检测一下以下的xml是否符合oracle规范,有没有错误<select id="selectInvoiceFlowDetailAndRelationByOriginalAccountLineNumber" parameterType="com.baiwang.docmanagement.model.dto.DocInvoiceFlowDetailDataDto" resultMap="invoiceDetailAndRelationMap"> SELECT detail.id, detail.parent_id, detail.account_line_number , relation.invoice_no , relation.invoice_code FROM ( SELECT id , account_line_number, parent_id FROM doc_invoice_flow_detail_data WHERE tenant_id = #{invoiceFlowDetail.tenantId,jdbcType=BIGINT} AND account_line_number IN <foreach close=")" collection="invoiceFlowDetail.accountLineNumberList" item="item" open="(" separator=","> #{item} </foreach> ) detail LEFT JOIN( SELECT invoice_no , invoice_code , flow_detail_id FROM doc_invoice_flow_relation_detail_data WHERE tenant_id = #{invoiceFlowDe2tail.tenantId,jdbcType=} ) relation ON detail.id = relation.flow_detail_id </select>

Mybatis框架 mapper.xml文件中parameterType传递参数常用的几种方式.pdf

<select id="queryUser" parameterType="java.util.Map" resultMap="BaseResultMap"> select * from user where user_name = #{userName} and pass_word = #{passWord} </select> 4. 使用JavaBean传参： ...

Mybatis在Mapper.xml文件中的转义字符处理方式.pdf

然而，在XML中直接使用一些特殊字符，比如大于（>）、小于（<）、等于（=）、单引号（'）和双引号（"）等，可能会导致XML解析错误，因为这些字符在XML文档中有特定的含义。为了解决这个问题，Mybatis提供了一些处理...

<select id="getDistinctPin1" resultType="String" parameterType="com.example.pmp.pojo.dto.sense.senseDataDto"> SELECT [FAI_26_1_Value] AS pin1 FROM [MESDataCenter].[dbo].[m_D8X_Main_Line3_01_M8_t] <include refid="distinctQuery"/> </select> <select id="getDistinctPin2" resultType="String" parameterType="com.example.pmp.pojo.dto.sense.senseDataDto"> SELECT [FAI_26_2_Value] AS pin2 FROM [MESDataCenter].[dbo].[m_D8X_Main_Line3_01_M8_t] <include refid="distinctQuery"/> </select> <select id="getDistinctPin3" resultType="String" parameterType="com.example.pmp.pojo.dto.sense.senseDataDto"> SELECT [FAI_26_3_Value] AS pin3 FROM [MESDataCenter].[dbo].[m_D8X_Main_Line3_01_M8_t] <include refid="distinctQuery"/> </select>优化mapper.xml中的这些代码

<select id="getDistinctPin1" resultType="String" parameterType="com.example.pmp.pojo.dto.sense.senseDataDto"> <include refid="distinctQuery"> <property name="column" value="FAI_26_1_Value"/> </...

解释代码<?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.synu.sx.demo.mapper.StudentMapper"> <select id="list" parameterType="java.util.Map" resultType="com.synu.sx.demo.entity.Student"> select * from student <where> <if test="param.id != null and param.id != ''"> id = #{param.id} </if> </where> </select> <select id="listQuery" parameterType="java.util.Map" resultType="com.synu.sx.demo.entity.Student"> select * from student <where> <if test="param.name != null and param.name != ''"> and name like concat('%', #{param.name} ,'%') </if> <if test="param.id != null and param.id != ''"> and id like concat('%', #{param.id} ,'%') </if> </where> limit #{param.start}, #{param.limit} </select> <select id="listQueryCount" parameterType="java.util.Map" resultType="java.lang.Integer"> select count(*) from student <where> <if test="param.name != null and param.name != ''"> and name like concat('%', #{param.name} ,'%') </if> <if test="param.id != null and param.id != ''"> and id like concat('%', #{param.id} ,'%') </if> </where> </select> </mapper>

这段代码是一个XML文件，通常用于配置MyBatis框架中的SQL映射。它描述了一个名为StudentMapper的映射器，其中定义了三个查询语句。第一个查询语句的id是"list"，使用了一个名为param的Map类型参数，并将结果映射到...

