mybatis实现增删改查

public interface UserMapper {

// 表示查询总记录数
public int count() throws Exception;

// 表示查询所有数据
public List<User> findAll() throws Exception;

public List<User> getUserList(User user) throws Exception;

public List<User> getUserListb(User user) throws Exception;

public List<User> getuserListMap(Map<String, String> userMap)
throws Exception;

public List<User> getuserListResult(User user) throws Exception;

public int insertMethod(User user) throws Exception;

   public int deleteMethod(User user) throws Exception;

   public int deletemethod2(@Param("id1")Integer delId) throws Exception;

   public int updateUserName(@Param("id")Integer id,@Param("userName")String username) throws Exception;

   public List<User> getUserByID(@Param("userRole")Integer id) throws Exception;

   public List<User> getAddressListById(@Param("id")Integer userId) throws Exception;

   public List<User> getUserListByNameById(@Param("userName")String userName,@Param("userRole")Integer roleId) throws Exception;

   public List<User> getUserByRoleId_foreach_array(List<Integer> roleIds) throws Exception;

   public List<User> getUserByMap_foreach_map(Map<String,Object> map) throws Exception;

   public List<User> getUserList_choose(@Param("userName")String userName,
                                       @Param("userRole")Integer roleId,
                                       @Param("userCode")String userCode,
                                       @Param("creationDate")Date creationDate
           ) throws Exception;

}

<?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.cn.mapper.UserMapper">

   <select id="getUserList_choose" resultType="user">

       select * from smbms_user where 1=1
       <choose>

           <when test="userName != null and userName != ''">

               and userName like concat('%',#{userName},'%')

           </when>

           <when test="userCode != null and userCode != ''">

               and userCode like concat('%',#{userCode},'%')

           </when>

           <when test="userRole != null">

               and userRole=#{userRole}

           </when>

           <otherwise>

               
               and YEAR(creationDate) = YEAR(#{creationDate})

           </otherwise>

       </choose>

   </select>

   <select id="getUserByMap_foreach_map" resultMap="userMapByRole">

       select * from smbms_user where gender=1 and userRole in
       <foreach collection="rkey" item="roleMap" open="(" separator="," close=")">

           #{roleMap}

       </foreach>

   </select>

   <resultMap id="userMapByRole" type="user">

       <id property="id" column="id"/>
       <result property="userCode" column="userCode"/>
       <result property="userName" column="userName"/>

   </resultMap>
   <select id="getUserByRoleId_foreach_array" resultMap="userMapByRole">

       
       select * from smbms_user where userRole in
           <foreach collection="list" item="roleIds" open="(" separator="," close=")" >

               #{roleIds}

           </foreach>


   </select>



   <resultMap id="getUserMapSJ" type="user">

</resultMap>
   
   <select id="getUserListByNameById" resultType="user">

select * from smbms_user
       
       <trim prefix="where" prefixOverrides="and|or">

userName like concat('%',#{userName},'%')

</if>
<if test="userRole!=null">

and userRole = #{userRole}

</if>

</trim>

</select>

       select u.*,r.id,r.contact,r.addressDesc,r.postCode,r.tel from smbms_user
       u,smbms_address r
       where u.id = r.userId and u.id=#{id}

</select>

select u.*,r.id,r.roleCode,r.roleName from smbms_user u,smbms_role
r where u.userRole = #{userRole} and r.id = u.userRole

</select>

update smbms_user
       <trim prefix="set" suffixOverrides="," suffix="where id=#{id}">

<if test="userName!=null">userName=#{userName},</if>

</trim>

</update>

delete from smbms_user where id=#{id1}

</delete>

delete from smbms_user where id=#{id}

</delete>

insert into smbms_user(userCode,userName,userPassword)
VALUES(#{userCode},#{userName},#{userPassword})

