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基于Spring MVC + Spring + MyBatis的【图书信息管理系统（二）】

 2 years ago
source link: https://blog.csdn.net/weixin_44893902/article/details/121012207
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资源下载：https://download.csdn.net/download/weixin_44893902/35123371

练习点设计：添加、删除、修改

一、语言和环境

  1. 实现语言：JAVA语言。
  2. 环境要求：MyEclipse/Eclipse + Tomcat + MySql。
  3. 使用技术：Jsp+Servlet+JavaBean或SpringMVC + Spring + Mybatis。

二、实现功能

为了方便学校对图书进行管理，开发一套BS结构的图书信息管理系统，主要功能如下：

  1. 首页默认显示所有图书信息，并且按添加时间降序排列。
    （1）按添加时间降序排列。
    （2）底部显示添加书籍按钮。
    图1 首页显示所有图书信息
  2. 点击“添加书籍”链接，跳转至书籍添加界面。
    （1）添加时间默认新增时取当前时间即可。

图2 新增书籍页面
3. 用户输入完整信息提交以后，要求自动跳转至列表界面，此时列表界面显示新增的书籍信息（按添加时间降序排列，应该在第一条）。
4. 用户点击“列表”界面中的删除超链接，执行删除操作，然后列表进行自动刷新。
5. 用户点击“列表”界面中的修改超链接，跳转到修改页面，并在该页面回显需要修改的书籍信息.
、图3 修改书籍页面

三、数据库设计

  1. 创建数据库（person_db）。
  2. 创建数据表（tb_person），结构如下。
字段名说明字段类型长度备注id编号int主键，自增，增量为1BookName书籍名称varchar50不能为空author作者varchar10不能为空pages页数Int不能为空createTime创建时间datetime不能为空

四、推荐实现步骤

  1. JSP版本的实现步骤如下：
    （1）按以上数据库要求建库、建表，并添加测试数据（不少于5条，测试数据不需要和上图一致）。
    （2）创建Web工程并创建各个包，导入工程所需的jar文件。
    （3）创建Book实体类。
    （4）创建Servlet获取用户不同的请求，并将这些请求转发至业务处理层相应的业务方法。
    （5）创建业务处理层，在其中定义业务方法，实现系统需求，在这些业务方法中需要执行DAO方法。
    （6）创建BaseDAO工具类，使用JDBC完成数据表数据的查询、删除、添加的功能方法代码。
    （7）编写JSP页面展示数据的查询结果。
    2.SSM版本的实现步骤如下：
    （1）创建数据库，创建数据表，添加测试数据（不少于5条，测试数据不需要和上图一致）。
    （2）创建Web工程并创建各个包，导入工程所需的jar文件。
    （3）添加相关SSM框架支持。
    （4）配置项目所需要的各种配置文件（mybatis配置文件、spring配置文件、springMVC配置文件）。
    （5）创建实体类。
    （6）创建MyBatis操作数据库所需的Mapper接口及其Xml映射数据库操作语句文件。
    （7）创建业务逻辑相应的接口及其实现类，实现相应的业务，并在类中加入对DAO/Mapper的引用和注入。
    （8）创建Controller控制器类，在Controller中添加对业务逻辑类的引用和注入，并配置springMVC配置文件。
    （9）创建相关的操作页面，并使用CSS对页面进行美化。
    （10）实现页面的各项操作功能，操作要人性化。
    （11）调试运行成功后导出相关的数据库文件并提交。

五、实现代码

1、MySQL数据库

person_db.sql
在这里插入图片描述

/*
Date: 2021-07-20 12:46:17
*/

SET FOREIGN_KEY_CHECKS=0;

-- ----------------------------
-- Table structure for `tb_person`
-- ----------------------------
DROP TABLE IF EXISTS `tb_person`;
CREATE TABLE `tb_person` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `BookName` varchar(50) NOT NULL,
  `author` varchar(10) NOT NULL,
  `pages` int(11) NOT NULL,
  `createTime` datetime NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=8 DEFAULT CHARSET=utf8;

