idea+Maven整合SSM框架实现简单增删改查

1.最终完成的工程架构：
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2.下面详细讲解一下
新建Maven项目：点击File -> New -> Project -> Maven -> 勾选 Create from archetype -> 选择 maven-archetype-webapp。

在弹出的new project 选项卡中填写GroupId和Artifactid，自己随便写就是了。
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点Next，然后点那三个点，选择自己本地的maven。

然后点那个＋号，Name跟Value跟我的输一样就是了。

然后点OK,Next,Finish。
右下角那个框里点右边那个，然后等到BUILD SUCCESS。

接下来可以在数据库里建表了，类似于下面这张表。
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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

<?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.zhongruan</groupId>
  <artifactId>ssm00</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>war</packaging>

  <name>ssm00 Maven Webapp</name>
  <!-- FIXME change it to the project's website -->
  <url>http://www.example.com</url>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>1.7</maven.compiler.source>
    <maven.compiler.target>1.7</maven.compiler.target>
    <!-- spring版本号 -->
    <spring.version>5.0.2.RELEASE</spring.version>
    <!-- mybatis版本号 -->
    <mybatis.version>3.2.6</mybatis.version>
    <!-- log4j日志文件管理包版本 -->
    <slf4j.version>1.7.7</slf4j.version>
    <log4j.version>1.2.17</log4j.version>
    <c3p0.version>0.9.5.2</c3p0.version>
    <taglibs.version>1.1.2</taglibs.version>
  </properties>

  <dependencies>
    <!-- spring核心包 -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-core</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-web</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-oxm</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-tx</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-jdbc</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aop</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context-support</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-test</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <!-- mybatis核心包 -->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis</artifactId>
      <version>${mybatis.version}</version>
    </dependency>
    <!-- mybatis/spring包 -->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis-spring</artifactId>
      <version>1.2.2</version>
    </dependency>
    <!-- 导入java ee jar 包 -->
    <dependency>
      <groupId>javax</groupId>
      <artifactId>javaee-api</artifactId>
      <version>7.0</version>
    </dependency>

    <!-- 导入Mysql数据库链接jar包 -->
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>5.1.30</version>
    </dependency>
    <!-- 导入dbcp的jar包，用来在applicationContext.xml中配置数据库 -->
    <dependency>
      <groupId>commons-dbcp</groupId>
      <artifactId>commons-dbcp</artifactId>
      <version>1.2.2</version>
    </dependency>
    <!-- JSTL标签类 -->
    <dependency>
      <groupId>jstl</groupId>
      <artifactId>jstl</artifactId>
      <version>1.2</version>
    </dependency>
    <!-- 日志文件管理包 -->
    <!-- log start -->
    <dependency>
      <groupId>log4j</groupId>
      <artifactId>log4j</artifactId>
      <version>${log4j.version}</version>
    </dependency>


    <!-- 数据连接池 -->
    <dependency>
      <groupId>com.mchange</groupId>
      <artifactId>c3p0</artifactId>
      <version>${c3p0.version}</version>
    </dependency>

    <dependency>
      <groupId>taglibs</groupId>
      <artifactId>standard</artifactId>
      <version>${taglibs.version}</version>
    </dependency>

    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-api</artifactId>
      <version>${slf4j.version}</version>
    </dependency>
    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-log4j12</artifactId>
      <version>${slf4j.version}</version>
    </dependency>

    <!-- 导入servlet-api/jsp -->
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>javax.servlet-api</artifactId>
      <version>3.1.0</version>
      <scope>provided</scope>
    </dependency>
    <!-- https://mvnrepository.com/artifact/javax.servlet.jsp/javax.servlet.jsp-api -->
    <dependency>
      <groupId>javax.servlet.jsp</groupId>
      <artifactId>javax.servlet.jsp-api</artifactId>
      <version>2.3.1</version>
      <scope>provided</scope>
    </dependency>
  </dependencies>

