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修改sql

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禾几海
2020-05-24 19:22:38 +08:00
parent 9b6293fbeb
commit 732bbe4444
6 changed files with 277 additions and 415 deletions
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3
newBlog.sql
View File

@@ -26,7 +26,8 @@ CREATE TABLE `article_tag`
( (
`at_id` bigint(20) primary key auto_increment, `at_id` bigint(20) primary key auto_increment,
`a_id` bigint(20) not null comment '文章id', `a_id` bigint(20) not null comment '文章id',
`t_id` bigint not null comment 'tag/category 的id' `t_id` bigint not null comment 'tag/category 的id',
`is_delete` boolean not null default false comment '该数据是否被删除'
) comment '文章标签表'; ) comment '文章标签表';
CREATE TABLE `tag_category` CREATE TABLE `tag_category`

399
src/main/java/cn/celess/blog/service/serviceimpl/ArticleServiceImpl.java
View File

@@ -2,14 +2,12 @@ package cn.celess.blog.service.serviceimpl;
import cn.celess.blog.enmu.LevelEnum; import cn.celess.blog.enmu.LevelEnum;
import cn.celess.blog.enmu.ResponseEnum; import cn.celess.blog.enmu.ResponseEnum;
import cn.celess.blog.enmu.RoleEnum;
import cn.celess.blog.entity.*; import cn.celess.blog.entity.*;
import cn.celess.blog.entity.model.ArticleModel; import cn.celess.blog.entity.model.ArticleModel;
import cn.celess.blog.entity.request.ArticleReq; import cn.celess.blog.entity.request.ArticleReq;
import cn.celess.blog.exception.MyException; import cn.celess.blog.exception.MyException;
import cn.celess.blog.mapper.ArticleMapper; import cn.celess.blog.mapper.*;
import cn.celess.blog.mapper.CategoryMapper;
import cn.celess.blog.mapper.CommentMapper;
import cn.celess.blog.mapper.TagMapper;
import cn.celess.blog.service.ArticleService; import cn.celess.blog.service.ArticleService;
import cn.celess.blog.service.UserService; import cn.celess.blog.service.UserService;
import cn.celess.blog.util.DateFormatUtil; import cn.celess.blog.util.DateFormatUtil;
@@ -50,6 +48,8 @@ public class ArticleServiceImpl implements ArticleService {
@Autowired @Autowired
CommentMapper commentMapper; CommentMapper commentMapper;
@Autowired @Autowired
ArticleTagMapper articleTagMapper;
@Autowired
UserService userService; UserService userService;
@Autowired @Autowired
HttpServletRequest request; HttpServletRequest request;
@@ -79,12 +79,20 @@ public class ArticleServiceImpl implements ArticleService {
if (reqBody.getCategory() == null || reqBody.getCategory().replaceAll(" ", "").isEmpty()) { if (reqBody.getCategory() == null || reqBody.getCategory().replaceAll(" ", "").isEmpty()) {
throw new MyException(ResponseEnum.PARAMETERS_ERROR); throw new MyException(ResponseEnum.PARAMETERS_ERROR);
} }
if (reqBody.getTags() == null || reqBody.getTags().replaceAll(" ", "").isEmpty()) { if (reqBody.getTags() == null || reqBody.getTags().length == 0) {
throw new MyException(ResponseEnum.PARAMETERS_ERROR); throw new MyException(ResponseEnum.PARAMETERS_ERROR);
} }
if (articleMapper.existsByTitle(reqBody.getTitle())) {
throw new MyException(ResponseEnum.ARTICLE_HAS_EXIST);
}
// 查看是否存在已有的分类
Category category = (Category) categoryMapper.findCategoryByName(reqBody.getCategory());
if (category == null) {
throw new MyException(ResponseEnum.CATEGORY_NOT_EXIST);
}
//写入数据库的数据 // 构建 需要写入数据库的对象数据
Article article = new Article(); Article article = new Article();
article.setTitle(reqBody.getTitle()); article.setTitle(reqBody.getTitle());
article.setOpen(reqBody.getOpen()); article.setOpen(reqBody.getOpen());
@@ -92,282 +100,155 @@ public class ArticleServiceImpl implements ArticleService {
article.setUrl(reqBody.getUrl()); article.setUrl(reqBody.getUrl());
article.setType(reqBody.getType()); article.setType(reqBody.getType());
article.setAuthorId(redisUserUtil.get().getId()); article.setUser(redisUserUtil.get());
article.setPublishDate(new Date()); article.setPublishDate(new Date());
//防止出现 “null,xxx”这种情况
article.setTagsId("");
//是否需要更新上一篇文章
boolean isUpdatePreArticle = true;
Article preArticle = null;
if (articleMapper.count() == 0) {
isUpdatePreArticle = false;
} else {
//获取最新的一条数据
preArticle = articleMapper.getLastestArticle();
}
if (isUpdatePreArticle) {
logger.info("上一篇文章的id为：" + preArticle.getId());
//设置上一篇文章的id
article.setPreArticleId(preArticle.getId());
}
//markdown->html->summary //markdown->html->summary
String str = StringFromHtmlUtil.getString(MDTool.markdown2Html(article.getMdContent())); String str = StringFromHtmlUtil.getString(MDTool.markdown2Html(article.getMdContent()));
//获取摘要 摘要长度为255个字符 //获取摘要 摘要长度为255个字符
String summary = str.length() > 240 ? str.substring(0, 240) + "......" : str; String summary = str.length() > 240 ? str.substring(0, 240) + "......" : str;
//去除转换后存在的空格
String tagStr = reqBody.getTags().replaceAll(" ", "");
article.setSummary(summary); article.setSummary(summary);
if (articleMapper.existsByTitle(article.getTitle())) { article.setCategory(category);
