admin管理员组文章数量:1616691
实训日志(二)
后台
NotFoundException
package net.hgh.blog;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.ResponseStatus;
@ResponseStatus(HttpStatus.NOT_FOUND)
public class NotFoundException extends RuntimeException{
public NotFoundException() {
}
public NotFoundException(String message) {
super(message);
}
public NotFoundException(String message,Throwable cause) {
super(cause);
}
}
aspect/LogAspect
package net.hgh.blog.aspect;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import javax.servlet.http.HttpServletRequest;
import java.util.Arrays;
@Aspect
@Component
public class LogAspect {
private final Logger logger = LoggerFactory.getLogger(this.getClass());
@Pointcut("execution(* net.hgh.blog.*.*(..))")
public void log() {}
@Before("log()")
public void doBefore(JoinPoint joinPoint) {
ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
HttpServletRequest request = attributes.getRequest();
String url = request.getRequestURL().toString();
String ip = request.getRemoteAddr();
String classMethod = joinPoint.getSignature().getDeclaringTypeName() + "." + joinPoint.getSignature().getName();
Object[] args = joinPoint.getArgs();
RequestLog requestLog = new RequestLog(url, ip, classMethod, args);
logger.info("Request : {}", requestLog);
}
@After("log()")
public void doAfter() {
// logger.info("--------doAfter--------");
}
@AfterReturning(returning = "result",pointcut = "log()")
public void doAfterRuturn(Object result) {
logger.info("Result : {}", result);
}
private class RequestLog {
private String url;
private String ip;
private String classMethod;
private Object[] args;
public RequestLog(String url, String ip, String classMethod, Object[] args) {
this.url = url;
this.ip = ip;
this.classMethod = classMethod;
this.args = args;
}
@Override
public String toString() {
return "{" +
"url='" + url + '\'' +
", ip='" + ip + '\'' +
", classMethod='" + classMethod + '\'' +
", args=" + Arrays.toString(args) +
'}';
}
}
}
dao/BlogRepository
package net.hgh.blog.dao;
import net.hgh.blog.po.Blog;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
import org.springframework.data.jpa.repository.Modifying;
import org.springframework.data.jpa.repository.Query;
import org.springframework.transaction.annotation.Transactional;
import java.util.List;
public interface BlogRepository extends JpaRepository<Blog, Long>, JpaSpecificationExecutor<Blog> {
@Query("select b from Blog b where b.recommend = true")
List<Blog> findTop(Pageable pageable);
@Query("select b from Blog b where b.title like ?1 or b.content like ?1")
Page<Blog> findByQuery(String query,Pageable pageable);
}
dao/TagRepository
package net.hgh.blog.dao;
import net.hgh.blog.po.Tag;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Query;
import java.util.List;
public interface TagRepository extends JpaRepository<Tag,Long> {
Tag findByName(String name);
@Query("select t from Tag t")
List<Tag> findTop(Pageable pageable);
}
dao/TypeRepository
package net.hgh.blog.dao;
import net.hgh.blog.po.Type;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Query;
import java.util.List;
public interface TypeRepository extends JpaRepository<Type,Long> {
Type findByName(String name);
@Query("select t from Type t")
List<Type> findTop(Pageable pageable);
}
dao/UserRepository
package net.hgh.blog.dao;
import net.hgh.blog.po.User;
import org.springframework.data.jpa.repository.JpaRepository;
public interface UserRepository extends JpaRepository<User,Long> {
User findByUsernameAndPassword(String username, String password);
}
handler/ControllerExceptionHandler
package net.hgh.blog.handler;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.servlet.ModelAndView;
import javax.servlet.http.HttpServletRequest;
@ControllerAdvice
public class ControllerExceptionHandler {
private final Logger logger = (Logger) LoggerFactory.getLogger(this.getClass());
@ExceptionHandler(Exception.class)
public ModelAndView exceptionHander(HttpServletRequest request, Exception e) throws Exception{
logger.error("Request URL : {}, Exception : {}",request.getRequestURL(),e);
if (AnnotationUtils.findAnnotation(e.getClass(), ResponseStatus.class) != null){
throw e;
}
ModelAndView mv = new ModelAndView();
mv.addObject("url",request.getRequestURL());
mv.addObject("exception",e);
mv.setViewName("error/error");
return mv;
}
}
interceptor/LoginInterceptor
package net.hgh.blog.interceptor;