  <build>
    <finalName>ssm00</finalName>
    <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
      <plugins>
        <plugin>
          <artifactId>maven-clean-plugin</artifactId>
          <version>3.1.0</version>
        </plugin>
        <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
        <plugin>
          <artifactId>maven-resources-plugin</artifactId>
          <version>3.0.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>3.8.0</version>
        </plugin>
        <plugin>
          <artifactId>maven-surefire-plugin</artifactId>
          <version>2.22.1</version>
        </plugin>
        <plugin>
          <artifactId>maven-war-plugin</artifactId>
          <version>3.2.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-install-plugin</artifactId>
          <version>2.5.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-deploy-plugin</artifactId>
          <version>2.8.2</version>
        </plugin>
      </plugins>
    </pluginManagement>
  </build>
</project>

在main下面建两个Directory：分别命名为java，resources。
然后右击，找到Mark Directory as，分别选Source Root，Resources Root。

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在刚才新建的java文件下新建“com.zhongruan.bean”包，依次展开，再在zhongruan包下新建三个包，分别命名为：service,dao,controller。
![在这里插入图片描述](https://img-blog.csdnimg.cn/2019062923474767.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3d5a3Nid3hz,size_16,color_FFFFFF,t_70
在src下面建一个Directory，命名为target，然后找到Mark Directory as，设置为Excluded。
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在bean下面创建类UserInfo,代码如下：

package com.zhongruan.bean;

public class UserInfo {
    private int id;
    private String username;
    private String password;

    public int getId() {
        return id;
    }

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

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    @Override
    public String toString() {
        return "UserInfo{" +
                "id=" + id +
                ", username='" + username + '\'' +
                ", password='" + password + '\'' +
                '}';
    }
}

接下来在dao下面创建接口IUserDao。

package com.zhongruan.dao;

import com.zhongruan.bean.UserInfo;

import java.util.List;

public interface IUserDao {
    public List<UserInfo> findAll();
    public  void insert(UserInfo userInfo);
    public  void delete(UserInfo userInfo);
    public  void update(UserInfo userInfo);
    public UserInfo findId(int id);
}

在controller下面创建Usercontroller

package com.zhongruan.controller;

import com.zhongruan.bean.UserInfo;
import com.zhongruan.service.IUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

import java.util.List;

@Controller
@RequestMapping("/user")
public class UserController {

    @Autowired
    private IUserService userService;

    @RequestMapping("/findAll.do")
    public ModelAndView findAll() {
        List<UserInfo> all = userService.findAll();
        ModelAndView mv = new ModelAndView();
        mv.addObject("userInfos", all);
        mv.setViewName("allUser");
        return mv;
    }

    @RequestMapping("/toAddUser.do")
    public ModelAndView insert() {
        ModelAndView mv = new ModelAndView();
        mv.setViewName("addUser");
        return mv;
    }

    @RequestMapping("/save.do")
    public ModelAndView save(UserInfo userinfo) {
        userService.insert(userinfo);
        ModelAndView mv = new ModelAndView();
        mv = findAll();
        return mv;
    }

    @RequestMapping("/delete.do")
    public ModelAndView delete(UserInfo userinfo) {
        userService.delete(userinfo);
        ModelAndView mv = new ModelAndView();
        mv = findAll();
        return mv;

    }

    @RequestMapping("/toUpdate.do")
    public ModelAndView toUpdate(int id) {
        ModelAndView mv = new ModelAndView();
        mv = findAll();
        UserInfo userinfo = userService.findId(id);
        mv.addObject("userInfo", userinfo);
        mv.setViewName("updateUser");
        return mv;

    }

    @RequestMapping("/update.do")
    public ModelAndView update(UserInfo userinfo) {
        ModelAndView mv = new ModelAndView();
        userService.update(userinfo);
        mv = findAll();
        return mv;
    }
    
    
}

在Service下面建接口IUserService:

package com.zhongruan.service;

import com.zhongruan.bean.UserInfo;

import java.util.List;

public interface IUserService {
    public List<UserInfo> findAll();
    public void insert(UserInfo userinfo);
    public void delete(UserInfo userinfo);
    public UserInfo findId(int id);
    public void update(UserInfo userinfo);
}

