软件版本:
IDEA 2021.3
Maven 3.6.3
MySql (Mariadb) 10.10
JDK 1.8
<dependencies>
<dependency>
<groupId>javax.servletgroupId>
<artifactId>javax.servlet-apiartifactId>
<version>4.0.1version>
<scope>providedscope>
dependency>
<dependency>
<groupId>javax.servletgroupId>
<artifactId>jsp-apiartifactId>
<version>2.0version>
dependency>
<dependency>
<groupId>javax.servletgroupId>
<artifactId>jstlartifactId>
<version>1.2version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-webmvcartifactId>
<version>5.3.1version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-txartifactId>
<version>5.3.1version>
dependency>
<dependency>
<groupId>com.fasterxml.jackson.coregroupId>
<artifactId>jackson-coreartifactId>
<version>2.14.2version>
dependency>
<dependency>
<groupId>com.fasterxml.jackson.coregroupId>
<artifactId>jackson-databindartifactId>
<version>2.14.2version>
dependency>
<dependency>
<groupId>org.mybatisgroupId>
<artifactId>mybatisartifactId>
<version>3.5.13version>
dependency>
<dependency>
<groupId>org.mybatisgroupId>
<artifactId>mybatis-springartifactId>
<version>2.1.1version>
dependency>
<dependency>
<groupId>mysqlgroupId>
<artifactId>mysql-connector-javaartifactId>
<version>8.0.28version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-jdbcartifactId>
<version>5.3.17version>
dependency>
<dependency>
<groupId>com.alibabagroupId>
<artifactId>druidartifactId>
<version>1.2.16version>
dependency>
<dependency>
<groupId>junitgroupId>
<artifactId>junitartifactId>
<version>4.11version>
<scope>testscope>
dependency>
<dependency>
<groupId>org.projectlombokgroupId>
<artifactId>lombokartifactId>
<version>1.18.28version>
dependency>
dependencies>
3 设置插件
<build>
<resources>
<resource>
<directory>src/main/javadirectory>
<includes>
<include>**/*.propertiesinclude>
<include>**/*.xmlinclude>
includes>
<filtering>falsefiltering>
resource>
resources>
<plugins>
<plugin>
<groupId>org.apache.maven.pluginsgroupId>
<artifactId>maven-compiler-pluginartifactId>
<version>3.1version>
<configuration>
<source>1.8source>
<target>1.8target>
configuration>
plugin>
plugins>
build>
配置前端控制器
<servlet>
<servlet-name>myssmservlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServletservlet-class>
<init-param>
<param-name>contextConfigLocationparam-name>
<param-value>classpath:config/springmvc.xmlparam-value>
init-param>
<load-on-startup>1load-on-startup>
servlet>
<servlet-mapping>
<servlet-name>myssmservlet-name>
<url-pattern>*.dourl-pattern>
servlet-mapping>
注册监听器
<context-param>
<param-name>contextConfigLocationparam-name>
<param-value>classpath:config/applicationContext.xmlparam-value>
context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListenerlistener-class>
listener>
注册字符过滤器,处理中文乱码
<filter>
<filter-name>characterEncodingFilterfilter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilterfilter-class>
<init-param>
<param-name>encodingparam-name>
<param-value>utf-8param-value>
init-param>
<init-param>
<param-name>forceRequestEncodingparam-name>
<param-value>trueparam-value>
init-param>
<init-param>
<param-name>forceResponseEncodingparam-name>
<param-value>trueparam-value>
init-param>
filter>
<filter-mapping>
<filter-name>characterEncodingFilterfilter-name>
<url-pattern>/*url-pattern>
filter-mapping>
jdbc.driver=com.mysql.cj.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/db002
jdbc.username=root
jdbc.password=root
<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 https://www.springframework.org/schema/mvc/spring-mvc.xsd">
<context:component-scan base-package="com.hx.controller"/>
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/jsp/"/>
<property name="suffix" value=".jsp"/>
bean>
<mvc:annotation-driven>mvc:annotation-driven>
beans>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:tx="http://www.springframework.org/schema/tx"
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
http://www.springframework.org/schema/mvc
https://www.springframework.org/schema/mvc/spring-mvc.xsd">
<context:property-placeholder location="classpath:config/jdbc.properties" />
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
destroy-method="close">
<property name="driverClassName" value="${jdbc.driver}" />
<property name="url" value="${jdbc.url}" />
<property name="username" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
bean>
