本文介绍了Spring MVC应用程序语法错误的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我有这个问题:
我用一些新代码解决了问题，制作了 StudentDeleteRepository.java 和 StudentDeleteRepositoryImpl.java 并根据用户的建议添加了标签:
I solved with some new code, making StudentDeleteRepository.java and StudentDeleteRepositoryImpl.java and adding the tags as a user suggested:
@Autowired
private StudentDeleteRepository studentDeleteRepository;
@Transactional
public Student delete(Student student) {
return studentDeleteRepository.save(student);
}
StudentDeleteRepository.java 给出错误:
这是 StudentDeleteRepositoryImpl.java 类:
package com.github.elizabetht.repository;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Query;
import org.springframework.data.repository.query.Param;
import org.springframework.stereotype.Repository;
import com.github.elizabetht.model.Student;
@Repository("studentDeleteRepository")
public interface StudentDeleteRepository extends JpaRepository<Student, Long> {
@Query("delete s from Student s where s.userName = :userName and s.password = :password")
Student deleteByLogin(@Param("userName") String userName, @Param("password") String password);
}
推荐答案
delete from Student s where s.userName = ?1 and s.password = ?2
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