-- ----------------------------
-- Records of tb_person
-- ----------------------------
INSERT INTO `tb_person` VALUES ('1', '《红楼梦》', '曹雪芹', '542', '2021-07-20 10:44:26');
INSERT INTO `tb_person` VALUES ('2', '《水浒传》', '施耐庵', '652', '2021-07-20 10:44:57');
INSERT INTO `tb_person` VALUES ('3', '《镜花缘》', '李汝珍', '441', '2021-07-20 10:45:59');
INSERT INTO `tb_person` VALUES ('5', '《西游记》', '吴承恩', '5000', '2021-07-20 12:42:43');
INSERT INTO `tb_person` VALUES ('7', '《三国演义》', '罗贯中', '10000', '2021-07-20 12:42:07');

2、项目Java代码

目录结构
person_db
在这里插入图片描述

JAR包：

在这里插入图片描述在这里插入图片描述

com.controller

PersonController.java

package com.controller;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;

import javax.annotation.Resource;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;

import com.entity.TbPerson;
import com.service.PersonService;
import com.sun.org.apache.bcel.internal.generic.NEW;

@Controller
public class PersonController {
	@Resource
	private PersonService service;
	@RequestMapping("selectAll")
	public String selectAll(Model model) {
		List<TbPerson> list=service.selsctAll();
		model.addAttribute("personList", list);
		return "/person";
	}
	@RequestMapping("deleteByid")
	public String deleteByid(int id) {
		int rows=service.delete(id);
		return "redirect:/selectAll.do";
	}
	
	//添加页面跳转
	@RequestMapping("getpage")
	public String getpage() {
		return "/addPage";
	}

	//添加
	@RequestMapping("addPerson")
	public String addPerson(TbPerson tbPerson) {
		SimpleDateFormat simple=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		tbPerson.setCreatetime(simple.format(new Date()));
		int rows=service.addPerson(tbPerson);
		return "redirect:/selectAll.do";
	}
	
	//根据id查询
	@RequestMapping("getbyid")
	public String getbyid(Model model,int id) {
		TbPerson tbPerson=service.getByid(id);
		model.addAttribute("tbPerson", tbPerson);
		return "/addPage";
	}
	//修改
	@RequestMapping("update")
	public String update(TbPerson tbPerson) {
		SimpleDateFormat simple=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		tbPerson.setCreatetime(simple.format(new Date()));
		int rows=service.update(tbPerson);
		return "redirect:/selectAll.do";
	}
}

com.dao

TbPersonMapper.java

package com.dao;

import com.entity.TbPerson;
import java.util.List;

public interface TbPersonMapper {
    int deleteByPrimaryKey(Integer id);

    int insert(TbPerson record);

    TbPerson selectByPrimaryKey(Integer id);

    List<TbPerson> selectAll();

    int updateByPrimaryKey(TbPerson record);
}

TbPersonMapper.xml

<?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.dao.TbPersonMapper" >
  <resultMap id="BaseResultMap" type="com.entity.TbPerson" >
    <id column="id" property="id" jdbcType="INTEGER" />
    <result column="BookName" property="bookname" jdbcType="VARCHAR" />
    <result column="author" property="author" jdbcType="VARCHAR" />
    <result column="pages" property="pages" jdbcType="INTEGER" />
    <result column="createTime" property="createtime" jdbcType="TIMESTAMP" />
  </resultMap>
  <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer" >
    delete from tb_person
    where id = #{id,jdbcType=INTEGER}
  </delete>
  <insert id="insert" parameterType="com.entity.TbPerson" >
    insert into tb_person (id, BookName, author, 
      pages, createTime)
    values (#{id,jdbcType=INTEGER}, #{bookname,jdbcType=VARCHAR}, #{author,jdbcType=VARCHAR}, 
      #{pages,jdbcType=INTEGER}, #{createtime,jdbcType=TIMESTAMP})
  </insert>
  <update id="updateByPrimaryKey" parameterType="com.entity.TbPerson" >
    update tb_person
    set BookName = #{bookname,jdbcType=VARCHAR},
      author = #{author,jdbcType=VARCHAR},
      pages = #{pages,jdbcType=INTEGER},
      createTime = #{createtime,jdbcType=TIMESTAMP}
    where id = #{id,jdbcType=INTEGER}
  </update>
  <select id="selectByPrimaryKey" resultMap="BaseResultMap" parameterType="java.lang.Integer" >
    select id, BookName, author, pages, createTime
    from tb_person
    where id = #{id,jdbcType=INTEGER}
  </select>
  <select id="selectAll" resultMap="BaseResultMap" >
    select id, BookName, author, pages, createTime
    from tb_person ORDER BY createTime DESC
  </select>
</mapper>

