模糊查询（通过真实测试例子来查询）

 

 

 

实体类

---

@Data

public class UserInfo {

    private String name;

}

---

 mapper层

---

@Mapper

public interface UserInfoMapper {

    List<UserInfo> byName(String name);

}

---

mapper.xml(resources目录下)

---

<?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.example.informationmanagement.mapper.UserInfoMapper">

    <resultMap type="com.example.informationmanagement.bean.UserInfo" id="userResultMap">

    </resultMap>

    <!-- 通过名字进行模糊查询   -->

    <select id="byName" resultMap="userResultMap">

        select *

        from basplu

        where name like '%' + #{name} + '%'

    </select>

</mapper>

---

service层

---

@Service

public class UserInfoService {

    @Autowired

    public UserInfoMapper userInfoMapper;

    //通过名字进行模糊查询

    public List<UserInfo> byName(String name) {

        return userInfoMapper.byName(name);

    }

}

---

controller层

---

@RestController

public class UserInfoController {

    @Autowired

    public UserInfoService userInfoService;

    @RequestMapping(value = "/byName")

    public List<Map> byName(String name) {

        List<UserInfo> listUserInfo = userInfoService.byName(name);

        List<Map> mapList = new ArrayList<>();

        if (listUserInfo.size() > 0) {

            for (UserInfo list : listUserInfo) {

                Map<String, Object> resultMap = new HashMap<>();

                resultMap.put("name", list.getName());

                mapList.add(resultMap);

            }

        }

        return mapList;

    }

}

---

application.properties(resources目录下)

---

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.4.5</version>
        <relativePath/>
    </parent>
    <groupId>com.example</groupId>
    <artifactId>informationmanagement</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>informationmanagement</name>
    <description>Demo project for Spring Boot</description>
    <properties>
        <java.version>1.8</java.version>
    </properties>
    <dependencies>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-jdbc</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>2.1.4</version>
        </dependency>

        <dependency>
            <groupId>com.microsoft.sqlserver</groupId>
            <artifactId>mssql-jdbc</artifactId>
            <scope>runtime</scope>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
        </dependency>

        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.6</version>
        </dependency>

        <dependency>
            <groupId>com.aliyun</groupId>
            <artifactId>dingtalk</artifactId>
            <version>1.1.47</version>
        </dependency>

        <dependency>
            <groupId>com.dingtalk</groupId>
            <artifactId>dingtalk-api-sdk</artifactId>
            <version>1.0.0-SNAPSHOT</version>
            <scope>system</scope>
            <systemPath>${pom.basedir}/lib/taobao-sdk-java-auto_1479188381469-20210207.jar</systemPath>
        </dependency>

    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <version>2.3.5.RELEASE</version>
            </plugin>
        </plugins>
    </build>

</project>