IDEA+Maven 整合SSM框架实现简单的增删改查
转载https://blog.csdn.net/weixin_42747657/article/details/81160501?tdsourcetag=s_pctim_aiomsg在目前的企业级Java应用中,Spring框架是必须的。Struts2框架与Spring的整合问题日益凸显,而Spring MVC作为新一代的MVC框架,因其可以与Spring框架无缝整合的特性收到了越来越多的欢迎。Hibernate框架在面对需要存储过程或者复杂SQL时显得力不从心,不能提供高效的数据库控制。而Mybatis框架作为持久层的框架,虽然需要自己编写SQL语句,但是其对高并发高响应的支持,以及对动态SQL和动态绑定的支持使其脱颖而出。
因此SSM框架(Spring + Spring MVC +Mybatis)逐渐取代了之前广泛使用的SSH框架(Spring + Struts2 + Hibernate),成为了目前使用最多的框架。
本文使用IDEA,利用Maven管理项目,整合SSM框架搭建论文管理系统,实现简单的增、删、改、查功能。步骤详细,讲解丰富,适合新手入门。
开发工具
- IntelliJ IDEA Ultimate 2017.2.2
- Apache-tomcat-9.0.5
- JDK 1.8.0_121
- MySQL 5.7
- Maven 3.3.9
工程结构
最终完成后的工程结构:
下面开始详细的讲解项目的开发过程。
IDEA+Maven搭建项目骨架
1. 新建Maven项目:
点击File -> New -> Project -> Maven -> 勾选 Create from archetype -> 选择 maven-archetype-webapp (注意:此处不要错选成上面的cocoom-22-archetype-webapp)
在弹出的new project 选项卡中填写GroupId和Artifactid,其中GroupID是项目组织唯一的标识符,实际对应JAVA的包的结构,是main目录里java的目录结构,ArtifactID是项目的唯一的标识符,实际对应项目的名称,就是项目根目录的名称。对于入门练习,这两项可以随意填写。
之后点击next 选择Maven版本(其中IDEA 专业版自带Maven,也可以选择自己下载的maven)。之后填写项目名称和项目地址,完成后点击Finish,完成项目骨架的创建。
.
2. 在新建的项目中添加所需要的文件/文件夹
创建之后的项目如图所示,我们需要在这之上新建一些目录。
在项目的根目录下新建target文件夹,系统自动将其设置为“Excluded”
在src/main目录下新建Directory:“java”,并将其设置为“Source Root”(即:此项目默认的代码文件源目录)
在刚才新建的java文件下新建“com”包,再在com包下新建四个包,分别命名为:pojo,service,dao,controller。(如果出现下图中所示的包名重叠的情况,可以点击图中所示的图标,将“Hide empty middle package取消掉”)
上面新建的四个包:pojo,service,dao,controller,其所存放的分别是:
- pojo: 存放自定义的java类。如:paper类,user类,book类等,每个类的属性设为private,并提供public属性的getter/setter方法让外界访问
- service:定义接口,包含系统所提供的功能。(之后还会在service包下再新建impl包)。
- dao:定义接口,包含与数据库进行交互的功能。
- controller:控制器,负责接收页面请求,转发和处理。
在resource包下新建Directory:“mapper”(用于存放xxxMapper.xml文件)和“spring”(用于存放spring-xxx.xml配置文件),新建文件:“jdbc.properties”(mysql数据库配置文件),”log4j.properties”(日志输出配置文件),”mybatis-config.xml”(mybatis框架配置文件)。
在web-inf目录下新建“jsp”包,存放xxx.jsp显示界面。
补充之后的项目目录如下图所示,至此项目骨架搭建完毕,开始写代码实现增删改查功能。
3. 自定义Paper类
在这之前要对项目的pom.xml文件进行配置,在此文件中配置项目所需要的jar包。
pom.xml
- <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/maven-v4_0_0.xsd">
- <modelVersion>4.0.0</modelVersion>
- <groupId>com</groupId>
- <artifactId>first</artifactId>
- <packaging>war</packaging>
- <version>1.0-SNAPSHOT</version>
- <name>first Maven Webapp</name>
- <url>http://maven.apache.org</url>
- <properties>
- <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
- <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
- <spring.version>5.0.3.RELEASE</spring.version>
- <mybatis.version>3.4.4</mybatis.version>
- </properties>
- <dependencies>
- <!-- 单元测试 -->
- <dependency>
- <groupId>junit</groupId>
- <artifactId>junit</artifactId>
- <version>3.8.1</version>
- <scope>test</scope>
- </dependency>
- <!-- 第一部分:Spring 配置-->
- <!-- Spring core -->
- <dependency>
- <groupId>org.springframework</groupId>
- <artifactId>spring-core</artifactId>
- <version>${spring.version}</version>
- </dependency>
- <dependency>
- <groupId>org.springframework</groupId>
- <artifactId>spring-beans</artifactId>
- <version>${spring.version}</version>
- </dependency>
- <dependency>
- <groupId>org.springframework</groupId>
- <artifactId>spring-context</artifactId>
- <version>${spring.version}</version>
- </dependency>
- <dependency>
- <groupId>org.springframework</groupId>
- <artifactId>spring-context-support</artifactId>
