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政府網(wǎng)站的做東莞關(guān)鍵詞排名提升

news 2025/7/5 17:47:44

政府網(wǎng)站的做,東莞關(guān)鍵詞排名提升,求個(gè)網(wǎng)站這么難嗎2021年,wordpress 主機(jī)搬家八、博客管理系統(tǒng) 創(chuàng)建新的SpringBoot項(xiàng)目，綜合運(yùn)用以上知識(shí)點(diǎn)，做一個(gè)文章管理的后臺(tái)應(yīng)用。依賴(lài)： Spring WebLombokThymeleafMyBatis FrameworkMySQL DriverBean Validationhutool 需求：文章管理工作，發(fā)布新文章&…

八、博客管理系統(tǒng)

創(chuàng)建新的SpringBoot項(xiàng)目，綜合運(yùn)用以上知識(shí)點(diǎn)，做一個(gè)文章管理的后臺(tái)應(yīng)用。
依賴(lài)：
- Spring Web
- Lombok
- Thymeleaf
- MyBatis Framework
- MySQL Driver
- Bean Validation
- hutool
需求：文章管理工作，發(fā)布新文章，編輯文章，查看文章內(nèi)容等

8.1配置文件

1.組織配置文件

app-base.yml

article:#最低閱讀數(shù)low-read: 10#首頁(yè)顯示記錄的數(shù)量top-read: 20

db.properties(一定要用properties)

#配置數(shù)據(jù)源
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
spring.datasource.url=jdbc:mysql://localhost:3306/springboot?serverTimezone=Asia/Shanghai&useUnicode=true&characterEncoding=utf8&autoReconnect=true&useSSL=false
spring.datasource.username=root
spring.datasource.password=030522
spring.datasource.type=com.zaxxer.hikari.HikariDataSource
spring.datasource.hikari.auto-commit=true
spring.datasource.hikari.maximum-pool-size=10
spring.datasource.hikari.minimum-idle=10
#獲取連接時(shí)，檢測(cè)語(yǔ)句
spring.datasource.hikari.connection-test-query=select 1
spring.datasource.hikari.connection-timeout=20000
#其他屬性
spring.datasource.hikari.data-source-properties.cachePrepStmts=true
spring.datasource.hikari.data-source-properties.dataSource.cachePrepStmtst=true
spring.datasource.hikari.data-source-properties.dataSource.prepStmtCacheSize=250
spring.datasource.hikari.data-source-properties.dataSource.prepStmtCacheSqlLimit=2048
spring.datasource.hikari.data-source-properties.dataSource.useServerPrepStmts=true

8.2視圖文件

2.logo文件

favicon.ico 放在 static/ 根目錄下

3.創(chuàng)建模板頁(yè)面

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articleList.html

<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head><meta charset="UTF-8"><title>Title</title><link rel="icon" th:href="@{/favicon.ico}" type="image/x-icon"/><script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
</head>
<body>
<div style="margin-left: 200px"><h3>閱讀最多的20篇文章</h3><table border="1px" cellpadding="0px" cellspacing="0px"><thead><th>選擇</th><th>序號(hào)</th><th>標(biāo)題</th><th>副標(biāo)題</th><th>已讀數(shù)</th><th>發(fā)布時(shí)間</th><th>最后修改時(shí)間</th><th>操作</th></thead><tbody><tr th:each="article , loopStatus : ${articleList}"><td><input type="checkbox" th:value="${article.id}"></td><td th:text="${loopStatus.index + 1}"></td><td th:text="${article.title}"></td><td th:text="${article.summary}"></td><td th:text="${article.readCount}"></td><td th:text="${article.createTime}"></td><td th:text="${article.updateTime}"></td><td><a th:href="@{/article/get(id=${article.id})}">編輯文章</a> </td></tr><tr><td colspan="8"><table width="100%"><tr><td><button id="add" onclick="addArticle()">發(fā)布新文章</button></td><td><button id="del" onclick="deleteArticle()">刪除文章</button></td><td><button id="view" onclick="overView()">文章概覽</button></td></tr></table></td></tr></tbody></table><form id="frm" th:action="@{/view/addArticle}" method="get"></form><form id="delFrm" th:action="@{/article/remove}" method="post"><input type="hidden" name="ids" id="ids" value=""></form>
</div>
<script>function addArticle(){$("#frm").submit();}function deleteArticle(){var ids=[];$("input[type='checkbox']:checked").each((index,item)=>{ids.push(item.value);})if (ids.length==0){alert("請(qǐng)選擇文章");return;}$("#ids").val(ids);$("#delFrm").submit();}function overView(){var ids = [];$("input[type='checkbox']:checked").each( (index,item) =>{ids.push(item.value);})if( ids.length != 1){alert("請(qǐng)選擇一個(gè)文章查看");return;}$.get("../article/detail/overview",{id: ids[0]}, (data,status)=>{alert(data);})}
</script>
</body>
</html>