import org.springframework.web.servlet.HandlerInterceptor;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class LoginInterceptor implements HandlerInterceptor {
@Override
public boolean preHandle(HttpServletRequest request,
HttpServletResponse response,
Object handler) throws Exception {
if (request.getSession().getAttribute("user") == null) {
response.sendRedirect("/admin");
return false;
}
return true;
}
}
interceptor/WebConfig
package net.hgh.blog.interceptor;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
@Configuration
public class WebConfig implements WebMvcConfigurer {
@Override
public void addInterceptors(InterceptorRegistry registry) {
registry.addInterceptor(new LoginInterceptor())
.addPathPatterns("/admin/**")
.excludePathPatterns("/admin")
.excludePathPatterns("/admin/login");
}
}
po/Blog
package net.hgh.blog.po;
import javax.persistence.*;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
@Entity
@Table(name = "t_blog")
public class Blog {
@Id
@GeneratedValue
private Long id;
private String title;
@Basic(fetch = FetchType.LAZY)
@Lob
private String content;
private String firstPicture;
private String flag;
private Integer views;
private boolean appreciation;
private boolean shareStatement;
private boolean commentabled;
private boolean published;
private boolean recommend;
@Temporal(TemporalType.TIMESTAMP)
private Date createTime;
@Temporal(TemporalType.TIMESTAMP)
private Date updateTime;
@ManyToOne
private Type type;
@ManyToMany(cascade = {CascadeType.PERSIST})
private List<Tag> tags = new ArrayList<>();
@ManyToOne
private User user;
@OneToMany(mappedBy = "blog")
private List<Comment> comments = new ArrayList<>();
@Transient
private String tagIds;
private String description;
public Blog() {
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getContent() {
return content;
}
public void setContent(String content) {
this.content = content;
}
public String getFirstPicture() {
return firstPicture;
}
public void setFirstPicture(String firstPicture) {
this.firstPicture = firstPicture;
}
public String getFlag() {
return flag;
}
public void setFlag(String flag) {
this.flag = flag;
}
public Integer getViews() {
return views;
}
public void setViews(Integer views) {
this.views = views;
}
public boolean isAppreciation() {
return appreciation;
}
public void setAppreciation(boolean appreciation) {
this.appreciation = appreciation;
}
public boolean isShareStatement() {
return shareStatement;
}
public void setShareStatement(boolean shareStatement) {
this.shareStatement = shareStatement;
}
public boolean isCommentabled() {
return commentabled;
}
public void setCommentabled(boolean commentabled) {
this.commentabled = commentabled;
}
public boolean isPublished() {
return published;
}
public void setPublished(boolean published) {
this.published = published;
}
public boolean isRecommend() {
return recommend;
}
public void setRecommend(boolean recommend) {
this.recommend = recommend;
}
public Date getCreateTime() {
return createTime;
}
public void setCreateTime(Date createTime) {
this.createTime = createTime;
}
public Date getUpdateTime() {
return updateTime;
}
public void setUpdateTime(Date updateTime) {
this.updateTime = updateTime;
}
public Type getType() {
return type;
}
public void setType(Type type) {
this.type = type;
}
public List<Tag> getTags() {
return tags;
}
public void setTags(List<Tag> tags) {
this.tags = tags;
}
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
public List<Comment> getComments() {
return comments;
}
public void setComments(List<Comment> comments) {
this.comments = comments;
}
public String getTagIds() {
return tagIds;
}
public void setTagIds(String tagIds) {
this.tagIds = tagIds;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public void init() {
this.tagIds = tagsToIds(this.getTags());
}
//1,2,3
private String tagsToIds(List<Tag> tags) {
if (!tags.isEmpty()) {
StringBuffer ids = new StringBuffer();
boolean flag = false;
for (Tag tag : tags) {
if (flag) {
ids.append(",");
} else {
flag = true;
}
ids.append(tag.getId());
}
return ids.toString();
} else {
return tagIds;
}
}
@Override
public String toString() {
return "Blog{" +
"id=" + id +
", title='" + title + '\'' +
", content='" + content + '\'' +
", firstPicture='" + firstPicture + '\'' +
", flag='" + flag + '\'' +
", views=" + views +
", appreciation=" + appreciation +
", shareStatement=" + shareStatement +
", commentabled=" + commentabled +
