- Cool刷题项目制作
0ca14bb2a8228c15db8b7bb44c732dd0becf32fc
<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.colincora</groupId>
<artifactId>CoolSTS</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
</properties>
<dependencies>
<!--mybatis_-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.5.3</version>
</dependency>
<!--分页插件-->
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
<version>5.1.2</version>
</dependency>
<!--mysql-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.46</version>
</dependency>
<!--druid数据源-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.21</version>
</dependency>
<!--junit-->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<!-- servlet3.0 -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>
<!--jsp-->
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>javax.servlet.jsp-api</artifactId>
<version>2.3.3</version>
<scope>provided</scope>
</dependency>
<!--bean-utils-->
<dependency>
<groupId>commons-beanutils</groupId>
<artifactId>commons-beanutils</artifactId>
<version>1.9.4</version>
</dependency>
<!--apache工具包-->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.9</version>
</dependency>
<!--jstl-->
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!--jackson-->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>2.9.0</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.9.0</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.9.0</version>
</dependency>
<!--文件上传-->
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.1</version>
</dependency>
<!--POI-->
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>4.0.1</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>4.0.1</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml-schemas</artifactId>
<version>4.0.1</version>
</dependency>
</dependencies>
<build>
<plugins>
<!--tomcat插件-->
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat7-maven-plugin</artifactId>
<version>2.1</version>
<configuration>
<port>8081</port>
<path>/</path>
</configuration>
</plugin>
</plugins>
</build>
<packaging>war</packaging>
</project>
package com.colincora.domain.store;
import java.util.Date;
/**
* @author colincora
* @date 2023/3/14 10:23
*/
public class company {
private String id;
private String name;
private Date expirationDate;
private String address;
private String licenseId;
private String representative;
private String phone;
private String companySize;
private String industry;
private String remarks;
private Integer state;
private String city;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Date getExpirationDate() {
return expirationDate;
}
public void setExpirationDate(Date expirationDate) {
this.expirationDate = expirationDate;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
public String getLicenseId() {
return licenseId;
}
public void setLicenseId(String licenseId) {
this.licenseId = licenseId;
}
public String getRepresentative() {
return representative;
}
public void setRepresentative(String representative) {
this.representative = representative;
}
public String getPhone() {
return phone;
}
public void setPhone(String phone) {
this.phone = phone;
}
public String getCompanySize() {
return companySize;
}
public void setCompanySize(String companySize) {
this.companySize = companySize;
}
public String getIndustry() {
return industry;
}
public void setIndustry(String industry) {
this.industry = industry;
}
public String getRemarks() {
return remarks;
}
public void setRemarks(String remarks) {
this.remarks = remarks;
}
public Integer getState() {
return state;
}
public void setState(Integer state) {
this.state = state;
}
public String getCity() {
return city;
}
public void setCity(String city) {
this.city = city;
}
}package com.colincora.dao.store;
import com.colincora.domain.store.Company;
import java.util.List;
/**
* @author colincora
* @date 2023/3/14 10:27
*/
public interface CompanyDao {
int save(Company company);
int delete(Company company);
int update(Company company);
Company findById(String id);
List<Company> findAll();
}jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/coolsts
jdbc.username=root
jdbc.password=root<?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">
<!--mybatis的主配置文件-->
<configuration>
<!--定义property的配置-->
<properties resource="jdbc.properties"></properties>
<!--配置别名:别名配置是给实体类用的，不能用在dao上-->
<typeAliases>
<!--指定实体类所在的包，此时包下所有类都会注册别名，别名就是类名称-->
<package name="com.colincora.domain"></package>
</typeAliases>
<!--配置分页插件，plugins标签有出现顺序要求，必须在environments之前，同时要在properties和typeAliases之后 -->
<plugins>
<!-- com.github.pagehelper.PageInterceptor -->
<plugin interceptor="com.github.pagehelper.PageInterceptor">
