最近在开发公司的一个系统，系统的框架是用ssm的框架搭建的，当然和这次写博客的不一样，它拥有很多的配置文件，企业级的开发所需要的配置文件是非常繁琐的，今天记录一下一个简单的ssm框架的搭建和实现一个crud的操作。
使用的是maven插件来配置我们需要的jar包，由于操作不多，所以并没有配置很多，要注意自己使用的jdk的版本，选择不同版本号的jdk
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<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.lr</groupid> <artifactid>ssm</artifactid> <packaging>war</packaging> <version>0.0.1-snapshot</version> <name>ssm maven webapp</name> <url>http://maven.apache.org</url> <!-- 用来设置版本号 --> <properties> <srping.version>4.0.2.release</srping.version> <mybatis.version>3.2.8</mybatis.version> <slf4j.version>1.7.12</slf4j.version> <log4j.version>1.2.17</log4j.version> </properties> <!-- 用到的jar包 --> <dependencies> <!-- 单元测试 --> <dependency> <groupid>junit</groupid> <artifactid>junit</artifactid> <version>4.11</version> <!-- 表示开发的时候引入，发布的时候不会加载此包 --> <scope>test</scope> </dependency> <!-- java ee包 --> <dependency> <groupid>javax</groupid> <artifactid>javaee-api</artifactid> <version>7.0</version> </dependency> <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind --> <dependency> <groupid>com.fasterxml.jackson.core</groupid> <artifactid>jackson-databind</artifactid> <version>2.8.8</version> </dependency> <!-- spring框架包 start --> <dependency> <groupid>org.springframework</groupid> <artifactid>spring-test</artifactid> <version>${srping.version}</version> </dependency> <dependency> <groupid>org.springframework</groupid> <artifactid>spring-core</artifactid> <version>${srping.version}</version> </dependency> <dependency> <groupid>org.springframework</groupid> <artifactid>spring-oxm</artifactid> <version>${srping.version}</version> </dependency> <dependency> <groupid>org.springframework</groupid> <artifactid>spring-tx</artifactid> <version>${srping.version}</version> </dependency> <dependency> <groupid>org.springframework</groupid> <artifactid>spring-jdbc</artifactid> <version>${srping.version}</version> </dependency> <dependency> <groupid>org.springframework</groupid> <artifactid>spring-aop</artifactid> <version>${srping.version}</version> </dependency> <dependency> <groupid>org.springframework</groupid> <artifactid>spring-context</artifactid> <version>${srping.version}</version> </dependency> <dependency> <groupid>org.springframework</groupid> <artifactid>spring-context-support</artifactid> <version>${srping.version}</version> </dependency> <dependency> <groupid>org.springframework</groupid> <artifactid>spring-expression</artifactid> <version>${srping.version}</version> </dependency> <dependency> <groupid>org.springframework</groupid> <artifactid>spring-orm</artifactid> <version>${srping.version}</version> </dependency> <dependency> <groupid>org.springframework</groupid> <artifactid>spring-web</artifactid> <version>${srping.version}</version> </dependency> <dependency> <groupid>org.springframework</groupid> <artifactid>spring-webmvc</artifactid> <version>${srping.version}</version> </dependency> <dependency> <groupid>org.springframework</groupid> <artifactid>spring-aspects</artifactid> <version>${srping.version}</version> </dependency> <!-- spring框架包 end --> <!-- mybatis框架包 start --> <dependency> <groupid>org.mybatis</groupid> <artifactid>mybatis</artifactid> <version>${mybatis.version}</version> </dependency> <dependency> <groupid>org.mybatis</groupid> <artifactid>mybatis-spring</artifactid> <version>1.2.2</version> </dependency> <!-- mybatis框架包 end --> <!-- 数据库驱动 --> <dependency> <groupid>mysql</groupid> <artifactid>mysql-connector-java</artifactid> <version>5.1.35</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>1.4</version> </dependency> <!-- jstl标签类 --> <dependency> <groupid>jstl</groupid> <artifactid>jstl</artifactid> <version>1.2</version> </dependency> <dependency> <groupid>taglibs</groupid> <artifactid>standard</artifactid> <version>1.1.2</version> </dependency> <!-- log start --> <dependency> <groupid>log4j</groupid> <artifactid>log4j</artifactid> <version>${log4j.version}</version> </dependency> <dependency> <groupid>org.slf4j</groupid> <artifactid>slf4j-api</artifactid> <version>${slf4j.version}</version> </dependency> <dependency> <groupid>org.slf4j</groupid> <artifactid>slf4j-log4j12</artifactid> <version>${slf4j.version}</version> </dependency> <!-- log end --> <!-- json --> <!