addArticle.html

<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head><meta charset="UTF-8"><title>Title</title><link rel="icon" th:href="@{/favicon.ico}" type="image/x-icon"/>
</head>
<body>
<div style="margin-left: 200px"><h3>發(fā)布新的文章</h3><form th:action="@{/article/add}" method="post"><table><tr><td>標(biāo)題</td><td><input type="text" name="title"></td></tr><tr><td>副標(biāo)題</td><td><input type="text" name="summary" size="50"></td></tr><tr><td>內(nèi)容</td><td><textarea name="content" cols="60" rows="20"></textarea></td></tr></table><br/><input type="submit" value="發(fā)布新文章" style="margin-left: 200px"></form>
</div>
</body>
</html>

editArticle.html

<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head><meta charset="UTF-8"><title>Title</title><link rel="icon" th:href="@{/favicon.ico}" type="image/x-icon"/>
</head>
<body>
<div style="margin-left: 200px"><h3>修改文章</h3><form th:action="@{/article/edit}" method="post"><table><tr><td>標(biāo)題</td><td><input type="text" name="title" th:value="${article.title}"></td></tr><tr><td>副標(biāo)題</td><td><input type="text" name="summary" size="50" th:value="${article.summary}"></td></tr><tr><td>內(nèi)容</td><td><textarea name="content" cols="60" rows="20" th:text="${article.content}"></textarea></td></tr></table><br/><input type="hidden" th:value="${article.id}" name="id"><input type="submit" value="確認(rèn)修改" style="margin-left: 200px"></form>
</div>
</body>
</html>

bind.html

<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head><meta charset="UTF-8"><title>Title</title><link rel="icon" th:href="@{/favicon.ico}" type="image/x-icon"/>
</head>
<body>
<h3>輸入異常</h3>
<table border="1px"><thead><th>字段</th><th>描述</th></thead><tbody><tr th:each="err:${errors}"><td th:text="${err.field}"></td><td th:text="${err.defaultMessage}"></td></tr></tbody>
</table>
</body>
</html>

error.html

<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head><meta charset="UTF-8"><title>Title</title><link rel="icon" th:href="@{/favicon.ico}" type="image/x-icon"/>
</head>
<body>
<h3>請(qǐng)求錯(cuò)誤</h3>
<h3 th:text="${msg}"></h3>
</body>
</html>

8.3Java代碼

4.java代碼

model包

ArticleDTO

package com.hhb.blog.model.dto;import lombok.Data;@Data
public class ArticleDTO {private Integer id;private String title;private String summary;private String content;
}

ArticleAndDetailMap

package com.hhb.blog.model.map;import lombok.Data;@Data
public class ArticleAndDetailMap {private Integer id;private String title;private String summary;private String content;
}