", published=" + published +
", recommend=" + recommend +
", createTime=" + createTime +
", updateTime=" + updateTime +
", type=" + type +
", tags=" + tags +
", user=" + user +
", comments=" + comments +
", tagIds='" + tagIds + '\'' +
", description='" + description + '\'' +
'}';
}
}
po/Comment
package net.hgh.blog.po;
import javax.persistence.*;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
@Entity
@Table(name = "t_comment")
public class Comment {
@Id
@GeneratedValue
private Long id;
private String nickname;
private String email;
private String content;
private String avatar;
@Temporal(TemporalType.TIMESTAMP)
private Date createTime;
@ManyToOne
private Blog blog;
@OneToMany(mappedBy = "parentComment")
private List<Comment> replyComments = new ArrayList<>();
@ManyToOne
private Comment parentComment;
public Comment() {
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getNickname() {
return nickname;
}
public void setNickname(String nickname) {
this.nickname = nickname;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getContent() {
return content;
}
public void setContent(String content) {
this.content = content;
}
public String getAvatar() {
return avatar;
}
public void setAvatar(String avatar) {
this.avatar = avatar;
}
public Date getCreateTime() {
return createTime;
}
public void setCreateTime(Date createTime) {
this.createTime = createTime;
}
public Blog getBlog() {
return blog;
}
public void setBlog(Blog blog) {
this.blog = blog;
}
public List<Comment> getReplyComments() {
return replyComments;
}
public void setReplyComments(List<Comment> replyComments) {
this.replyComments = replyComments;
}
public Comment getParentComment() {
return parentComment;
}
public void setParentComment(Comment parentComment) {
this.parentComment = parentComment;
}
@Override
public String toString() {
return "Comment{" +
"id=" + id +
", nickname='" + nickname + '\'' +
", email='" + email + '\'' +
", content='" + content + '\'' +
", avatar='" + avatar + '\'' +
", createTime=" + createTime +
", blog=" + blog +
", replyComments=" + replyComments +
", parentComment=" + parentComment +
'}';
}
}
po/Tag
package net.hgh.blog.po;
import javax.persistence.*;
import java.util.ArrayList;
import java.util.List;
@Entity
@Table(name = "t_tag")
public class Tag {
@Id
@GeneratedValue
private Long id;
private String name;
@ManyToMany(mappedBy = "tags")
private List<Blog> blogs = new ArrayList<>();
public Tag() {
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public List<Blog> getBlogs() {
return blogs;
}
public void setBlogs(List<Blog> blogs) {
this.blogs = blogs;
}
@Override
public String toString() {
return "Tag{" +
"id=" + id +
", name='" + name + '\'' +
'}';
}
}
po/Type
package net.hgh.blog.po;
import javax.persistence.*;
import java.util.ArrayList;
import java.util.List;
@Entity
@Table(name = "t_type")
public class Type {
@Id
@GeneratedValue
private Long id;
private String name;
@OneToMany(mappedBy = "type")
private List<Blog> blogs = new ArrayList<>();
public Type() {
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public List<Blog> getBlogs() {
return blogs;
}
public void setBlogs(List<Blog> blogs) {
this.blogs = blogs;
}
@Override
public String toString() {
return "Type{" +
"id=" + id +
", name='" + name + '\'' +
'}';
}
}
po/User
package net.hgh.blog.po;
import javax.persistence.*;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
@Entity
@Table(name = "t_user")
public class User {
@Id
@GeneratedValue
private Long id;
private String nickname;
private String username;
private String password;
private String email;
private String avatar;
private Integer type;
@Temporal(TemporalType.TIMESTAMP)
private Date createTime;
@Temporal(TemporalType.TIMESTAMP)
private Date updateTime;
@OneToMany(mappedBy = "user")
private List<Blog> blogs = new ArrayList<>();
public User() {
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getNickname() {
return nickname;
}
public void setNickname(String nickname) {
this.nickname = nickname;
}
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 getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getAvatar() {
return avatar;
}
public void setAvatar(String avatar) {
this.avatar = avatar;
}
public Integer getType() {
return type;
}
public void setType(Integer type) {
this.type = type;
}
public Date getCreateTime() {
return createTime;
}
public void setCreateTime(Date createTime) {