在service下面建一个包：impl，在这个包下面创建类：UserService。

package com.zhongruan.service.impl;

import com.zhongruan.bean.UserInfo;
import com.zhongruan.dao.IUserDao;
import com.zhongruan.service.IUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;
@Service
public class UserService implements IUserService {
    @Autowired
    private IUserDao userDao;

    @Override
    public List<UserInfo> findAll() {
        return userDao.findAll();
    }
    public  void insert(UserInfo userinfo){

        userDao.insert(userinfo);
    }
    public  void delete(UserInfo userinfo){
        userDao.delete(userinfo);

    }
    public  void update(UserInfo userinfo){

        userDao.update(userinfo);
    }
    public UserInfo findId(int id) {
        return userDao.findId(id);

    }
}

在resources下面建包mapper，然后在这个包下面新建一个UserMapper.xml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.zhongruan.dao.IUserDao" >
    <select id="findAll" resultType="com.zhongruan.bean.UserInfo">
        select * from userinfo
    </select>
    <insert id="insert" parameterType="com.zhongruan.bean.UserInfo">
        insert into userinfo(id,username,password) values(#{id},#{username},#{password})
    </insert>
    <delete id="delete" parameterType="com.zhongruan.bean.UserInfo">
        delete from userinfo where id =#{id}
    </delete>
    <update id="update" parameterType="com.zhongruan.bean.UserInfo">
        update userinfo set username=#{username},password=#{password} where id=#{id}
    </update>
    <select id="findid" resultType="com.zhongruan.bean.UserInfo">
        select * from userinfo where id=#{id}
    </select>

</mapper>

在WEB-INF下面创建文件，如图所示：
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addUser：

<%@ page language="java" contentType="text/html; charset=UTF-8"
         pageEncoding="UTF-8" isELIgnored="false"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>

<html>
<head>
    <title>新增用户</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>新增用户</small>
                </h1>
            </div>
        </div>
    </div>
    <form action="${pageContext.request.contextPath}/user/save.do"
              method="post">
        用&nbsp;&nbsp;户&nbsp;&nbsp;id：<input type="text" name="id"><br><br><br>
        用户姓名：<input type="text" name="username"><br><br><br>
        用户密码：<input type="text" name="password"><br><br><br>
        <input type="submit" value="添加" >
    </form>

</div>

allUser:

<%@ page language="java" contentType="text/html; charset=UTF-8"
         pageEncoding="UTF-8" isELIgnored="false"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>

<html>
<head>
    <title>user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>用户列表 —— 显示所有用户</small>
                </h1>
            </div>
        </div>
    </div>
    <div class="row">
        <div class="col-md-4 column">
            <a class="btn btn-primary" href="${pageContext.request.contextPath}/user/toAddUser.do">新增</a>
        </div>
    </div>
    <div class="row clearfix">
        <div class="col-md-12 column">
            <table class="table table-hover table-striped">
                <thead>
                <tr>
                    <th>id</th>
                    <th>用户名</th>
                    <th>密码</th>
                    <th>操作</th>
                </tr>
                </thead>
                <tbody>
                <c:forEach items="${userInfos}" var="userInfo">
                    <tr>
                        <td>${userInfo.id}</td>
                        <td>${userInfo.username}</td>
                        <td>${userInfo.password}</td>
                        <td>
                            <a href="${pageContext.request.contextPath}/user/toUpdate.do?id=${userInfo.id}">更改</a> |
                            <a href="${pageContext.request.contextPath}/user/delete.do?id=${userInfo.id}">删除</a>
                        </td>
                    </tr>
                </c:forEach>
                </tbody>
            </table>
        </div>
    </div>
</div>

updateUser:

<%@ page language="java" contentType="text/html; charset=UTF-8"
         pageEncoding="UTF-8" isELIgnored="false"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<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">
                <h1>
                    <small>修改用户</small>
                </h1>
            </div>
        </div>
    </div>