- <version>${spring.version}</version>
- </dependency>
- <!-- Spring DAO -->
- <dependency>
- <groupId>org.springframework</groupId>
- <artifactId>spring-jdbc</artifactId>
- <version>${spring.version}</version>
- </dependency>
- <dependency>
- <groupId>org.springframework</groupId>
- <artifactId>spring-tx</artifactId>
- <version>${spring.version}</version>
- </dependency>
- <!-- Spring mvc -->
- <dependency>
- <groupId>org.springframework</groupId>
- <artifactId>spring-web</artifactId>
- <version>${spring.version}</version>
- </dependency>
- <dependency>
- <groupId>org.springframework</groupId>
- <artifactId>spring-webmvc</artifactId>
- <version>${spring.version}</version>
- </dependency>
- <dependency>
- <groupId>org.springframework</groupId>
- <artifactId>spring-test</artifactId>
- <version>${spring.version}</version>
- </dependency>
- <!-- 第二部分:Servlet web -->
- <dependency>
- <groupId>javax.servlet</groupId>
- <artifactId>javax.servlet-api</artifactId>
- <version>3.0.1</version>
- <scope>provided</scope>
- </dependency>
- <dependency>
- <groupId>javax.servlet.jsp</groupId>
- <artifactId>jsp-api</artifactId>
- <version>2.2</version>
- <scope>provided</scope>
- </dependency>
- <dependency>
- <groupId>javax.servlet</groupId>
- <artifactId>jstl</artifactId>
- <version>1.2</version>
- </dependency>
- <dependency>
- <groupId>taglibs</groupId>
- <artifactId>standard</artifactId>
- <version>1.1.2</version>
- </dependency>
- <dependency>
- <groupId>com.fasterxml.jackson.core</groupId>
- <artifactId>jackson-databind</artifactId>
- <version>2.9.4</version>
- </dependency>
- <!-- 第三部分:数据库和mybatis -->
- <!-- 数据库 -->
- <dependency>
- <groupId>mysql</groupId>
- <artifactId>mysql-connector-java</artifactId>
- <version>5.1.38</version>
- </dependency>
- <!-- 数据库连接池 -->
- <dependency>
- <groupId>com.mchange</groupId>
- <artifactId>c3p0</artifactId>
- <version>0.9.5.2</version>
- </dependency>
- <!-- MyBatis -->
- <dependency>
- <groupId>org.mybatis</groupId>
- <artifactId>mybatis</artifactId>
- <version>${mybatis.version}</version>
- </dependency>
- <!-- mybatis-spring整合包 -->
- <dependency>
- <groupId>org.mybatis</groupId>
- <artifactId>mybatis-spring</artifactId>
- <version>1.3.1</version>
- </dependency>
- <!-- 第四部分:日志 -->
- <!-- 实现slf4j接口并整合 -->
- <dependency>
- <groupId>ch.qos.logback</groupId>
- <artifactId>logback-classic</artifactId>
- <version>1.1.1</version>
- </dependency>
- </dependencies>
- <build>
- <finalName>first</finalName>
- <plugins>
- <plugin>
- <groupId>org.apache.maven.plugins</groupId>
- <artifactId>maven-compiler-plugin</artifactId>
- <configuration>
- <source>1.8</source>
- <target>1.8</target>
- </configuration>
- </plugin>
- </plugins>
- </build>
- </project>
本项目所用的数据库为MySQL 5.7 建表语句如下:
- SET FOREIGN_KEY_CHECKS=0;
- -- ----------------------------
- -- Table structure for `paper`
- -- ----------------------------
- DROP TABLE IF EXISTS `paper`;
- CREATE TABLE `paper` (
- `paper_id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT 'paperID',
- `name` varchar(100) NOT NULL COMMENT 'paper名称',
- `number` int(11) NOT NULL COMMENT 'paper数量',
- `detail` varchar(200) NOT NULL COMMENT 'paper描述',
- PRIMARY KEY (`paper_id`)
- ) ENGINE=InnoDB AUTO_INCREMENT=12 DEFAULT CHARSET=utf8 COMMENT='paper表';