com.entity

TbPerson.java

package com.entity;

import java.util.Date;

public class TbPerson {
    private Integer id;

    private String bookname;

    private String author;

    private Integer pages;

    private String createtime;

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public String getBookname() {
        return bookname;
    }

    public void setBookname(String bookname) {
        this.bookname = bookname == null ? null : bookname.trim();
    }

    public String getAuthor() {
        return author;
    }

    public void setAuthor(String author) {
        this.author = author == null ? null : author.trim();
    }

    public Integer getPages() {
        return pages;
    }

    public void setPages(Integer pages) {
        this.pages = pages;
    }

    public String getCreatetime() {
        return createtime;
    }

    public void setCreatetime(String createtime) {
        this.createtime = createtime;
    }
}

com.service

PersonService.java

package com.service;

import java.util.List;

import com.entity.TbPerson;

public interface PersonService {
	//查询所有
	List<TbPerson> selsctAll();
	//删除
	int delete(int id);
	//根据id查询
	TbPerson getByid(int id);
	//修改
	int update(TbPerson tbPerson);
	//添加
	int addPerson(TbPerson tbPerson);

}

com.service.impl

PersonServiceImpl.java

package com.service.impl;

import java.util.List;

import javax.annotation.Resource;

import org.springframework.stereotype.Service;

import com.dao.TbPersonMapper;
import com.entity.TbPerson;
import com.service.PersonService;
@Service
public class PersonServiceImpl implements PersonService {
	@Resource
	private TbPersonMapper mapper;

	@Override
	public List<TbPerson> selsctAll() {
		// TODO Auto-generated method stub
		List<TbPerson> list=mapper.selectAll();
		return list;
	}

	@Override
	public int delete(int id) {
		// TODO Auto-generated method stub
		int rows=mapper.deleteByPrimaryKey(id);
		return rows;
	}

	@Override
	public TbPerson getByid(int id) {
		// TODO Auto-generated method stub
		TbPerson tbPerson=mapper.selectByPrimaryKey(id);
		return tbPerson;
	}

	@Override
	public int update(TbPerson tbPerson) {
		// TODO Auto-generated method stub
		int rows=mapper.updateByPrimaryKey(tbPerson);
		return rows;
	}

	@Override
	public int addPerson(TbPerson tbPerson) {
		// TODO Auto-generated method stub
		int rows=mapper.insert(tbPerson);
		return rows;
	}

}

genter

Generator.java

package genter;
import java.io.IOException;
import java.io.InputStream;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import org.mybatis.generator.api.MyBatisGenerator;
import org.mybatis.generator.config.Configuration;
import org.mybatis.generator.config.xml.ConfigurationParser;
import org.mybatis.generator.exception.InvalidConfigurationException;
import org.mybatis.generator.exception.XMLParserException;
import org.mybatis.generator.internal.DefaultShellCallback;

public class Generator {
/*
 * targetRuntime="MyBatis3Simple", 不生成Example
 */
public void generateMyBatis() {
	//MBG执行过程中的警告信息
	List<String> warnings = new ArrayList<String>();
	//当生成的代码重复时，覆盖原代码
	boolean overwrite = true ;
	String generatorFile = "/generatorConfig.xml";
	//String generatorFile = "/generator/generatorConfigExample.xml";
	//读取MBG配置文件
	InputStream is = Generator.class.getResourceAsStream(generatorFile);