throw new MyException(ResponseEnum.ARTICLE_HAS_EXIST);
}
//将分类写入数据库
Category category1 = categoryMapper.findCategoryByName(reqBody.getCategory());
if (category1 == null) {
category1 = new Category();
category1.setArticles("");
category1.setName(reqBody.getCategory());
categoryMapper.insert(category1);
}
article.setCategoryId(category1.getId());
//文章存数据库 //文章存数据库
articleMapper.insert(article); articleMapper.insert(article);
//获取新增的文章
if (isUpdatePreArticle) {
//更新上一篇文章的“下一篇文章ID”
articleMapper.updateNextArticleId(preArticle.getId(), article.getId());
}
//无效
// articleMapper.updatePreArticleId(article.getId(), preArticle == null ? -1 : preArticle.getId());
article.setPreArticleId(preArticle == null ? -1 : preArticle.getId());
category1.setArticles(category1.getArticles() + article.getId() + ",");
categoryMapper.update(category1);
//将标签写入数据库 //将标签写入数据库
for (String t : tagStr.split(",")) { for (String tagName : reqBody.getTags()) {
if (t.replaceAll(" ", "").length() == 0) { if (tagName.replaceAll(" ", "").length() == 0) {
//单个标签只含空格 //单个标签只含空格
continue; continue;
} }
Tag tag = tagMapper.findTagByName(t); Tag tag = (Tag) tagMapper.findTagByName(tagName);
if (tag == null) { if (tag == null) {
tag = new Tag(); tag = new Tag();
tag.setName(t); tag.setName(tagName);
tag.setArticles("");
tagMapper.insert(tag); tagMapper.insert(tag);
} }
tag.setArticles(tag.getArticles() + article.getId() + ","); ArticleTag articleTag = new ArticleTag(article, tag);
article.setTagsId(article.getTagsId() + tag.getId() + ","); articleTagMapper.insert(articleTag);
tagMapper.update(tag);
} }
articleMapper.update(article); return fullTransform(article);
return fullTransform(articleMapper.getLastestArticle());
} }
@Override @Override
@Transactional(rollbackFor = Exception.class) @Transactional(rollbackFor = Exception.class)
public boolean delete(long articleID) { public boolean delete(long articleId) {
Article articleForDel = articleMapper.findArticleById(articleId);
Article articleForDel = articleMapper.findArticleById(articleID);
if (articleForDel == null) { if (articleForDel == null) {
throw new MyException(ResponseEnum.ARTICLE_NOT_EXIST);//文章不存在 //文章不存在
throw new MyException(ResponseEnum.ARTICLE_NOT_EXIST);
} }
Article preArticle = articleMapper.findArticleById(articleForDel.getPreArticleId()); //对访问情况进行判断 非admin 权限不可删除文章
Article nextArticle = articleMapper.findArticleById(articleForDel.getNextArticleId());
//对访问情况进行判断 非博主/非自己文章 拒绝访问
User user = redisUserUtil.get(); User user = redisUserUtil.get();
if (!user.getRole().contains("admin") && !articleForDel.getAuthorId().equals(user.getId())) { if (!RoleEnum.ADMIN_ROLE.getRoleName().equals(user.getRole())) {
throw new MyException(ResponseEnum.PERMISSION_ERROR); throw new MyException(ResponseEnum.PERMISSION_ERROR);
} }
//删除的文章处于中间位置
if (nextArticle != null && preArticle != null) {
//修改上一篇文章的“下一篇文章”y
articleMapper.updateNextArticleId(articleForDel.getPreArticleId(), articleForDel.getNextArticleId());
//修改下一篇文章的 “上一篇文章”
articleMapper.updatePreArticleId(articleForDel.getNextArticleId(), articleForDel.getPreArticleId());
}
if (preArticle == null && nextArticle != null) {
//删除的是第一篇文章
articleMapper.updatePreArticleId(nextArticle.getId(), -1);
}
if (nextArticle == null && preArticle != null) {
//删除的是最后一篇文章
articleMapper.updateNextArticleId(preArticle.getId(), -1);
}
// delete count 为删除的数据数量
int deleteCount = commentMapper.deleteByArticleId(articleID);
//删除标签中的文章id
String tag = articleForDel.getTagsId();
if (tag.length() > 0) {
String[] tags = tag.split(",");
for (String t : tags) {
if (t != null) {
//查询标签
Tag tag1 = tagMapper.findTagById(Long.parseLong(t));
//去除标签中的articleId中的待删除的文章id
String s = tag1.getArticles().replaceAll(articleForDel.getId() + ",", "");
tag1.setArticles(s);
tagMapper.update(tag1);
}
}
}
//删除分类中的文章id
//获取文章的分类
long categoryId = articleForDel.getCategoryId();
Category category = categoryMapper.findCategoryById(categoryId);
//删除文章id
category.setArticles(category.getArticles().replaceAll(articleForDel.getId() + ",", ""));
//更新
categoryMapper.update(category);
//删除指定文章 //删除指定文章
articleMapper.delete(articleID); articleMapper.delete(articleId);
articleTagMapper.deleteByArticleId(articleId);
return true; return true;
} }
@Transactional(rollbackFor = Exception.class) @Transactional(rollbackFor = Exception.class)
@Override @Override
public ArticleModel update(ArticleReq reqBody) { public ArticleModel update(ArticleReq reqBody) {
if (reqBody == null) { if (reqBody == null || reqBody.getId() == null) {
throw new MyException(ResponseEnum.PARAMETERS_ERROR); throw new MyException(ResponseEnum.PARAMETERS_ERROR);
} }
// 查找数据
Article article = articleMapper.findArticleById(reqBody.getId());
//数据判断 //数据判断
if (reqBody.getTitle() == null || reqBody.getTitle().replaceAll(" ", "").isEmpty()) { if (reqBody.getTitle() != null && !reqBody.getTitle().replaceAll(" ", "").isEmpty()) {