<?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.de.debook.mapper.CategoryMapper"> <resultMap id="BaseResultMap" type="com.de.debook.entity.Category"> <id column="id" jdbcType="INTEGER" property="id"/> <result column="name" jdbcType="VARCHAR" property="name"/> </resultMap> <resultMap id="StatisticsResultMap" type="com.de.debook.entity.Statistics"> <result column="name" jdbcType="VARCHAR" property="name"/> <result column="value" jdbcType="VARCHAR" property="value"/> </resultMap> <sql id="Base_Column_List"> id, name </sql> <select id="selectByPrimaryKey" parameterType="java.lang.Integer" resultMap="BaseResultMap"> select <include refid="Base_Column_List"/> from category where id = #{id,jdbcType=INTEGER} </select> <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer"> delete from category where id = #{id,jdbcType=INTEGER} </delete> <insert id="insert" parameterType="com.de.debook.entity.Category"> insert into category (id, name) values (#{id,jdbcType=INTEGER}, #{name,jdbcType=VARCHAR}) </insert> <insert id="insertSelective" parameterType="com.de.debook.entity.Category"> insert into category <trim prefix="(" suffix=")" suffixOverrides=","> <if test="id != null"> id, </if> <if test="name != null"> name, </if> </trim> <trim prefix="values (" suffix=")" suffixOverrides=","> <if test="id != null"> #{id,jdbcType=INTEGER}, </if> <if test="name != null"> #{name,jdbcType=VARCHAR}, </if> </trim> </insert> <update id="updateByPrimaryKeySelective" parameterType="com.de.debook.entity.Category"> update category <set> <if test="name != null"> name = #{name,jdbcType=VARCHAR}, </if> </set> where id = #{id,jdbcType=INTEGER} </update> <update id="updateByPrimaryKey" parameterType="com.de.debook.entity.Category"> update category set name = #{name,jdbcType=VARCHAR} where id = #{id,jdbcType=INTEGER} </update> <select id="selectAll" resultMap="BaseResultMap"> select <include refid="Base_Column_List"/> from category order by id asc </select> <select id="selectStatistics" resultMap="StatisticsResultMap"> SELECT t1.name as name, COUNT(*) as value FROM category t1, debook t2 WHERE t1.id = t2.category_id GROUP BY t1.id order by t1.id asc </select> </mapper>

这是一个 MyBatis 的 Mapper 文件，用于映射实体类 Category 到数据库表 category。其中包括了一些 SQL 语句，如 selectByPrimaryKey、...最后还定义了两个 select 语句，用于查询所有分类和分类的统计信息。

根据下面的配置信息，写出Classes，Teacher和Student这三个POJO的全部代码。<mapper namespace="com.lcb.mapping.userMapper"> <l--association—对—关联查询--> <select id="getClass" parameterType="int" resultMap="ClassesResultMap">select * from class c,teacher t where c.teacher_id=t.t_id and c.c_id=#{id} <select> <resultMap type="com.lcb.user.Classes" id="ClassesResultMap"><l--实体类的字段名和数据表的字段名映射--> <id property="id" column="c_id"/> <result property="name" column="c_name"/><association property="teacher" javaType="com.Icb.user.Teacher"><id property="id" column="t_id" l> <result property="name" column="t_name"/></association> </resultMap> <l--collection—对多关联查询--> <select id="getClass2" parameterType="int"resultMap="ClassesResultMap2"> select * from class c,teacher t,student s where c.teacher_id=t.t_idand c.c_id=s.class_id and c.c_id=#{ id} <select> <resultMap type="com.lcb.user.Classes" id="ClassesResultMap2"><id property=""id" column="c_id"/> <result property="name" column="c_name"/><association property="teacher" javaType="com.Icb.user.Teacher"><id property="id" column="t_id"l> <result property="name" column="t_name"/></association> <collection property="student" ofType="com.Icb.user.Student"><id property="id" column="s_id"/> cresult property="name" column="s_name"/></collection> </resultMap></mapper>

private int id; private int teacherId; private String name; private Teacher teacher; //Getter and Setter } Teacher POJO代码： public class Teacher { private int id; private String name; ...

下面代码中的user是什么？在IDEA环境下，如何创造这样一个“user”？代码：<?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE mapperPUBLIC "-//mybatis.org//DTD Mapper 3.0//EN""http://mybatis.org/dtd/mybatis-3-mapper.dtd"><mapper namespace="com.example.demo.mapper.UserMapper"> <resultMap id="userMap" type="com.example.demo.entity.User"> <id column="id" property="id"/> <result column="name" property="name"/> <result column="age" property="age"/> <result column="gender" property="gender"/> </resultMap> <select id="selectById" resultMap="userMap"> select * from user where id = #{id} </select> <select id="selectAll" resultMap="userMap"> select * from user </select> <insert id="insert" parameterType="com.example.demo.entity.User"> insert into user(name, age, gender) values(#{name}, #{age}, #{gender}) </insert> <update id="update" parameterType="com.example.demo.entity.User"> update user set name = #{name}, age = #{age}, gender = #{gender} where id = #{id} </update> <delete id="deleteById"> delete from user where id = #{id} </delete></mapper>

在这个XML文件中，"user"是一个数据库表的实体类，包含了id、name、age、gender等字段。这里的"user"并不是IDEA环境下创建的对象，而是代表了数据库表的实体类，需要在Java代码中创建对应的实体类。在IDEA环境下...