this.createTime = createTime;
}
public Date getUpdateTime() {
return updateTime;
}
public void setUpdateTime(Date updateTime) {
this.updateTime = updateTime;
}
public List<Blog> getBlogs() {
return blogs;
}
public void setBlogs(List<Blog> blogs) {
this.blogs = blogs;
}
@Override
public String toString() {
return "User{" +
"id=" + id +
", nickname='" + nickname + '\'' +
", username='" + username + '\'' +
", password='" + password + '\'' +
", email='" + email + '\'' +
", avatar='" + avatar + '\'' +
", type=" + type +
", createTime=" + createTime +
", updateTime=" + updateTime +
'}';
}
}
service/BlogService
package net.hgh.blog.service;
import net.hgh.blog.po.Blog;
import net.hgh.blog.vo.BlogQuery;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import java.util.List;
import java.util.Map;
public interface BlogService {
Blog getBlog(Long id);
Page<Blog> listBlog(Pageable pageable,BlogQuery blog);
Page<Blog> listBlog(Long tagId,Pageable pageable);
Page<Blog> listBlog(Pageable pageable);
Page<Blog> listBlog(String query,Pageable pageable);
List<Blog> listRecommendBlogTop(Integer size);
Blog saveBlog(Blog blog);
Blog updateBlog(Long id,Blog blog);
void deleteBlog(Long id);
}
service/ TagService
package net.hgh.blog.service;
import net.hgh.blog.po.Tag;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import java.util.List;
public interface TagService {
Tag saveTag(Tag type);
Tag getTag(Long id);
Tag getTagByName(String name);
Page<Tag> listTag(Pageable pageable);
List<Tag> listTag();
List<Tag> listTagTop(Integer size);
List<Tag> listTag(String ids);
Tag updateTag(Long id, Tag type);
void deleteTag(Long id);
}
service/ TypeService
package net.hgh.blog.service;
import net.hgh.blog.po.Type;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import java.util.List;
public interface TypeService {
Type saveType(Type type);
Type getType(Long id);
Type getTypeByName(String name);
Page<Type> listType(Pageable pageable);
List<Type> listType();
List<Type> listTypeTop(Integer size);
Type updateType(Long id,Type type);
void deleteType(Long id);
}
service/ UserService
package net.hgh.blog.service;
import net.hgh.blog.po.User;
public interface UserService {
User checkUser(String username, String password);
}
service/ BlogServiceImpl
package net.hgh.blog.service;
import net.hgh.blog.NotFoundException;
import net.hgh.blog.dao.BlogRepository;
import net.hgh.blog.po.Blog;
import net.hgh.blog.po.Type;
import net.hgh.blog.util.MyBeanUtils;
import net.hgh.blog.vo.BlogQuery;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.*;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import javax.persistence.criteria.*;
import java.util.*;
@Service
public class BlogServiceImpl implements BlogService {
@Autowired
private BlogRepository blogRepository;
@Override
public Blog getBlog(Long id) {
return blogRepository.getById(id);
}
@Override
public Page<Blog> listBlog(Pageable pageable, BlogQuery blog) {
return blogRepository.findAll(new Specification<Blog>() {
@Override
public Predicate toPredicate(Root<Blog> root, CriteriaQuery<?> cq, CriteriaBuilder cb) {
List<Predicate> predicates = new ArrayList<>();
if (!"".equals(blog.getTitle()) && blog.getTitle() != null) {
predicates.add(cb.like(root.<String>get("title"), "%"+blog.getTitle()+"%"));
}
if (blog.getTypeId() != null) {
predicates.add(cb.equal(root.<Type>get("type").get("id"), blog.getTypeId()));
}
if (blog.isRecommend()) {
predicates.add(cb.equal(root.<Boolean>get("recommend"), blog.isRecommend()));
}
cq.where(predicates.toArray(new Predicate[predicates.size()]));
return null;
}
},pageable);
}
@Override
public Page<Blog> listBlog(Pageable pageable) {
return blogRepository.findAll(pageable);
}
@Override
public Page<Blog> listBlog(Long tagId, Pageable pageable) {
return blogRepository.findAll(new Specification<Blog>() {
@Override
public Predicate toPredicate(Root<Blog> root, CriteriaQuery<?> cq, CriteriaBuilder cb) {
Join join = root.join("tags");
return cb.equal(join.get("id"),tagId);
}
},pageable);
}
@Override
public Page<Blog> listBlog(String query, Pageable pageable) {
return blogRepository.findByQuery(query,pageable);
}
@Override
public List<Blog> listRecommendBlogTop(Integer size) {
Sort sort = Sort.by(Sort.Direction.DESC,"updateTime");
Pageable pageable = PageRequest.of(0, size, sort);
return blogRepository.findTop(pageable);
}
@Transactional
@Override
public Blog saveBlog(Blog blog) {