throw new MyException(ResponseEnum.PARAMETERS_ERROR); if (articleMapper.existsByTitle(reqBody.getTitle())) {
} else if (reqBody.getMdContent() == null || reqBody.getMdContent().replaceAll(" ", "").isEmpty()) { throw new MyException(ResponseEnum.ARTICLE_HAS_EXIST);
}
article.setTitle(reqBody.getTitle());
}
if (reqBody.getMdContent() != null && !reqBody.getMdContent().replaceAll(" ", "").isEmpty()) {
article.setMdContent(reqBody.getMdContent());
}
//转载 判断链接
if (reqBody.getType() != null) {
if (!reqBody.getType() && reqBody.getUrl() == null) {
throw new MyException(ResponseEnum.PARAMETERS_ERROR); throw new MyException(ResponseEnum.PARAMETERS_ERROR);
} }
//转载 判断链接
if (!reqBody.getType()) { if (!RegexUtil.urlMatch(reqBody.getUrl())) {
if (reqBody.getUrl() == null || reqBody.getUrl().replaceAll(" ", "").isEmpty()) {
throw new MyException(ResponseEnum.PARAMETERS_ERROR);
} else if (!RegexUtil.urlMatch(reqBody.getUrl())) {
throw new MyException(ResponseEnum.PARAMETERS_URL_ERROR); throw new MyException(ResponseEnum.PARAMETERS_URL_ERROR);
} }
article.setType(reqBody.getType());
article.setUrl(reqBody.getUrl());
} }
if (reqBody.getCategory() == null || reqBody.getCategory().replaceAll(" ", "").isEmpty()) { if (reqBody.getCategory() != null && !reqBody.getCategory().replaceAll(" ", "").isEmpty()) {
throw new MyException(ResponseEnum.PARAMETERS_ERROR); Category category = (Category) categoryMapper.findCategoryByName(reqBody.getCategory());
if (category == null) {
category = new Category();
category.setName(reqBody.getCategory());
categoryMapper.insert(category);
} }
// 暂时不更新tags article.setCategory(category);
if (reqBody.getTags() == null || reqBody.getTags().replaceAll(" ", "").isEmpty()) { }
throw new MyException(ResponseEnum.PARAMETERS_ERROR);
if (reqBody.getTags() != null && reqBody.getTags().length != 0) {
} }
//写入数据库的数据 //写入数据库的数据
Article article = new Article(); article.setOpen(reqBody.getOpen() ? article.getOpen() : reqBody.getOpen());
if (reqBody.getId() == null) {
throw new MyException(ResponseEnum.PARAMETERS_ERROR.getCode(), "id不能为空");
}
article.setId(reqBody.getId());
article.setTitle(reqBody.getTitle());
article.setOpen(reqBody.getOpen());
article.setMdContent(reqBody.getMdContent());
article.setUrl(reqBody.getUrl());
article.setType(reqBody.getType());
Article oldArticle = articleMapper.findArticleById(reqBody.getId());
Category category = categoryMapper.findCategoryById(oldArticle.getCategoryId());
if (!(category.getName()).equals(reqBody.getCategory())) {
//修改更新之前数据 的分类
category.setArticles(category.getArticles().replace(reqBody.getId() + ",", ""));
//更新
categoryMapper.update(category);
//更新 更新之后的分类
Category category1 = categoryMapper.findCategoryByName(reqBody.getCategory());
if (category1 == null) {
category1 = new Category();
category1.setName(reqBody.getCategory());
category1.setArticles(reqBody.getId() + ",");
categoryMapper.insert(category1);
}
article.setCategoryId(category1.getId());
} else {
article.setCategoryId(oldArticle.getCategoryId());
}
String[] newTags = reqBody.getTags().split(",");
String[] tagIds = oldArticle.getTagsId().split(",");
//防止出现 ‘null2’这种情况
article.setTagsId("");
for (String t : newTags) {
Tag tag = tagMapper.findTagByName(t);
if (tag == null) {
tag = new Tag();
tag.setName(t);
tag.setArticles(oldArticle.getId() + ",");
int status = tagMapper.insert(tag);
if (status == 0) {
// 插入失败
throw new MyException(ResponseEnum.FAILURE);
}
article.setTagsId(article.getTagsId() + tag.getId() + ",");
continue;
}
article.setTagsId(article.getTagsId() + tag.getId() + ",");
}
for (String tagId : tagIds) {
Tag tagById = tagMapper.findTagById(Long.parseLong(tagId));
// 在新更新的tag中是否有原有的tag
boolean isOldTag = false;
for (String s : newTags) {
if (s.equals(tagById.getName())) {
isOldTag = true;
break;
}
}
if (!isOldTag) {
tagById.setArticles(tagById.getArticles().replace(oldArticle.getId() + ",", ""));
}
tagMapper.update(tagById);
}
//
// // TODO:::: tag的更新
// article.setTagsId(oldArticle.getTagsId());
article.setUpdateDate(new Date());
// TODO::::换用beansUtil
// 设置不定参数
article.setReadingNumber(oldArticle.getReadingNumber());
article.setPublishDate(oldArticle.getPublishDate());
article.setAuthorId(redisUserUtil.get().getId());
article.setPreArticleId(oldArticle.getPreArticleId());
article.setNextArticleId(oldArticle.getNextArticleId());
String str = StringFromHtmlUtil.getString(MDTool.markdown2Html(article.getMdContent())); String str = StringFromHtmlUtil.getString(MDTool.markdown2Html(article.getMdContent()));
article.setSummary(str.length() > 240 ? str.substring(0, 240) + "......" : str); article.setSummary(str.length() > 240 ? str.substring(0, 240) + "......" : str);
articleMapper.update(article); articleMapper.update(article);
List<ArticleTag> allByArticleId = articleTagMapper.findAllByArticleId(article.getId());