- -- ----------------------------
- -- Records of paper
- -- ----------------------------
- INSERT INTO `paper` VALUES ('1', '机器学习', '2', 'mlmlmlml');
- INSERT INTO `paper` VALUES ('2', '深度学习', '3', 'dldldl');
- INSERT INTO `paper` VALUES ('3', '大数据', '4', 'bdbdbd');
下面开始写java代码:
- 在pojo包中新建Paper.java
- package com.pojo;
- public class Paper {
- private long paperId;
- private String paperName;
- private int paperNum;
- private String paperDetail;
- public long getPaperId() {
- return paperId;
- }
- public void setPaperId(long paperId) {
- this.paperId = paperId;
- }
- public String getPaperName() {
- return paperName;
- }
- public void setPaperName(String paperName) {
- this.paperName = paperName;
- }
- public int getPaperNum() {
- return paperNum;
- }
- public void setPaperNum(int paperNum) {
- this.paperNum = paperNum;
- }
- public String getPaperDetail() {
- return paperDetail;
- }
- public void setPaperDetail(String paperDetail) {
- this.paperDetail = paperDetail;
- }
- }
其中getter/setter方法可以在定义完私有属性之后使用IDEA提供的快捷键:ALT+Insert 来实现快速添加
- 在service包中新建接口 PaperService:
- package com.service;
- import com.pojo.Paper;
- import java.util.List;
- public interface PaperService {
- int addPaper(Paper paper);
- int deletePaperById(long id);
- int updatePaper(Paper paper);
- Paper queryById(long id);
- List<Paper> queryAllPaper();
- }
- 在service包下新建impl包,并在此包中新建PaperServiceImpl.java
- package com.service.impl;
- import com.pojo.Paper;
- import com.dao.PaperDao;
- import com.service.PaperService;
- import org.springframework.beans.factory.annotation.Autowired;
- import org.springframework.stereotype.Service;
- import java.util.List;
- @Service
- public class PaperServiceImpl implements PaperService {
- @Autowired
- private PaperDao paperDao;
- @Override
- public int addPaper(Paper paper) {
- return paperDao.addPaper(paper);
- }
- @Override
- public int deletePaperById(long id) {
- return paperDao.deletePaperById(id);
- }
- @Override
- public int updatePaper(Paper paper) {
- return paperDao.updatePaper(paper);
- }
- @Override
- public Paper queryById(long id) {
- return paperDao.queryById(id);
- }
- @Override
- public List<Paper> queryAllPaper() {
- return paperDao.queryAllPaper();
- }
- }
- 在dao包中新建接口 PaperDao.java
- package com.dao;
- import com.pojo.Paper;
- import java.util.List;
- public interface PaperDao {
- int addPaper(Paper paper);
- int deletePaperById(long id);
- int updatePaper(Paper paper);
- Paper queryById(long id);
- List<Paper> queryAllPaper();
- }
- 在controller包中新建 PaperController.java
- package com.controller;
- import com.pojo.Paper;
- import com.service.PaperService;
- import java.util.List;
- import org.springframework.beans.factory.annotation.Autowired;
- import org.springframework.stereotype.Controller;
- import org.springframework.ui.Model;
- import org.springframework.web.bind.annotation.PathVariable;
- import org.springframework.web.bind.annotation.RequestMapping;
- @Controller
- @RequestMapping("/paper")
- public class PaperController {
- @Autowired
- private PaperService paperService;
- @RequestMapping("/allPaper")
- public String list(Model model) {
- List<Paper> list = paperService.queryAllPaper();
- model.addAttribute("list", list);
- return "allPaper";