<property name="helperDialect" value="mysql"/>
<property name="reasonable" value="true"/>
</plugin>
</plugins>
<!--配置默认环境-->
<environments default="mysql">
<!--配置mysql的环境-->
<environment id="mysql">
<!--配置事务的类型-->
<transactionManager type="JDBC"></transactionManager>
<!--配置数据源信息-->
<dataSource type="POOLED">
<!--配置连接数据库的四个基本信息-->
<property name="driver" value="${jdbc.driver}"></property>
<property name="url" value="${jdbc.url}"></property>
<property name="username" value="${jdbc.username}"></property>
<property name="password" value="${jdbc.password}"></property>
</dataSource>
</environment>
</environments>
<!--配置映射配置文件的位置-->
<mappers>
<!--指定实体映射配置文件所在的包，指定的是dao接口所在的包-->
<package name="com.colincora.dao"></package>
</mappers>
</configuration><?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.itheima.dao.store.CompanyDao">
<!--配置实体类属性和数据库表中列的对应关系-->
<resultMap id="BaseResultMap" type="com.itheima.domain.store.Company">
<id column="id" jdbcType="VARCHAR" property="id"/>
<result column="name" jdbcType="VARCHAR" property="name"/>
<result column="expiration_date" jdbcType="TIMESTAMP" property="expirationDate"/>
<result column="address" jdbcType="VARCHAR" property="address"/>
<result column="license_id" jdbcType="VARCHAR" property="licenseId"/>
<result column="representative" jdbcType="VARCHAR" property="representative"/>
<result column="phone" jdbcType="VARCHAR" property="phone"/>
<result column="company_size" jdbcType="VARCHAR" property="companySize"/>
<result column="industry" jdbcType="VARCHAR" property="industry"/>
<result column="remarks" jdbcType="VARCHAR" property="remarks"/>
<result column="state" jdbcType="INTEGER" property="state"/>
<result column="city" jdbcType="VARCHAR" property="city"/>
</resultMap>
<!--配置查询的列名公共SQL语句-->
<sql id="Base_Column_List">
id, name, expiration_date, address, license_id, representative, phone, company_size,industry, remarks, state, city
</sql>
<!--配置查询所有，带条件-->
<select id="findAll" resultMap="BaseResultMap">
select
<include refid="Base_Column_List"/>
from st_company
</select>
<!--配置根据ID查询-->
<select id="findById" parameterType="java.lang.String" resultMap="BaseResultMap">
select
<include refid="Base_Column_List"/>
from st_company
where id = #{id,jdbcType=VARCHAR}
</select>
<!--配置根据id删除-->
<delete id="delete" parameterType="java.lang.String">
delete
from st_company
where id = #{id,jdbcType=VARCHAR}
</delete>
<!--配置全字段插入-->
<insert id="save" parameterType="com.itheima.domain.store.Company">
insert into st_company (id, name, expiration_date,
address, license_id, representative,
phone, company_size, industry,
remarks, state,
city)
values (#{id,jdbcType=VARCHAR}, #{name,jdbcType=VARCHAR}, #{expirationDate,jdbcType=TIMESTAMP},
#{address,jdbcType=VARCHAR}, #{licenseId,jdbcType=VARCHAR}, #{representative,jdbcType=VARCHAR},
#{phone,jdbcType=VARCHAR}, #{companySize,jdbcType=VARCHAR}, #{industry,jdbcType=VARCHAR},
#{remarks,jdbcType=VARCHAR}, #{state,jdbcType=INTEGER},
#{city,jdbcType=VARCHAR})
</insert>
<!--配置全字段更新-->
<update id="update" parameterType="com.itheima.domain.store.Company">
update st_company
set name = #{name,jdbcType=VARCHAR},
expiration_date = #{expirationDate,jdbcType=TIMESTAMP},
address = #{address,jdbcType=VARCHAR},
license_id = #{licenseId,jdbcType=VARCHAR},
representative = #{representative,jdbcType=VARCHAR},
phone = #{phone,jdbcType=VARCHAR},
company_size = #{companySize,jdbcType=VARCHAR},
industry = #{industry,jdbcType=VARCHAR},
remarks = #{remarks,jdbcType=VARCHAR},
state = #{state,jdbcType=INTEGER},
city = #{city,jdbcType=VARCHAR}
where id = #{id,jdbcType=VARCHAR}
</update>
</mapper>package com.colincora.factory;
import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
import java.io.InputStream;
/**
* 用于生成dao接口代理实现类的工厂
* @author ColinCora
* @Company http://www.github.com/SFYYH
*/
public class MapperFactory {
private static SqlSessionFactory factory;
private static ThreadLocal<SqlSession> tl = new ThreadLocal<SqlSession>();
static {
InputStream in = null;
try {
//1.读取mybatis主配置文件
in = Resources.getResourceAsStream("SqlMapConfig.xml");
//2.创建构建者对象
SqlSessionFactoryBuilder builder = new SqlSessionFactoryBuilder();
//3.使用构建者创建SqlSessionFactory工厂
factory = builder.build(in);
}catch (Exception e){
//打印异常信息到控制台
e.printStackTrace();
//抛出错误提示程序终止执行
throw new ExceptionInInitializerError("初始化SqlSessionFactory失败");
}finally {
//释放流对象
if(in != null){
try{
in.close();
}catch (Exception e){
e.printStackTrace();
}
}
}
}
/**
* 获取SqlSession对象
* @return
* 保留此方法是为了后面对业务层方法增强，利用AOP添加事务
*/
public static SqlSession getSqlSession(){
return factory.openSession(false);
}
/**