List<ArticleTag> updateList = new ArrayList<>();
List<ArticleTag> deleteList = new ArrayList<>();
for (String tag : reqBody.getTags()) {
boolean contain = allByArticleId.stream().anyMatch(articleTag -> articleTag.getTag().getName().equals(tag));
if (!contain) {
ArticleTag articleTag = new ArticleTag();
articleTag.setArticle(article);
Tag tagByName = (Tag) tagMapper.findTagByName(tag);
if (tagByName == null) {
tagByName = new Tag(tag);
tagMapper.insert(tagByName);
}
articleTag.setTag(tagByName);
updateList.add(articleTag);
}
}
allByArticleId.forEach(articleTag -> {
boolean contain = false;
for (String tag : reqBody.getTags()) {
if (articleTag.getTag().getName().equals(tag)) {
contain = true;
break;
}
}
if (!contain) {
deleteList.add(articleTag);
}
});
if (updateList.size() != 0) {
updateList.forEach(articleTag -> articleTagMapper.insert(articleTag));
}
if (deleteList.size() != 0) {
articleTagMapper.deleteMultiById(deleteList);
}
//更新完成移除 //更新完成移除
request.getSession().removeAttribute("article4update"); request.getSession().removeAttribute("article4update");
return fullTransform(article); return fullTransform(article);
@@ -420,7 +301,7 @@ public class ArticleServiceImpl implements ArticleService {
@Override @Override
public PageInfo findByCategory(String name, int page, int count) { public PageInfo findByCategory(String name, int page, int count) {
Long idByName = categoryMapper.getIDByName(name); Long idByName = categoryMapper.getIdByName(name);
if (idByName == null) { if (idByName == null) {
throw new MyException(ResponseEnum.CATEGORY_NOT_EXIST); throw new MyException(ResponseEnum.CATEGORY_NOT_EXIST);
} }
@@ -431,13 +312,13 @@ public class ArticleServiceImpl implements ArticleService {
@Override @Override
public PageInfo findByTag(String name, int page, int count) { public PageInfo findByTag(String name, int page, int count) {
Tag tag = tagMapper.findTagByName(name); Tag tag = (Tag) tagMapper.findTagByName(name);
if (tag == null) { if (tag == null) {
throw new MyException(ResponseEnum.TAG_NOT_EXIST); throw new MyException(ResponseEnum.TAG_NOT_EXIST);
} }
// TODO :
PageHelper.startPage(page, count); PageHelper.startPage(page, count);
String[] split = tag.getArticles().split(","); List<String> list = Arrays.asList(null);
List<String> list = Arrays.asList(split);
List<Article> articleList = articleMapper.getSimpleInfoByTag(list); List<Article> articleList = articleMapper.getSimpleInfoByTag(list);
PageInfo pageInfo = new PageInfo(articleList); PageInfo pageInfo = new PageInfo(articleList);
return pageInfo; return pageInfo;
@@ -500,19 +381,19 @@ public class ArticleServiceImpl implements ArticleService {
*/ */
private ArticleModel suitableTransform(Article a) { private ArticleModel suitableTransform(Article a) {
ArticleModel model = simpleTransform(a); ArticleModel model = simpleTransform(a);
model.setAuthorName(userService.getNameById(a.getAuthorId())); // model.setAuthor(a.getUser());
model.setPublishDateFormat(DateFormatUtil.get(a.getPublishDate())); // model.setPublishDateFormat(DateFormatUtil.get(a.getPublishDate()));
model.setOriginal(a.getType()); // model.setOriginal(a.getType());
model.setCategory(categoryMapper.getNameById(a.getCategoryId())); // model.setCategory(categoryMapper.getNameById(a.getCategoryId()));
String[] split = a.getTagsId().split(","); // String[] split = a.getTagsId().split(",");
String[] tags = new String[split.length]; // String[] tags = new String[split.length];
for (int i = 0; i < split.length; i++) { // for (int i = 0; i < split.length; i++) {
if (split[i] == null || "".equals(split[i])) { // if (split[i] == null || "".equals(split[i])) {
continue; // continue;
} // }
tags[i] = tagMapper.getNameById(Long.parseLong(split[i])); // tags[i] = tagMapper.getNameById(Long.parseLong(split[i]));
} // }
model.setTags(tags); // model.setTags(tags);
return model; return model;
} }
@@ -527,12 +408,12 @@ public class ArticleServiceImpl implements ArticleService {
*/ */
private ArticleModel suitableTransformForAdmin(Article a) { private ArticleModel suitableTransformForAdmin(Article a) {
ArticleModel model = simpleTransform(a); ArticleModel model = simpleTransform(a);
model.setPublishDateFormat(DateFormatUtil.get(a.getPublishDate())); // model.setPublishDateFormat(DateFormatUtil.get(a.getPublishDate()));
model.setUpdateDateFormat(DateFormatUtil.get(a.getUpdateDate())); // model.setUpdateDateFormat(DateFormatUtil.get(a.getUpdateDate()));
model.setReadingNumber(a.getReadingNumber()); // model.setReadingNumber(a.getReadingNumber());
model.setOpen(a.getOpen()); // model.setOpen(a.getOpen());
model.setOriginal(a.getType()); // model.setOriginal(a.getType());
model.setSummary(null); // model.setSummary(null);
return model; return model;
} }
@@ -547,15 +428,15 @@ public class ArticleServiceImpl implements ArticleService {
*/ */
private ArticleModel fullTransform(Article a) { private ArticleModel fullTransform(Article a) {
