JavaWeb项目开发案例精粹-第4章博客网站系统-005action层

1.

 package com.sanqing.action;

 import java.util.Date;
 import java.util.Map;

 import com.opensymphony.xwork2.ActionContext;
 import com.opensymphony.xwork2.ActionSupport;
 import com.sanqing.po.Article;
 import com.sanqing.service.ArticleService;

 public class AddArticle extends ActionSupport {
     private String title;
     private String content;
     private ArticleService articleService;

     public ArticleService getArticleService() {
         return articleService;
     }
     public void setArticleService(ArticleService articleService) {
         this.articleService = articleService;
     }
     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 execute() throws Exception {
         Map session = ActionContext.getContext().getSession();
         String username = (String) session.get("username");

         //封装一个PO类的对象
         Article article = new Article();
         article.setTitle(title);
         article.setContent(content);
         article.setUsername(username);
         article.setDate(new Date());
         article.setHasread(0);
         articleService.addArticle(article);
         return this.SUCCESS;
     }
 }

2.

 package com.sanqing.action;

 import java.util.Map;

 import com.opensymphony.xwork2.ActionContext;
 import com.opensymphony.xwork2.ActionSupport;
 import com.sanqing.po.Critique;
 import com.sanqing.service.CritiqueService;

 public class AddCritique extends ActionSupport {
     private CritiqueService critiqueService;
     private int id;
     private String content;

     public int getId() {
         return id;
     }

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

     public String getContent() {
         return content;
     }

     public void setContent(String content) {
         this.content = content;
     }

     public CritiqueService getCritiqueService() {
         return critiqueService;
     }

     public void setCritiqueService(CritiqueService critiqueService) {
         this.critiqueService = critiqueService;
     }

     public String execute() throws Exception {
         Map session = ActionContext.getContext().getSession();
         String username = (String) session.get("username");
         Critique critique = new Critique();
         if(username == null || "".equals(username)) {
             critique.setUsername("匿名");
         } else {
             critique.setUsername(username);
         }
         critique.setAId(id);
         critique.setContent(content);

         // 保存评论
         this.critiqueService.addCritique(critique);

         return this.SUCCESS;
     }

 }

3.EditBlogInfo-validation.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE validators PUBLIC
           "-//OpenSymphony Group//XWork Validator 1.0.2//EN"
           "http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd">
 <validators>
     <validator type="requiredstring">
         <param name="fieldName">blogtitle</param>
         <param name="trim">true</param>
         <message>必须输入博客标题</message>
     </validator>

     <validator type="regex">
         <param name="fieldName">blogtitle</param>
         <param name="expression"><![CDATA[([\u4e00-\u9fa5,a-z,A-Z,0-9]{4,20})]]></param>
         <message>博客标题长度必须为4至20之间</message>
     </validator>

     <validator type="requiredstring">
         <param name="fieldName">idiograph</param>
         <param name="trim">true</param>
         <message>必须输入个性签名</message>
     </validator>

     <validator type="regex">
         <param name="fieldName">idiograph</param>
         <param name="expression"><![CDATA[([\u4e00-\u9fa5,a-z,A-Z,0-9]{4,20})]]></param>
         <message>个性签名长度必须为4至20之间</message>
     </validator>
 </validators>

4.

 package com.sanqing.action;

 import java.util.Map;

 import com.opensymphony.xwork2.ActionContext;
 import com.opensymphony.xwork2.ActionSupport;
 import com.sanqing.po.BlogInfo;
 import com.sanqing.service.BlogInfoService;

 public class EditBlogInfo extends ActionSupport {
     private String blogtitle;
     private String idiograph;
     private BlogInfoService blogInfoService;

     public BlogInfoService getBlogInfoService() {
         return blogInfoService;
     }

     public void setBlogInfoService(BlogInfoService blogInfoService) {
         this.blogInfoService = blogInfoService;
     }

     public String getBlogtitle() {
         return blogtitle;
     }

     public void setBlogtitle(String blogtitle) {
         this.blogtitle = blogtitle;
     }

     public String getIdiograph() {
         return idiograph;
     }

     public void setIdiograph(String idiograph) {
         this.idiograph = idiograph;
     }

     public String execute() throws Exception {
 //        //获得request
 //        HttpServletRequest request = ServletActionContext.getRequest();
 //        //获得session
 //        HttpSession session =request.getSession();
 //        //获得username
 //        String username = (String) session.getAttribute("username");