* 获取Dao接口的代理实现类
* @param daoClass dao接口字节码
* @return
*/
public static <T> T getMapper(SqlSession sqlSession,Class<T> daoClass){
//1.判断传入的SqlSession是否为null
if(sqlSession == null){
return null;
}
//2.不为null，创建代理实现类
return sqlSession.getMapper(daoClass);
}
}package com.colincora.utils;
import org.apache.ibatis.session.SqlSession;
/**
* 事务控制类
* @author ColinCora
* @Company http://www.github.com/SFYYH
*/
public class TransactionUtil {
/**
* 提交释放
* @param sqlSession
*/
public static void commit(SqlSession sqlSession){
if(sqlSession!=null) {
sqlSession.commit();
}
}
/**
* 回滚释放
* @param sqlSession
*/
public static void rollback(SqlSession sqlSession){
if(sqlSession!=null) {
sqlSession.rollback();
}
}
/**
* 单独释放
* @param sqlSession
*/
public static void close(SqlSession sqlSession){
if(sqlSession!=null) sqlSession.close();
}
}基础功能：增、删、改、查、分页查
主要是转调我们的数据层
业务层调用接口
package com.colincora.service.store;
import com.colincora.domain.store.Company;
import com.github.pagehelper.PageInfo;
import java.util.List;
public interface CompanyService {
/**
* 添加
* @param company
* @return
*/
void save(Company company);
/**
* 删除
* @param company
* @return
*/
void delete(Company company);
/**
* 更新
* @param company
* @return
*/
void update(Company company);
/**
* 查询单个
* @param id 查询的跳进啊
* @return 查询的结果
*/
Company findById(String id);
/**
* 查询全部的数据
* @return 全部数据的列表对象
*/
List<Company> findAll();
/**
* 分页查询数据
* @param page 页码
* @param size 每页显示数
* @return
*/
PageInfo findAll(int page,int size);
}接口实现层
package com.colincora.service.store.impl;
import com.colincora.dao.store.CompanyDao;
import com.colincora.domain.store.Company;
import com.colincora.factory.MapperFactory;
import com.colincora.service.store.CompanyService;
import com.colincora.utils.TransactionUtil;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import org.apache.ibatis.session.SqlSession;
import java.util.List;
import java.util.UUID;
/**
* @author colincora
* @date 2023/3/14 11:01
*/
public class CompanyServiceImpl implements CompanyService {
@Override
public void save(Company company) {
SqlSession sqlSession = null;
try {
//1.获取 sqlsession对象
sqlSession = MapperFactory.getSqlSession();
//2.获取dao
CompanyDao companyDao = MapperFactory.getMapper(sqlSession, CompanyDao.class);
//id使用UUID的生成策略来获取
String id= UUID.randomUUID().toString();
company.setId(id);
//3.调用Dao层的操作
companyDao.save(company);
//4.提交事务
TransactionUtil.commit(sqlSession);
} catch (Exception e) {
TransactionUtil.rollback(sqlSession);
throw new RuntimeException(e);
//记录日志
} finally {
try {
TransactionUtil.close(sqlSession);
} catch (Exception e) {
e.printStackTrace();
}
}
}
@Override
public void delete(Company company) {
SqlSession sqlSession = null;
try {
//1.获取 sqlsession对象
sqlSession = MapperFactory.getSqlSession();
//2.获取dao
CompanyDao companyDao = MapperFactory.getMapper(sqlSession, CompanyDao.class);
//3.调用Dao层的操作
companyDao.delete(company);
//4.提交事务
TransactionUtil.commit(sqlSession);
} catch (Exception e) {
TransactionUtil.rollback(sqlSession);
throw new RuntimeException(e);
//记录日志
} finally {
try {
TransactionUtil.close(sqlSession);
} catch (Exception e) {
e.printStackTrace();
}
}
}
@Override
public void update(Company company) {
SqlSession sqlSession = null;
try {
//1.获取 sqlsession对象
sqlSession = MapperFactory.getSqlSession();
//2.获取dao
CompanyDao companyDao = MapperFactory.getMapper(sqlSession, CompanyDao.class);
//3.调用Dao层的操作
companyDao.update(company);
//4.提交事务
TransactionUtil.commit(sqlSession);
} catch (Exception e) {
TransactionUtil.rollback(sqlSession);
throw new RuntimeException(e);
//记录日志
} finally {
try {
TransactionUtil.close(sqlSession);
} catch (Exception e) {
e.printStackTrace();
}
}
}
@Override
public Company findById(String id) {
SqlSession sqlSession = null;
try {
//1.获取 sqlsession对象
sqlSession = MapperFactory.getSqlSession();
//2.获取dao
CompanyDao companyDao = MapperFactory.getMapper(sqlSession, CompanyDao.class);
//3.调用Dao层的操作
return companyDao.findById(id);
} catch (Exception e) {
TransactionUtil.rollback(sqlSession);
throw new RuntimeException(e);
//记录日志
} finally {
try {
TransactionUtil.close(sqlSession);
} catch (Exception e) {
e.printStackTrace();
}
}
}
@Override
public List<Company> findAll() {
SqlSession sqlSession = null;
try {
//1.获取 sqlsession对象
sqlSession = MapperFactory.getSqlSession();
//2.获取dao
CompanyDao companyDao = MapperFactory.getMapper(sqlSession, CompanyDao.class);
//3.调用Dao层的操作
return companyDao.findAll();
} catch (Exception e) {
TransactionUtil.rollback(sqlSession);
throw new RuntimeException(e);
//记录日志
} finally {
try {
TransactionUtil.close(sqlSession);
} catch (Exception e) {
