在ShoppingCart中添加图书时，SpringBoot应用程序出现问题

y53ybaqx  于 2022-10-23  发布在  Spring
关注(0)|答案(1)|浏览(118)

我的问题是现在看不到我添加的项目，它显示500错误，在数据库中也看不到
这是一个新的获取错误。
(主要是代码修复主要是代码修复)

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2022-10-20 01:07:26.812 ERROR 1976 --- [           main] o.s.boot.SpringApplication               : Application run failed

java.lang.IllegalStateException: Failed to execute CommandLineRunner
    at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:805) ~[spring-boot-2.5.7.jar:2.5.7]
    at org.springframework.boot.SpringApplication.callRunners(SpringApplication.java:786) ~[spring-boot-2.5.7.jar:2.5.7]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:345) ~[spring-boot-2.5.7.jar:2.5.7]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1354) ~[spring-boot-2.5.7.jar:2.5.7]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1343) ~[spring-boot-2.5.7.jar:2.5.7]
    at com.bookstore.BookstoreApplication.main(BookstoreApplication.java:24) ~[classes/:na]
Caused by: org.springframework.dao.InvalidDataAccessApiUsageException: org.hibernate.TransientPropertyValueException: object references an unsaved transient instance - save the transient instance before flushing : com.bookstore.domain.security.UserRole.role -> com.bookstore.domain.security.Role; nested exception is java.lang.IllegalStateException: org.hibernate.TransientPropertyValueException: object references an unsaved transient instance - save the transient instance before flushing : com.bookstore.domain.security.UserRole.role -> com.bookstore.domain.security.Role
    at org.springframework.orm.jpa.EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(EntityManagerFactoryUtils.java:371) ~[spring-orm-5.3.13.jar:5.3.13]
    at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:235) ~[spring-orm-5.3.13.jar:5.3.13]
    at org.springframework.orm.jpa.JpaTransactionManager.doCommit(JpaTransactionManager.java:566) ~[spring-orm-5.3.13.jar:5.3.13]
    at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:743) ~[spring-tx-5.3.13.jar:5.3.13]
    at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:711) ~[spring-tx-5.3.13.jar:5.3.13]
    at org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:654) ~[spring-tx-5.3.13.jar:5.3.13]
    at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:407) ~[spring-tx-5.3.13.jar:5.3.13]
    at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119) ~[spring-tx-5.3.13.jar:5.3.13]
    at org.hibernate.engine.internal.Cascade.cascadeAssociation(Cascade.java:426) ~[hibernate-core-5.4.32.Final.jar:5.4.32.Final]
    at org.hibernate.engine.internal.Cascade.cascadeProperty(Cascade.java:220) ~[hibernate-core-5.4.32.Final.jar:5.4.32.Final]
    at org.hibernate.engine.internal.Cascade.cascade(Cascade.java:153) ~[hibernate-core-5.4.32.Final.jar:5.4.32.Final]
    at org.hibernate.event.internal.AbstractFlushingEventListener.cascadeOnFlush(AbstractFlushingEventListener.java:159) ~[hibernate-core-5.4.32.Final.jar:5.4.32.Final]
    at org.hibernate.event.internal.AbstractFlushingEventListener.prepareEntityFlushes(AbstractFlushingEventListener.java:149) ~[hibernate-core-5.4.32.Final.jar:5.4.32.Final]
    at org.hibernate.event.internal.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:82) ~[hibernate-core-5.4.32.Final.jar:5.4.32.Final]
    at org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:39) ~[hibernate-core-5.4.32.Final.jar:5.4.32.Final]
    at org.hibernate.event.service.internal.EventListenerGroupImpl.fireEventOnEachListener(EventListenerGroupImpl.java:99) ~[hibernate-core-5.4.32.Final.jar:5.4.32.Final]
    at org.hibernate.internal.SessionImpl.doFlush(SessionImpl.java:1362) ~[hibernate-core-5.4.32.Final.jar:5.4.32.Final]
    ... 25 common frames omitted