    <form action="${pageContext.request.contextPath}/user/update.do"
          method="post">
        <input type="hidden" name="id" value="${userInfo.id}"/>
        用户姓名：<input type="text" name="username" value="${userInfo.username}"/>
        用户密码：<input type="text" name="password" value="${userInfo.password}"/>
        <input type="submit" value="提交" />
    </form>
</div>

user-list:

<%@ page language="java" contentType="text/html; charset=UTF-8"
	pageEncoding="UTF-8" isELIgnored="false"%>
<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<!-- 页面meta -->
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">

<title>数据 - AdminLTE2定制版</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">

<link rel="stylesheet"
	href="${pageContext.request.contextPath}/plugins/bootstrap/css/bootstrap.min.css">
<link rel="stylesheet"
	href="${pageContext.request.contextPath}/plugins/font-awesome/css/font-awesome.min.css">
<link rel="stylesheet"
	href="${pageContext.request.contextPath}/plugins/ionicons/css/ionicons.min.css">
<link rel="stylesheet"
	href="${pageContext.request.contextPath}/plugins/iCheck/square/blue.css">
<link rel="stylesheet"
	href="${pageContext.request.contextPath}/plugins/morris/morris.css">
<link rel="stylesheet"
	href="${pageContext.request.contextPath}/plugins/jvectormap/jquery-jvectormap-1.2.2.css">
<link rel="stylesheet"
	href="${pageContext.request.contextPath}/plugins/datepicker/datepicker3.css">
<link rel="stylesheet"
	href="${pageContext.request.contextPath}/plugins/daterangepicker/daterangepicker.css">
<link rel="stylesheet"
	href="${pageContext.request.contextPath}/plugins/bootstrap-wysihtml5/bootstrap3-wysihtml5.min.css">
<link rel="stylesheet"
	href="${pageContext.request.contextPath}/plugins/datatables/dataTables.bootstrap.css">
<link rel="stylesheet"
	href="${pageContext.request.contextPath}/plugins/treeTable/jquery.treetable.css">
<link rel="stylesheet"
	href="${pageContext.request.contextPath}/plugins/treeTable/jquery.treetable.theme.default.css">
<link rel="stylesheet"
	href="${pageContext.request.contextPath}/plugins/select2/select2.css">
<link rel="stylesheet"
	href="${pageContext.request.contextPath}/plugins/colorpicker/bootstrap-colorpicker.min.css">
<link rel="stylesheet"
	href="${pageContext.request.contextPath}/plugins/bootstrap-markdown/css/bootstrap-markdown.min.css">
<link rel="stylesheet"
	href="${pageContext.request.contextPath}/plugins/adminLTE/css/AdminLTE.css">
<link rel="stylesheet"
	href="${pageContext.request.contextPath}/plugins/adminLTE/css/skins/_all-skins.min.css">
<link rel="stylesheet"
	href="${pageContext.request.contextPath}/css/style.css">
<link rel="stylesheet"
	href="${pageContext.request.contextPath}/plugins/ionslider/ion.rangeSlider.css">
<link rel="stylesheet"
	href="${pageContext.request.contextPath}/plugins/ionslider/ion.rangeSlider.skinNice.css">
<link rel="stylesheet"
	href="${pageContext.request.contextPath}/plugins/bootstrap-slider/slider.css">
</head>

<body class="hold-transition skin-blue sidebar-mini">

	<div class="wrapper">

		<!-- 页面头部 -->
		<jsp:include page="header.jsp"></jsp:include>
		<!-- 页面头部 /-->

		<!-- 导航侧栏 -->
		<jsp:include page="aside.jsp"></jsp:include>
		<!-- 导航侧栏 /-->

		<!-- 内容区域 -->
		<div class="content-wrapper">

			<!-- 内容头部 -->
			<section class="content-header">
			<h1>
				用户管理 <small>全部用户</small>
			</h1>
			<ol class="breadcrumb">
				<li><a href="${pageContext.request.contextPath}/index.jsp"><i
						class="fa fa-dashboard"></i> 首页</a></li>
				<li><a
					href="${pageContext.request.contextPath}/user/findAll.do">用户管理</a></li>