ArticleParam

package com.hhb.blog.model.param;import jakarta.validation.constraints.Min;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.constraints.NotNull;
import jakarta.validation.constraints.Size;
import lombok.Data;@Data
public class ArticleParam {//使用JSR303注解public static interface AddArticle{};public static interface EditArticle{};@NotNull(message = "修改時(shí)必須有id",groups = {EditArticle.class})@Min(value = 1,message = "文章id大于{value}",groups = {EditArticle.class})private Integer id;@NotBlank(message = "請(qǐng)輸入文章標(biāo)題",groups = {AddArticle.class,EditArticle.class})@Size(min = 2,max = 20,message = "文章標(biāo)題在{min}-{max}",groups = {AddArticle.class,EditArticle.class})private String title;@NotBlank(message = "請(qǐng)輸入文章副標(biāo)題",groups = {AddArticle.class,EditArticle.class})@Size(min = 10,max=30,message = "文章副標(biāo)題在{min}-{max}",groups = {AddArticle.class,EditArticle.class})private String summary;@NotBlank(message = "請(qǐng)輸入文章內(nèi)容",groups = {AddArticle.class,EditArticle.class})@Size(min = 20,max = 8000,message = "文章內(nèi)容至少{min}字，最多{max}字",groups = {AddArticle.class,EditArticle.class})private String content;}

ArticleDeatilPO

package com.hhb.blog.model.po;import lombok.Data;@Data
public class ArticleDetailPO {private Integer id;private Integer articleId;private String content;
}

ArticlePO

package com.hhb.blog.model.po;import lombok.Data;import java.time.LocalDateTime;@Data
public class ArticlePO {private Integer id;private Integer userId;private String title;private String summary;private Integer readCount;private LocalDateTime createTime;private LocalDateTime updateTime;
}

ArticleVO

package com.hhb.blog.model.po;import lombok.Data;import java.time.LocalDateTime;@Data
public class ArticlePO {private Integer id;private Integer userId;private String title;private String summary;private Integer readCount;private LocalDateTime createTime;private LocalDateTime updateTime;
}

mapper包

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ArticleMapper

package com.hhb.blog.mapper;import com.hhb.blog.model.dto.ArticleDTO;
import com.hhb.blog.model.map.ArticleAndDetailMap;
import com.hhb.blog.model.po.ArticleDetailPO;
import com.hhb.blog.model.po.ArticlePO;
import org.apache.ibatis.annotations.*;import java.util.List;public interface ArticleMapper {//查詢(xún)首頁(yè)需要的文章列表@Select("""select id,user_id ,title,summary, read_count , create_time, update_timefrom articlewhere read_count >= #{lowRead}order by read_count desc limit #{topRead}""")List<ArticlePO> topSortByReadCount(Integer lowRead, Integer topRead);//添加文章@Insert("""insert into article(user_id, title, summary, read_count, create_time, update_time)values(#{userId},#{title},#{summary},#{readCount},#{createTime},#{updateTime})""")//主鍵自增@Options(useGeneratedKeys = true, keyProperty = "id", keyColumn = "id")int insertArticle(ArticlePO articlePO);//添加文章內(nèi)容@Insert("""insert into article_detail(article_id, content) values(#{articleId},#{content})""")int insertArticleDetail(ArticleDetailPO articleDetailPO);//兩表連接,根據(jù)主鍵查詢(xún)文章@Select("""select article.id,title,summary,contentfrom article,article_detailwhere article.id=article_detail.article_id and article_id=#{id}""")ArticleAndDetailMap selectArticleAndDetail(Integer id);//修改文章屬性@Update("""update article set title=#{title},summary=#{summary},update_time=#{updateTime}where id=#{id}""")int updateArticle(ArticlePO articlePO);//更新文章內(nèi)容@Update("""update article_detail set content=#{content} where article_id=#{articleId}""")int updateArticleDetail(ArticleDetailPO articleDetailPO);//刪除文章@Delete("""<script>delete from article where id in <foreach item="id" collection="idList" open="(" separator="," close=")">#{id}</foreach></script>""")int deleteArticle(List<Integer> idList);//刪除文章內(nèi)容@Delete("""<script>delete from article_detail where article_id in <foreach item="id" collection="idList" open="(" separator="," close=")">#{id}</foreach></script>""")int deleteDetail(List<Integer> idList);//根據(jù)id查詢(xún)內(nèi)容@Select("""select id,article_id,content from article_detailwhere article_id = #{articleId}""")ArticleDetailPO selectArticleDetailByArticleId(Integer articleId);
}