	ConfigurationParser cp = new ConfigurationParser(warnings);
	Configuration config;
	try {
		config = cp.parseConfiguration(is);
		DefaultShellCallback callback = new DefaultShellCallback(overwrite);
		//创建MBG
		MyBatisGenerator myBatisGenerator = new MyBatisGenerator(config, callback, warnings);
		//执行生成代码
		myBatisGenerator.generate(null);
	} catch (IOException e) {
		e.printStackTrace();
	} catch (XMLParserException e) {
		e.printStackTrace();
	} catch (InvalidConfigurationException e) {
		e.printStackTrace();
	} catch (SQLException e) {
		e.printStackTrace();
	} catch (InterruptedException e) {
		e.printStackTrace();
	}
	for (String warning : warnings) {
		System.out.println(warning);
	}
}


public static void main(String[] args) {
	Generator generator = new Generator();
	generator.generateMyBatis();
}
}

MyBatis

SqlMapConfig.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
	"http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
<!-- 别名 -->
	<typeAliases>
		<package name="com.entity"/>
	</typeAliases>
</configuration>

spring

applicationContext-dao.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
		xmlns="http://www.springframework.org/schema/beans" 
		xmlns:context="http://www.springframework.org/schema/context" 
		xmlns:aop="http://www.springframework.org/schema/aop" 
		xmlns:tx="http://www.springframework.org/schema/tx" 
		xmlns:mvc="http://www.springframework.org/schema/mvc" 
		xsi:schemaLocation="http://www.springframework.org/schema/beans 
		http://www.springframework.org/schema/beans/spring-beans-4.2.xsd 
		http://www.springframework.org/schema/context 
		http://www.springframework.org/schema/context/spring-context-4.2.xsd 
		http://www.springframework.org/schema/aop 
		http://www.springframework.org/schema/aop/spring-aop-4.2.xsd 
		http://www.springframework.org/schema/tx 
		http://www.springframework.org/schema/tx/spring-tx-4.2.xsd 
		http://www.springframework.org/schema/mvc 
		http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd ">
		<context:property-placeholder location="classpath:dataSource.properties"/>
		<!-- 数据源配置 -->
		<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
			<property name="driverClassName" value="${db.driverClass}"></property>
			<property name="Url" value="${db.jdbcUrl}"></property>
			<property name="username" value="${db.user}"></property>
			<property name="password" value="${db.password}"></property>
		</bean>
		<!-- 配置SqlSessionFactory -->
		<bean class="org.mybatis.spring.SqlSessionFactoryBean">
			<!-- 设置MyBatis核心配置文件 -->
			<property name="configLocation" value="classpath:MyBatis/SqlMapConfig.xml"></property>
			<!-- 设置数据源 -->
			<property name="dataSource" ref="dataSource"></property>
		</bean>
		<!-- 配置Mapper扫描 -->
		<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
			<!-- 设置Mapper扫描包 -->
			<property name="basePackage" value="com.dao"></property>
		</bean>	
</beans>

applicationContext-service.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
		xmlns="http://www.springframework.org/schema/beans" 
		xmlns:context="http://www.springframework.org/schema/context" 
		xmlns:aop="http://www.springframework.org/schema/aop" 
		xmlns:tx="http://www.springframework.org/schema/tx" 
		xmlns:mvc="http://www.springframework.org/schema/mvc" 
		xsi:schemaLocation="http://www.springframework.org/schema/beans 
		http://www.springframework.org/schema/beans/spring-beans-4.2.xsd 
		http://www.springframework.org/schema/context 
		http://www.springframework.org/schema/context/spring-context-4.2.xsd 
		http://www.springframework.org/schema/aop 
		http://www.springframework.org/schema/aop/spring-aop-4.2.xsd 
		http://www.springframework.org/schema/tx 
		http://www.springframework.org/schema/tx/spring-tx-4.2.xsd 
		http://www.springframework.org/schema/mvc 
		http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd ">
	