- }
- @RequestMapping("toAddPaper")
- public String toAddPaper() {
- return "addPaper";
- }
- @RequestMapping("/addPaper")
- public String addPaper(Paper paper) {
- paperService.addPaper(paper);
- return "redirect:/paper/allPaper";
- }
- @RequestMapping("/del/{paperId}")
- public String deletePaper(@PathVariable("paperId") Long id) {
- paperService.deletePaperById(id);
- return "redirect:/paper/allPaper";
- }
- @RequestMapping("toUpdatePaper")
- public String toUpdatePaper(Model model, Long id) {
- model.addAttribute("paper", paperService.queryById(id));
- return "updatePaper";
- }
- @RequestMapping("/updatePaper")
- public String updatePaper(Model model, Paper paper) {
- paperService.updatePaper(paper);
- paper = paperService.queryById(paper.getPaperId());
- model.addAttribute("paper", paper);
- return "redirect:/paper/allPaper";
- }
- }
- 在resource/mapper包下新建 PaperMapper.xml(mybatis框架mapper代理开发配置文件)
- <?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.PaperDao">
- <resultMap type="Paper" id="paperResultMap" >
- <id property="paperId" column="paper_id"/>
- <result property="paperName" column="name"/>
- <result property="paperNum" column="number"/>
- <result property="paperDetail" column="detail"/>
- </resultMap>
- <insert id="addPaper" parameterType="Paper">
- INSERT INTO paper(paper_id,name,number,detail) VALUE (#{paperId},#{paperName}, #{paperNum}, #{paperDetail})
- </insert>
- <delete id="deletePaperById" parameterType="long">
- DELETE FROM paper WHERE paper_id=#{paperID}
- </delete>
- <update id="updatePaper" parameterType="Paper">
- UPDATE paper
- SET NAME = #{paperName},NUMBER = #{paperNum},detail = #{paperDetail}
- WHERE paper_id = #{paperId}
- </update>
- <select id="queryById" resultType="Paper" parameterType="long">
- SELECT paper_id,name,number,detail
- FROM paper
- WHERE paper_id=#{paperId}
- </select>
- <select id="queryAllPaper" resultMap="paperResultMap">
- SELECT paper_id,name,number,detail
- FROM paper
- </select>
- </mapper>
- 在resource/spring包下分别新建配置文件:spring-dao.xml , spring-mvc.xml , spring-service.xml
spring-dao.xml:(spring-mybatis整合配置文件)
- <?xml version="1.0" encoding="UTF-8" ?>
- <beans xmlns="http://www.springframework.org/schema/beans"
- xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
- xmlns:context="http://www.springframework.org/schema/context"
- xsi:schemaLocation="http://www.springframework.org/schema/beans
- http://www.springframework.org/schema/beans/spring-beans.xsd
- http://www.springframework.org/schema/context
- http://www.springframework.org/schema/context/spring-context.xsd">
- <!-- 配置整合mybatis过程 -->
- <!-- 1.配置数据库相关参数properties的属性:${url} -->
- <context:property-placeholder location="classpath:jdbc.properties"/>
- <!-- 2.数据库连接池 -->
- <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
- <!-- 配置连接池属性 -->
- <property name="driverClass" value="${jdbc.driver}"/>
- <property name="jdbcUrl" value="${jdbc.url}"/>
- <property name="user" value="${jdbc.username}"/>
- <property name="password" value="${jdbc.password}"/>
- <!-- c3p0连接池的私有属性 -->
- <property name="maxPoolSize" value="30"/>
- <property name="minPoolSize" value="10"/>
- <!-- 关闭连接后不自动commit -->
- <property name="autoCommitOnClose" value="false"/>
- <!-- 获取连接超时时间 -->