e.printStackTrace();
}
}
}
@Override
public PageInfo findAll(int page, int size) {
SqlSession sqlSession = null;
try {
//1.获取 sqlsession对象
sqlSession = MapperFactory.getSqlSession();
//2.获取dao
CompanyDao companyDao = MapperFactory.getMapper(sqlSession, CompanyDao.class);
//3.调用Dao层的操作
PageHelper.startPage(page,size);
List<Company> all = companyDao.findAll();
PageInfo pageInfo=new PageInfo(all);
return pageInfo;
} catch (Exception e) {
TransactionUtil.rollback(sqlSession);
throw new RuntimeException(e);
//记录日志
} finally {
try {
TransactionUtil.close(sqlSession);
} catch (Exception e) {
e.printStackTrace();
}
}
}
}package com.colincora.service.store;
import com.colincora.domain.store.Company;
import com.colincora.service.store.impl.CompanyServiceImpl;
import com.github.pagehelper.PageInfo;
import org.junit.*;
/**
* @author colincora
* @date 2023/3/14 11:10
*/
public class CompanyServiceTest {
private static CompanyService companyService=null;
@BeforeClass
public static void init(){
companyService=new CompanyServiceImpl();
}
@Test
public void testSave(){
Company company=new Company();
company.setName("测试数据");
companyService.save(company);
}
@Test
public void testFindAll(){
PageInfo all = companyService.findAll(1, 100);
System.out.println(all);
}
@AfterClass
public static void destory(){
companyService=null;
}
}表现出需要实现的七个功能
1.列表功能
2.跳转添加页
3.新增功能
4.跳转修改页
5.修改功能
6.分页功能
7.删除功能
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ include file="../../base.jsp"%>
<!DOCTYPE html>
<html>
<head>
<!-- 页面meta -->
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>CoolSTS管理系统</title>
<meta name="description" content="AdminLTE2定制版">
<meta name="keywords" content="AdminLTE2定制版">
<!-- Tell the browser to be responsive to screen width -->
<meta content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no" name="viewport">
<!-- 页面meta /-->
<script src="${ctx}/plugins/jQuery/jquery-2.2.3.min.js"></script>
</head>
<script>
function deleteById() {
var id = getCheckId()
if(id) {
if(confirm("你确认要删除此条记录吗？")) {
location.href="${ctx}/store/company?operation=delete&id="+id;
}
}else{
alert("请勾选待处理的记录，且每次只能勾选一个")
}
}
</script>
<body>
<div id="frameContent" class="content-wrapper" style="margin-left:0px;">
<section class="content-header">
<h1>
企业管理
<small>企业列表</small>
</h1>
<ol class="breadcrumb">
<li><a href="all-admin-index.html"><i class="fa fa-dashboard"></i> 首页</a></li>
</ol>
</section>
<!-- 内容头部 /-->
<!-- 正文区域 -->
<section class="content">
<!-- .box-body -->
<div class="box box-primary">
<div class="box-header with-border">
<h3 class="box-title">列表</h3>
</div>
<div class="box-body">
<!-- 数据表格 -->
<div class="table-box">
<!--工具栏-->
<div class="pull-left">
<div class="form-group form-inline">
<div class="btn-group">
<button type="button" class="btn btn-default" title="新建" onclick='location.href="${ctx}/store/company?operation=toAdd"'><i class="fa fa-file-o"></i> 新建</button>
<button type="button" class="btn btn-default" title="删除" onclick='deleteById()'><i class="fa fa-trash-o"></i> 删除</button>
<button type="button" class="btn btn-default" title="刷新" onclick="window.location.reload();"><i class="fa fa-refresh"></i> 刷新</button>
</div>
</div>
</div>
<div class="box-tools pull-right">
<div class="has-feedback">
<input type="text" class="form-control input-sm" placeholder="搜索">
<span class="glyphicon glyphicon-search form-control-feedback"></span>
</div>
</div>
<!--工具栏/-->
<!--数据列表-->
<table id="dataList" class="table table-bordered table-striped table-hover dataTable">
<thead>
<tr>
<th class="" style="padding-right:0px;">
</th>
<th class="sorting">企业名称</th>
<th class="sorting">所在地</th>
<th class="sorting">地址</th>
<th class="sorting">企业法人</th>
<th class="sorting">联系方式</th>
<th class="sorting">所属行业</th>
<th class="sorting">状态</th>
<th class="text-center">操作</th>
</tr>
</thead>
<tbody>
<c:forEach items="${page.list}" var="item">
<tr>
<td><input name="ids" value="${item.id}" type="checkbox"></td>
<td>
${item.name}
</td>
<td>${item.city}</td>
<td>${item.address}</td>
<td>${item.representative}</td>
<td>${item.phone}</td>
<td>${item.industry}</td>
<td>${item.state ==0?'未审核':'已审核'}</td>
<td class="text-center">
<button type="button" class="btn bg-olive btn-xs" onclick='location.href="${ctx}/store/company?operation=toEdit&id=${item.id}"'>编辑</button>
</td>
</tr>
</c:forEach>
</tbody>
</table>
</div>
</div>
<!-- /.box-body -->
<!-- .box-footer-->
<%-- <form action="${ctx}/company/list.do" method="post">
<div class="box-footer">
<div class="pull-left">
<div class="form-group form-inline">
总共${page.totalPage} 页，共${page.total}条数据。 每页
<select class="form-control">
