@TestpublicvoidtestUpdateByMap(){Accountaccount=newAccount().setId(7L)// 不生效.setUserName("updateByMap").setAge(24).setBirthday(null);// 注意:这样更新实体类的id是不生效的Map<String, Object> whereCondition = Map.of("id",13)
import com.baomidou.mybatisplus.extension.service.IService; public class UserService { private final IService<User> userService; public void updateUserByCondition(User user) { UpdateWrapper<User> updateWrapper = new UpdateWrapper<>(); updateWrapper.eq("id", user.getId())...
--动态SQL:set更新-->2<updateid="updateByCondition"parameterType="student">3update student4<set>5<iftest="stuName!=null and stuName!=''">6stu_name=#{stuName},7</if>8<iftest="stuBirthdate!=null">9stu_birthdate=#{stuBirthdate},10</if>11<iftest="stuPhone!=null and stuPhone!='...
Mybatis Condition1.2 Download Date Jan 22, 2025 Compatibility Range 243 — 243.* Size 21.27 KB Uploaded by chen tx What’s New — Dependencies defined in plugin.xml For more information seePlugin Compatibility Guide com.intellij.modules.platform ...
Mybatis Condition 1.5 Download DateJan 24, 2025 Compatibility Range 201 — 251.* Size22.07 KB Uploaded bychen tx What’s New — Dependencies defined in plugin.xml For more information see Plugin Compatibility Guide com.intellij.modules.platform com.intellij.modules.lang com.intellij.modules.java ...
LambdaQueryWrapper和LambdaUpdateWrapper:继承自AbstractLambdaWrapper,分别用于Lambda语法的查询和更新条件封装。 三、Wrapper类关系详解 Wrapper:作为所有条件构造器的基类,Wrapper定义了通用的方法,如eq(等于)、ne(不等于)、gt(大于)等,这些方法用于构建SQL条件表达式。
Mybatis批量update修改实例 <sql id="condition4Update"><whereiftest="orgNo != null">ANDorg_no=#{orgNo,jdbcType=VARCHAR}</if><iftest="uid != null">ANDuid=#{uid,jdbcType=VARCHARiftest"productNo != null"ANDproduct_no=#{productNo,jdbcType=VARCHAR}</if></where></sql><!--批量修改-->...
updateUserByCondition(String newName, Integer newAge, Long id) { UpdateWrapper<User> updateWrapper = new UpdateWrapper<>(); updateWrapper.eq("id", id); // 设置更新条件 User user = new User(); user.setName(newName); user.setAge(newAge); return userMapper.update(user, updateWrapper) ...
Packages that use UpdateByConditionSelectiveMapper PackageDescription tk.mybatis.mapper.common Uses of UpdateByConditionSelectiveMapper in tk.mybatis.mapper.common Subinterfaces of UpdateByConditionSelectiveMapper in tk.mybatis.mapper.common Modifier and TypeInterface and Description interface Conditio...
delete & update这两个元素与insert大同小异。看个简单示例即可。Mapper方法:void update(User user); void deleteById(Integer id); 映射文件:<update id="update"> update user set username=#{username}, password=#{password} where id = #{id} </update> <delete id="deleteById"> delete from user ...