第二错误消息；

java.lang.IllegalStateException: Failed to execute CommandLineRunner
    at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:805) ~[spring-boot-2.5.7.jar:2.5.7]
    at org.springframework.boot.SpringApplication.callRunners(SpringApplication.java:786) ~[spring-boot-2.5.7.jar:2.5.7]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:345) ~[spring-boot-2.5.7.jar:2.5.7]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1354) ~[spring-boot-2.5.7.jar:2.5.7]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1343) ~[spring-boot-2.5.7.jar:2.5.7]
    at com.bookstore.BookstoreApplication.main(BookstoreApplication.java:32) ~[classes/:na]
Caused by: org.springframework.dao.InvalidDataAccessApiUsageException: Entity must not be null.; nested exception is java.lang.IllegalArgumentException: Entity must not be null.
    at org.springframework.orm.jpa.EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(EntityManagerFactoryUtils.java:374) ~[spring-orm-5.3.13.jar:5.3.13]
    at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:235) ~[spring-orm-5.3.13.jar:5.3.13]
    at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:551) ~[spring-orm-5.3.13.jar:5.3.13]
    at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61) ~[spring-tx-5.3.13.jar:5.3.13]
    at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:242) ~[spring-tx-5.3.13.jar:5.3.13]
    at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152) ~[spring-tx-5.3.13.jar:5.3.13]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.13.jar:5.3.13]
    at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:174) ~[spring-data-jpa-2.5.7.jar:2.5.7]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.13.jar:5.3.13]
    at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97) ~[spring-aop-5.3.13.jar:5.3.13]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.13.jar:5.3.13]
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:215) ~[spring-aop-5.3.13.jar:5.3.13]
    at jdk.proxy2/jdk.proxy2.$Proxy93.save(Unknown Source) ~[na:na]
    at com.bookstore.service.impl.UserServiceImpl.createUser(UserServiceImpl.java:77) ~[classes/:na]
    at com.bookstore.service.impl.UserServiceImpl$$FastClassBySpringCGLIB$$955756f8.invoke(<generated>) ~[classes/:na]
    at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) ~[spring-core-5.3.13.jar:5.3.13]
    at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:783) ~[spring-aop-5.3.13.jar:5.3.13]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) ~[spring-aop-5.3.13.jar:5.3.13]
    at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:753) ~[spring-aop-5.3.13.jar:5.3.13]
    at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123) ~[spring-tx-5.3.13.jar:5.3.13]
    at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:388) ~[spring-tx-5.3.13.jar:5.3.13]
    at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119) ~[spring-tx-5.3.13.jar:5.3.13]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.13.jar:5.3.13]
    at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:753) ~[spring-aop-5.3.13.jar:5.3.13]
    at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:698) ~[spring-aop-5.3.13.jar:5.3.13]
    at com.bookstore.service.impl.UserServiceImpl$$EnhancerBySpringCGLIB$$25c4cf27.createUser(<generated>) ~[classes/:na]
    at com.bookstore.BookstoreApplication.run(BookstoreApplication.java:50) ~[classes/:na]
    at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:802) ~[spring-boot-2.5.7.jar:2.5.7]
    ... 5 common frames omitted
Caused by: java.lang.IllegalArgumentException: Entity must not be null.
    at org.springframework.util.Assert.notNull(Assert.java:201) ~[spring-core-5.3.13.jar:5.3.13]
    at org.springframework.data.jpa.repository.support.SimpleJpaRepository.save(SimpleJpaRepository.java:594) ~[spring-data-jpa-2.5.7.jar:2.5.7]
    at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104) ~[na:na]
    at java.base/java.lang.reflect.Method.invoke(Method.java:578) ~[na:na]
    at org.springframework.data.repository.core.support.RepositoryMethodInvoker$RepositoryFragmentMethodInvoker.lambda$new$0(RepositoryMethodInvoker.java:289) ~[spring-data-commons-2.7.3.jar:2.7.3]
    at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:137) ~[spring-data-commons-2.7.3.jar:2.7.3]
    at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:121) ~[spring-data-commons-2.7.3.jar:2.7.3]
    at org.springframework.data.repository.core.support.RepositoryComposition$RepositoryFragments.invoke(RepositoryComposition.java:530) ~[spring-data-commons-2.7.3.jar:2.7.3]
    at org.springframework.data.repository.core.support.RepositoryComposition.invoke(RepositoryComposition.java:286) ~[spring-data-commons-2.7.3.jar:2.7.3]
    at org.springframework.data.repository.core.support.RepositoryFactorySupport$ImplementationMethodExecutionInterceptor.invoke(RepositoryFactorySupport.java:640) ~[spring-data-commons-2.7.3.jar:2.7.3]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.13.jar:5.3.13]
    at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:164) ~[spring-data-commons-2.7.3.jar:2.7.3]
    at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:139) ~[spring-data-commons-2.7.3.jar:2.7.3]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.13.jar:5.3.13]
    at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123) ~[spring-tx-5.3.13.jar:5.3.13]
    at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:388) ~[spring-tx-5.3.13.jar:5.3.13]
    at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119) ~[spring-tx-5.3.13.jar:5.3.13]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.13.jar:5.3.13]
    at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137) ~[spring-tx-5.3.13.jar:5.3.13]
    ... 27 common frames omitted

ShoppingCart

package com.bookstore.domain;

import java.math.BigDecimal;
import java.util.List;

import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.OneToMany;
import javax.persistence.OneToOne;

import com.fasterxml.jackson.annotation.JsonIgnore;