	<!-- 配置Service层扫描 -->
	<context:component-scan base-package="com.service"></context:component-scan>	
	<!-- 配置事务管理层 -->
	<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<property name="dataSource" ref="dataSource"></property>
	</bean>
	<!-- 开启注解方式管理AOP事务 -->
	<tx:annotation-driven transaction-manager="transactionManager"/>
</beans>

spring-mvc.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
		xmlns="http://www.springframework.org/schema/beans" 
		xmlns:context="http://www.springframework.org/schema/context" 
		xmlns:aop="http://www.springframework.org/schema/aop" 
		xmlns:tx="http://www.springframework.org/schema/tx" 
		xmlns:mvc="http://www.springframework.org/schema/mvc" 
		xsi:schemaLocation="http://www.springframework.org/schema/beans 
		http://www.springframework.org/schema/beans/spring-beans-4.2.xsd 
		http://www.springframework.org/schema/context 
		http://www.springframework.org/schema/context/spring-context-4.2.xsd 
		http://www.springframework.org/schema/aop 
		http://www.springframework.org/schema/aop/spring-aop-4.2.xsd 
		http://www.springframework.org/schema/tx 
		http://www.springframework.org/schema/tx/spring-tx-4.2.xsd 
		http://www.springframework.org/schema/mvc 
		http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd ">
		
	<!-- 配置Controller层扫描包 -->	
		<context:component-scan base-package="com.controller"></context:component-scan>
	<!-- 配置注解驱动 -->
	<mvc:annotation-driven></mvc:annotation-driven>
	<!-- 配置视图解析器 -->
	<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" >
				<property name="prefix" value="/WEB-INF/jsp"></property>
				<property name="suffix" value=".jsp"></property>
	</bean>
</beans>

dataSource.properties

db.driverClass=com.mysql.jdbc.Driver
db.jdbcUrl=jdbc:mysql://127.0.0.1:3306/person_db?useUnicode=true&characterEncoding=UTF-8&useSSL=false
db.user=root
db.password=123456

generatorConfig.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE generatorConfiguration
  PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
  "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">
<!-- 配置生成器 -->
<generatorConfiguration>
	<context id="MySQLContext" targetRuntime="MyBatis3Simple" defaultModelType="flat">
		<!-- 配置前置分隔符和后置分隔符 -->
		<property name="beginningDelimiter" value="`"/>
		<property name="endingDelimiter" value="`"/>
		<!-- 配置注释信息 -->
		<commentGenerator>
			<!-- 不生成注释 -->
			<property name="suppressAllComments" value="true"/>
			<property name="suppressDate" value="true"/>
			<property name="addRemarkComments" value="true"/>
		</commentGenerator>
		<!-- 数据库连接配置 -->
		<jdbcConnection driverClass="com.mysql.jdbc.Driver" 
				connectionURL="jdbc:mysql://localhost:3306/person_db"
				userId="root" password="123456">
		</jdbcConnection>
		
		<!-- targetPackage：生成实体类存放的包名， targetProject：指定目标项目路径，可以使用相对路径或绝对路径 -->
		<javaModelGenerator targetPackage="com.entity" targetProject="src">
			<property name="trimStrings" value="true"/>
		</javaModelGenerator>
		
		<!-- 配置SQL映射器Mapper.xml文件的属性 -->
		<sqlMapGenerator targetPackage="com.dao" targetProject="src"/>
		
		<!-- type="XMLMAPPER"：所有的方法都在XML中，接口调用依赖XML文件 -->
		<javaClientGenerator targetPackage="com.dao" type="XMLMAPPER" 
								targetProject="src"/>
								
		<!-- 生成所有表的映射 -->
		<table tableName="%"></table>		
	</context>
</generatorConfiguration>