-- 格式化对象，方便输出日志 --> <dependency> <groupid>com.alibaba</groupid> <artifactid>fastjson</artifactid> <version>1.2.6</version> </dependency> <dependency> <groupid>org.codehaus.jackson</groupid> <artifactid>jackson-mapper-asl</artifactid> <version>1.9.13</version> </dependency> <!-- 上传组件包 start --> <dependency> <groupid>commons-fileupload</groupid> <artifactid>commons-fileupload</artifactid> <version>1.3.1</version> </dependency> <dependency> <groupid>commons-io</groupid> <artifactid>commons-io</artifactid> <version>2.4</version> </dependency> <dependency> <groupid>commons-codec</groupid> <artifactid>commons-codec</artifactid> <version>1.10</version> </dependency> <!-- 上传组件包 end --> <!-- al相关添加 --> <dependency> <groupid>net.sourceforge.jexcelapi</groupid> <artifactid>jxl</artifactid> <version>2.6</version> </dependency> <dependency> <groupid>org.apache.poi</groupid> <artifactid>poi</artifactid> <version>3.8</version> </dependency> <dependency> <groupid>org.apache.poi</groupid> <artifactid>poi-ooxml</artifactid> <version>3.9</version> </dependency> <!-- al相关添加 --> </dependencies> <build> <finalname>maven_project</finalname> <plugins> <plugin> <groupid>org.apache.maven.plugins</groupid> <artifactid>maven-compiler-plugin</artifactid> <version>2.3.2</version> <configuration> <source>1.7</source> <target>1.7</target> </configuration> </plugin> </plugins> </build> </project> |
然后配置数据库的连接，改成自己的数据库就行了
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driver=com.mysql.jdbc.driverurl=jdbc\:mysql\://locahost\:3306/dbusername=rootpassword=rootmaxactive=20maxidle=20minidle=1maxwait=60000 |
配置文件spring-dao.xml，spring会自动查找其下的类
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<?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:p="http://www.springframework.org/schema/p" 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-3.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"> <!-- dao接口所在包名，spring会自动查找其下的类 --> <bean class="org.mybatis.spring.mapper.mapperscannerconfigurer"> <!--basepackage指定要扫描的包，在此包之下的映射器都会被搜索到。 可指定多个包，包与包之间用逗号或分号分隔--> <property name="basepackage" value="com.lr.dao" /> <property name="sqlsessionfactory" ref="sqlsessionfactory"></property> </bean> </beans> |
配置文件spring和mybatis的整合文件
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<?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:p="http://www.springframework.org/schema/p" 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-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"> <!-- 引入配置文件 --> <context:property-placeholder location="classpath:/jdbc.properties" /> <bean id="datasource" class="org.apache.commons.dbcp.basicdatasource" destroy-method="close"> <property name="driverclassname" value="com.mysql.jdbc.driver" /> <property name="url" value="jdbc:mysql://localhost:3306/db?useunicode=true&characterencoding=utf8" /> <property name="username" value="root" /> <property name="password" value="root" /> <!-- 初始化连接大小 --> <property name="initialsize" value="3" /> <!-- 连接池最大数量 --> <property name="maxactive" value="20" /> <!-- 连接池最大空闲 --> <property name="maxidle" value="20" /> <!-- 连接池最小空闲 --> <property name="minidle" value="1" /> <!-- 获取连接最大等待时间 --> <property name="maxwait" value="60000" /> </bean> <!-- spring和mybatis完美整合，不需要mybatis的配置映射文件 --> <bean id="sqlsessionfactory" class="org.mybatis.spring.sqlsessionfactorybean"> <property name="datasource" ref="datasource" /> <!-- 自动扫描mapping.xml文件 --> <property name="mapperlocations" value="classpath:com/lr/mapper/*.xml"></property> </bean> </beans> |
配置事物的文件
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<?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:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:mvc="http://www.springframework.org/schema/mvc" xsi:schemalocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd"> <!-- (事务管理)transaction manager, use jtatransactionmanager for global tx --> <bean id="transactionmanager" class="org.springframework.jdbc.datasource.datasourcetransactionmanager"> <property name="datasource" ref="datasource" /> </bean> <!-- 配置参与事务的类 --> <aop:config> <aop:pointcut id="allservicemethod" expression="execution(* com.lr.service.*.*(..))"/> <aop:advisor pointcut-ref="allservicemethod" advice-ref="txadvice" /> </aop:config> <!-- 使用声明方式配置事务 --> <tx:advice id="txadvice" transaction-manager="transactionmanager"> <tx:attributes> <tx:method name="*" propagation="required" rollback-for="java.lang.exception"/> </tx:attributes> </tx:advice> </beans> |