ArticleModel model = suitableTransform(a); ArticleModel model = suitableTransform(a);
model.setUpdateDateFormat(DateFormatUtil.get(a.getUpdateDate())); // model.setUpdateDateFormat(DateFormatUtil.get(a.getUpdateDate()));
model.setMdContent(a.getMdContent()); // model.setMdContent(a.getMdContent());
model.setNextArticleId(a.getNextArticleId()); // model.setNextArticleId(a.getNextArticleId());
model.setNextArticleTitle(a.getNextArticleId() == -1 ? "无" : articleMapper.getTitleById(a.getNextArticleId())); // model.setNextArticleTitle(a.getNextArticleId() == -1 ? "无" : articleMapper.getTitleById(a.getNextArticleId()));
model.setPreArticleId(a.getPreArticleId()); // model.setPreArticleId(a.getPreArticleId());
model.setPreArticleTitle(a.getPreArticleId() == -1 ? "无" : articleMapper.getTitleById(a.getPreArticleId())); // model.setPreArticleTitle(a.getPreArticleId() == -1 ? "无" : articleMapper.getTitleById(a.getPreArticleId()));
model.setOpen(a.getOpen()); // model.setOpen(a.getOpen());
model.setUrl(a.getUrl()); // model.setUrl(a.getUrl());
model.setReadingNumber(a.getReadingNumber()); // model.setReadingNumber(a.getReadingNumber());
return model; return model;
} }

77
src/main/resources/mapper/CategoryMapper.xml
View File

@@ -1,84 +1,91 @@
<?xml version="1.0" encoding="UTF-8" ?> <?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" > <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="cn.celess.blog.mapper.CategoryMapper"> <mapper namespace="cn.celess.blog.mapper.CategoryMapper">
<resultMap id="categoryResultMap" type="cn.celess.blog.entity.Category"> <resultMap id="categoryResultMap" type="cn.celess.blog.entity.TagCategory">
<id column="t_id" property="id"/> <id column="t_id" property="id"/>
<result column="t_name" property="name"/> <result column="t_name" property="name"/>
<result column="is_category" property="category"/>
<result column="is_delete" property="deleted"/>
</resultMap> </resultMap>
<insert id="insert"> <insert id="insert" useGeneratedKeys="true" keyProperty="id">
insert into category (c_name, articles) insert into tag_category (t_name, is_category)
values (#{name}, #{articles}); values (#{name}, true);
<selectKey resultType="java.lang.Long" keyProperty="id">
SELECT LAST_INSERT_ID() AS id
</selectKey>
</insert> </insert>
<update id="update"> <update id="update">
update category update tag_category
set c_name=#{name}, set t_name=#{name}
articles=#{articles} where t_id = #{id}
where c_id = #{id} and is_category = true;
</update> </update>
<delete id="delete"> <update id="delete">
delete update tag_category
from category set is_delete= true
where c_id = #{id} where t_id = #{id}
</delete> and is_category = true;
</update>
<select id="findCategoryByName" resultMap="categoryResultMap"> <select id="findCategoryByName" resultMap="categoryResultMap">
select * select *
from category from tag_category
where c_name = #{name} where t_name = #{name}
and is_category = true;
</select> </select>
<select id="findCategoryById" resultMap="categoryResultMap"> <select id="findCategoryById" resultMap="categoryResultMap">
select * select *
from category from tag_category
where c_id = #{id} where t_id = #{id}
and is_category = true;
</select> </select>
<select id="findAll" resultMap="categoryResultMap"> <select id="findAll" resultMap="categoryResultMap">
select * select *
from category from tag_category
where is_category = true;
</select> </select>
<select id="getAllName" resultType="java.lang.String"> <select id="getAllName" resultType="java.lang.String">
select c_name select t_name
from category from tag_category
where is_category = true;
</select> </select>
<select id="getNameById" resultType="java.lang.String"> <select id="getNameById" resultType="java.lang.String">
select c_name select t_name
from category from tag_category
where c_id = #{id} where is_category = true;
</select> </select>
<select id="getIDByName" resultType="java.lang.Long"> <select id="getIdByName" resultType="java.lang.Long">
select c_id select t_id
from category from tag_category
where c_name = #{name} where is_category = true
and t_name = #{name}
</select> </select>
<select id="existsByName" resultType="java.lang.Boolean"> <select id="existsByName" resultType="java.lang.Boolean">
SELECT EXISTS(SELECT * FROM category WHERE c_name = #{name}) SELECT EXISTS(SELECT * FROM tag_category WHERE t_name = #{name} and is_category = true)
</select> </select>
<select id="existsById" resultType="java.lang.Boolean"> <select id="existsById" resultType="java.lang.Boolean">
SELECT EXISTS(SELECT * FROM category WHERE c_id = #{id}) SELECT EXISTS(SELECT * FROM tag_category WHERE t_id = #{id})
</select> </select>
<select id="getLastestCategory" resultMap="categoryResultMap"> <select id="getLastestCategory" resultMap="categoryResultMap">
select * select *
from category from tag_category
order by c_id desc where is_category = true