WebContent

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">
  <display-name>person_db</display-name>
  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
    <welcome-file>index.htm</welcome-file>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>default.html</welcome-file>
    <welcome-file>default.htm</welcome-file>
    <welcome-file>default.jsp</welcome-file>
  </welcome-file-list>
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:spring/applicationContext-*.xml</param-value>
  </context-param>
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  <servlet>
    <servlet-name>springmvc</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:spring/spring-mvc.xml</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>springmvc</servlet-name>
    <url-pattern>*.do</url-pattern>
  </servlet-mapping>
  <filter>
    <filter-name>CharacterEncodingFilter</filter-name>
    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    <init-param>
      <param-name>encoding</param-name>
      <param-value>UTF-8</param-value>
    </init-param>
    <init-param>
      <param-name>forceEncoding</param-name>
      <param-value>true</param-value>
    </init-param>
  </filter>
</web-app>

index.jsp

<%@ page language="java" contentType="text/html; charset=utf-8"
	pageEncoding="utf-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Insert title here</title>
</head>
<body>
	<script>
		window.location.href = "selectAll.do";
	</script>
</body>
</html>

addPage.jsp

<%@ page language="java" contentType="text/html; charset=utf-8"
	pageEncoding="utf-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Insert title here</title>

<style type="text/css">
.boddy {
	border: 1px solid black;
	width: 30%;
	margin: 0 auto;
	padding: 20px;
}
</style>
</head>
<body>
	<div class="boddy">
		<c:if test="${tbPerson.id==null }">
			<h1>添加书籍</h1>
			<form action="addPerson.do">
		</c:if>
		<c:if test="${tbPerson.id!=null }">
			<h1>修改书籍</h1>
			<form action="update.do">
		</c:if>
		<input type="hidden" name="id" value="${tbPerson.id }" />
		<p>
			<label>书籍名称：</label> <input type="text" name="bookname"
				value="${tbPerson.bookname }" />
		</p>
		<p>
			<label>作者：</label> <input type="text" name="author"
				value="${tbPerson.author }" />
		</p>
		<p>
			<label>页数：</label> <input type="number" name="pages"
				value="${tbPerson.pages }" />
		</p>
		<p>
			<button type="submit">提交</button>
			<input type="button" onclick="window.history.back();" value="取消">
		</p>
		</form>
	</div>
</body>
</html>

person.jsp

<%@ page language="java" contentType="text/html; charset=utf-8"
	pageEncoding="utf-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>图书信息管理系统</title>
</head>
<style>
* {
	margin: 0;
	padding: 0;
}

table, td, th {
	border-collapse: collapse;
	border-spacing: 0;
}

table {
	text-align: center;
	width: 80%;
	margin: 0 auto;
}

td, th {
	padding: 5px 10px;
	border: 1px solid black;
}

th {
	background: #284bf8;
	font-size: 1.3rem;
	font-weight: 450;
	color: white;
	cursor: pointer;
}

.form {
	width: 80%;
	padding: 10px;
	margin: 0 auto;
}

h1 {
	text-align: center;
}

tr:hover {
	background: #a1a4b5;
}
</style>
<body>
	<div class="form">
		<h1>图书信息管理系统</h1>
		<br />
	</div>
	<table>
		<tr>
			<th>序号</th>
			<th>书籍名称</th>
			<th>作者</th>
			<th>页数</th>
			<th>添加时间</th>
			<th>操作</th>
		</tr>
		<c:forEach items="${personList }" var="person" varStatus="item">
			<tr>
				<td>${item.index+1 }</td>
				<td>${person.bookname }</td>
				<td>${person.author }</td>
				<td>${person.pages }</td>
				<td>${person.createtime }</td>
				<td><a style="color: red" onclick="del(${person.id })">删除</a> <a
					href="getbyid.do?id=${person.id }">修改</a></td>
			</tr>
		</c:forEach>
		<tr style="text-align: left;">
			<td colspan="6"><a href="getpage.do">添加</a></td>
		</tr>
	</table>
	<script type="text/javascript">
	function del(id){
	    if(confirm("确认要删除吗？")){
	        return window.location.href="deleteByid.do?id="+id;
	    }else {
	        return false;
	    }
	 }
	</script>
</body>
</html>

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