配置springmvc.xml文件
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<?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:p="http://www.springframework.org/schema/p" 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-3.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"> <!-- 自动扫描 --> <context:component-scan base-package="com.lr.controller" /> <mvc:annotation-driven /> <mvc:default-servlet-handler/> <!-- 定义跳转的文件的前后缀 ，视图模式配置--> <bean class="org.springframework.web.servlet.view.internalresourceviewresolver"> <property name="prefix" value="/web-inf/jsp/" /> <property name="suffix" value=".jsp" /> </bean> |
好了！！！需要配置的文件已经配置完成了，足够我们进行一波操作了
接下来是后台的一些代码，这里主要是实体类，dao层，service层，controller层，我把后台的文件一起上传了，mapper.xml文件是实现方法最关键的地方
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<?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.lr.dao.iuserdao"> <resultmap id="baseresultmap" type="com.lr.dto.user"> <result column="id" property="id" jdbctype="integer" /> <result column="name" property="name" jdbctype="varchar" /> <result column="password" property="password" jdbctype="varchar" /> <result column="age" property="age" jdbctype="integer" /> </resultmap> <sql id="base_column_list"> id, name, password, age </sql> <!-- 增加用户 --> <insert id="adduser" parametertype="com.lr.dto.user"> insert into user(name,password,age) values(#{name},#{password},#{age}) </insert> <!-- 查询用户--> <select id="querybyprimarykey" resultmap="baseresultmap" parametertype="java.lang.integer"> select <include refid="base_column_list" /> from user where id = #{id} </select> <!-- 删除用户 --> <delete id="deletebyprimarykey" parametertype="java.lang.integer"> delete from user where id = #{id} </delete> <!-- 更新用户 --> <update id="updatebyprimarykey" parametertype="com.lr.dto.user" > update user set name=#{name},password=#{password},age=#{age} where id=#{id} </update> <select id="findalluser" resulttype="com.lr.dto.user"> select * from user </select> </mapper> |
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package com.lr.dao;import java.util.list;import com.lr.dto.user;public interface iuserdao { //查询用户 public user querybyprimarykey(int id); //删除用户 public int deletebyprimarykey(int id); //更新用户 public int updatebyprimarykey(user user); //添加用户 public int adduser(user user); //查询所有用户 public list<user> findalluser();} |
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package com.lr.service;import java.util.list;import com.lr.dto.user;public interface iuserservice { //查询用户 public user getuserbyid(int userid); //删除 public void deleteuser(int id); //更新用户 public void updateuser(user user); //添加用户 public void adduser(user user); //查看所有用户 public list<user> findalluser();} |
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package com.lr.service.impl;import java.util.list;import javax.annotation.resource;import org.springframework.stereotype.service;import com.lr.dao.iuserdao;import com.lr.dto.user;import com.lr.service.iuserservice;@service("userservice")public class userserviceimpl implements iuserservice{ @resource private iuserdao userdao; public iuserdao getuserdao() { return userdao; } public void setuserdao(iuserdao userdao) { this.userdao = userdao; } //查询用户 @override public user getuserbyid(int userid) { return userdao.querybyprimarykey(userid); } //更新用户 @override public void updateuser(user user) { userdao.updatebyprimarykey(user); } //删除用户 @override public void deleteuser(int id) { userdao.deletebyprimarykey(id); } //添加用户 @override public void adduser(user user) { userdao.adduser(user); } //查询所有用户 @override public list<user> findalluser() { return userdao.findalluser(); }} |