@Entity
public class ShoppingCart {

    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private Long id;
    private BigDecimal GrandTotal;

    @OneToMany(mappedBy="shoppingCart", cascade=CascadeType.ALL, fetch=FetchType.LAZY)
    @JsonIgnore
    private List<CartItem> cartItemList;

    @OneToOne(cascade = CascadeType.ALL)
    private User user;

    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public BigDecimal getGrandTotal() {
        return GrandTotal;
    }

    public void setGrandTotal(BigDecimal grandTotal) {
        GrandTotal = grandTotal;
    }

    public List<CartItem> getCartItemList() {
        return cartItemList;
    }

    public void setCartItemList(List<CartItem> cartItemList) {
        this.cartItemList = cartItemList;
    }

    public User getUser() {
        return user;
    }

    public void setUser(User user) {
        this.user = user;
    }

}

ShoppingCartServiceImpl

package com.bookstore.service.impl;

import java.math.BigDecimal;
import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.bookstore.domain.CartItem;
import com.bookstore.domain.ShoppingCart;
import com.bookstore.repository.ShoppingCartRepository;
import com.bookstore.service.CartItemService;
import com.bookstore.service.ShoppingCartService;

@Service
public class ShoppingCartServiceImpl implements ShoppingCartService{

    @Autowired
    private CartItemService cartItemService;

    @Autowired
    private ShoppingCartRepository shoppingCartRepository;

    public ShoppingCart updateShoppingCart(ShoppingCart shoppingCart) {
        BigDecimal cartTotal = BigDecimal.ZERO;

        List<CartItem> cartItemList = cartItemService.findByShoppingCart(shoppingCart);

        for (CartItem cartItem : cartItemList) {
            if(cartItem.getBook().getInStockNumber() > 0) {
                cartItemService.updateCartItem(cartItem);
                cartTotal = cartTotal.add(cartItem.getSubtotal());
            }
        }

        shoppingCart.setGrandTotal(cartTotal);

        shoppingCartRepository.save(shoppingCart);

        return shoppingCart;
    }

}

用户

package com.bookstore.domain;

import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.OneToMany;
import javax.persistence.OneToOne;

import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;

import com.bookstore.domain.security.Authority;
import com.bookstore.domain.security.UserRole;
import com.fasterxml.jackson.annotation.JsonIgnore;

@Entity
public class User implements UserDetails{

    @Id
    @GeneratedValue(strategy=GenerationType.AUTO)
    @Column(name="id", nullable = false, updatable = false)
    private Long id;
    private String username;
    private String password;
    private String firstName;
    private String lastName;

    @Column(name="email", nullable = false, updatable = false)
    private String email;
    private String phone;
    private boolean enabled=true;

    @OneToOne(cascade = CascadeType.ALL, mappedBy = "user")
    private ShoppingCart shoppingCart;

    @OneToMany(cascade = CascadeType.ALL, mappedBy = "user")
    private List<UserShipping> userShippingList;

    @OneToMany(cascade = CascadeType.ALL, mappedBy = "user")
    private List<UserPayment> userPaymentList;

    @OneToMany(mappedBy = "user", cascade = CascadeType.ALL, fetch = FetchType.EAGER)
    @JsonIgnore
    private Set<UserRole> userRoles = new HashSet<>();

    public Long getId() {
        return id;
    }
    public void setId(Long id) {
        this.id = id;
    }
    public String getUsername() {
        return username;
    }
    public void setUsername(String username) {
        this.username = username;
    }
    public String getPassword() {
        return password;
    }
    public void setPassword(String password) {
        this.password = password;
    }
    public String getFirstName() {
        return firstName;
    }
    public void setFirstName(String firstName) {
        this.firstName = firstName;
    }
    public String getLastName() {
        return lastName;
    }
    public void setLastName(String lastName) {
        this.lastName = lastName;
    }
    public String getEmail() {
        return email;
    }
    public void setEmail(String email) {
        this.email = email;
    }
    public String getPhone() {
        return phone;
    }
    public void setPhone(String phone) {
        this.phone = phone;
    }

    public void setEnabled(boolean enabled) {
        this.enabled = enabled;
    }
    public Set<UserRole> getUserRoles() {
        return userRoles;
    }
    public void setUserRoles(Set<UserRole> userRoles) {
        this.userRoles = userRoles;
    }

    public List<UserShipping> getUserShippingList() {
        return userShippingList;
    }
    public void setUserShippingList(List<UserShipping> userShippingList) {
        this.userShippingList = userShippingList;
    }
    public List<UserPayment> getUserPaymentList() {
        return userPaymentList;
    }
    public void setUserPaymentList(List<UserPayment> userPaymentList) {
        this.userPaymentList = userPaymentList;
    }