         Map session = ActionContext.getContext().getSession();
         String username = (String) session.get("username");

         BlogInfo blogInfo = new BlogInfo();
         //设置用户名
         blogInfo.setUsername(username);
         //设置博客标题
         blogInfo.setBlogtitle(blogtitle);
         //设置个性签名
         blogInfo.setIdiograph(idiograph);
         //调用业务逻辑组件来完成设置
         blogInfoService.setBlogInfo(blogInfo);

         return this.SUCCESS;
     }

 }

5.

 package com.sanqing.action;

 import java.util.Map;

 import com.opensymphony.xwork2.ActionContext;
 import com.opensymphony.xwork2.ActionSupport;
 import com.sanqing.po.BlogInfo;
 import com.sanqing.service.BlogInfoService;

 public class GetBlogInfo extends ActionSupport {

     private BlogInfoService blogInfoService;

     public BlogInfoService getBlogInfoService() {
         return blogInfoService;
     }

     public void setBlogInfoService(BlogInfoService blogInfoService) {
         this.blogInfoService = blogInfoService;
     }

     public String execute() throws Exception {
         //获得usrname
         Map session = ActionContext.getContext().getSession();
         String username = (String) session.get("username");

         //通过业务逻辑组件来查询
         BlogInfo bloginfo  = blogInfoService.getBlogInfo(username);

         if(bloginfo != null) {
             session.put("blogtitle", bloginfo.getBlogtitle());
             session.put("idiograph", bloginfo.getIdiograph());
         }
         return this.SUCCESS;
     }
 }

6.

 package com.sanqing.action;

 import java.util.Map;

 import javax.servlet.http.HttpServletRequest;

 import org.apache.struts2.ServletActionContext;

 import com.opensymphony.xwork2.ActionContext;
 import com.opensymphony.xwork2.ActionSupport;
 import com.sanqing.po.User;
 import com.sanqing.service.UserService;

 public class Login extends ActionSupport {
     private String username;
     private String password;
     private UserService userService;

     public UserService getUserService() {
         return userService;
     }

     public void setUserService(UserService userService) {
         this.userService = userService;
     }

     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 execute() throws Exception {
         User user = new User();
         user.setUsername(username);
         user.setPassword(password);
         //获得request
         HttpServletRequest request = ServletActionContext.getRequest();
         if(userService.loginUser(user)) {
             request.setAttribute("url", "user/getBlogInfo.action");
             request.setAttribute("info", "登陆成功");
             //将username保存到session范围中
 //            HttpSession session =request.getSession();
             Map session = ActionContext.getContext().getSession();
 //            session.setAttribute("username", username);
             session.put("username", username);
             return SUCCESS;
         } else {
             request.setAttribute("url", "login.jsp");
             request.setAttribute("info", "登陆失败");
             return ERROR;
         }
     }

 }

7.

 package com.sanqing.action;

 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.util.Map;
 import java.util.UUID;

 import org.apache.commons.io.FilenameUtils;
 import org.apache.struts2.ServletActionContext;

 import com.opensymphony.xwork2.ActionSupport;

 public class PhotoUpload  extends ActionSupport{
     private File myFile;
     private String myFileContentType;
     private String myFileFileName;

     public File getMyFile() {
         return myFile;
     }

     public void setMyFile(File myFile) {
         this.myFile = myFile;
     }

     public String getMyFileContentType() {
         return myFileContentType;
     }

     public void setMyFileContentType(String myFileContentType) {
         this.myFileContentType = myFileContentType;
     }

     public String getMyFileFileName() {
         return myFileFileName;
     }

     public void setMyFileFileName(String myFileFileName) {
         this.myFileFileName = myFileFileName;
     }

     public String execute() throws Exception {
         //获得username
         Map session = ServletActionContext.getContext().getSession();
         String username = (String) session.get("username");

