IDEA+Maven 整合SSM框架實現簡單的增刪改查(新手入門,傻瓜操作)


原博客地址:https://blog.csdn.net/khxu666/article/details/79851070

選用SSM框架的原因
在目前的企業級Java應用中,Spring框架是必須的。Struts2框架與Spring的整合問題日益凸顯,而Spring MVC作為新一代的MVC框架,因其可以與Spring框架無縫整合的特性收到了越來越多的歡迎。Hibernate框架在面對需要存儲過程或者復雜SQL時顯得力不從心,不能提供高效的數據庫控制。而Mybatis框架作為持久層的框架,雖然需要自己編寫SQL語句,但是其對高並發高響應的支持,以及對動態SQL和動態綁定的支持使其脫穎而出。

因此SSM框架(Spring + Spring MVC +Mybatis)逐漸取代了之前廣泛使用的SSH框架(Spring + Struts2 + Hibernate),成為了目前使用最多的框架。

本文使用IDEA,利用Maven管理項目,整合SSM框架搭建論文管理系統,實現簡單的增、刪、改、查功能。步驟詳細,講解豐富,適合新手入門。

開發工具
IntelliJ IDEA Ultimate 2017.2.2
Apache-tomcat-9.0.5
JDK 1.8.0_121
MySQL 5.7
Maven 3.3.9
工程結構
最終完成后的工程結構:


下面開始詳細的講解項目的開發過程。

IDEA+Maven搭建項目骨架
1. 新建Maven項目:
點擊File -> New -> Project -> Maven -> 勾選 Create from archetype -> 選擇 maven-archetype-webapp (注意:此處不要錯選成上面的cocoom-22-archetype-webapp)

在彈出的new project 選項卡中填寫GroupId和Artifactid,其中GroupID是項目組織唯一的標識符,實際對應JAVA的包的結構,是main目錄里java的目錄結構,ArtifactID是項目的唯一的標識符,實際對應項目的名稱,就是項目根目錄的名稱。對於入門練習,這兩項可以隨意填寫。


之后點擊next 選擇Maven版本(其中IDEA 專業版自帶Maven,也可以選擇自己下載的maven)。之后填寫項目名稱和項目地址,完成后點擊Finish,完成項目骨架的創建。


.

2. 在新建的項目中添加所需要的文件/文件夾

創建之后的項目如圖所示,我們需要在這之上新建一些目錄。


在項目的根目錄下新建target文件夾,系統自動將其設置為“Excluded”

在src/main目錄下新建Directory:“java”,並將其設置為“Source Root”(即:此項目默認的代碼文件源目錄)


在剛才新建的java文件下新建“com”包,再在com包下新建四個包,分別命名為:pojo,service,dao,controller。(如果出現下圖中所示的包名重疊的情況,可以點擊圖中所示的圖標,將“Hide empty middle package取消掉”)

上面新建的四個包:pojo,service,dao,controller,其所存放的分別是:

pojo: 存放自定義的java類。如:paper類,user類,book類等,每個類的屬性設為private,並提供public屬性的getter/setter方法讓外界訪問
service:定義接口,包含系統所提供的功能。(之后還會在service包下再新建impl包)。
dao:定義接口,包含與數據庫進行交互的功能。
controller:控制器,負責接收頁面請求,轉發和處理。
在resource包下新建Directory:“mapper”(用於存放xxxMapper.xml文件)和“spring”(用於存放spring-xxx.xml配置文件),新建文件:“jdbc.properties”(mysql數據庫配置文件),”log4j.properties”(日志輸出配置文件),”mybatis-config.xml”(mybatis框架配置文件)。