				<li class="active">全部用户</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="#">
											<i class="fa fa-file-o"></i> 新建
										</button>
										
										<button type="button" class="btn btn-default" title="刷新">
											<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"><input
											id="selall" type="checkbox" class="icheckbox_square-blue">
										</th>
										<th class="sorting_asc">ID</th>
										<th class="sorting_desc">用户名</th>
										<th class="sorting_asc sorting_asc_disabled">密码</th>
										<th class="text-center">操作</th>
									</tr>
								</thead>
								<tbody>

									<c:forEach items="${userList}" var="user">
										<tr>
											<td><input name="ids" type="checkbox"></td>
											<td>${user.id }</td>
											<td>${user.username }</td>
											<td>${user.password }</td>
											<td class="text-center">
												<a href="${pageContext.request.contextPath}/user/findById.do?id=${user.id}" class="btn bg-olive btn-xs">详情</a>
												<a href="${pageContext.request.contextPath}/user/findUserByIdAndAllRole.do?id=${user.id}" class="btn bg-olive btn-xs">添加角色</a>
											</td>
										</tr>
									</c:forEach>
								</tbody>
								<!--
                            <tfoot>
                            <tr>
                            <th>Rendering engine</th>
                            <th>Browser</th>
                            <th>Platform(s)</th>
                            <th>Engine version</th>
                            <th>CSS grade</th>
                            </tr>
                            </tfoot>-->
							</table>
							<!--数据列表/-->

						</div>
						<!-- 数据表格 /-->

					</div>
					<!-- /.box-body -->

					<!-- .box-footer-->
					<div class="box-footer">
						<div class="pull-left">
							<div class="form-group form-inline">
								总共2 页，共14 条数据。 每页 <select class="form-control">
									<option>1</option>
									<option>2</option>
									<option>3</option>
									<option>4</option>
									<option>5</option>
								</select> 条
							</div>
						</div>

						<div class="box-tools pull-right">
							<ul class="pagination">
								<li><a href="#" aria-label="Previous">首页</a></li>
								<li><a href="#">上一页</a></li>
								<li><a href="#">1</a></li>
								<li><a href="#">2</a></li>
								<li><a href="#">3</a></li>
								<li><a href="#">4</a></li>
								<li><a href="#">5</a></li>
								<li><a href="#">下一页</a></li>
								<li><a href="#" aria-label="Next">尾页</a></li>
							</ul>
						</div>

					</div>
					<!-- /.box-footer-->

				</div>

				</section>
				<!-- 正文区域 /-->

			</div>
			<!-- @@close -->
			<!-- 内容区域 /-->

			<!-- 底部导航 -->
			<footer class="main-footer">
			<div class="pull-right hidden-xs">
				<b>Version</b> 1.0.8
			</div>
			<strong>Copyright &copy; 2014-2017 <a
				href="http://www.itcast.cn">研究院研发部</a>.
			</strong> All rights reserved. </footer>
			<!-- 底部导航 /-->