<option ${page.size==5?'selected':''}>5</option>
<option ${page.size==10?'selected':''}>10</option>
<option ${page.size==15?'selected':''}>25</option>
<option ${page.size==20?'selected':''}>20</option>
</select> 条
</div>
</div>
<div class="box-tools pull-right">
<ul class="pagination">
<li>
<a href="javascript:toPage('1')" aria-label="Previous">首页</a>
</li>
<li><a href="javascript:toPage('${page.pre}')">上一页</a></li>
<c:forEach begin="${page.beg}" end="${page.end}" var="index">
<li><a href="javascript:toPage('${index}')">${index}</a></li>
</c:forEach>
<li><a href="javascript:toPage('${page.next}')">下一页</a></li>
<li>
<a href="javascript:toPage('${page.totalPage}')" aria-label="Next">尾页</a>
</li>
</ul>
</div>
</div>
<script type="text/javascript">
function toPage(pageNum){
document.getElementById("page").value = pageNum;
document.forms[0].submit();
}
</script>
<input type="hidden" name="page" id="page" value="">
</form>--%>
<div class="box-footer">
<jsp:include page="../../common/page.jsp">
<jsp:param value="${ctx}/store/company?operation=list" name="pageUrl"/>
</jsp:include>
</div>
<!-- /.box-footer-->
</div>
</section>
</div>
</body>
</html><%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<html>
<body>
<%--<div class="pull-left">
<div class="form-group form-inline">
总共${page.totalPage} 页，共${page.total} 条数据。
</div>
</div>
<div class="box-tools pull-right">
<ul class="pagination" style="margin: 0px;">
<li >
<a href="javascript:goPage(1)" aria-label="Previous">首页</a>
</li>
<li><a href="javascript:goPage(${page.pre})">上一页</a></li>
<c:forEach begin="${page.beg}" end="${page.end}" var="i">
<li class="paginate_button ${page.page==i ? 'active':''}"><a href="javascript:goPage(${i})">${i}</a></li>
</c:forEach>
<li><a href="javascript:goPage(${page.next})">下一页</a></li>
<li>
<a href="javascript:goPage(${page.totalPage})" aria-label="Next">尾页</a>
</li>
</ul>
</div>
<form id="pageForm" action="${param.pageUrl}" method="post">
<input type="hidden" name="page" id="pageNum">
</form>
<script>
function goPage(page) {
document.getElementById("pageNum").value = page
document.getElementById("pageForm").submit()
}
</script>
</body>--%>
<body>
<div class="pull-left">
<div class="form-group form-inline">
总共${page.pages} 页，共${page.total} 条数据。
</div>
</div>
<div class="box-tools pull-right">
<ul class="pagination" style="margin: 0px;">
<li >
<a href="javascript:goPage(1)" aria-label="Previous">首页</a>
</li>
<li><a href="javascript:goPage(${page.prePage})">上一页</a></li>
<c:forEach begin="${page.navigateFirstPage}" end="${page.navigateLastPage}" var="i">
<li class="paginate_button ${page.pageNum==i ? 'active':''}"><a href="javascript:goPage(${i})">${i}</a></li>
</c:forEach>
<li><a href="javascript:goPage(${page.nextPage})">下一页</a></li>
<li>
<a href="javascript:goPage(${page.pages})" aria-label="Next">尾页</a>
</li>
</ul>
</div>
<form id="pageForm" action="${param.pageUrl}" method="post">
<input type="hidden" name="page" id="pageNum">
</form>
<script>
function goPage(page) {
document.getElementById("pageNum").value = page
document.getElementById("pageForm").submit()
}
</script>
</body>
</html>在home里的侧边菜单位置要记得更改和对应文件位置
package com.colincora.web.controller.company;
import com.colincora.domain.store.Company;
import com.colincora.service.store.CompanyService;
import com.colincora.service.store.impl.CompanyServiceImpl;
import com.colincora.utils.BeanUtil;
import com.github.pagehelper.PageInfo;
import org.apache.commons.lang3.StringUtils;
import org.apache.poi.util.StringUtil;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
/**
* @author colincora
* @date 2023/3/14 21:32
*/
/**
* doGet doPost方法覆盖
* 一个servlet只能完成一种功能的请求 如果像完成多个 需要加标志
* uri:/store/company?operation=list
*/
@WebServlet("/store/company") //访问路径
public class CompanyServlet extends HttpServlet {
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// System.out.println("run.....");
String operation = request.getParameter("operation");
//常量写前面变量写后面，有时候变量是空的
if("list".equals(operation)){
this.list(request,response);
}else if("toAdd".equals(operation)){
this.toAdd(request,response);
}else if("save".equals(operation)){
this.save(request,response);
}else if("toEdit".equals(operation)){
this.toEdit(request,response);
}else if("edit".equals(operation)){
this.edit(request,response);
}else if("delete".equals(operation)){
this.delete(request,response);
}
}
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
this.doGet(request,response);
}
private void list(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException {
//进入列表页面
//1.获取数据
CompanyService companyService=new CompanyServiceImpl();
//判断页面是否传值 默认page=1，size=5
