatePerson(Person person) {
+        return personMapper.updatePerson(person);
+    }
+
+    @Override
+    public List<Person> searchPersonsbyName(String name) {
+        return personMapper.searchPersonsbyName(name);
+    }
+
+
 }

springboot1/src/main/resources/mapper/PersonIdcardMapper.xml

@@ -0,0 +1,23 @@
+<?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.hnucm.springboot.springboot1.dao.PersonIdcardMapper">
+    <!-- 数据库字段名字和类型Person 完全一致 resultType -->
+    <!--不一致 就用resultMap-->
+    <select id="getAllPersons" resultMap="PersonMap">
+        SELECT person.*,idcard.stuid,idcard.classname
+        from person,idcard
+        WHERE person.idcardid = idcard.id
+    </select>
+    <!--property 实体类的字段名字 column数据库字段名字 -->
+    <resultMap id="PersonMap" type="com.hnucm.springboot.springboot1.model.Person">
+        <id column="id" property="id"/>
+        <result column="name" property="name"/>
+        <result column="age" property="age"/>
+        <association property="idCard" javaType="com.hnucm.springboot.springboot1.model.IdCard">
+            <id column="idcardid" property="id"/>
+            <result column="stuid" property="stuid"/>
+            <result column="classname" property="classname"/>
+        </association>
+
+    </resultMap>
+</mapper>

springboot1/src/main/resources/mapper/PersonMapper.xml

@@ -5,9 +5,23 @@
     <select id="getPersons" resultType="com.hnucm.springboot.springboot1.model.Person">
         select * from person;
     </select>
+    <!--1对1  1对多 多对多 查询（复杂）  增删 修 （单表） -->
+    <!--person表   idcard表   -->
+
 
     <insert id="addPerson" parameterType="com.hnucm.springboot.springboot1.model.Person">
         insert into person(name,age) values(#{name},#{age});
     </insert>
 
+
+    <delete id="deletePerson" parameterType="Integer">
+           delete from person where id = #{id};
+    </delete>
+    <update id="updatePerson" parameterType="com.hnucm.springboot.springboot1.model.Person">
+        update person set name = #{name},age = #{age} where id = #{id};
+    </update>
+
+    <select id="searchPersonsbyName" parameterType="String" resultType="com.hnucm.springboot.springboot1.model.Person">
+        select * from person where name like '%${name}%';
+    </select>
 </mapper>

springboot1/src/main/resources/templates/personlist.html

@@ -7,6 +7,13 @@
 <body>
 <h1>人员列表页面</h1>
 
+<form th:action="@{/personlist}" method="post">
+    <input type="text" name="name" placeholder="请输入用户姓名">
+    <input type="submit" value="搜索用户"></input>
+    </input>
+</form>
+
+
 <a th:href="@{/addpersonpage}">添加Person</a>
 
 <table border="1">
@@ -14,11 +21,23 @@
         <td>id</td>
         <td>年龄</td>
         <td>姓名</td>
+        <td>学号</td>
+        <td>班级</td>
+        <td>删除操作</td>
+        <td>更新操作</td>
     </tr>
     <tr th:each="person:${persons}">
         <td th:text="${person.id}"></td>
         <td th:text="${person.age}"></td>
         <td th:text="${person.name}"></td>
+        <td th:text="${person.idCard.stuid}"></td>
+        <td th:text="${person.idCard.classname}"></td>
+        <td >
+            <a th:href="@{'/deleteperson?id='+${person.id}}">删除</a>
+        </td>
+        <td >
+            <a th:href="@{/updateperson(id=${person.id},age=${person.age},name=${person.name})}">更新</a>
+        </td>
     </tr>
 </table>
 

springboot1/src/main/resources/templates/updateperson.html

@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Title</title>
+</head>
+<body>
+<h1>更新人员页面</h1>
+
+<form th:action="@{/updatepersoncommit}" method="post">
+    <input type="id" name="id" th:value="${person.id}" hidden="hidden"><br/>
+    <input type="text" name="name" placeholder="姓名" th:value="${person.name}"><br/>
+    <input type="text" name="age" placeholder="年龄" th:value="${person.age}"><br/>
+    <input type="submit" value="更新用户"></input>
+    </input>
+</form>
+</body>
+</html>