<?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.mapper.sapper"> <delete id="deleteSp"> delete from sp where no=#{No}; </delete> <delete id="deleteUser"> delete from user where userzh=#{zh}; </delete> <select id="selectAll" resultType="com.pojo.sp"> select * from sp; </select> <select id="selectbyid" resultType="com.pojo.sp"> select * from sp where no=#{id} order by no desc; </select> <insert id="insertbyzh"> insert into user(userzh,usermima) values (#{userzh},#{usermima}); </insert> <insert id="insertsp"> insert into sp(spname,spnum,spprice,images) values (#{spname},#{spnum},#{spprice},#{images}) </insert> <update id="updated" parameterType="com.pojo.sp"> update sp set spnum=#{spnum} where no=#{NO}; </update> <update id="updatedAll" parameterType="com.pojo.sp"> update sp set spname=#{spname},spnum=#{spnum},spprice=#{spprice} where NO=#{NO} </update> <select id="selectbyname" resultType="com.pojo.user"> select usermima,userzh from user where userzh=#{userzh}; </select> <select id="selectall" resultType="com.pojo.user"> select * from user; </select> </mapper>

其中包含了删除、插入、更新和查询操作，分别用于删除商品、删除用户、查询所有商品、根据商品ID查询商品、根据用户账号查询用户、查询所有用户、插入用户和插入商品等操作。该 mapper 文件对应的命名空间为 ...

解释一下这段代码：<?xml version = "1.0" encoding = "UTF-8"?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD com.example.Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd"> <mapper namespace="com.example.demo.mapper.UserMapper"> <resultMap id="result" type="com.example.demo.entity.User"> <result property="userId" column="userId" /> <result property="userDate" column="userDate" /> <result property="userName" column="userName" /> <result property="userAddress" column="userAddress"/> </resultMap> <select id="ListUser" resultMap="result"> SELECT * FROM user </select> <select id="findUserByName" resultMap="result" parameterType="String"> SELECT * FROM user where userName like concat(concat('%',#{userName}),'%') order by userId desc </select> <select id="queryPage" resultMap="result" parameterType="Integer"> select * from user order by userId desc limit #{startRows},5 </select> <select id="getRowCount" resultType="Integer"> select count(*) from user </select> <insert id="insertUser" parameterType="com.example.demo.entity.User"> INSERT INTO user ( userId,userDate,userName,userAddress ) VALUES ( #{userId}, #{userDate, jdbcType=VARCHAR}, #{userName, jdbcType=VARCHAR}, #{userAddress, jdbcType=VARCHAR} ) </insert> <delete id="delete" parameterType="int"> delete from user where userId=#{userId} </delete> <update id="Update" parameterType="com.example.demo.entity.User"> update user set user.userDate=#{userDate},user.userName=#{userName},user.userAddress=# {userAddress} where user.userId=#{userId} </update> </mapper>

- <select>：定义了一个查询语句，用于从数据库中获取数据。其中id为"ListUser"，resultMap为"result"，表示将查询结果映射到上面定义的resultMap中。 - <insert>：定义了一个插入语句，用于向数据库中插入数据。...

<?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.phonemarket.mapper.BannerMapper"> <resultMap type="Banner" id="BaseResultMap"> <id property="bannerId" column="banner_id" /> <result property="bannerName" column="banner_name" /> <result property="bannerUrl" column="banner_url" /> <result property="bannerImg" column="banner_img" /> <result property="bannerState" column="banner_state" /> </resultMap> <insert id="addBanner" parameterType="Banner"> insert into banner(banner_name,banner_url,banner_img) values(#{bannerName},#{bannerUrl},#{bannerImg}) </insert> <update id="deleteBanner" parameterType="java.lang.Integer"> update banner set banner_state=-1 where banner_id=#{id} </update> <update id="changeBannerState" parameterType="java.lang.Integer"> update banner set banner_state=#{0} where banner_id=#{1} </update> <update id="updateBanner" parameterType="Banner"> update banner <set> <if test="bannerName!=null"> banner_name=#{bannerName}, </if> <if test="bannerUrl!=null"> banner_url=#{bannerUrl}, </if> <if test="bannerImg!=null"> banner_img=#{bannerImg} </if> </set> where banner_id=#{bannerId} </update> <select id="findBannerById" parameterType="java.lang.Integer" resultMap="BaseResultMap"> select * from banner where banner_id=#{id} </select> <select id="findAllBanner" resultMap="BaseResultMap"> select * from banner where banner_state > 0 </select> <select id="findAllBannerByLikeName" parameterType="java.lang.String" resultMap="BaseResultMap"> select * from banner where banner_state > 0 and banner_name like '%${value}%' </select> <select id="findAllShowBanner" resultMap="BaseResultMap"> select * from banner where banner_state=1 </select> </mapper>

这是一个 MyBatis 的 XML 配置文件，用于映射 Banner 对象和 banner 数据库表之间的关系。文件中定义了一个 namespace 为 com.phonemarket.mapper.BannerMapper 的 Mapper，并包含了一些 SQL 语句，如插入、删除、...