if (blog.getId() == null) {
blog.setCreateTime(new Date());
blog.setUpdateTime(new Date());
blog.setViews(0);
} else {
blog.setUpdateTime(new Date());
}
return blogRepository.save(blog);
}
@Transactional
@Override
public Blog updateBlog(Long id, Blog blog) {
Blog b = blogRepository.getById(id);
if (b == null) {
throw new NotFoundException("该博客不存在");
}
BeanUtils.copyProperties(blog,b, MyBeanUtils.getNullPropertyNames(blog));
b.setUpdateTime(new Date());
return blogRepository.save(b);
}
@Transactional
@Override
public void deleteBlog(Long id) {
blogRepository.deleteById(id);
}
}
service/ TagServiceImpl
package net.hgh.blog.service;
import net.hgh.blog.NotFoundException;
import net.hgh.blog.dao.TagRepository;
import net.hgh.blog.po.Tag;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.ArrayList;
import java.util.List;
@Service
public class TagServiceImpl implements TagService {
@Autowired
private TagRepository tagRepository;
@Transactional
@Override
public Tag saveTag(Tag tag) {
return tagRepository.save(tag);
}
@Transactional
@Override
public Tag getTag(Long id) {
return tagRepository.findById(id).get();
}
@Override
public Tag getTagByName(String name) {
return tagRepository.findByName(name);
}
@Transactional
@Override
public Page<Tag> listTag(Pageable pageable) {
return tagRepository.findAll(pageable);
}
@Override
public List<Tag> listTag() {
return tagRepository.findAll();
}
@Override
public List<Tag> listTagTop(Integer size) {
Sort sort =Sort.by(Sort.Direction.DESC, "blogs.size");
Pageable pageable =PageRequest.of(0, size, sort);
return tagRepository.findTop(pageable);
}
@Override
public List<Tag> listTag(String ids) { //1,2,3
return tagRepository.findAllById(convertToList(ids));
}
private List<Long> convertToList(String ids) {
List<Long> list = new ArrayList<>();
if (!"".equals(ids) && ids != null) {
String[] idarray = ids.split(",");
for (int i=0; i < idarray.length;i++) {
list.add(new Long(idarray[i]));
}
}
return list;
}
@Transactional
@Override
public Tag updateTag(Long id, Tag tag) {
Tag t = tagRepository.findById(id).get();
if (t == null) {
throw new NotFoundException("不存在该标签");
}
BeanUtils.copyProperties(tag,t);
return tagRepository.save(t);
}
@Transactional
@Override
public void deleteTag(Long id) {
tagRepository.deleteById(id);
}
}
service/ TypeServiceImpl
package net.hgh.blog.service;
import net.hgh.blog.NotFoundException;
import net.hgh.blog.dao.TypeRepository;
import net.hgh.blog.po.Type;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.List;
@Service
public class TypeServiceImpl implements TypeService {
@Autowired
private TypeRepository typeRepository;
@Transactional
@Override
public Type saveType(Type type) {
return typeRepository.save(type);
}
@Transactional
@Override
public Type getType(Long id) {
return typeRepository.findById(id).get();
}
@Override
public Type getTypeByName(String name) {
return typeRepository.findByName(name);
}
@Transactional
@Override
public Page<Type> listType(Pageable pageable) {
return typeRepository.findAll(pageable);
}
@Override
public List<Type> listType() {
return typeRepository.findAll();
}
@Override
public List<Type> listTypeTop(Integer size) {
Sort sort = Sort.by(Sort.Direction.DESC,"blogs.size");
Pageable pageable = PageRequest.of(0,size,sort);
return typeRepository.findTop(pageable);
}
@Transactional
@Override
public Type updateType(Long id, Type type) {
Type t = typeRepository.findById(id).get();
if (t == null) {
throw new NotFoundException("不存在该类型");
}
BeanUtils.copyProperties(type,t);
return typeRepository.save(t);
}
@Transactional
@Override
public void deleteType(Long id) {
typeRepository.deleteById(id);
}
}
service/ UserServiceImpl
package net.hgh.blog.service;
import net.hgh.blog.dao.UserRepository;
import net.hgh.blog.po.User;
import org.apache.commons.codec.digest.DigestUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
@Service
public class UserServiceImpl implements UserService {
@Autowired
private UserRepository userRepository;
//哈希256加密
public static String sha256Encode(String input) {
return DigestUtils.sha256Hex(input.getBytes());
}
@Override
public User checkUser(String username, String password) {
return userRepository.findByUsernameAndPassword(username, sha256Encode(password));
}
}
util/MybeanUtils
blog
.idea
log
src
main
java
blog
aspect
dao
handler
interceptor
po
service
util
MyBeanUtils
vo
web
BlogApplication
NotFoundException
resources