在web-inf目錄下新建“jsp”包,存放xxx.jsp顯示界面。
補充之后的項目目錄如下圖所示,至此項目骨架搭建完畢,開始寫代碼實現增刪改查功能。


3. 自定義Paper類

在這之前要對項目的pom.xml文件進行配置,在此文件中配置項目所需要的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>
<!-- 單元測試 -->
<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>${spring.version}</version>
</dependency>
<!-- 第二部分:Servlet web -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.0.1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.2</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>taglibs</groupId>
<artifactId>standard</artifactId>
<version>1.1.2</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.9.4</version>
</dependency>
<!-- 第三部分:數據庫和mybatis -->
<!-- 數據庫 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.38</version>
</dependency>
<!-- 數據庫連接池 -->
<dependency>
<groupId>com.mchange</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.5.2</version>
</dependency>
<!-- MyBatis -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${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 -->
<!-- 實現slf4j接口並整合 -->
<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>


本項目所用的數據庫為MySQL 5.7 建表語句如下:


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名稱',
`number` int(11) NOT NULL COMMENT 'paper數量',
`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', '機器學習', '2', 'mlmlmlml');
INSERT INTO `paper` VALUES ('2', '深度學習', '3', 'dldldl');
INSERT INTO `paper` VALUES ('3', '大數據', '4', 'bdbdbd');


下面開始寫java代碼:

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方法可以在定義完私有屬性之后使用IDEA提供的快捷鍵:ALT+Insert 來實現快速添加


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,並在此包中新建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代理開發配置文件)
<?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包下分別新建配置文件: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過程 -->
<!-- 1.配置數據庫相關參數properties的屬性:${url} -->
<context:property-placeholder location="classpath:jdbc.properties"/>

<!-- 2.數據庫連接池 -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<!-- 配置連接池屬性 -->
<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連接池的私有屬性 -->
<property name="maxPoolSize" value="30"/>
<property name="minPoolSize" value="10"/>
<!-- 關閉連接后不自動commit -->
<property name="autoCommitOnClose" value="false"/>
<!-- 獲取連接超時時間 -->
<property name="checkoutTimeout" value="10000"/>
<!-- 當獲取連接失敗重試次數 -->
<property name="acquireRetryAttempts" value="2"/>
</bean>

<!-- 3.配置SqlSessionFactory對象 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!-- 注入數據庫連接池 -->
<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"/>
<!-- 掃描pojo包 使用別名 -->
<property name="typeAliasesPackage" value="com.pojo"/>
<!-- 掃描sql配置文件:mapper需要的xml文件 -->
<property name="mapperLocations" value="classpath:mapper/*.xml"/>
</bean>

<!-- 4.配置掃描Dao接口包,動態實現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"/>
<!-- 給出需要掃描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.開啟SpringMVC注解模式 -->
<!-- 簡化配置:
(1)自動注冊DefaultAnootationHandlerMapping,AnotationMethodHandlerAdapter
(2)提供一些列:數據綁定,數字和日期的format @NumberFormat, @DateTimeFormat, xml,json默認讀寫支持
-->
<mvc:annotation-driven />

<!-- 2.靜態資源默認servlet配置
(1)加入對靜態資源的處理:js,gif,png
(2)允許使用"/"做整體映射
-->
<mvc:default-servlet-handler/>

<!-- 3.配置jsp 顯示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.掃描web相關的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">
<!-- 掃描service包下所有使用注解的類型 -->
<context:component-scan base-package="com.service" />

<!-- 配置事務管理器 -->
<bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<!-- 注入數據庫連接池 -->
<property name="dataSource" ref="dataSource" />
</bean>
<!-- 配置基於注解的聲明式事務 -->
<tx:annotation-driven transaction-manager="transactionManager" />
</beans>

在jdbc.properties文件中配置mysql數據庫(這里的數據庫名、表名,用戶名,密碼一定要記得修改!!!)。
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

在log4j.properties文件中配置日志設定
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>
<!-- 配置全局屬性 -->
<settings>
<!-- 使用jdbc的getGeneratedKeys獲取數據庫自增主鍵值 -->
<setting name="useGeneratedKeys" value="true" />