<select id="getListByJcdh" resultType="com.tjdata.irmr.inspect.api.model.rsp.AdminInspertionTaskMainInfoRsp" parameterType="java.lang.String"> 解读

<select> 标签表示这是一个查询语句，id 属性为 "getListByJcdh"，表示这是这个 SQL 语句的唯一标识符，可以在 Java 代码中调用这个标识符来执行这个 SQL 语句。 resultType 属性指定了这个 SQL 语句的返回值类型，...

<mapper namespace="com.kangxg.mapper.UserMapper"> <select id="findUserWithOrders" parameterType = "Integer" resultMap="UserWithOrdersResult"> select u.*,o.id as orders_id,o.number from tb_user u,tb_orders o where u.id = o.user_id and u.id = #{id} </select> <resultMap type="com.kangxg.po.User" id="UserWithOrdersResult"> <id property = "id" column = "id"/> <result property = "username" column = "username"/> <result property = "address" column = "address"/> <collection property = "com.kangxg.po.ordersList" ofType = "Orders"> <id property ="id" column ="orders_id"/> <result property ="number" column = "number"/> </collection> </resultMap> </mapper> 对以上代码进行优化改错

<select id="findUserWithOrders" parameterType="Integer" resultMap="UserWithOrdersResult"> SELECT u.*, o.id AS orders_id, o.number FROM tb_user u, tb_orders o WHERE u.id = o.user_id AND u.id = #{...

<select id="queryByProjectNo" parameterType="com.hzw.platform.domain.HzwProject" resultMap="ProjectDataResult">

其中，queryByProjectNo是这个查询语句的标识符，com.hzw.platform.domain.HzwProject是查询语句的参数类型，ProjectDataResult是查询结果的映射类型。具体的查询逻辑和返回结果可以在ProjectDataResult中...

<?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="org.pojo.UesrinfoMapper"> <select id="froUser" parameterType="Integer" resultType="org.pojo.Uesrinfo"> select * from uesrinfo </select> <insert id="intoUser" parameterType="org.pojo.Uesrinfo"> insert into uesrinfo(username,password,boo) values (#{username},#{password},#{boo}) </insert> <update id="updtUser" parameterType="org.pojo.Uesrinfo"> update uesrinfo set username=#{username},password=#{password},boo=#{boo} where id=#{id} </update> <delete id="deltUser" parameterType="Integer"> delete from uesrinfo where order=#{id} </delete> </mapper>

请检查你的代码中是否有拼写错误，应该修改为正确的 Mapper 文件路径：<mapper namespace="org.pojo.UesrinfoMapper">。同时，你的 SQL 语句中的表名也有一个拼写错误，uesrinfo 应该是 userinfo。修改后的 ...

<update id="delete" parameterType="com.anan.entity.pojo.LiabilitiesSpecifics"> update liabilities_specifics set state =0 <where> <if test="query.id!=null"> id = #{query.id}, </if> <if test="query.liabilitiesId!=null"> and liabilities_id = #{query.liabilitiesId}, </if> </where> </update>

这段代码是一个 MyBatis 的 XML 配置文件中的一个 update 语句，用于更新 "liabilities_specifics" 表中的数据。根据传入的条件进行更新操作。其中，<if> 标签用于判断传入的参数是否为空，如果不为空则将对应的...

<select id="getDicListByYwlx" parameterType="java.lang.String" resultType="org.dcits.domain.entity.common.DictionaryEntity">

1. <select id="getDicListByYwlx"：定义这是一条 select 语句，并且给它起了一个 ID（getDicListByYwlx）。 2. parameterType="java.lang.String"：声明传入的参数类型为 String。 3. resultType="org.dcits...

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<update id="delete" parameterType="com.anan.entity.pojo.LiabilitiesSpecifics"> update liabilities_specifics set state =0 <where> <if test="query.id!=null"> id = #{query.id}, </if> <if test="query.liabilitiesId!=null"> and liabilities_id = #{query.liabilitiesId}, </if> </where> </update>

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