Detailed explanation of Maven building SpringMVC+Mybatis project
黄舟
Release： 2017-03-04 09:22:30
Original
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Foreword
I have been relatively free recently, reviewing and building a project. This time I mainly used spring+SpringMVC+Mybatis. The project persistence layer uses Mybatis3, the control layer uses SpringMVC4.1, uses Spring4.1 management controller, the database connection pool uses druid data source, and the database temporarily uses MySQL.结1, database table structure and Maven project structure
The data table is very simple (not the point), as follows:
, see the previous Maven creation (http://www.php. cn/), when creating a Maven Project, select Filter as org.apache.maven.archetypes. After filling in the relevant project coordinates information, the project structure is as follows:
Note: If there is no SRC/main/java, src/test/java, src/test/resources, create these several sources Folder.
2. Modify pom.xml to add the corresponding package dependencies
All used Maven dependencies are posted here, and their corresponding functions are explained above, as follows:
pom.xml
[html] view plain copy
3. Use Generator to automatically generate Mybatis related table information Automatically generate table Model, Mapping, Dao files, please see the article http://www.php .cn/ and import it into the project’s src/main/java package. The UserInfo in the generated Model is as follows:
UserInfo.java（其中List
courseInfos手动添加的）
[java] view plain copy package org.andy.shop.model; import java.util.List; public class UserInfo { private Integer id; private String uname; private Integer unumber; private List courseInfos; public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public String getUname() { return uname; } public void setUname(String uname) { this.uname = uname == null ? null : uname.trim(); } public Integer getUnumber() { return unumber; } public void setUnumber(Integer unumber) { this.unumber = unumber; } public List getCourseInfos() { return courseInfos; } }
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Dao包中的UserInfoMapper.java
[java] view plain copy package org.andy.shop.dao; import java.util.List; import org.andy.shop.model.UserInfo; public interface UserInfoMapper { int deleteByPrimaryKey(Integer id); int insert(UserInfo record); int insertSelective(UserInfo record); UserInfo selectByPrimaryKey(Integer id); int updateByPrimaryKeySelective(UserInfo record); int updateByPrimaryKey(UserInfo record); List selectAll(); }
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mapping 中的配置文件UserInfoMapper.xml
[html] view plain copy id, uname, unumber delete from user_info where id = #{id,jdbcType=INTEGER} insert into user_info (id, uname, unumber ) values (#{id,jdbcType=INTEGER}, #{uname,jdbcType=VARCHAR}, #{unumber,jdbcType=INTEGER} ) insert into user_info id, uname, unumber, #{id,jdbcType=INTEGER}, #{uname,jdbcType=VARCHAR}, #{unumber,jdbcType=INTEGER}, update user_info uname = #{uname,jdbcType=VARCHAR}, unumber = #{unumber,jdbcType=INTEGER}, where id = #{id,jdbcType=INTEGER} update user_info set uname = #{uname,jdbcType=VARCHAR}, unumber = #{unumber,jdbcType=INTEGER} where id = #{id,jdbcType=INTEGER}
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