第五次课
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@ -23,12 +23,15 @@ public class PersonController {
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}
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//todo 用网页表格显示列表
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@RequestMapping("personlist")
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public String personlist(Model model){
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model.addAttribute("persons",personService.getPersons());
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public String personlist(Model model,String name){
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if(name!=null&&!name.equals("")){
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model.addAttribute("persons",personService.searchPersonsbyName(name));
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}else {
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model.addAttribute("persons", personService.getPersons());
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}
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return "personlist.html";
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}
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@RequestMapping("addpersonpage")
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public String addPersonPage(){
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return "addperson.html";
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@ -39,4 +42,22 @@ public class PersonController {
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personService.addPerson(person);
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return "redirect:personlist";
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}
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@RequestMapping("deleteperson")
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public String deleteperson(int id){
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personService.deletePerson(id);
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return "redirect:personlist";
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}
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@RequestMapping("updateperson")
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public String updateperson(Person person,Model model){
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//todo 传到一个新的页面更新
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model.addAttribute("person",person);
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return "updateperson.html";
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}
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@RequestMapping("updatepersoncommit")
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public String updatepersoncommit(Person person){
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personService.updatePerson(person);
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return "redirect:personlist";
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}
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}
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@ -0,0 +1,13 @@
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package com.hnucm.springboot.springboot1.dao;
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import com.hnucm.springboot.springboot1.model.Person;
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import org.apache.ibatis.annotations.Mapper;
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import java.util.List;
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//Java定义方法 实现-》写到配置文件中
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@Mapper
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public interface PersonIdcardMapper {
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public List<Person> getAllPersons();
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}
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@ -9,6 +9,10 @@ import java.util.List;
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@Mapper
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public interface PersonMapper {
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public List<Person> searchPersonsbyName(String name);
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public List<Person> getPersons();
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public int addPerson(Person person);
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public int deletePerson(int id);
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public int updatePerson(Person person);
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}
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@ -0,0 +1,10 @@
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package com.hnucm.springboot.springboot1.model;
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import lombok.Data;
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@Data
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public class IdCard {
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private int id;
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private String stuid;
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private String classname;
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}
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@ -7,4 +7,5 @@ public class Person {
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private String name;
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private int age;
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private int id;
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private IdCard idCard;
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}
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@ -7,4 +7,7 @@ import java.util.List;
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public interface PersonService {
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public List<Person> getPersons();
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public int addPerson(Person person);
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public int deletePerson(int id);
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public int updatePerson(Person person);
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public List<Person> searchPersonsbyName(String name);
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}
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@ -1,5 +1,6 @@
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package com.hnucm.springboot.springboot1.service.impl;
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import com.hnucm.springboot.springboot1.dao.PersonIdcardMapper;
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import com.hnucm.springboot.springboot1.dao.PersonMapper;
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import com.hnucm.springboot.springboot1.model.Person;
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import com.hnucm.springboot.springboot1.service.PersonService;
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@ -13,13 +14,34 @@ public class PersonServiceImpl implements PersonService {
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@Autowired
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private PersonMapper personMapper;
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@Autowired
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private PersonIdcardMapper personIdcardMapper;
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@Override
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public List<Person> getPersons() {
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return personMapper.getPersons();
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return personIdcardMapper.getAllPersons();
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}
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@Override
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public int addPerson(Person person) {
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return personMapper.addPerson(person);
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}
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@Override
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public int deletePerson(int id) {
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return personMapper.deletePerson(id);
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}
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@Override
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public int updatePerson(Person person) {
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return personMapper.updatePerson(person);
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}
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@Override
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public List<Person> searchPersonsbyName(String name) {
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return personMapper.searchPersonsbyName(name);
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}
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}
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@ -0,0 +1,23 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="com.hnucm.springboot.springboot1.dao.PersonIdcardMapper">
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<!-- 数据库字段名字和类型Person 完全一致 resultType -->
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<!--不一致 就用resultMap-->
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<select id="getAllPersons" resultMap="PersonMap">
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SELECT person.*,idcard.stuid,idcard.classname
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from person,idcard
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WHERE person.idcardid = idcard.id
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</select>
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<!--property 实体类的字段名字 column数据库字段名字 -->
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<resultMap id="PersonMap" type="com.hnucm.springboot.springboot1.model.Person">
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<id column="id" property="id"/>
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<result column="name" property="name"/>
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<result column="age" property="age"/>
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<association property="idCard" javaType="com.hnucm.springboot.springboot1.model.IdCard">
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<id column="idcardid" property="id"/>
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<result column="stuid" property="stuid"/>
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<result column="classname" property="classname"/>
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</association>
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</resultMap>
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</mapper>
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@ -5,9 +5,23 @@
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<select id="getPersons" resultType="com.hnucm.springboot.springboot1.model.Person">
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select * from person;
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</select>
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<!--1对1 1对多 多对多 查询（复杂） 增删 修 （单表） -->
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<!--person表 idcard表 -->
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<insert id="addPerson" parameterType="com.hnucm.springboot.springboot1.model.Person">
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insert into person(name,age) values(#{name},#{age});
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</insert>
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<delete id="deletePerson" parameterType="Integer">
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delete from person where id = #{id};
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</delete>
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<update id="updatePerson" parameterType="com.hnucm.springboot.springboot1.model.Person">
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update person set name = #{name},age = #{age} where id = #{id};
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</update>
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<select id="searchPersonsbyName" parameterType="String" resultType="com.hnucm.springboot.springboot1.model.Person">
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select * from person where name like '%${name}%';
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</select>
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</mapper>
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@ -7,6 +7,13 @@
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<body>
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<h1>人员列表页面</h1>
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<form th:action="@{/personlist}" method="post">
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<input type="text" name="name" placeholder="请输入用户姓名">
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<input type="submit" value="搜索用户"></input>
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</input>
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</form>
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<a th:href="@{/addpersonpage}">添加Person</a>
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<table border="1">
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@ -14,11 +21,23 @@
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<td>id</td>
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<td>年龄</td>
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<td>姓名</td>
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<td>学号</td>
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<td>班级</td>
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<td>删除操作</td>
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<td>更新操作</td>
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</tr>
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<tr th:each="person:${persons}">
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<td th:text="${person.id}"></td>
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<td th:text="${person.age}"></td>
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<td th:text="${person.name}"></td>
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<td th:text="${person.idCard.stuid}"></td>
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<td th:text="${person.idCard.classname}"></td>
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<td >
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<a th:href="@{'/deleteperson?id='+${person.id}}">删除</a>
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</td>
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<td >
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<a th:href="@{/updateperson(id=${person.id},age=${person.age},name=${person.name})}">更新</a>
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</td>
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</tr>
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</table>
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@ -0,0 +1,18 @@
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Title</title>
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</head>
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<body>
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<h1>更新人员页面</h1>
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<form th:action="@{/updatepersoncommit}" method="post">
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<input type="id" name="id" th:value="${person.id}" hidden="hidden"><br/>
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<input type="text" name="name" placeholder="姓名" th:value="${person.name}"><br/>
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<input type="text" name="age" placeholder="年龄" th:value="${person.age}"><br/>
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<input type="submit" value="更新用户"></input>
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</input>
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</form>
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</body>
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</html>
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