int page=1;
int size=5;
//StringUtils.isNoneBlank()判断如果你输值了 即点分页进来的
if(StringUtils.isNoneBlank(request.getParameter("page"))){
// System.out.println("你获取到了page的数值"+request.getParameter("page"));
page=Integer.parseInt(request.getParameter("page"));
System.out.println(page);
}
if(StringUtils.isNoneBlank(request.getParameter("size"))){
size=Integer.parseInt(request.getParameter("size"));
}
PageInfo all = companyService.findAll(page,size);
//2.将数据保存到指定位置
request.setAttribute("page",all);
//3跳转页面
request.getRequestDispatcher("/WEB-INF/pages/store/Company/list.jsp").forward(request,response);
System.out.println("这里是跳转list页面哦~【src/main/webapp/WEB-INF/pages/store/Company/list.jsp】");
}
private void toAdd(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException {
request.getRequestDispatcher("/WEB-INF/pages/store/Company/add.jsp").forward(request,response);
System.out.println("这里是添加数据页面哦~【src/main/webapp/WEB-INF/pages/store/Company/add.jsp】");
}
private void save(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException {
//将数据获取到，封装成一个对象
Company company= BeanUtil.fillBean(request,Company.class,"yyy-MM-dd");
//调用业务层接口save
CompanyService companyService=new CompanyServiceImpl();
companyService.save(company);
//跳转回到列表页面
//list(request,response);
response.sendRedirect(request.getContextPath()+"/store/company?operation=list");
}
private void toEdit(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
//查询要修改的数据findById
String id =request.getParameter("id");
CompanyService companyService=new CompanyServiceImpl();
Company company=companyService.findById(id);
//将数据加载到指定页面，供页面获取
request.setAttribute("company",company);
//跳转页面
request.getRequestDispatcher("/WEB-INF/pages/store/Company/update.jsp").forward(request,response);
System.out.println("这里是修改数据页面哦~【src/main/webapp/WEB-INF/pages/store/Company/update.jsp】");
}
private void edit(HttpServletRequest request, HttpServletResponse response) throws IOException {
//将数据获取到，封装成一个对象
Company company= BeanUtil.fillBean(request,Company.class,"yyy-MM-dd");
//调用业务层接口edit
CompanyService companyService=new CompanyServiceImpl();
companyService.update(company);
//跳转回到列表页面
//list(request,response);
response.sendRedirect(request.getContextPath()+"/store/company?operation=list");
}
private void delete(HttpServletRequest request, HttpServletResponse response) throws IOException {
//将数据获取到，封装成一个对象
Company company= BeanUtil.fillBean(request,Company.class);
//调用业务层接口delete
CompanyService companyService=new CompanyServiceImpl();
companyService.delete(company);
//跳转回到列表页面
//list(request,response);
response.sendRedirect(request.getContextPath()+"/store/company?operation=list");
}
}关于pages页面：我们需要把
src/main/webapp/pages里的common和store文件夹复制到WEB-INF，为了安全起见在进行
private void save编写的时候要注意导入BeanUtil类获取封装对象package com.colincora.utils; import javax.servlet.http.HttpServletRequest; import org.apache.commons.beanutils.BeanUtils; import org.apache.commons.beanutils.ConvertUtils; import org.apache.commons.beanutils.converters.DateConverter; import org.apache.commons.fileupload.FileItem; import org.apache.commons.fileupload.servlet.ServletFileUpload; import java.beans.PropertyDescriptor; import java.io.File; import java.lang.reflect.Method; import java.util.Date; import java.util.List; /** * 填充表单数据到javabean的工具类 * @author zhy * */ public class BeanUtil { /** * 封装表单中的数据到javabean中 * @param request 表单中的数据 * @param clazz 封装到哪个javabean * @return 封装好的javabean对象 * 使用的是泛型。泛型必须先声明再使用。声明必须在返回值之前 * T指的就是泛型，它可以是任意字符，只是作为一个占位符。 * 声明时用什么字符，使用时就得用什么 */ public static <T> T fillBean(HttpServletRequest request,Class<T> clazz){ //1.定义一个T类型的javabean T bean = null; try{ //2.实例化bean对象 bean = clazz.newInstance(); //3.使用BeanUtils的方法进行封装 BeanUtils.populate(bean, request.getParameterMap()); //4.返回 return bean; }catch(Exception e){ throw new RuntimeException(e); } } /** * 封装表单中的数据到javabean中,带有日期格式数据 * @param request 表单中的数据 * @param clazz 封装到哪个javabean * @return 封装好的javabean对象 * 使用的是泛型。泛型必须先声明再使用。声明必须在返回值之前 * T指的就是泛型，它可以是任意字符，只是作为一个占位符。 * 声明时用什么字符，使用时就得用什么 */ public static <T> T fillBean(HttpServletRequest request,Class<T> clazz,String datePattern){ //1.定义一个T类型的javabean T bean = null; try{ //2.实例化bean对象 bean = clazz.newInstance(); //3.创建日期转换器对象 DateConverter converter = new DateConverter(); converter.setPattern(datePattern); //4.设置转换器 ConvertUtils.register(converter, Date .class); //5.使用BeanUtils的方法进行封装 BeanUtils.populate(bean, request.getParameterMap()); //6.返回 return bean; }catch(Exception e){ throw new RuntimeException(e); } } /** * 文件上传的表单填充 * @param items 文件上传的表单项 * @param clazz 要封装的实体类字节码 * @param <T> 泛型 * @return 返回封装好的对象 */ public static <T> T fillBean(List<FileItem> items,Class<T> clazz){ //1.定义一个T类型的javabean T bean = null; try{ //2.实例化Bean bean = clazz.newInstance(); //3.遍历文件项集合 for(FileItem item : items){ //4.判断是不是文件 if(item.isFormField()){//表单字段，不是文件 //5.取出表单中的name属性取值 String fieldName = item.getFieldName(); //6.使用UTF-8字符集取出表单数据 String fieldValue = item.getString("UTF-8"); //7.创建属性描述器对象 PropertyDescriptor pd = new PropertyDescriptor(fieldName,clazz); //8.获取写方法(setXXX方法） Method method = pd.getWriteMethod(); //9.把数据填充到bean中 method.invoke(bean,fieldValue); } } //10.返回 return bean; }catch(Exception e){ throw new RuntimeException(e); } } }