order by t_id desc
limit 1; limit 1;
</select> </select>
<select id="count" resultType="java.lang.Long"> <select id="count" resultType="java.lang.Long">
select count(*) select count(*)
from category; from tag_category
where is_category = true;
</select> </select>
</mapper> </mapper>

94
src/main/resources/mapper/articleMapper.xml
View File

@@ -7,7 +7,7 @@
<result column="a_summary" property="summary"/> <result column="a_summary" property="summary"/>
<result column="a_md_content" property="mdContent"/> <result column="a_md_content" property="mdContent"/>
<result column="a_url" property="url"/> <result column="a_url" property="url"/>
<result column="a_author_id" property="authorId"/> <result column="a_author_id" property="user.id"/>
<result column="a_is_open" property="open"/> <result column="a_is_open" property="open"/>
<result column="a_is_original" property="type"/> <result column="a_is_original" property="type"/>
<!-- <result column="next_a_id" property="nextArticleId"/>--> <!-- <result column="next_a_id" property="nextArticleId"/>-->
@@ -15,11 +15,12 @@
<result column="a_reading_number" property="readingNumber"/> <result column="a_reading_number" property="readingNumber"/>
<result column="a_publish_date" property="publishDate"/> <result column="a_publish_date" property="publishDate"/>
<result column="a_update_date" property="updateDate"/> <result column="a_update_date" property="updateDate"/>
<association property="category" column="a_category_id" javaType="cn.celess.blog.entity.Category" <result column="is_delete" property="deleted"/>
<association property="category" column="a_category_id" javaType="cn.celess.blog.entity.TagCategory"
resultMap="cn.celess.blog.mapper.CategoryMapper.categoryResultMap"> resultMap="cn.celess.blog.mapper.CategoryMapper.categoryResultMap">
</association> </association>
<collection property="tags" ofType="cn.celess.blog.entity.Article" <collection property="tags" ofType="cn.celess.blog.entity.TagCategory"
resultMap="cn.celess.blog.mapper.TagMapper.tagResultMap"> resultMap="cn.celess.blog.mapper.CategoryMapper.categoryResultMap">
</collection> </collection>
</resultMap> </resultMap>
@@ -37,6 +38,7 @@
<result column="readingCount" property="readingNumber"/> <result column="readingCount" property="readingNumber"/>
<result column="publishDate" property="publishDate"/> <result column="publishDate" property="publishDate"/>
<result column="updateDate" property="updateDate"/> <result column="updateDate" property="updateDate"/>
<result column="isDelete" property="deleted"/>
<association property="category" column="categoryId" javaType="cn.celess.blog.entity.Category"> <association property="category" column="categoryId" javaType="cn.celess.blog.entity.Category">
<id column="categoryId" property="id"/> <id column="categoryId" property="id"/>
<result column="categoryName" property="name"/> <result column="categoryName" property="name"/>
@@ -55,10 +57,9 @@
</resultMap> </resultMap>
<insert id="insert" useGeneratedKeys="true" keyProperty="id" parameterType="cn.celess.blog.entity.Article"> <insert id="insert" useGeneratedKeys="true" keyProperty="id" parameterType="cn.celess.blog.entity.Article">
insert into article (a_author_id, a_category_id, a_md_content, a_publish_date, insert into article (a_author_id, a_category_id, a_md_content, a_is_original,
a_summary, a_title, a_url) a_summary, a_title, a_url)
values (#{user.id}, #{category.id}, #{mdContent}, #{publishDate}, values (#{user.id}, #{category.id}, #{mdContent}, #{type}, #{summary}, #{title}, #{url})
#{summary}, #{title}, #{url})
</insert> </insert>
<update id="delete"> <update id="delete">
update article update article
@@ -85,24 +86,18 @@
where a_id = #{id} where a_id = #{id}
</update> </update>
<select id="getLastestArticle" resultMap="articleResultMap" resultType="cn.celess.blog.entity.Article"> <select id="getLastestArticle" resultMap="articleViewResultMap" resultType="cn.celess.blog.entity.Article">
select * select *
from article, from articleView
tag_category order by articleId desc
where tag_category.is_category = true
and article.a_category_id = tag_category.t_id
order by a_id desc
limit 1 limit 1
</select> </select>
<select id="findArticleById" resultMap="articleResultMap"> <select id="findArticleById" resultMap="articleViewResultMap">
select * select *
from article, from articleView
tag_category where articleId = #{id}
where a_id = #{id}
and tag_category.is_category = true
and article.a_category_id = tag_category.t_id
</select> </select>
<select id="existsByTitle" resultType="boolean"> <select id="existsByTitle" resultType="boolean">
@@ -113,37 +108,40 @@
select is_delete select is_delete
from article from article
WHERE a_id = #{id} WHERE a_id = #{id}
# SELECT EXISTS(SELECT * FROM article
</select> </select>
<select id="findAllByAuthorId" resultMap="articleResultMap"> <select id="findAllByAuthorId" resultMap="articleViewResultMap">