<!-- 使用列別名替換列名 默認:true -->
<setting name="useColumnLabel" value="true" />

<!-- 開啟駝峰命名轉換: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需要加載的配置文件
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>
<!-- 默認匹配所有的請求 -->
<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>首頁</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>
基於SSM框架的管理系統:簡單實現增、刪、改、查。
</h1>
</div>
</div>
</div>
</div>
<br><br>
<h3>
<a href="${path }/paper/allPaper">點擊進入管理頁面</a>
</h3>
</body>
</html>

在WEB-INF/jsp包下分別新建addPaper,jsp , appPaper.jsp , updatePaper.jsp
allPaper.jsp:所有論文顯示界面

<%--
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>
基於SSM框架的管理系統:簡單實現增、刪、改、查。
</h1>
</div>
</div>
</div>

<div class="row clearfix">
<div class="col-md-12 column">
<div class="page-header">
<h1>
<small>論文列表 —— 顯示所有論文</small>
</h1>
</div>
</div>
</div>
<div class="row">
<div class="col-md-4 column">
<a class="btn btn-primary" href="${path}/paper/toAddPaper">新增</a>
</div>
</div>
<div class="row clearfix">
<div class="col-md-12 column">
<table class="table table-hover table-striped">
<thead>
<tr>
<th>論文編號</th>
<th>論文名字</th>
<th>論文數量</th>
<th>論文詳情</th>
<th>操作</th>
</tr>
</thead>
<tbody>
<c:forEach var="paper" items="${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}">刪除</a>
</td>
</tr>
</c:forEach>
</tbody>
</table>
</div>
</div>
</div>

addPaper,jsp:論文添加頁面

<%--
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>新增論文</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>
基於SSM框架的管理系統:簡單實現增、刪、改、查。
</h1>
</div>
</div>
</div>

<div class="row clearfix">
<div class="col-md-12 column">
<div class="page-header">
<h1>
<small>新增論文</small>
</h1>
</div>
</div>
</div>
<form action="" name="userForm">
論文名稱:<input type="text" name="paperName"><br><br><br>
論文數量:<input type="text" name="paperNum"><br><br><br>
論文詳情:<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:論文更改界面

<%@ 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>修改論文</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>
基於SSM框架的管理系統:簡單實現增、刪、改、查。
</h1>
</div>
</div>
</div>

<div class="row clearfix">
<div class="col-md-12 column">
<div class="page-header">
<h1>
<small>修改論文</small>
</h1>
</div>
</div>
</div>

<form action="" name="userForm">
<input type="hidden" name="paperId" value="${paper.paperId}"/>
論文名稱:<input type="text" name="paperName" value="${paper.paperName}"/>
論文數量:<input type="text" name="paperNum" value="${paper.paperNum}"/>
論文詳情:<input type="text" name="paperDetail" value="${paper.paperDetail }"/>
<input type="button" value="提交" onclick="updatePaper()"/>
</form>
<script type="text/javascript">
function updatePaper() {
var form = document.forms[0];
form.action = "<%=basePath %>paper/updatePaper";
form.method = "post";
form.submit();
}
</script>
</div>

4. 利用tomcat進行項目部署

下載 安裝 tomcat:tomcat 9 下載地址
IDEA配置tomcat:
點擊上方的 Run 選項,選擇Edit Configuration


選擇default -> tomcat -> local 選擇下載安裝到本地的tomcat服務器的地址

 

切換到Deployment選項頁 點擊 + 號選擇 Arctifact ,


添加 項目名:war exploded 打包

最后在Application context 中選擇 空白 那一項,點擊 Apply 應用。


最后切換到index.jsp界面,右鍵運行項目


5. 運行界面

 

論文列表界面:

新增論文界面:

論文修改界面:


至此,利用IDEA+Maven+SSM框架實現的簡單的增、刪、改、查功能已經構建完畢!
---------------------
作者:二營長的意大利面
來源:CSDN
原文:https://blog.csdn.net/khxu666/article/details/79851070
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