添加功能的实现
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
<%@ include file="../../base.jsp"%>
<!DOCTYPE html>
<html>
<head>
<!-- 页面meta -->
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>CoolSTS管理系统</title>
<meta name="description" content="AdminLTE2定制版">
<meta name="keywords" content="AdminLTE2定制版">
<!-- Tell the browser to be responsive to screen width -->
<meta content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no" name="viewport">
<!-- 页面meta /-->
</head>
<body>
<div id="frameContent">
<!-- 内容头部 -->
<section class="content-header" class="content-wrapper" style="margin-left:0px;">
<h1>
企业管理
<small>企业表单</small>
</h1>
<ol class="breadcrumb">
<li><a href="all-admin-index.html"><i class="fa fa-dashboard"></i> 首页</a></li>
<li><a href="all-order-manage-list.html">企业管理</a></li>
<li class="active">企业表单</li>
</ol>
</section>
<!-- 内容头部 /-->
<!-- 正文区域 -->
<section class="content">
<!--添加内容信息-->
<div class="panel panel-default">
<div class="panel-heading">企业信息</div>
<form id="editForm" action="${ctx}/store/company?operation=save" method="post">
<input type="hidden" name="id" value="${company.id}">
<div class="row data-type" style="margin: 0px">
<div class="col-md-2 title">企业名称</div>
<div class="col-md-4 data">
<input type="text" class="form-control" placeholder="企业名称" name="name" value="${company.name}">
</div>
<div class="col-md-2 title">营业执照</div>
<div class="col-md-4 data">
<input type="text" class="form-control" placeholder="营业执照" name="licenseId" value="${company.licenseId}">
</div>
<div class="col-md-2 title">所在城市</div>
<div class="col-md-4 data">
<input type="text" class="form-control" placeholder="所在地" name="city" value="${company.city}">
</div>
<div class="col-md-2 title">企业地址</div>
<div class="col-md-4 data">
<input type="text" class="form-control" placeholder="企业地址" name="address" value="${company.address}">
</div>
<div class="col-md-2 title">法人代表</div>
<div class="col-md-4 data">
<input type="text" class="form-control" placeholder="法人代表" name="representative" value="${company.representative}">
</div>
<div class="col-md-2 title">联系电话</div>
<div class="col-md-4 data">
<input type="text" class="form-control" placeholder="联系电话" name="phone" value="${company.phone}">
</div>
<div class="col-md-2 title">公司规模</div>
<div class="col-md-4 data">
<input type="text" class="form-control" placeholder="公司规模" name="companySize" value="${company.companySize}">
</div>
<div class="col-md-2 title">所属行业</div>
<div class="col-md-4 data">
<input type="text" class="form-control" placeholder="所属行业" name="industry" value="${company.industry}">
</div>
<div class="col-md-2 title">状态</div>
<div class="col-md-4 data">
<select class="form-control select2" name="state" style="width: 100%;">
<option value="0" ${company.state==0 ? 'selected':''}>未审核</option>
<option value="1" ${company.state==1 ? 'selected':''}>已审核</option>
</select>
<input type="text" class="form-control" placeholder="状态" name="state" value="${company.state}">
</div>
<div class="col-md-2 title">到期时间</div>
<div class="col-md-4 data">
<div class="input-group date">
<div class="input-group-addon">
<i class="fa fa-calendar"></i>
</div>
<input type="text" placeholder="到期时间" name="expirationDate" class="form-control pull-right"
value="<fmt:formatDate value="${company.expirationDate}" pattern="yyyy-MM-dd"/>" id="expirationDate">
</div>
</div>
<div class="col-md-2 title rowHeight2x">备注</div>
<div class="col-md-10 data rowHeight2x">
<textarea class="form-control" rows="3" name="remarks">${company.remarks}</textarea>
</div>
</div>
</form>
</div>
<!--添加内容信息/-->
<!--工具栏-->
<div class="box-tools text-center">
<button type="button" onclick='document.getElementById("editForm").submit()' class="btn bg-maroon">保存</button>
<button type="button" class="btn bg-default" onclick="history.back(-1);">返回</button>
</div>
<!--工具栏/-->
</section>
<!-- 正文区域 /-->
</div>
<!-- 内容区域 /-->
</body>
<script src="${ctx}/plugins/datepicker/bootstrap-datepicker.js"></script>
<script src="${ctx}/plugins/datepicker/locales/bootstrap-datepicker.zh-CN.js"></script>