test
target
blog.iml
pom.xml
vo/BlogQuery
package net.hgh.blog.vo;
public class BlogQuery {
private String title;
private Long typeId;
private boolean recommend;
public BlogQuery() {
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public Long getTypeId() {
return typeId;
}
public void setTypeId(Long typeId) {
this.typeId = typeId;
}
public boolean isRecommend() {
return recommend;
}
public void setRecommend(boolean recommend) {
this.recommend = recommend;
}
}
web/admin/BlogController
package net.hgh.blog.web.admin;
import net.hgh.blog.po.Blog;
import net.hgh.blog.po.User;
import net.hgh.blog.service.BlogService;
import net.hgh.blog.service.TagService;
import net.hgh.blog.service.TypeService;
import net.hgh.blog.vo.BlogQuery;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.web.PageableDefault;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;
import javax.servlet.http.HttpSession;
@Controller
@RequestMapping("/admin")
public class BlogController {
private static final String INPUT = "admin/blogs-input";
private static final String LIST = "admin/blogs";
private static final String REDIRECT_LIST = "redirect:/admin/blogs";
@Autowired
private BlogService blogService;
@Autowired
private TypeService typeService;
@Autowired
private TagService tagService;
@GetMapping("/blogs")
public String blogs(@PageableDefault(size = 8, sort = {"updateTime"}, direction = Sort.Direction.DESC) Pageable pageable,
BlogQuery blog, Model model) {
model.addAttribute("types", typeService.listType());
model.addAttribute("page", blogService.listBlog(pageable, blog));
return LIST;
}
@PostMapping("/blogs/search")
public String search(@PageableDefault(size = 8, sort = {"updateTime"}, direction = Sort.Direction.DESC) Pageable pageable,
BlogQuery blog, Model model) {
model.addAttribute("page", blogService.listBlog(pageable, blog));
return "admin/blogs :: blogList";
}
@GetMapping("/blogs/input")
public String input(Model model) {
setTypeAndTag(model);
model.addAttribute("blog", new Blog());
return INPUT;
}
private void setTypeAndTag(Model model) {
model.addAttribute("types", typeService.listType());
model.addAttribute("tags", tagService.listTag());
}
@GetMapping("/blogs/{id}/input")
public String editInput(@PathVariable Long id, Model model) {
setTypeAndTag(model);
Blog blog = blogService.getBlog(id);
blog.init();
model.addAttribute("blog",blog);
return INPUT;
}
@PostMapping("/blogs")
public String post(Blog blog, RedirectAttributes attributes, HttpSession session) {
blog.setUser((User) session.getAttribute("user"));
blog.setType(typeService.getType(blog.getType().getId()));
blog.setTags(tagService.listTag(blog.getTagIds()));
Blog b;
if (blog.getId() == null) {
b = blogService.saveBlog(blog);
} else {
b = blogService.updateBlog(blog.getId(), blog);
}
if (b == null ) {
attributes.addFlashAttribute("message", "操作失败");
} else {
attributes.addFlashAttribute("message", "操作成功");
}
return REDIRECT_LIST;
}
@GetMapping("/blogs/{id}/delete")
public String delete(@PathVariable Long id,RedirectAttributes attributes) {
blogService.deleteBlog(id);
attributes.addFlashAttribute("message", "删除成功");
return REDIRECT_LIST;
}
}
web/admin/LoginCotroller
package net.hgh.blog.web.admin;
import net.hgh.blog.po.User;
import net.hgh.blog.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;
import javax.servlet.http.HttpSession;
@Controller
@RequestMapping("/admin")
public class LoginController {
@Autowired
private UserService userService;
@GetMapping
public String loginPage() {
return "admin/login";
}
@PostMapping("/login")
public String login(@RequestParam String username,
@RequestParam String password,
HttpSession session,
RedirectAttributes attributes) {
User user = userService.checkUser(username, password);
if (user != null) {
user.setPassword(null);
session.setAttribute("user",user);
return "admin/index";
} else {
attributes.addFlashAttribute("message", "用户名和密码错误");
return "redirect:/admin";
}
}
@GetMapping("/logout")
public String logout(HttpSession session) {
session.removeAttribute("user");
return "redirect:/admin";
}
}
web/admin/TagController
package net.hgh.blog.web.admin;
import net.hgh.blog.po.Tag;
import net.hgh.blog.service.TagService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.web.PageableDefault;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;
import javax.validation.Valid;
@Controller
@RequestMapping("/admin")
public class TagController {