		</div>

		<script src="../plugins/jQuery/jquery-2.2.3.min.js"></script>
		<script src="../plugins/jQueryUI/jquery-ui.min.js"></script>
		<script>
			$.widget.bridge('uibutton', $.ui.button);
		</script>
		<script src="../plugins/bootstrap/js/bootstrap.min.js"></script>
		<script src="../plugins/raphael/raphael-min.js"></script>
		<script src="../plugins/morris/morris.min.js"></script>
		<script src="../plugins/sparkline/jquery.sparkline.min.js"></script>
		<script src="../plugins/jvectormap/jquery-jvectormap-1.2.2.min.js"></script>
		<script src="../plugins/jvectormap/jquery-jvectormap-world-mill-en.js"></script>
		<script src="../plugins/knob/jquery.knob.js"></script>
		<script src="../plugins/daterangepicker/moment.min.js"></script>
		<script src="../plugins/daterangepicker/daterangepicker.js"></script>
		<script src="../plugins/daterangepicker/daterangepicker.zh-CN.js"></script>
		<script src="../plugins/datepicker/bootstrap-datepicker.js"></script>
		<script
			src="../plugins/datepicker/locales/bootstrap-datepicker.zh-CN.js"></script>
		<script
			src="../plugins/bootstrap-wysihtml5/bootstrap3-wysihtml5.all.min.js"></script>
		<script src="../plugins/slimScroll/jquery.slimscroll.min.js"></script>
		<script src="../plugins/fastclick/fastclick.js"></script>
		<script src="../plugins/iCheck/icheck.min.js"></script>
		<script src="../plugins/adminLTE/js/app.min.js"></script>
		<script src="../plugins/treeTable/jquery.treetable.js"></script>
		<script src="../plugins/select2/select2.full.min.js"></script>
		<script src="../plugins/colorpicker/bootstrap-colorpicker.min.js"></script>
		<script
			src="../plugins/bootstrap-wysihtml5/bootstrap-wysihtml5.zh-CN.js"></script>
		<script src="../plugins/bootstrap-markdown/js/bootstrap-markdown.js"></script>
		<script
			src="../plugins/bootstrap-markdown/locale/bootstrap-markdown.zh.js"></script>
		<script src="../plugins/bootstrap-markdown/js/markdown.js"></script>
		<script src="../plugins/bootstrap-markdown/js/to-markdown.js"></script>
		<script src="../plugins/ckeditor/ckeditor.js"></script>
		<script src="../plugins/input-mask/jquery.inputmask.js"></script>
		<script
			src="../plugins/input-mask/jquery.inputmask.date.extensions.js"></script>
		<script src="../plugins/input-mask/jquery.inputmask.extensions.js"></script>
		<script src="../plugins/datatables/jquery.dataTables.min.js"></script>
		<script src="../plugins/datatables/dataTables.bootstrap.min.js"></script>
		<script src="../plugins/chartjs/Chart.min.js"></script>
		<script src="../plugins/flot/jquery.flot.min.js"></script>
		<script src="../plugins/flot/jquery.flot.resize.min.js"></script>
		<script src="../plugins/flot/jquery.flot.pie.min.js"></script>
		<script src="../plugins/flot/jquery.flot.categories.min.js"></script>
		<script src="../plugins/ionslider/ion.rangeSlider.min.js"></script>
		<script src="../plugins/bootstrap-slider/bootstrap-slider.js"></script>
		<script>
			$(document).ready(function() {
				// 选择框
				$(".select2").select2();

				// WYSIHTML5编辑器
				$(".textarea").wysihtml5({
					locale : 'zh-CN'
				});
			});

			// 设置激活菜单
			function setSidebarActive(tagUri) {
				var liObj = $("#" + tagUri);
				if (liObj.length > 0) {
					liObj.parent().parent().addClass("active");
					liObj.addClass("active");
				}
			}

			$(document)
					.ready(
							function() {

								// 激活导航位置
								setSidebarActive("admin-datalist");

								// 列表按钮 
								$("#dataList td input[type='checkbox']")
										.iCheck(
												{
													checkboxClass : 'icheckbox_square-blue',
													increaseArea : '20%'
												});
								// 全选操作 
								$("#selall")
										.click(
												function() {
													var clicks = $(this).is(
															':checked');
													if (!clicks) {
														$(
																"#dataList td input[type='checkbox']")
																.iCheck(
																		"uncheck");
													} else {
														$(
																"#dataList td input[type='checkbox']")
																.iCheck("check");
													}
													$(this).data("clicks",
															!clicks);
												});
							});
		</script>
</body>

</html>

web.xml:

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
         version="3.1">

    <!-- 配置加载类路径的配置文件 -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath*:applicationContext.xml</param-value>
    </context-param>

    <!-- 配置监听器 -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <listener>
        <listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
    </listener>