         //创建一个输入流
         InputStream is = new FileInputStream(myFile);
         //设置文件保存目录
         String photoPath =
             ServletActionContext.getServletContext().getRealPath("/user/photo/" + username);
         File filePhotoPath = new File(photoPath);
         if(!filePhotoPath.isDirectory()) {
             filePhotoPath.mkdir();
         }

         //解决中文文件名问题
         String extension = FilenameUtils.getExtension(this.getMyFileFileName());
         String filename = UUID.randomUUID().toString() + "."+ extension;

         //设置目标文件
         File tofile = new File(photoPath,filename);
         //使用输出流来包装目标文件
         OutputStream os = new FileOutputStream(tofile);
         byte[] buffer = new byte[1024];
         int length = 0;
         while((length = is.read(buffer)) > 0) {
             os.write(buffer, 0, length);
         }
         //关闭输入流
         is.close();
         //关闭输出流
         os.close();

         return this.SUCCESS;
     }

 }

8.Register-validation.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE validators PUBLIC
           "-//OpenSymphony Group//XWork Validator 1.0.2//EN"
           "http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd">
 <validators>
     <validator type="requiredstring">
         <param name="fieldName">username</param>
         <param name="trim">true</param>
         <message>必须输入用户名</message>
     </validator>

     <validator type="regex">
         <param name="fieldName">username</param>
         <param name="expression"><![CDATA[(\w{6,20})]]></param>
         <message>用户名长度必须为6至20之间</message>
     </validator>

     <validator type="requiredstring">
         <param name="fieldName">password</param>
         <param name="trim">true</param>
         <message>必须输入密码</message>
     </validator>

     <validator type="regex">
         <param name="fieldName">password</param>
         <param name="expression"><![CDATA[(\w{6,20})]]></param>
         <message>密码长度必须为6至20之间</message>
     </validator>

     <validator type="requiredstring">
         <param name="fieldName">repassword</param>
         <param name="trim">true</param>
         <message>必须输入确认密码</message>
     </validator>

     <validator type="regex">
         <param name="fieldName">repassword</param>
         <param name="expression"><![CDATA[(\w{6,20})]]></param>
         <message>确认密码长度必须为6至20之间</message>
     </validator>

     <validator type="fieldexpression">
         <param name="fieldName">repassword</param>
         <param name="expression"><![CDATA[(repassword==password)]]></param>
         <message>密码和确认密码必须一致</message>
     </validator>

     <validator type="requiredstring">
         <param name="fieldName">nickname</param>
         <param name="trim">true</param>
         <message>必须输入昵称</message>
     </validator>

     <validator type="regex">
         <param name="fieldName">nickname</param>
         <param name="expression"><![CDATA[([\u4e00-\u9fa5]{2,20})]]></param>
         <message>昵称长度必须为2至20之间</message>
     </validator>

         <validator type="requiredstring">
         <param name="fieldName">answer</param>
         <param name="trim">true</param>
         <message>必须输入密码保护答案</message>
     </validator>

     <validator type="regex">
         <param name="fieldName">answer</param>
         <param name="expression"><![CDATA[([\u4e00-\u9fa5]{5,50})]]></param>
         <message>密码保护答案长度必须为5至50之间</message>
     </validator>
 </validators>

9.

 package com.sanqing.action;

 import javax.servlet.http.HttpServletRequest;

 import org.apache.struts2.ServletActionContext;

 import com.opensymphony.xwork2.ActionContext;
 import com.opensymphony.xwork2.ActionSupport;
 import com.sanqing.po.User;
 import com.sanqing.service.UserService;

 public class Register extends ActionSupport{
     private String username;
     private String password;
     private String repassword;
     private String nickname;
     private String question;
     private String answer;
     private UserService userService;