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="configLocation" value="classpath:config/mybatis-config.xml" />
bean>
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
<property name="basePackage" value="com.hx.dao"/>
bean>
<context:component-scan base-package="com.hx.service"/>
beans>
DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
<typeAliases>
<package name="com.hx.domain"/>
typeAliases>
<mappers>
<package name="com.hx.dao"/>
mappers>
configuration>
@Data
@AllArgsConstructor
@NoArgsConstructor
public class Student {
private Integer sid;
private String sname;
private Integer sage;
}
@Mapper
public interface StudentDao {
//查询所有
List<Student> findAll();
//新增数据
int addStu(@Param("student") Student student);
//删除数据
int delStuById(Integer sid);
//修改数据
int updateStu(Student student);
}
DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.hx.dao.StudentDao">
<select id="findAll" resultType="Student">
select sid, sname, sage
from student;
select>
<insert id="addStu">
insert into student
values (#{student.sid}, #{student.sname}, #{student.sage});
insert>
<delete id="delStuById">
delete
from student
where sid = #{sid}
delete>
<update id="updateStu" parameterType="Student">
update student
set sname=#{sname},
sage=#{sage}
where sid = #{sid}
update>
mapper>
public interface StudentService {
//查询所有
List<Student> selectAll();
//插入数据
int insertStu(Student student);
int delStuById(Integer sid);
int updateStu(Student student);
}
@Service
public class StudentServiceImpl implements StudentService {
@Autowired
private StudentDao studentDao;
@Override
public List<Student> selectAll() {
return studentDao.findAll();
}
@Override
public int insertStu(Student student) {
return studentDao.addStu(student);
}
@Override
public int delStuById(Integer sid) {
return studentDao.delStuById(sid);
}
@Override
public int updateStu(Student student) {
return studentDao.updateStu(student);
}
}
1、业务Controller
@Controller
@RequestMapping("/student")
public class StudentController {
@Autowired
private StudentService studentService;
@GetMapping("/getAll.do")
public ModelAndView getAll() {
List<Student> list = studentService.selectAll();
ModelAndView mv = new ModelAndView();
mv.addObject("list", list);
mv.setViewName("listStu");
return mv;
}
@PostMapping("/add.do")
public ModelAndView saveStu(Student student) {
String tips = "插入失败";
ModelAndView mv = new ModelAndView();
int i = studentService.insertStu(student);
if (i > 0) {
tips = "插入成功";
}
mv.addObject("data1", tips);
mv.setViewName("success");
return mv;
}
@RequestMapping("/put.do")
public ModelAndView putStu(Student student) {
String tips = "修改失败!";
ModelAndView mv = new ModelAndView();
int i = studentService.updateStu(student);
if (i > 0) {
tips = "修改成功";
}
mv.addObject("data2", tips);
mv.setViewName("success");
return mv;
}
@RequestMapping(value = "/del.do")
public ModelAndView delStu(Integer sid) {
String tips = "删除失败!";
ModelAndView mv = new ModelAndView();
int i = studentService.delStuById(sid);
if (i > 0) {
tips = "删除成功";
}
mv.addObject("data3", tips);
mv.setViewName("success");
return mv;
}
}
2、页面相关Controller
@RestController
@RequestMapping("/index")
public class IndexController {
@RequestMapping("/m1Add.do")
public ModelAndView m1Add(){
ModelAndView mv = new ModelAndView();
mv.setViewName("add");
return mv;
}
@RequestMapping("/m2Put.do")
public ModelAndView m2Put(){
ModelAndView mv = new ModelAndView();
mv.setViewName("put");
return mv;
}
@RequestMapping("/m3Del.do")
public ModelAndView m3Del(){
ModelAndView mv = new ModelAndView();
mv.setViewName("del");
return mv;
}
}
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Titletitle>
<style>
div {
background-color: antiquewhite;
width: 400px;
height: 200px;
margin: 100px auto;
text-align: center;
background-image: url("images/p5.jpg");
background-repeat: no-repeat;
}
a {
text-decoration: none;
color: orange;
}
button {
margin: 10px 20px;
}
style>
head>
<body>
<div>
<h1>功能区首页h1><br>
<button><a href="/student/getAll.do">查询数据a>button>
<button><a href="/index/m1Add.do">插入数据a>button>
<br>
<button><a href="/index/m2Put.do">修改数据a>button>
<button><a href="/index/m3Del.do">删除数据a>button>
div>
body>
html>
1 编写 listStu.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%
String basePath =
request.getScheme() + "://" +
request.getServerName() + ":" +
