SSM详细整合步骤

本笔记是在学习狂神说的SpringMVC时创建。

个人博客 ： Dexter

SSM整合步骤

1.环境

• IDEA

• JDK 1.8

• Tomcat 9

• Maven3.6

• Mysql 5.7

数据库环境

创建图书表

CREATE DATABASE `ssmbuild` ;
CREATE TABLE `books` (
  `bookID` int(10) NOT NULL AUTO_INCREMENT COMMENT '书id',
  `bookName` varchar(100) NOT NULL COMMENT '书名',
  `bookCounts` int(11) NOT NULL COMMENT '数量',
  `detail` varchar(200) NOT NULL COMMENT '描述',
  KEY `bookID` (`bookID`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8;

导入数据略......

2.整合开始

1.打开IDEA创建普通Maven项目并添加wed支持

ssm01.png

2.添加相关依赖

 
        
        
            junit
            junit
            4.12
        
        
        
            mysql
            mysql-connector-java
            5.1.47
        
        
        
            com.mchange
            c3p0
            0.9.5.2
        

        
        
            javax.servlet
            servlet-api
            2.5
        
        
            javax.servlet.jsp
            jsp-api
            2.2
        
        
            javax.servlet
            jstl
            1.2
        

        
        
            org.mybatis
            mybatis
            3.5.2
        
        
            org.mybatis
            mybatis-spring
            2.0.2
        

        
        
            org.springframework
            spring-webmvc
            5.1.9.RELEASE
        
        
            org.springframework
            spring-jdbc
            5.1.9.RELEASE
        
        
            org.projectlombok
            lombok
            RELEASE
            compile
        
    

注意：静态资源过滤问题

 
        
            
                src/main/java
                
                    **/*.properties
                    **/*.xml
                
                false
            
            
                src/main/resources
                
                    **/*.properties
                    **/*.xml
                
                false
            
        
    

3.创建基本结构

ssm02.png

ssm03.png

mybatis-config.xml

applicationContext.xml

4. Mybatis层

（1）创建实体类

import lombok.AllArgsConstructor;
import lombok.Data;
import org.springframework.stereotype.Component;

@Data
@AllArgsConstructor
public class Books {

    private int bookID;
    private String bookName;
    private int bookCounts;
    private String detail;

    public Books()
    {

    }
}

（2）创建BookMapper接口

package com.chao.mapper;

import com.chao.pojo.Books;

import java.util.List;


public interface BookMapper {

    //增加一本书
    int addBook(Books book);

    //删除一本书
    int deleteBook(int id);

    //修改一本书
    int updateBook(Books book);

    //查询一本书
    Books queryBookById(int id);

    //查询所有的书
    List queryAllBook();
}

（2）创建BookMapper.xml

    
    
        insert into ssmbuild.books(bookName, bookCounts, detail)
        values(#{bookName},#{bookName},#{detail});
    
    
    
        delete from ssmbuild.books
        where bookID=#{id};
    
    
    
        update ssmbuild.books set bookName=#{bookName},bookCounts=#{bookCounts}
        ,detail=#{detail} where bookID=#{bookID} ;
    
    
    
        select * from ssmbuild.books where bookID=#{bookId};
    
    
    
        select * from ssmbuild.books;
    

（3）数据库外部文件

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/ssmbuild?useSSL=true&useUnicode=true&characterEncoding=utf8
jdbc.username=root
jdbc.password=123456

（4）Mybatis核心文件

5.编写业务层

（1）创建Service接口

package com.chao.Service;

import com.chao.pojo.Books;

import java.util.List;

public interface BookService {

    //增加一本书
    int addBook(Books book);
    //删除一本书
    int deleteBook(int id);
    //修改一本书
    int updateBook(Books book);
    //查询一本书
    Books queryBookById(int id);
    //查询所有的书
    List queryAllBook();
}

（2）编写实现类

package com.chao.Service;

import com.chao.mapper.BookMapper;
import com.chao.pojo.Books;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class BookServiceImpl implements BookService {

    @Autowired
    private BookMapper bookMapper;

    @Override
    public int addBook(Books book) {
        return bookMapper.addBook(book);
    }

    @Override
    public int deleteBook(int id) {
        return bookMapper.deleteBook(id);
    }

    @Override
    public int updateBook(Books book) {
        return bookMapper.updateBook(book);
    }

    @Override
    public Books queryBookById(int id) {
        return bookMapper.queryBookById(id);
    }

    @Override
    public List queryAllBook() {
        return bookMapper.queryAllBook();
    }
}

6.Spring整合

（1）Spring整合Dao层，创建Spring-Dao.xml

（2）Spring整合Service层

（3）Spring整合MVC层

(4)整合controller层

    
    
        DispatcherServlet
        org.springframework.web.servlet.DispatcherServlet
        
            contextConfigLocation
            
            classpath:applicationContext.xml
        
        1
    
    
        DispatcherServlet
        /
    

    
    
        encodingFilter
        
            org.springframework.web.filter.CharacterEncodingFilter
        
        
            encoding
            utf-8
        
    
    
        encodingFilter
        /*
    

    
    
        15
    

5）Spring配置整合文件applicationContext.xml

3.整合结束

下面可以进行视图层的编写！！！