    public ShoppingCart getShoppingCart() {
        return shoppingCart;
    }
    public void setShoppingCart(ShoppingCart shoppingCart) {
        this.shoppingCart = shoppingCart;
    }
    @Override
    public Collection<? extends GrantedAuthority> getAuthorities() {
        Set<GrantedAuthority> authorites = new HashSet<>();
        userRoles.forEach(ur -> authorites.add(new Authority(ur.getRole().getName())));

        return authorites;
    }
    @Override
    public boolean isAccountNonExpired() {
        // TODO Auto-generated method stub
        return true;
    }
    @Override
    public boolean isAccountNonLocked() {
        // TODO Auto-generated method stub
        return true;
    }
    @Override
    public boolean isCredentialsNonExpired() {
        // TODO Auto-generated method stub
        return true;
    }

    @Override
    public boolean isEnabled() {
        return enabled;
    }

}

ShoppingCartController

package com.bookstore.controller;

import java.security.Principal;
import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;

import com.bookstore.domain.Book;
import com.bookstore.domain.CartItem;
import com.bookstore.domain.ShoppingCart;
import com.bookstore.domain.User;
import com.bookstore.service.BookService;
import com.bookstore.service.CartItemService;
import com.bookstore.service.ShoppingCartService;
import com.bookstore.service.UserService;

@Controller
@RequestMapping("/shoppingCart")
public class ShoppingCartController {

    @Autowired
    private UserService userService;

    @Autowired
    private CartItemService cartItemService;

    @Autowired
    private BookService bookService;

    @Autowired
    private ShoppingCartService shoppingCartService;

    @RequestMapping("/cart")
    public String shoppingCart(Model model, Principal principal) {
        User user = userService.findByUsername(principal.getName());
        ShoppingCart shoppingCart = user.getShoppingCart();

        List<CartItem> cartItemList = cartItemService.findByShoppingCart(shoppingCart);

        shoppingCartService.updateShoppingCart(shoppingCart);

        model.addAttribute("cartItemList", cartItemList);
        model.addAttribute("shoppingCart", shoppingCart);

        return "shoppingCart";
    }

    @RequestMapping("/addItem")
    public String addItem(
            @ModelAttribute("book") Book book,
            @ModelAttribute("qty") String qty,
            Model model, Principal principal
            ) {
        User user = userService.findByUsername(principal.getName());
        book = bookService.findOne(book.getId());

        if (Integer.parseInt(qty) > book.getInStockNumber()) {
            model.addAttribute("notEnoughStock", true);
            return "forward:/bookDetail?id="+book.getId();
        }

        CartItem cartItem = cartItemService.addBookToCartItem(book, user, Integer.parseInt(qty));
        model.addAttribute("addBookSuccess", true);

        return "forward:/bookDetail?id="+book.getId();
    }

    @RequestMapping("/updateCartItem")
    public String updateShoppingCart(
            @ModelAttribute("id") Long cartItemId,
            @ModelAttribute("qty") int qty
            ) {
        CartItem cartItem = cartItemService.findById(cartItemId);
        cartItem.setQty(qty);
        cartItemService.updateCartItem(cartItem);

        return "forward:/shoppingCart/cart";
    }

    @RequestMapping("/removeItem")
    public String removeItem(@RequestParam("id") Long id) {
        cartItemService.removeCartItem(cartItemService.findById(id));

        return "forward:/shoppingCart/cart";
    }
}

UserRole(我使用IntellijIDEA，它显示由黑色单词写成的我，这意味着它不使用)getUserID和setUserID是黑色的

package com.bookstore.domain.security;

import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Table;

import com.bookstore.domain.User;

@Entity
@Table(name="user_role")
public class UserRole {

    @Id
    @GeneratedValue(strategy=GenerationType.AUTO)
    private Long userRoleId;

    @ManyToOne(fetch = FetchType.EAGER)
    @JoinColumn(name="user_id")
    private User user;

    @ManyToOne(fetch = FetchType.EAGER)
    @JoinColumn(name="role_id")
    private Role role;

    public UserRole(){}

    public UserRole(User user, Role role) {
        this.user = user;
        this.role = role;
    }

    public Long getUserRoleId() {
        return userRoleId;
    }

    public void setUserRoleId(Long userRoleId) {
        this.userRoleId = userRoleId;
    }

    public User getUser() {
        return user;
    }

    public void setUser(User user) {
        this.user = user;
    }

    public Role getRole() {
        return role;
    }

    public void setRole(Role role) {
        this.role = role;
    }

}
spring-boot

1条答案

按热度按时间
mefy6pfw

mefy6pfw1#

(主要是代码修复主要是代码修复)

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