- <property name="checkoutTimeout" value="10000"/>
- <!-- 当获取连接失败重试次数 -->
- <property name="acquireRetryAttempts" value="2"/>
- </bean>
- <!-- 3.配置SqlSessionFactory对象 -->
- <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
- <!-- 注入数据库连接池 -->
- <property name="dataSource" ref="dataSource"/>
- <!-- 配置MyBaties全局配置文件:mybatis-config.xml -->
- <property name="configLocation" value="classpath:mybatis-config.xml"/>
- <!-- 扫描pojo包 使用别名 -->
- <property name="typeAliasesPackage" value="com.pojo"/>
- <!-- 扫描sql配置文件:mapper需要的xml文件 -->
- <property name="mapperLocations" value="classpath:mapper/*.xml"/>
- </bean>
- <!-- 4.配置扫描Dao接口包,动态实现Dao接口,注入到spring容器中 -->
- <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
- <!-- 注入sqlSessionFactory -->
- <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
- <!-- 给出需要扫描Dao接口包 -->
- <property name="basePackage" value="com.dao"/>
- </bean>
- </beans>
spring-mvc.xml:(spring mvc配置文件)
- <?xml version="1.0" encoding="UTF-8" ?>
- <beans xmlns="http://www.springframework.org/schema/beans"
- xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
- xmlns:context="http://www.springframework.org/schema/context"
- xmlns:mvc="http://www.springframework.org/schema/mvc"
- xsi:schemaLocation="http://www.springframework.org/schema/beans
- http://www.springframework.org/schema/beans/spring-beans.xsd
- http://www.springframework.org/schema/context
- http://www.springframework.org/schema/context/spring-context.xsd
- http://www.springframework.org/schema/mvc
- http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
- <!-- 配置SpringMVC -->
- <!-- 1.开启SpringMVC注解模式 -->
- <!-- 简化配置:
- (1)自动注册DefaultAnootationHandlerMapping,AnotationMethodHandlerAdapter
- (2)提供一些列:数据绑定,数字和日期的format @NumberFormat, @DateTimeFormat, xml,json默认读写支持
- -->
- <mvc:annotation-driven />
- <!-- 2.静态资源默认servlet配置
- (1)加入对静态资源的处理:js,gif,png
- (2)允许使用"/"做整体映射
- -->
- <mvc:default-servlet-handler/>
- 8000
- <!-- 3.配置jsp 显示ViewResolver -->
- <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
- <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />
- <property name="prefix" value="/WEB-INF/jsp/" />
- <property name="suffix" value=".jsp" />
- </bean>
- <!-- 4.扫描web相关的bean -->
- <context:component-scan base-package="com.controller" />
- </beans>
spring-service.xml
- <?xml version="1.0" encoding="UTF-8"?>
- <beans xmlns="http://www.springframework.org/schema/beans"
- xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
- xmlns:context="http://www.springframework.org/schema/context"
- xmlns:tx="http://www.springframework.org/schema/tx"
- xsi:schemaLocation="http://www.springframework.org/schema/beans
- http://www.springframework.org/schema/beans/spring-beans.xsd
- http://www.springframework.org/schema/context
- http://www.springframework.org/schema/context/spring-context.xsd
- http://www.springframework.org/schema/tx
- http://www.springframework.org/schema/tx/spring-tx.xsd">
- <!-- 扫描service包下所有使用注解的类型 -->
- <context:component-scan base-package="com.service" />
- <!-- 配置事务管理器 -->
- <bean id="transactionManager"
- class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
- <!-- 注入数据库连接池 -->
- <property name="dataSource" ref="dataSource" />
- </bean>
- <!-- 配置基于注解的声明式事务 -->
- <tx:annotation-driven transaction-manager="transactionManager" />