    <!-- 解决中文乱码过滤器 -->
    <filter>
        <filter-name>characterEncodingFilter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>characterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <!-- 前端控制器（加载classpath:spring-mvc.xml 服务器启动创建servlet） -->
    <servlet>
        <servlet-name>dispatcherServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <!-- 配置初始化参数，创建完DispatcherServlet对象，加载springmvc.xml配置文件 -->
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:spring-mvc.xml</param-value>
        </init-param>
        <!-- 服务器启动的时候，让DispatcherServlet对象创建 -->
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>dispatcherServlet</servlet-name>
        <url-pattern>*.do</url-pattern>
    </servlet-mapping>

</web-app>

index.jsp:

<%@ page language="java" contentType="text/html; charset=UTF-8"
         pageEncoding="UTF-8" isELIgnored="false"%>
<html>
<body>
<h2>Hello World!</h2>
<a href="${pageContext.request.contextPath}/user/findAll.do">查询所有用户</a>
</body>
</html>

在resorces下面建四个文件：
在这里插入图片描述
applicationContent.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:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
		http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
		http://www.springframework.org/schema/context
		http://www.springframework.org/schema/context/spring-context-4.3.xsd
		http://www.springframework.org/schema/aop
		http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
		http://www.springframework.org/schema/tx
		http://www.springframework.org/schema/tx/spring-tx-4.3.xsd">
    <!-- 1.配置数据库相关参数properties的属性：${url} -->
    <context:property-placeholder location="classpath:db.properties"/>

    <!-- 2.配置数据源 -->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="driverClass" value="${jdbc.driver}"/>
        <property name="jdbcUrl" value="${jdbc.url}"/>
        <property name="user" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>
        <property name="maxPoolSize" value="30"/>
        <property name="minPoolSize" 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"/>
        <!-- 扫描bean包 使用别名 -->
        <property name="typeAliasesPackage" value="com.zhongruan.bean"></property>

        <!--配置加载映射文件 UserMapper.xml-->
        <property name="mapperLocations" value="classpath:mapper/*.xml"/>

    </bean>

    <!-- 自动生成dao,mapper-->
    <!-- 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">
        <!-- 给出需要扫描Dao接口包 -->
        <property name="basePackage" value="com.zhongruan.dao"/>
        <!-- 注入sqlSessionFactory -->
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
    </bean>



    <!--自动扫描-->
    <context:component-scan base-package="com.zhongruan"/>


    <!-- 配置事务-->
    <!-- 5.配置事务管理器 -->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"/>
    </bean>
    <!-- 6.开启事务注解-->
    <tx:annotation-driven></tx:annotation-driven>

</beans>

db.properties:

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/mysql?useSSL=true&characterEncoding=utf-8
jdbc.username=root
jdbc.password=123456

log4j.properties:

# Global logging configuration
log4j.rootLogger=DEBUG, stdout
# Console output...
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%5p [%t] - %m%n

spring-mvc.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:mvc="http://www.springframework.org/schema/mvc"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
      http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
      http://www.springframework.org/schema/mvc
      http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd
      http://www.springframework.org/schema/context
      http://www.springframework.org/schema/context/spring-context-4.3.xsd
      http://www.springframework.org/schema/aop
      http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
      http://www.springframework.org/schema/tx
      http://www.springframework.org/schema/tx/spring-tx-4.3.xsd">

    <!-- 1.注解扫描位置-->
    <context:component-scan base-package="com.zhongruan.controller" />

    <!-- 2.配置映射处理和适配器-->
    <bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping"/>
    <bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter"/>

    <!-- 3.视图的解析器-->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/jsp/" />
        <property name="suffix" value=".jsp" />
    </bean>

接下来用tomcat运行。点这个Add Configuration
在这里插入图片描述
点加号，进去后选最底下那个33 items more。然后点 tomcat server -> local 选择下载安装到本地的tomcat服务器的地址

切换到Deployment选项页点击 + 号选择 Arctifact

添加项目名:war exploded 打包

最后在Application context 中选择空白那一项，点击 Apply 应用。
在这里插入图片描述
最后点Run“tomcat7”运行

后面的因为我的MySQL出问题了，连不上本机数据库，所以暂时看不了了。

idea+Maven整合SSM框架实现简单增删改查

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