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package com.lr.controller;import java.util.list;import javax.servlet.http.httpservletrequest;import org.springframework.beans.factory.annotation.autowired;import org.springframework.stereotype.controller;import org.springframework.ui.model;import org.springframework.web.bind.annotation.requestmapping;import org.springframework.web.bind.annotation.responsebody;import com.lr.dto.user;import com.lr.service.iuserservice;@controllerpublic class usercontroller { @autowired private iuserservice userservice; public iuserservice getuserservice() { return userservice; } public void setuserservice(iuserservice userservice) { this.userservice = userservice; } //主页面 @requestmapping("/") public string usermgr() { return "showuser"; } //添加用户 @requestmapping("/adduser") @responsebody public void useradd(user user) { userservice.adduser(user); } //删除用户 @requestmapping("/deleteuser") @responsebody public void deleteuser(int id){ userservice.deleteuser(id); } //修改用户 @requestmapping("/updateuser") @responsebody public void upadteuser(user user){ userservice.updateuser(user); } //根据id查找用户 @requestmapping("/showuser") @responsebody public user showuser(int id,model model){ return userservice.getuserbyid(id); } //查询所有用户 @requestmapping("/findalluser") @responsebody public list<user> findalluser(){ return userservice.findalluser(); }} |
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<%@ page language="java" import="java.util.*" pageencoding="utf-8"%><!doctype html><html> <head> <meta charset="utf-8"><script type="text/javascript" src="<%= application.getcontextpath() %>/js/jquery-1.12.4.min.js"></script> <script type="text/javascript"> //添加用户 $(function(){ $("#add").on("click", addnewuser); }) function addnewuser(){ var name = $.trim($("#txtname").val()); var password = $.trim($("#txtpassword").val()); var age = $.trim($("#txtage").val()); $.post("/ssm/adduser", {"name": name, "password": password, "age": age}, function(){ alert("添加成功！") }); } //删除用户 $(function(){ $("#delete").on("click",deleteuser); }) function deleteuser(){ var id=$.trim($("#deleteid").val()); $.get("/ssm/deleteuser",{"id":id},function(){ alert("删除成功！") }); } //查询所有用户 $(function(){ $("#findalluser").click(function(){ $.ajax({ type:"post", datatype:"json", url:"/ssm/findalluser", success:function(msg){ var str=""; for(i in msg){ str+="<tr><th>"+msg[i].id+"</th><th>"+msg[i].name+"</th><th>" +msg[i].password+"</th><th>"+msg[i].age+"</th><tr>" } $("#findall").append(str); } }); }); }); //根据id查找一个用户 $(function(){ $("#find").click(function(){ $.ajax({ type:"post", data:{id:$("#findid").val()}, datatype:"json", url:"/ssm/showuser", success:function(user){ var str=""; str+="<tr><th>"+user.id+"</th><th>"+user.name+"</th><th>" +user.password+"</th><th>"+user.age+"</th><tr>" $("#finduserbyid").append(str); } }) }) }) //根据id修改用户信息 $(function(){ $("#update").on("click",updateuser); }) function updateuser(){ alert($.trim($("#updateid").val())) alert($.trim($("#updatename").val())) alert($.trim($("#updatepassword").val())) alert($.trim($("#updateage").val())) var id=$.trim($("#updateid").val()); var name=$.trim($("#updatename").val()); var password=$.trim($("#updatepassword").val()); var age=$.trim($("#updateage").val()); $.post("/ssm/updateuser",{"id":id,"name":name,"password":password,"age":age},function(){ alert("修改成功！") }); } </script> <title>用户管理</title> </head> <body> <div> <p>姓名：<input type="text" id="txtname"></p> <p>密码：<input type="password" id="txtpassword"></p> <p>年龄：<input type="text" id="txtage"></p> <p><button id="add">添加</button></p> </div> <hr style="height:1px;border:none;border-top:1px dashed #0066cc;" /> <div> <p>输入用户id:<input type="text" id="deleteid"></p> <p><button id="delete">删除</button></p> </div> <hr style="height:1px;border:none;border-top:1px dashed #0066cc;" /> <div><p><button id="findalluser">查询所有</button></p></div> <div> <table width="300" border="1" > <thead id="findall"> <tr> <th width="50">id</th> <th width="50">姓名</th> <th width="50">密码</th> <th width="50">年龄</th> </tr> </thead> </table> </div> <hr style="height:1px;border:none;border-top:1px dashed #0066cc;" /> <div> <p>输入用户id:<input type="text" id="findid"></p> <p><button id="find">查询</button></p> </div> <div> <table width="300" border="1" > <thead id="finduserbyid"> <tr> <th width="50">id</th> <th width="50">姓名</th> <th width="50">密码</th> <th width="50">年龄</th> </tr> </thead> </table> </div> <hr style="height:1px;border:none;border-top:1px dashed #0066cc;" /> <div> <p>输入用户id:<input type="text" id="updateid"></p> <p>输入用户姓名:<input type="text" id="updatename"></p> <p>输入密码：<input type="password" id="updatepassword"></p> <p>输入用户年龄:<input type="password" id="updateage"></p> <p><button id="update">修改</button></p> </div> </body></html> |
原文链接：https://www.cnblogs.com/zuidongfeng/p/7903570.html