- </beans>
- 在jdbc.properties文件中配置mysql数据库(这里的数据库名、表名,用户名,密码一定要记得修改!!!)。
-
- jdbc.driver=com.mysql.jdbc.Driver
- jdbc.url=jdbc:mysql://127.0.0.1:3306/papersystem?useUnicode=true&characterEncoding=utf8
- jdbc.username=root
- jdbc.password=12345678 [/code]
<p class="cye-lm-tag"> </p> </li> <li>在log4j.properties文件中配置日志设定</li>
- log4j.rootLogger=ERROR, stdout
- log4j.appender.stdout=org.apache.log4j.ConsoleAppender
- log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
- log4j.appender.stdout.layout.ConversionPattern=%5p [%t] - %m%n
- 在mybatis-config.xml文件中配置mybtis框架
- <?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>
- <!-- 配置全局属性 -->
- <settings>
- <!-- 使用jdbc的getGeneratedKeys获取数据库自增主键值 -->
- <setting name="useGeneratedKeys" value="true" />
- <!-- 使用列别名替换列名 默认:true -->
- <setting name="useColumnLabel" value="true" />
- <!-- 开启驼峰命名转换:Table{create_time} -> Entity{createTime} -->
- <setting name="mapUnderscoreToCamelCase" value="true" />
- </settings>
- </configuration>
- 配置web.xml文件
- <!DOCTYPE web-app PUBLIC
- "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
- "http://java.sun.com/dtd/web-app_2_3.dtd" >
- <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
- xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
- http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
- version="3.1" metadata-complete="true">
- <display-name>Archetype Created Web Application</display-name>
- <servlet>
- <servlet-name>dispatcher</servlet-name>
- <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
- <!-- 配置springMVC需要加载的配置文件
- spring-dao.xml,spring-service.xml,spring-mvc.xml
- Mybatis - > spring -> springmvc
- -->
- <init-param>
- <param-name>contextConfigLocation</param-name>
- <param-value>classpath:spring/spring-*.xml</param-value>
- </init-param>
- </servlet>
- <servlet-mapping>
- <servlet-name>dispatcher</servlet-name>
- <!-- 默认匹配所有的请求 -->
- <url-pattern>/</url-pattern>
- </servlet-mapping>
- <filter>
- <filter-name>encodingFilter</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>
- </filter>
- <filter-mapping>
- <filter-name>encodingFilter</filter-name>
- <url-pattern>/*</url-pattern>
- </filter-mapping>
- </web-app>
- 修改index.jsp文件
index.jsp
- <%@ page language="java" contentType="text/html; charset=UTF-8"
- pageEncoding="UTF-8" %>
- <%
- pageContext.setAttribute("path", request.getContextPath());
- %>
- <!DOCTYPE HTML>
- <html>
- <head>
- <title>首页</title>
- <style type="text/css">
- a {
- text-decoration: none;
- color: black;
- font-size: 18px;
- }
- h3 {
- width: 180px;
- height: 38px;
- margin: 100px auto;
- text-align: center;
- line-height: 38px;
- background: deepskyblue;
- border-radius: 4px;
- }
- </style>
- </head>
- <body>
- <div class="container">
- <div class="row clearfix">
- <div class="col-md-12 column">
- <div class="page-header">
- <h1>
- 基于SSM框架的管理系统:简单实现增、删、改、查。
- </h1>
- </div>
- </div>
- </div>
- </div>
- <br><br>
- <h3>
- <a href="${path }/paper/allPaper">点击进入管理页面</a>
- </h3>
- </body>
- </html>
- 在WEB-INF/jsp包下分别新建addPaper,jsp , appPaper.jsp , updatePaper.jsp
allPaper.jsp:所有论文显示界面
- <%--
- Created by IntelliJ IDEA.
- User: lenovo
- Date: 2018/4/6
- Time: 16:57
- To change this template use File | Settings | File Templates.