@Autowired
private TagService tagService;
@GetMapping("/tags")
public String tags(@PageableDefault(size = 3,sort = {"id"},direction = Sort.Direction.DESC)
Pageable pageable, Model model) {
model.addAttribute("page",tagService.listTag(pageable));
return "admin/tags";
}
@GetMapping("/tags/input")
public String input(Model model) {
model.addAttribute("tag", new Tag());
return "admin/tags-input";
}
@GetMapping("/tags/{id}/input")
public String editInput(@PathVariable Long id, Model model) {
model.addAttribute("tag", tagService.getTag(id));
return "admin/tags-input";
}
@PostMapping("/tags")
public String post(@Valid Tag tag, BindingResult result, RedirectAttributes attributes) {
Tag tag1 = tagService.getTagByName(tag.getName());
if (tag1 != null) {
result.rejectValue("name","nameError","不能添加重复的分类");
}
if (result.hasErrors()) {
return "admin/tags-input";
}
Tag t = tagService.saveTag(tag);
if (t == null ) {
attributes.addFlashAttribute("message", "新增失败");
} else {
attributes.addFlashAttribute("message", "新增成功");
}
return "redirect:/admin/tags";
}
@PostMapping("/tags/{id}")
public String editPost(@Valid Tag tag, BindingResult result,@PathVariable Long id, RedirectAttributes attributes) {
Tag tag1 = tagService.getTagByName(tag.getName());
if (tag1 != null) {
result.rejectValue("name","nameError","不能添加重复的分类");
}
if (result.hasErrors()) {
return "admin/tags-input";
}
Tag t = tagService.updateTag(id,tag);
if (t == null ) {
attributes.addFlashAttribute("message", "更新失败");
} else {
attributes.addFlashAttribute("message", "更新成功");
}
return "redirect:/admin/tags";
}
@GetMapping("/tags/{id}/delete")
public String delete(@PathVariable Long id,RedirectAttributes attributes) {
tagService.deleteTag(id);
attributes.addFlashAttribute("message", "删除成功");
return "redirect:/admin/tags";
}
}
web/admin/TypeController
package net.hgh.blog.web.admin;
import net.hgh.blog.po.Type;
import net.hgh.blog.service.TypeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.web.PageableDefault;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;
import javax.validation.Valid;
@Controller
@RequestMapping("/admin")
public class TypeController {
@Autowired
private TypeService typeService;
@GetMapping("/types")
public String types(@PageableDefault(size = 3,sort = {"id"},direction = Sort.Direction.DESC)
Pageable pageable, Model model) {
model.addAttribute("page",typeService.listType(pageable));
return "admin/types";
}
@GetMapping("/types/input")
public String input(Model model) {
model.addAttribute("type", new Type());
return "admin/types-input";
}
@GetMapping("/types/{id}/input")
public String editInput(@PathVariable Long id, Model model) {
model.addAttribute("type", typeService.getType(id));
return "admin/types-input";
}
@PostMapping("/types")
public String post(@Valid Type type, BindingResult result, RedirectAttributes attributes) {
Type type1 = typeService.getTypeByName(type.getName());
if (type1 != null) {
result.rejectValue("name","nameError","不能添加重复的分类");
}
if (result.hasErrors()) {
return "admin/types-input";
}
Type t = typeService.saveType(type);
if (t == null ) {
attributes.addFlashAttribute("message", "新增失败");
} else {
attributes.addFlashAttribute("message", "新增成功");
}
return "redirect:/admin/types";
}
@PostMapping("/types/{id}")
public String editPost(@Valid Type type, BindingResult result,@PathVariable Long id, RedirectAttributes attributes) {
Type type1 = typeService.getTypeByName(type.getName());
if (type1 != null) {
result.rejectValue("name","nameError","不能添加重复的分类");
}
if (result.hasErrors()) {
return "admin/types-input";
}
Type t = typeService.updateType(id,type);
if (t == null ) {
attributes.addFlashAttribute("message", "更新失败");
} else {
attributes.addFlashAttribute("message", "更新成功");
}
return "redirect:/admin/types";
}
@GetMapping("/types/{id}/delete")
public String delete(@PathVariable Long id,RedirectAttributes attributes) {
typeService.deleteType(id);
attributes.addFlashAttribute("message", "删除成功");
return "redirect:/admin/types";
}
}
web/AboutShowController
package net.hgh.blog.web;
import net.hgh.blog.service.BlogService;
import net.hgh.blog.service.TagService;
import net.hgh.blog.service.TypeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.web.PageableDefault;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
public class AboutShowController {
@Autowired
private BlogService blogService;
@Autowired