request.getServerPort() + request.getContextPath() + "/";
%>
<html>
<head>
<title>展示所有学生信息title>
<style>
.box1 {
width: 300px;
height: 400px;
text-align: center;
margin: 10px auto;
background-image: url("/images/p3.jpg");
background-repeat: no-repeat;
}
.box2 {
width: 80px;
height: 25px;
text-align: center;
margin: 10px auto;
}
style>
head>
<body>
<div class="box1">
<table border="1px" width="300px" height="30px" align="center" cellspacing="0" cellpadding="0">
<caption style="font-size: 20px">学生信息表caption>
<tr bgcolor="#a9a9a9" text-align="center">
<td>学号td>
<td>姓名td>
<td>年龄td>
tr>
<%--数据行--%>
<c:forEach items="${list}" var="stu" varStatus="s">
<tr>
<td>${stu.sid}td>
<td>${stu.sname}td>
<td>${stu.sage}td>
tr>
c:forEach>
table>
<%--返回到首页--%>
<div class="box2">
<form action="<%=basePath%>index.jsp">
<input type="submit" name="返回" value="返回功能区">
form>
div>
div>
body>
html>
2 编写 add.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%
String basePath =
request.getScheme() + "://" +
request.getServerName() + ":" +
request.getServerPort() + request.getContextPath() + "/";
%>
<html>
<head>
<title>新增学生信息title>
<style>
div {
background-color: antiquewhite;
width: 300px;
height: 180px;
margin: 100px auto;
text-align: center;
line-height: normal;
background-image: url("/images/p1.jpg");
background-repeat: no-repeat;
}
.box2 {
width: 80px;
height: 25px;
text-align: center;
margin: auto;
}
style>
head>
<body>
<div>
<h3>新增数据h3>
<form action="/student/add.do" method="post">
学号:<input type="text" name="sid" value=""><br>
姓名:<input type="text" name="sname" value=""><br>
年龄:<input type="text" name="sage" value=""><br>
<input type="submit" value="添加">
<input type="reset" value="重置">
form>
<%--返回到首页--%>
<div class="box2">
<form action="<%=basePath%>index.jsp">
<input type="submit" name="返回" value="返回功能区">
form>
div>
div>
body>
html>
3 编写 put.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%
String basePath =
request.getScheme() + "://" +
request.getServerName() + ":" +
request.getServerPort() + request.getContextPath() + "/";
%>
<html>
<head>
<title>修改学生信息title>
<style>
div {
background-color: antiquewhite;
width: 300px;
height: 180px;
margin: 100px auto;
text-align: center;
line-height: normal;
background-image: url("/images/p4.jpg");
background-repeat: no-repeat;
}
.box2 {
width: 80px;
height: 25px;
text-align: center;
margin: auto;
}
style>
head>
<body>
<div>
<h3>根据学号修改数据h3>
<form action="/student/put.do" method="post">
学号:<input type="text" name="sid" value=""><br>
姓名:<input type="text" name="sname" value=""><br>
年龄:<input type="text" name="sage" value=""><br>
<input type="submit" value="修改">
<input type="reset" value="重置">
form>
<%--返回到首页--%>
<div class="box2">
<form action="<%=basePath%>index.jsp">
<input type="submit" name="返回" value="返回功能区">
form>
div>
div>
body>
html>
4 编写 del.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%
String basePath =
request.getScheme() + "://" +
request.getServerName() + ":" +
request.getServerPort() + request.getContextPath() + "/";
%>
<html>
<head>
<title>删除学生信息title>
<style>
div {
background-color: beige;
width: 300px;
height: 150px;
margin: 100px auto;
text-align: center;
background-image: url("/images/p2.jpg");
background-repeat: no-repeat;
}
.box2 {
width: 80px;
height: 25px;
text-align: center;
margin: auto;
}
style>
head>
<body>
<div>
<h3>根据学号删除数据h3>
<form action="/student/del.do" method="get">
<input type="text" placeholder="请输入学号" name="sid" value="">
<input type="submit" value="删除">
form>
<%--返回到首页--%>
<div class="box2">
<form action="<%=basePath%>index.jsp">
<input type="submit" name="返回" value="返回功能区">
form>
div>
div>
body>
html>
5 编写success.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%
String basePath =
request.getScheme() + "://" +
request.getServerName() + ":" +
request.getServerPort() + request.getContextPath() + "/";
%>
<html>
<head>
<title>Titletitle>
<style>
.box1{
width: 200px;
height: 150px;
background-color: lightgoldenrodyellow;
margin: 0 auto;
text-align: center;
}
style>
head>
<body>
<div class="box1">
<div class="box2">
<div>插入:${data1}div>
<div>修改:${data2}div>
<div>删除:${data3}div>
div>
<%--返回到首页--%>
<div>
<form action="<%=basePath%>index.jsp">
<input type="submit" name="返回" value="返回功能区">
form>
div>
div>
body>
html>
https://gitee.com/allureyu/ssm__xml.git
以上纯属个人一手编写,欢迎指教,不喜勿喷!