- --%>
- <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
- <%@ page contentType="text/html;charset=UTF-8" language="java" %>
- <% String appPath = request.getContextPath(); %>
- <html>
- <head>
- <title>Paper列表</title>
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <!-- 引入 Bootstrap -->
- <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
- </head>
- <body>
- <div class="container">
- <div class="row clearfix">
- <div class="col-md-12 column">
- <div class="page-header">
- <h1>
- 基于SSM框架的管理系统:简单实现增、删、改、查。
- </h1>
- </div>
- </div>
- </div>
- <div class="row clearfix">
- <div class="col-md-12 column">
- <div class="page-header">
- <h1>
- <small>论文列表 —— 显示所有论文</small>
- </h1>
- </div>
- </div>
- </div>
- <div class="row">
- <div class="col-md-4 column">
- <a class="btn btn-primary" href="${path}/paper/toAddPaper">新增</a>
- </div>
- </div>
- <div class="row clearfix">
- <div class="col-md-12 column">
- <table class="table table-hover table-striped">
- <thead>
- <tr>
- <th>论文编号</th>
- <th>论文名字</th>
- <th>论文数量</th>
- <th>论文详情</th>
- <th>操作</th>
- </tr>
- </thead>
- <tbody>
- <c:forEach var="paper" items="${requestScope.get('list')}" varStatus="status">
- <tr>
- <td>${paper.paperId}</td>
- <td>${paper.paperName}</td>
- <td>${paper.paperNum}</td>
- <td>${paper.paperDetail}</td>
- <td>
- <a href="${path}/paper/toUpdatePaper?id=${paper.paperId}">更改</a> |
- <a href="<%=appPath%>/paper/del/${paper.paperId}">删除</a>
- </td>
- </tr>
- </c:forEach>
- </tbody>
- </table>
- </div>
- </div>
- </div>
addPaper,jsp:论文添加页面
- <%--
- Created by IntelliJ IDEA.
- User: lenovo
- Date: 2018/4/7
- Time: 16:45
- To change this template use File | Settings | File Templates.
- --%>
- <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
- <%@ page contentType="text/html;charset=UTF-8" language="java" %>
- <%
- String path = request.getContextPath();
- String basePath = request.getScheme() + "://"
- + request.getServerName() + ":" + request.getServerPort()
- + path + "/";
- %>
- <html>
- <head>
- <title>新增论文</title>
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <!-- 引入 Bootstrap -->
- <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
- </head>
- <body>
- <div class="container">
- <div class="row clearfix">
- <div class="col-md-12 column">
- <div class="page-header">
- <h1>
- 基于SSM框架的管理系统:简单实现增、删、改、查。
- </h1>
- </div>
- </div>
- </div>
- <div class="row clearfix">
- <div class="col-md-12 column">
- <div class="page-header">
- <h1>
- <small>新增论文</small>
- </h1>
- </div>
- </div>
- </div>
- <form action="" name="userForm">
- 论文名称:<input type="text" name="paperName"><br><br><br>
- 论文数量:<input type="text" name="paperNum"><br><br><br>
- 论文详情:<input type="text" name="paperDetail"><br><br><br>
- <input type="button" value="添加" onclick="addPaper()">
- </form>
- <script type="text/javascript">
- function addPaper() {
- var form = document.forms[0];
- form.action = "<%=basePath %>paper/addPaper";
- form.method = "post";
- form.submit();
- }
- </script>
- </div>
updatePaper.jsp:论文更改界面
- <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
- <%@ page contentType="text/html;charset=UTF-8" language="java" %>
- <%
- String path = request.getContextPath();
- String basePath = request.getScheme() + "://"
- + request.getServerName() + ":" + request.getServerPort()
- + path + "/";
- %>
- <html>
- <head>
- <title>修改论文</title>
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <!-- 引入 Bootstrap -->
- <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
- </head>
- <body>
- <div class="container">
- <div class="row clearfix">
- <div class="col-md-12 column">
- <div class="page-header">
- <h1>
- 基于SSM框架的管理系统:简单实现增、删、改、查。
- </h1>
- </div>
- </div>
- </div>
- <div class="row clearfix">
- <div class="col-md-12 column">
- <div class="page-header">
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