service包

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ArticleService

package com.hhb.blog.service;import com.hhb.blog.model.dto.ArticleDTO;
import com.hhb.blog.model.po.ArticlePO;import java.util.List;public interface ArticleService {//獲取首頁(yè)文章列表List<ArticlePO> queryTopArticle();//發(fā)布文章（article,article_detail）boolean addArticle(ArticleDTO articleDTO);//根據(jù)主鍵查詢(xún)文章ArticleDTO queryByArticleId(Integer id);//修改文章屬性和內(nèi)容boolean modifyArticle(ArticleDTO articleDTO);//刪除文章boolean removeArticle(List<Integer> idList);//查詢(xún)文章內(nèi)容前20個(gè)字符String queryTop20Content(Integer id);
}

ArticleServiceImpl

package com.hhb.blog.service.impl;import cn.hutool.core.bean.BeanUtil;
import com.hhb.blog.mapper.ArticleMapper;
import com.hhb.blog.model.dto.ArticleDTO;
import com.hhb.blog.model.map.ArticleAndDetailMap;
import com.hhb.blog.model.po.ArticleDetailPO;
import com.hhb.blog.model.po.ArticlePO;
import com.hhb.blog.service.ArticleService;
import com.hhb.blog.settings.ArticleSettings;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;import java.time.LocalDateTime;
import java.util.List;
import java.util.Random;@Service
@RequiredArgsConstructor
public class ArticleServiceImpl implements ArticleService {private final ArticleMapper articleMapper;private final ArticleSettings articleSettings;//構(gòu)造注入/* public ArticleServiceImpl(ArticleMapper articleMapper) {this.articleMapper = articleMapper;}*/@Overridepublic List<ArticlePO> queryTopArticle() {Integer lowRead = articleSettings.getLowRead();Integer topRead = articleSettings.getTopRead();return articleMapper.topSortByReadCount(lowRead, topRead);}//發(fā)布文章@Transactional(rollbackFor = Exception.class)@Overridepublic boolean addArticle(ArticleDTO articleDTO) {//文章ArticlePO articlePO = new ArticlePO();articlePO.setTitle(articleDTO.getTitle());articlePO.setSummary(articleDTO.getSummary());articlePO.setCreateTime(LocalDateTime.now());articlePO.setUpdateTime(LocalDateTime.now());articlePO.setReadCount(new Random().nextInt(1000));articlePO.setUserId(new Random().nextInt(5000));int addArticle = articleMapper.insertArticle(articlePO);//文章內(nèi)容ArticleDetailPO articleDetailPO = new ArticleDetailPO();articleDetailPO.setArticleId(articlePO.getId());articleDetailPO.setContent(articleDTO.getContent());int addDetail = articleMapper.insertArticleDetail(articleDetailPO);return (addDetail + addArticle) == 2 ? true : false;}@Overridepublic ArticleDTO queryByArticleId(Integer id) {//文章屬性，內(nèi)容ArticleAndDetailMap mapper = articleMapper.selectArticleAndDetail(id);//轉(zhuǎn)為DTO,兩種方式/*ArticleDTO articleDTO = new ArticleDTO();articleDTO.setTitle(mapper.getTitle());articleDTO.setContent(mapper.getContent());articleDTO.setSummary(mapper.getSummary());articleDTO.setId(mapper.getId());*/ArticleDTO articleDTO = BeanUtil.copyProperties(mapper, ArticleDTO.class);return articleDTO;}@Transactional(rollbackFor = Exception.class)@Overridepublic boolean modifyArticle(ArticleDTO articleDTO) {//修改文章屬性ArticlePO articlePO = new ArticlePO();articlePO.setTitle(articleDTO.getTitle());articlePO.setSummary(articleDTO.getSummary());articlePO.setUpdateTime(LocalDateTime.now());articlePO.setId(articleDTO.getId());int article = articleMapper.updateArticle(articlePO);//修改文章內(nèi)容ArticleDetailPO articleDetailPO = new ArticleDetailPO();articleDetailPO.setArticleId(articleDTO.getId());articleDetailPO.setContent(articleDTO.getContent());int detail = articleMapper.updateArticleDetail(articleDetailPO);return (article + detail) == 2 ? true : false;}//刪除文章屬性、內(nèi)容@Transactional(rollbackFor = Exception.class)@Overridepublic boolean removeArticle(List<Integer> idList) {int article = articleMapper.deleteArticle(idList);int detail = articleMapper.deleteDetail(idList);return article == detail ? true : false;}//查詢(xún)文章內(nèi)容前20個(gè)字符@Overridepublic String queryTop20Content(Integer id) {ArticleDetailPO articleDetailPO = articleMapper.selectArticleDetailByArticleId(id);String content = "無(wú)內(nèi)容";if( articleDetailPO != null ){content = articleDetailPO.getContent();if(StringUtils.hasText(content)){//content = content.substring(0, content.length() >= 20 ? 20 : content.length() );content = content.substring(0, 20 );}}return content;}
}