private TypeService typeService;
@Autowired
private TagService tagService;
@GetMapping("/")
public String index(@PageableDefault(size = 8, sort = {"updateTime"}, direction = Sort.Direction.DESC) Pageable pageable,
Model model) {
model.addAttribute("page",blogService.listBlog(pageable));
model.addAttribute("types", typeService.listTypeTop(6));
model.addAttribute("tags", tagService.listTagTop(10));
model.addAttribute("recommendBlogs", blogService.listRecommendBlogTop(8));
return "index";
}
@PostMapping("/search")
public String search(@PageableDefault(size = 8, sort = {"updateTime"}, direction = Sort.Direction.DESC) Pageable pageable,
@RequestParam String query, Model model) {
model.addAttribute("page", blogService.listBlog("%"+query+"%", pageable));
model.addAttribute("query", query);
return "search";
}
@GetMapping("/footer/newblog")
public String newblogs(Model model) {
model.addAttribute("newblogs", blogService.listRecommendBlogTop(3));
return "_fragments :: newblogList";
}
}
web/IndexController
package net.hgh.blog.web;
import net.hgh.blog.service.BlogService;
import net.hgh.blog.service.TagService;
import net.hgh.blog.service.TypeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.web.PageableDefault;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
@Controller
public class IndexControllor {
@Autowired
private BlogService blogService;
@Autowired
private TypeService typeService;
@Autowired
private TagService tagService;
@GetMapping("/")
public String index(@PageableDefault(size = 8, sort = {"updateTime"}, direction = Sort.Direction.DESC) Pageable pageable,
Model model) {
model.addAttribute("page",blogService.listBlog(pageable));
model.addAttribute("types", typeService.listTypeTop(6));
model.addAttribute("tags", tagService.listTagTop(10));
model.addAttribute("recommendBlogs", blogService.listRecommendBlogTop(8));
return "index";
}
@PostMapping("/search")
public String search(@PageableDefault(size = 8, sort = {"updateTime"}, direction = Sort.Direction.DESC) Pageable pageable,
@RequestParam String query, Model model) {
model.addAttribute("page", blogService.listBlog("%"+query+"%", pageable));
model.addAttribute("query", query);
return "search";
}
@GetMapping("/footer/newblog")
public String newblogs(Model model) {
model.addAttribute("newblogs", blogService.listRecommendBlogTop(3));
return "_fragments :: newblogList";
}
}
web/TagController
package net.hgh.blog.web;
import net.hgh.blog.po.Tag;
import net.hgh.blog.service.BlogService;
import net.hgh.blog.service.TagService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.web.PageableDefault;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import java.util.List;
@Controller
public class TagShowController {
@Autowired
private TagService tagService;
@Autowired
private BlogService blogService;
@GetMapping("/tags/{id}")
public String tags(@PageableDefault(size = 8, sort = {"updateTime"}, direction = Sort.Direction.DESC) Pageable pageable,
@PathVariable Long id, Model model) {
List<Tag> tags = tagService.listTagTop(10000);
if (id == -1) {
id = tags.get(0).getId();
}
model.addAttribute("tags", tags);
model.addAttribute("page", blogService.listBlog(id,pageable));
model.addAttribute("activeTagId", id);
return "tags";
}
}
web/TypeController
package net.hgh.blog.web;
import net.hgh.blog.po.Type;
import net.hgh.blog.service.BlogService;
import net.hgh.blog.service.TypeService;
import net.hgh.blog.vo.BlogQuery;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.web.PageableDefault;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import java.util.List;
public class TypeShowController {
@Autowired
private TypeService typeService;
@Autowired
private BlogService blogService;
@GetMapping("/types/{id}")
public String types(@PageableDefault(size = 8, sort = {"updateTime"}, direction = Sort.Direction.DESC) Pageable pageable,
@PathVariable Long id, Model model) {
List<Type> types = typeService.listTypeTop(10000);
if (id == -1) {
id = types.get(0).getId();
}
BlogQuery blogQuery = new BlogQuery();
blogQuery.setTypeId(id);
model.addAttribute("types", types);
model.addAttribute("page", blogService.listBlog(pageable, blogQuery));
model.addAttribute("activeTypeId", id);
return "types";
}
}
本文标签:
版权声明:本文标题:2021-07-05 内容由热心网友自发贡献,该文观点仅代表作者本人, 转载请联系作者并注明出处:https://m.elefans.com/xitong/1728741728a1171140.html, 本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌抄袭侵权/违法违规的内容,一经查实,本站将立刻删除。
发表评论