<link rel="stylesheet" href="${ctx}/css/style.css">
<script>
$('#expirationDate').datepicker({
autoclose: true,
format: 'yyyy-mm-dd'
});
</script>
</html>通过对
src/main/webapp/WEB-INF/pages/store/Company/list.jsp里的编辑部分观察得知我们需要做出toEdit跳转页面+携带的id<td class="text-center"> <button type="button" class="btn bg-olive btn-xs" onclick='location.href="${ctx}/store/company?operation=toEdit&id=${item.id}"'>编辑</button> </td>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ include file="../../base.jsp"%>
<!DOCTYPE html>
<html>
<head>
<!-- 页面meta -->
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>CoolSTS管理系统</title>
<meta name="description" content="AdminLTE2定制版">
<meta name="keywords" content="AdminLTE2定制版">
<!-- Tell the browser to be responsive to screen width -->
<meta content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no" name="viewport">
<!-- 页面meta /-->
</head>
<body>
<div id="frameContent" class="content-wrapper" style="margin-left:0px;">
<!-- 内容头部 -->
<section class="content-header">
<h1>
企业管理
<small>编辑企业信息</small>
</h1>
<ol class="breadcrumb">
<li><a href="all-admin-index.html"><i class="fa fa-dashboard"></i> 首页</a></li>
<li><a href="all-order-manage-list.html">企业管理</a></li>
<li class="active">编辑企业信息</li>
</ol>
</section>
<!-- 内容头部 /-->
<!-- 正文区域 -->
<section class="content">
<!--订单信息-->
<div class="panel panel-default">
<div class="panel-heading">企业信息</div>
<form id="editForm" action="${ctx}/store/company?operation=edit" method="post">
<input type="hidden" name="id" value="${company.id}">
<div class="row data-type" style="margin: 0px">
<div class="col-md-2 title">企业名称</div>
<div class="col-md-4 data">
<input type="text" class="form-control" placeholder="企业名称" name="name" value="${company.name}">
</div>
<div class="col-md-2 title">营业执照</div>
<div class="col-md-4 data">
<input type="text" class="form-control" placeholder="营业执照" name="licenseId" value="${company.licenseId}">
</div>
<div class="col-md-2 title">所在城市</div>
<div class="col-md-4 data">
<input type="text" class="form-control" placeholder="所在地" name="city" value="${company.city}">
</div>
<div class="col-md-2 title">企业地址</div>
<div class="col-md-4 data">
<input type="text" class="form-control" placeholder="企业地址" name="address" value="${company.address}">
</div>
<div class="col-md-2 title">法人代表</div>
<div class="col-md-4 data">
<input type="text" class="form-control" placeholder="法人代表" name="representative" value="${company.representative}">
</div>
<div class="col-md-2 title">联系电话</div>
<div class="col-md-4 data">
<input type="text" class="form-control" placeholder="联系电话" name="phone" value="${company.phone}">
</div>
<div class="col-md-2 title">公司规模</div>
<div class="col-md-4 data">
<input type="text" class="form-control" placeholder="公司规模" name="companySize" value="${company.companySize}">
</div>
<div class="col-md-2 title">所属行业</div>
<div class="col-md-4 data">
<input type="text" class="form-control" placeholder="所属行业" name="industry" value="${company.industry}">
</div>
<div class="col-md-2 title">状态</div>
<div class="col-md-4 data">
<select class="form-control select2" name="state" style="width: 100%;">
<option value="0" ${company.state==0 ? 'selected':''}>未审核</option>
<option value="1" ${company.state==1 ? 'selected':''}>已审核</option>
</select>
<input type="text" class="form-control" placeholder="状态" name="state" value="${company.state}">
</div>
<div class="col-md-2 title rowHeight2x">备注</div>
<div class="col-md-4 data rowHeight2x">
<textarea class="form-control" rows="3" name="remarks">${company.remarks}</textarea>
</div>
</div>
</form>
</div>
<!--订单信息/-->
<!--工具栏-->
<div class="box-tools text-center">
<button type="button" onclick='document.getElementById("editForm").submit()' class="btn bg-maroon">保存</button>
<button type="button" class="btn bg-default" onclick="history.back(-1);">返回</button>
</div>
<!--工具栏/-->
</section>
<!-- 正文区域 /-->
</div>
<!-- 内容区域 /-->
</body>
</html>因为每次调用增删改查操作都需要重新创建一个对象，所以我们可以简化成一个BaseServlet抽取
public class CompanyServlet extends BaseServlet则所有的以下语句都可以注释掉
CompanyService companyService=new CompanyServiceImpl();
package com.colincora.web.controller;
import com.colincora.service.store.CompanyService;
import com.colincora.service.store.impl.CompanyServiceImpl;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
/**
* @author colincora
* @date 2023/3/15 9:27
*/
public class BaseServlet extends HttpServlet {
protected CompanyService companyService;
@Override
public void init() throws ServletException {
companyService=new CompanyServiceImpl();
}
}
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