controller包

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ArticleController

package com.hhb.blog.controller;import cn.hutool.core.bean.BeanUtil;
import com.hhb.blog.format.IdType;
import com.hhb.blog.handler.exp.IdTypeException;
import com.hhb.blog.model.dto.ArticleDTO;
import com.hhb.blog.model.param.ArticleParam;
import com.hhb.blog.model.po.ArticlePO;
import com.hhb.blog.model.vo.ArticleVO;
import com.hhb.blog.service.ArticleService;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;import java.util.List;@RequiredArgsConstructor
@Controller
public class ArticleController {private final ArticleService articleService;@GetMapping(value = {"/", "/article/hot"})public String showHotArticle(Model model) {List<ArticlePO> articlePOList = articleService.queryTopArticle();//轉(zhuǎn)為VO  .hutool工具類(lèi)List<ArticleVO> articleVOList = BeanUtil.copyToList(articlePOList, ArticleVO.class);//添加數(shù)據(jù)model.addAttribute("articleList", articleVOList);//視圖return "/blog/articleList";}//發(fā)布新文章@PostMapping("/article/add")//接收對(duì)象類(lèi)型參數(shù)public String addArticle(@Validated(ArticleParam.AddArticle.class) ArticleParam param) {ArticleDTO articleDTO = new ArticleDTO();articleDTO.setContent(param.getContent());articleDTO.setSummary(param.getSummary());articleDTO.setTitle(param.getTitle());boolean add = articleService.addArticle(articleDTO);return "redirect:/article/hot";}//查詢(xún)文章內(nèi)容@GetMapping("/article/get")public String queryById(Integer id, Model model) {if (id != null && id > 0) {ArticleDTO articleDTO = articleService.queryByArticleId(id);//DTO-VOArticleVO articleVO = BeanUtil.copyProperties(articleDTO, ArticleVO.class);//添加數(shù)據(jù)model.addAttribute("article", articleVO);//視圖return "/blog/editArticle";} else {return "/blog/error/error";}}//更新文章@PostMapping("/article/edit")public String modifyArticle(@Validated(ArticleParam.EditArticle.class) ArticleParam param) {/*ArticleDTO articleDTO = new ArticleDTO();articleDTO.setId(param.getId());articleDTO.setTitle(param.getTitle());articleDTO.setSummary(param.getSummary());articleDTO.setContent(param.getContent());*/ArticleDTO articleDTO = BeanUtil.copyProperties(param, ArticleDTO.class);boolean edit = articleService.modifyArticle(articleDTO);return "redirect:/article/hot";}//刪除文章@PostMapping("/article/remove")//public String removeArticle(Integer ids[])public String removeArticle(@RequestParam("ids") IdType idType) {if (idType == null) {throw new IdTypeException("ID為空");}boolean delete = articleService.removeArticle(idType.getIdList());return "redirect:/article/hot";}//預(yù)覽文章@GetMapping("/article/detail/overview")@ResponseBodypublic String queryDetail(Integer id) {String top20Content = "無(wú)ID";if (id != null) {top20Content = articleService.queryTop20Content(id);}return top20Content;}
}