select * select *
from article from articleView
where a_author_id = #{authorID} where authorId = #{authorID}
order by a_id desc and isDelete = false
order by articleId desc
</select> </select>
<select id="findAllByOpen" resultMap="articleResultMap"> <select id="findAllByOpen" resultMap="articleViewResultMap">
select * select *
from article from articleView
where a_is_open = #{isOpen} where isOpen = #{isOpen}
order by a_id desc and isDelete = false
order by articleId desc
</select> </select>
<select id="getTitleById" resultType="string"> <select id="getTitleById" resultType="string">
SELECT a_title SELECT title
from article from articleView
where a_id = #{id} where articleId = #{id}
</select> </select>
<select id="findAllByCategoryId" resultMap="articleResultMap"> <select id="findAllByCategoryId" resultMap="articleViewResultMap">
select a_id, a_title, a_summary select *
from article from articleView
where a_category_id = #{id} where categoryId = #{id}
order by a_id desc and isDelete = false
order by articleId desc
</select> </select>
<select id="findAll" resultMap="articleViewResultMap"> <select id="findAll" resultMap="articleViewResultMap">
select * select *
from articleView from articleView
@@ -151,33 +149,11 @@
order by articleId desc order by articleId desc
</select> </select>
<select id="getSimpleInfo" resultMap="articleResultMap">
select a_id, a_summary, a_title
from article
where a_id = #{id}
</select>
<select id="getSimpleInfoByCategory" resultMap="articleResultMap">
select a_id, a_summary, a_title
from article
where a_category_id = #{categoryId}
order by a_id desc
</select>
<select id="getSimpleInfoByTag" resultMap="articleResultMap">
Select
a_id, a_summary, a_title
from article where a_id in
<foreach item="item" index="index" collection="list" open="(" separator="," close=")">
#{item}
</foreach>
order by a_id desc
</select>
<select id="count" resultType="long"> <select id="count" resultType="long">
select count(*) select count(*)
from article; from article;
</select> </select>
</mapper> </mapper>

71
src/main/resources/mapper/tagMapper.xml
View File

@@ -1,75 +1,66 @@
<?xml version="1.0" encoding="UTF-8" ?> <?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" > <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="cn.celess.blog.mapper.TagMapper"> <mapper namespace="cn.celess.blog.mapper.TagMapper">
<resultMap id="tagResultMap" type="cn.celess.blog.entity.Tag">
<id column="tag_id" property="id"/> <resultMap id="tagResultMap" type="cn.celess.blog.entity.Tag"
<result column="tag_name" property="name"/> extends="cn.celess.blog.mapper.CategoryMapper.categoryResultMap">
</resultMap> </resultMap>
<insert id="insert"> <insert id="insert" useGeneratedKeys="true" keyProperty="id">
insert into tag (tag_name, articles) insert into tag_category (t_name, is_category)
VALUES (#{name}, #{articles}); VALUES (#{name}, false);
<selectKey resultType="java.lang.Long" keyProperty="id">
SELECT LAST_INSERT_ID() AS id
</selectKey>
</insert> </insert>
<update id="update"> <update id="update">
update tag update tag_category
set tag_name=#{name}, set t_name=#{name}
articles=#{articles} where t_id = #{id}
where tag_id = #{id} and is_category = false;
</update> </update>
<delete id="delete"> <update id="delete">
delete update tag_category
from tag set is_delete = true
where tag_id = #{id} where t_id = #{id}
</delete> and is_category = false;
</update>
<select id="findTagById" resultMap="tagResultMap"> <select id="findTagById" resultMap="tagResultMap">
select * select *
from tag from tag_category
where tag_id = #{id} where t_id = #{id}
and is_category = false;
</select> </select>
<select id="findTagByName" resultMap="tagResultMap"> <select id="findTagByName" resultMap="tagResultMap">
select * select *
from tag from tag_category
where tag_name = #{name} where t_name = #{name}
and is_category = false;
</select> </select>
<select id="existsByName" resultType="boolean"> <select id="existsByName" resultType="boolean">
SELECT EXISTS(SELECT * FROM tag WHERE tag_name = #{name}) SELECT EXISTS(SELECT * FROM tag_category WHERE t_name = #{name} and is_category = false)
</select> </select>
<select id="getIDByName" resultType="long">
select tag_id
from tag
where tag_name = #{name}
</select>
<select id="getNameById" resultType="string">
select tag_name
from tag
where tag_id = #{id}
</select>
<select id="getLastestTag" resultMap="tagResultMap"> <select id="getLastestTag" resultMap="tagResultMap">
select * select *
from tag from tag_category
order by tag_id desc where is_category = false
order by t_id desc
limit 1 limit 1
</select> </select>
<select id="findAll" resultMap="tagResultMap"> <select id="findAll" resultMap="tagResultMap">
select * select *
from tag from tag_category
where is_category = false;
</select> </select>
<select id="count" resultType="long"> <select id="count" resultType="long">
