JPA在不写sql的情况下如何实现模糊查询

SELECT*FROM table_name WHERE BINARY column_name LIKE'%keyword%';

SELECT*FROM table_name WHERE BINARY column1_name LIKE'%keyword1%'AND column2_name LIKE'%keyword2%';

import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import com.tfjybj.dao.UserDao;
import com.tfjybj.utils.SnowflakeIdWorker;
import lombok.Data;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Example;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.stereotype.Service;
import org.springframework.util.ObjectUtils;

import javax.annotation.Resource;
import javax.persistence.*;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

/**
 * @BelongsProject: incentive
 * @BelongsPackage: com.tfjybj.service
 * @Author: Wuzilong
 * @Description: 描述什么人干什么事儿
 * @CreateTime: 2023-08-28 14:48
 * @Version: 1.0
 */
@Table
@Entity
@Service
@Data
public class User implements Specification<User> {

    @Id
    @JsonSerialize(using = com.fasterxml.jackson.databind.ser.std.ToStringSerializer.class)
    private Long id;

    private String account;

    private  String password;

    private String phone;

    private Date createTime;

    private Date updateTime;

    private Integer isDelete;

    @Resource
    @Transient
    private UserDao userDao;

    @Override
    public Predicate toPredicate(Root<User> root, CriteriaQuery<?> criteriaQuery, CriteriaBuilder criteriaBuilder) {
        List<String> nonNullFields = new ArrayList<>();
        Field[] declaredFields = this.getClass().getDeclaredFields();
        for (Field field : declaredFields) {
            field.setAccessible(true);
            try {
                Object value = field.get(this);
                if (value != null) {
                    nonNullFields.add(field.getName());
                }
            } catch (IllegalAccessException e) {
                e.printStackTrace();
            }
        }

        Predicate[] predicates = new Predicate[nonNullFields.size()+1];

        for (int i = 0; i < nonNullFields.size(); i++) {
            try {
                predicates[i] = criteriaBuilder.like(root.get(nonNullFields.get(i)), "%" + this.getClass().getDeclaredField(nonNullFields.get(i)).get(this) + "%");
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        // 添加额外的条件，排除isdelete=1的数据
        predicates[nonNullFields.size()] = criteriaBuilder.notEqual(root.get("isDelete"), 1);

        return criteriaBuilder.and(predicates);
    }
}

@Entity
import com.tfjybj.service.User;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;

import java.util.List;

/**
 * @BelongsProject: incentive
 * @BelongsPackage: com.tfjybj.dao
 * @Author: Wuzilong
 * @Description: 描述什么人干什么事儿
 * @CreateTime: 2023-08-28 14:48
 * @Version: 1.0
 */
@Repository
public interface UserDao extends JpaRepository<User, Long> {

    List<User> findAll(Specification<User> userInfo);
}

@Entity
    public List<User> selectToFuzzy(User userInfo){
        List<User> userInfoList = userDao.findAll(userInfo);
        return userInfoList;
    }

    @RequestMapping(value="selectToFuzzy",method= RequestMethod.POST)
    //模糊查询用户的信息
    public List<User> selectToFuzzy(@RequestBody User userInfo){
        List<User> users = user.selectToFuzzy(userInfo);
        return users;
    }

SELECT e FROM Employee e WHERE e.name LIKE '%John%'

ExampleMatcher matcher = ExampleMatcher.matching().withMatcher("name", match -> match.contains()); Example<Employee> example = Example.of(employee, matcher);

@Query("SELECT e FROM Employee e WHERE e.name LIKE %?1%") List<Employee> findByName(String name);