</insert>

<resultMap type="user" id="userList">
       <result property="id" column="id" />
       <result property="userCode" column="userCode" />
       <result property="userName" column="userName" />
       <result property="phone" column="phone" />
       <result property="birthday" column="birthday" />
       
       <result property="userRole" column="userRole" />
       <result property="userRoleName" column="roleName" />
   </resultMap>
   
   <select id="getuserListResult" parameterType="user" resultMap="userList">
       
       select u.*,r.roleName from smbms_user u,smbms_role r where u.userName
       like CONCAT('%',#{userName},'%') and u.userRole = #{userRole} and
       u.userRole = r.id
   </select>
   
   <select id="getuserListMap" parameterType="Map" resultType="user">
       
       select * from smbms_user where userName like
       CONCAT('%',#{userName},'%') and userRole=#{userRole}
   </select>
   
   <select id="getUserListb" parameterType="user" resultType="user">
       
       select * from smbms_user where userName like
       CONCAT('%',#{userName},'%') and userRole=#{userRole}
   </select>
   
   <select id="getUserList" parameterType="user" resultType="user">

select * from smbms_user where userName like
       CONCAT('%',#{userName},'%')

</select>
   
   <select id="count" resultType="int">
       
       select count(*) from smbms_user
   </select>

<select id="findAll" resultType="user">
       
       select * from smbms_user
   </select>
</mapper>

public class Address {

   private Integer id;

   private String postCode;

   private String addressDesc;

   private String contact;

   private String tel;

   private Integer createBy;

   private Date creationDate;

   private Integer modifyBy;

   private Date modifyDate;

   private Integer userId;

   public Integer getId() {
       return id;
   }

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

   public String getPostCode() {
       return postCode;
   }

   public void setPostCode(String postCode) {
       this.postCode = postCode;
   }

   public String getAddressDesc() {
       return addressDesc;
   }

   public void setAddressDesc(String addressDesc) {
       this.addressDesc = addressDesc;
   }

   public String getContact() {
       return contact;
   }

   public void setContact(String contact) {
       this.contact = contact;
   }

   public String getTel() {
       return tel;
   }

   public void setTel(String tel) {
       this.tel = tel;
   }

   public Integer getCreateBy() {
       return createBy;
   }

   public void setCreateBy(Integer createBy) {
       this.createBy = createBy;
   }

   public Date getCreationDate() {
       return creationDate;
   }

   public void setCreationDate(Date creationDate) {
       this.creationDate = creationDate;
   }

   public Integer getModifyBy() {
       return modifyBy;
   }

   public void setModifyBy(Integer modifyBy) {
       this.modifyBy = modifyBy;
   }

   public Date getModifyDate() {
       return modifyDate;
   }

   public void setModifyDate(Date modifyDate) {
       this.modifyDate = modifyDate;
   }

   public Integer getUserId() {
       return userId;
   }

   public void setUserId(Integer userId) {
       this.userId = userId;
   }



}

public class Role {

   private Integer id;

   private String roleCode;

   private String roleName;

   public Integer getId() {
       return id;
   }

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

   public String getRoleCode() {
       return roleCode;
   }

   public void setRoleCode(String roleCode) {
       this.roleCode = roleCode;
   }

   public String getRoleName() {
       return roleName;
   }

   public void setRoleName(String roleName) {
       this.roleName = roleName;
   }




}

public class User {

//   id
   private Integer id;
//   用户编码
   private String userCode;
//   用户账号
   private String userName;
//   用户密码
   private String userPassword;
//   出生日期
   private Date birthday;
//   电话
   private String phone;
//   地址
   private String address;
//   用户角色
   private String userRole;
//   创建者
   private Integer createBy;
//   创建时间
   private Date creationDate;
//   更新者
   private Integer modifyBy;
//   更新时间
   private Date modifyDate;

   private String userRoleName;

   private Role role;

   private List<Address> addressList;