select count(*) select count(*)
from tag; from tag_category
where is_category = false;;
</select> </select>
</mapper> </mapper>

46
src/test/java/cn/celess/blog/mapper/ArticleMapperTest.java
View File

@@ -1,10 +1,7 @@
package cn.celess.blog.mapper; package cn.celess.blog.mapper;
import cn.celess.blog.BaseTest; import cn.celess.blog.BaseTest;
import cn.celess.blog.entity.Article; import cn.celess.blog.entity.*;
import cn.celess.blog.entity.Category;
import cn.celess.blog.entity.Tag;
import cn.celess.blog.entity.User;
import org.junit.Test; import org.junit.Test;
import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Autowired;
@@ -16,37 +13,38 @@ import static org.junit.Assert.*;
public class ArticleMapperTest extends BaseTest { public class ArticleMapperTest extends BaseTest {
@Autowired @Autowired
ArticleMapper articleMapper; ArticleMapper articleMapper;
@Autowired
TagMapper tagMapper;
@Autowired
ArticleTagMapper articleTagMapper;
@Test @Test
public void insert() { public void insert() {
Article article = generateArticle(); Article article = generateArticle().getArticle();
articleMapper.insert(article);
assertNotNull(article.getId()); assertNotNull(article.getId());
} }
@Test @Test
public void delete() { public void delete() {
Article article = generateArticle(); Article article = generateArticle().getArticle();
articleMapper.insert(article);
assertFalse(articleMapper.isDeletedById(article.getId())); assertFalse(articleMapper.isDeletedById(article.getId()));
assertEquals(1, articleMapper.delete(article.getId())); assertEquals(1, articleMapper.delete(article.getId()));
assertTrue(articleMapper.isDeletedById(article.getId())); assertTrue(articleMapper.isDeletedById(article.getId()));
} }
@Test @Test
public void update() { public void update() {
Article article = generateArticle(); Article article = generateArticle().getArticle();
String randomText = UUID.randomUUID().toString(); String randomText = UUID.randomUUID().toString();
// 此字段不会通过insert被写入数据库而是使用插入数据的默认值 数据库中该字段默认为true // 此字段不会通过insert被写入数据库而是使用插入数据的默认值 数据库中该字段默认为true
article.setOpen(true); article.setOpen(true);
articleMapper.insert(article);
article.setTitle("test update " + randomText); article.setTitle("test update " + randomText);
article.setMdContent("test update "); article.setMdContent("test update ");
article.setSummary("test update "); article.setSummary("test update ");
@@ -93,8 +91,7 @@ public class ArticleMapperTest extends BaseTest {
@Test @Test
public void updateReadCount() { public void updateReadCount() {
Article article = generateArticle(); Article article = generateArticle().getArticle();
articleMapper.insert(article);
Article articleById = articleMapper.findArticleById(article.getId()); Article articleById = articleMapper.findArticleById(article.getId());
assertEquals(Long.valueOf(0), articleById.getReadingNumber()); assertEquals(Long.valueOf(0), articleById.getReadingNumber());
articleMapper.updateReadingNumber(articleById.getId()); articleMapper.updateReadingNumber(articleById.getId());
@@ -105,17 +102,16 @@ public class ArticleMapperTest extends BaseTest {
@Test @Test
public void getLastestArticle() { public void getLastestArticle() {
Article article = generateArticle(); Article article = generateArticle().getArticle();
articleMapper.insert(article);
Article lastestArticle = articleMapper.getLastestArticle(); Article lastestArticle = articleMapper.getLastestArticle();
assertNotNull(lastestArticle); assertNotNull(lastestArticle);
assertEquals(article.getId(), lastestArticle.getId()); assertEquals(article.getId(), lastestArticle.getId());
// assertNotNull(lastestArticle.getCategory()); assertNotNull(lastestArticle.getCategory());
// assertNotEquals(0, lastestArticle.getTags().size()); assertNotEquals(0, lastestArticle.getTags().size());
} }
private Article generateArticle() { private ArticleTag generateArticle() {
String randomText = UUID.randomUUID().toString(); String randomText = UUID.randomUUID().toString();
Article article = new Article(); Article article = new Article();
@@ -125,10 +121,20 @@ public class ArticleMapperTest extends BaseTest {
article.setTitle(" unity test for article " + randomText); article.setTitle(" unity test for article " + randomText);
article.setMdContent("# unity test for article"); article.setMdContent("# unity test for article");
article.setSummary("unity test for article"); article.setSummary("unity test for article");
Tag tag = tagMapper.findTagByName("随笔");
User user = new User(); User user = new User();
user.setId(1L); user.setId(1L);
article.setUser(user); article.setUser(user);
article.setType(true); article.setType(true);
return article;
articleMapper.insert(article);
ArticleTag articleTag = new ArticleTag();
articleTag.setArticle(article);
articleTag.setTag(tag);
articleTagMapper.insert(articleTag);
return articleTag;
} }
} }