異常處理包

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GlobalExceptionHandler

package com.hhb.blog.handler;import java.util.List;import com.hhb.blog.handler.exp.IdTypeException;
import org.springframework.ui.Model;
import org.springframework.validation.BindException;
import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;@ControllerAdvice
public class GlobalExceptionHandler {//處理JSR303@ExceptionHandler({BindException.class})public String handlerBindException(BindException bindException, Model model) {BindingResult bindingResult = bindException.getBindingResult();List<FieldError> fieldErrors = bindingResult.getFieldErrors();model.addAttribute("errors", fieldErrors);return "/blog/error/bind";}@ExceptionHandler({IdTypeException.class})public String handleIdTypeException(IdTypeException idTypeException, Model model) {model.addAttribute("msg", idTypeException.getMessage());return "/blog/error/error";}@ExceptionHandler({Exception.class})public String handleDefaultException(Exception e, Model model) {model.addAttribute("msg", "請(qǐng)稍后重試！");return "/blog/error/error";}
}

BlogRootException

package com.hhb.blog.handler.exp;public class BlogRootException extends RuntimeException{public BlogRootException() {}public BlogRootException(String message) {super(message);}
}

IdTypeException

package com.hhb.blog.handler.exp;public class IdTypeException extends BlogRootException {public IdTypeException() {}public IdTypeException(String message) {super(message);}
}

數(shù)據(jù)格式化包

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IdType

package com.hhb.blog.format;import lombok.Data;import java.util.List;@Data
public class IdType {private List<Integer> idList;
}

IdTypeFormatter

package com.hhb.blog.format;import org.springframework.format.Formatter;
import org.springframework.util.StringUtils;import java.text.ParseException;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;public class IdTypeFormatter implements Formatter<IdType> {@Overridepublic IdType parse(String text, Locale locale) throws ParseException {IdType idType = null;if (StringUtils.hasText(text)) {List<Integer> ids = new ArrayList<>();for (String id : text.split(",")) {ids.add(Integer.parseInt(id));}idType = new IdType();idType.setIdList(ids);}return idType;}@Overridepublic String print(IdType object, Locale locale) {return null;}
}

設(shè)置包

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ArticleSettings

package com.hhb.blog.settings;import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;@Data
@ConfigurationProperties(prefix = "article")
public class ArticleSettings {private Integer lowRead;private Integer topRead;
}

MvcSettings

package com.hhb.blog.settings;import com.hhb.blog.format.IdTypeFormatter;
import org.springframework.context.annotation.Configuration;
import org.springframework.format.FormatterRegistry;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;@Configuration
public class MvcSettings implements WebMvcConfigurer {@Overridepublic void addViewControllers(ViewControllerRegistry registry) {registry.addViewController("/view/addArticle").setViewName("/blog/addArticle");}@Overridepublic void addFormatters(FormatterRegistry registry) {registry.addFormatter(new IdTypeFormatter());}
}

啟動(dòng)類(lèi)

package com.hhb.blog;import com.hhb.blog.settings.ArticleSettings;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.transaction.annotation.EnableTransactionManagement;@EnableTransactionManagement
@MapperScan(basePackages = "com.hhb.blog.mapper")
@EnableConfigurationProperties({ArticleSettings.class})
@SpringBootApplication
public class Springboot20BlogAdminApplication {public static void main(String[] args) {SpringApplication.run(Springboot20BlogAdminApplication.class, args);}}