   public List<Address> getAddressList() {
       return addressList;
   }
   public void setAddressList(List<Address> addressList) {
       this.addressList = addressList;
   }
   public Role getRole() {
       return role;
   }
   public void setRole(Role role) {
       this.role = role;
   }
   public String getUserRoleName() {
       return userRoleName;
   }
   public void setUserRoleName(String userRoleName) {
       this.userRoleName = userRoleName;
   }
   public User() {
       super();
       // TODO Auto-generated constructor stub
   }
   public User(Integer id, String userCode, String userName,
           String userPassword, Date birthday, String phone, String address,
           String userRole, Integer createBy, Date creationDate,
           Integer modifyBy, Date modifyDate) {
       super();
       this.id = id;
       this.userCode = userCode;
       this.userName = userName;
       this.userPassword = userPassword;
       this.birthday = birthday;
       this.phone = phone;
       this.address = address;
       this.userRole = userRole;
       this.createBy = createBy;
       this.creationDate = creationDate;
       this.modifyBy = modifyBy;
       this.modifyDate = modifyDate;
   }
   public Integer getId() {
       return id;
   }
   public void setId(Integer id) {
       this.id = id;
   }
   public String getUserCode() {
       return userCode;
   }
   public void setUserCode(String userCode) {
       this.userCode = userCode;
   }
   public String getUserName() {
       return userName;
   }
   public void setUserName(String userName) {
       this.userName = userName;
   }
   public String getUserPassword() {
       return userPassword;
   }
   public void setUserPassword(String userPassword) {
       this.userPassword = userPassword;
   }
   public Date getBirthday() {
       return birthday;
   }
   public void setBirthday(Date birthday) {
       this.birthday = birthday;
   }
   public String getPhone() {
       return phone;
   }
   public void setPhone(String phone) {
       this.phone = phone;
   }
   public String getAddress() {
       return address;
   }
   public void setAddress(String address) {
       this.address = address;
   }
   public String getUserRole() {
       return userRole;
   }
   public void setUserRole(String userRole) {
       this.userRole = userRole;
   }
   public Integer getCreateBy() {
       return createBy;
   }
   public void setCreateBy(Integer createBy) {
       this.createBy = createBy;
   }
   public Date getCreationDate() {
       return creationDate;
   }
   public void setCreationDate(Date creationDate) {
       this.creationDate = creationDate;
   }
   public Integer getModifyBy() {
       return modifyBy;
   }
   public void setModifyBy(Integer modifyBy) {
       this.modifyBy = modifyBy;
   }
   public Date getModifyDate() {
       return modifyDate;
   }
   public void setModifyDate(Date modifyDate) {
       this.modifyDate = modifyDate;
   }











}

public class MybatisUtil {


   private static SqlSessionFactory factory;

//   静态代码块
   static{
       try {
           InputStream is = Resources.getResourceAsStream("mybatis-config.xml");
           factory = new SqlSessionFactoryBuilder().build(is);
       } catch (IOException e) {
           // TODO Auto-generated catch block
           e.printStackTrace();
       }
   }

   public static SqlSession createSqlSession(){

//       factory.openSession()相当于返回了一个sqlsession对象
       return factory.openSession(false); // 表示事物提交 false表示不自动提交 true表示自动提交

   }

   public static void closeSqlSession(SqlSession sqlSession){
       if(sqlSession != null){
           sqlSession.close();
       }
   }

}

配置文件中的信息

driver=com.mysql.jdbc.Driver
url=jdbc:mysql://?zeroDateTimeBehavior=convertToNull
username=root
password=123456

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
   
   <properties resource="databases.properties">

</properties>
   <settings>
       
       <setting name="autoMappingBehavior" value="FULL" />
       <setting name="cacheEnabled" value="true" />
       <setting name="logImpl" value="log4j" />
   </settings>
   <typeAliases>

<package name="com.bdqn.cn.user" />

</typeAliases>

sj_xiaojianjian

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mybatis实现增删改查

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