     public UserService getUserService() {
         return userService;
     }
     public void setUserService(UserService userService) {
         this.userService = userService;
     }
     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 getRepassword() {
         return repassword;
     }
     public void setRepassword(String repassword) {
         this.repassword = repassword;
     }
     public String getNickname() {
         return nickname;
     }
     public void setNickname(String nickname) {
         this.nickname = nickname;
     }
     public String getQuestion() {
         return question;
     }
     public void setQuestion(String question) {
         this.question = question;
     }
     public String getAnswer() {
         return answer;
     }
     public void setAnswer(String answer) {
         this.answer = answer;
     }

     public String execute() throws Exception {
         //封装一个user对象
         User user = new User();
         user.setUsername(username);
         user.setPassword(password);
         user.setNickname(nickname);
         user.setQuestion(question);
         user.setAnswer(answer);
         //获得request
         HttpServletRequest request = ServletActionContext.getRequest();
         if(userService.registerUser(user)) {
             request.setAttribute("url", "login.jsp");
             request.setAttribute("info", "注册成功");
             return SUCCESS;
         }else {
             request.setAttribute("url", "register.jsp");
             request.setAttribute("info", "注册失败");
             return ERROR;
         }
     }

 }

10.

 package com.sanqing.action;

 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;

 import javax.servlet.http.HttpServletRequest;

 import org.apache.struts2.ServletActionContext;

 import com.opensymphony.xwork2.ActionContext;
 import com.opensymphony.xwork2.ActionSupport;
 import com.sanqing.fenye.Page;
 import com.sanqing.fenye.Result;
 import com.sanqing.po.Article;
 import com.sanqing.service.ArticleService;

 public class ShowAllArticle extends ActionSupport{
     private ArticleService articleService;
     private int currentPage;

     public int getCurrentPage() {
         return currentPage;
     }
     public void setCurrentPage(int currentPage) {
         this.currentPage = currentPage;
     }
     public ArticleService getArticleService() {
         return articleService;
     }
     public void setArticleService(ArticleService articleService) {
         this.articleService = articleService;
     }

     public String execute() throws Exception {
         //通过调用业务逻辑组件来完成查询
         Page page = new Page();
         page.setCurrentPage(this.getCurrentPage());
         page.setEveryPage(10);

         Result result = articleService.showArticleByPage(page);
         page = result.getPage();
         List<Article> all = result.getList();

         List critiqueCounts = new ArrayList();
         for(Article article : all) {
             critiqueCounts.add(articleService.getCritiqueCount(article.getId()));
         }

         //把查询到的结果保存在一个范围，request
         HttpServletRequest request = ServletActionContext.getRequest();
         request.setAttribute("all", all);
         request.setAttribute("page", page);
         request.setAttribute("critiqueCounts",critiqueCounts);
         return this.SUCCESS;
     }

 }

11.

 package com.sanqing.action;

 import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.Map;

 import javax.servlet.http.HttpServletRequest;

 import org.apache.struts2.ServletActionContext;

 import com.opensymphony.xwork2.ActionContext;
 import com.opensymphony.xwork2.ActionSupport;
 import com.sanqing.fenye.Page;
 import com.sanqing.fenye.Result;
 import com.sanqing.po.Article;
 import com.sanqing.po.BlogInfo;
 import com.sanqing.service.ArticleService;
 import com.sanqing.service.BlogInfoService;
 import com.sanqing.service.CritiqueService;
 import com.sanqing.service.DianjiliangService;

 public class ShowArticle extends ActionSupport {
     // 业务逻辑组件属性
     private ArticleService articleService;
     // id属性
     private int id;
     // 点击量的业务逻辑组件
     private DianjiliangService dianjiliangService;
     // 评论的业务逻辑组件
     private CritiqueService critiqueService;
     //设置当前页
     private int currentPage;

     //username
     private String username;

     private BlogInfoService blogInfoService;

     public BlogInfoService getBlogInfoService() {
         return blogInfoService;
     }

     public void setBlogInfoService(BlogInfoService blogInfoService) {
         this.blogInfoService = blogInfoService;
     }

     public String getUsername() {
         return username;
     }

     public void setUsername(String username) {
         this.username = username;
     }

     public int getCurrentPage() {
         return currentPage;
     }

     public void setCurrentPage(int currentPage) {
         this.currentPage = currentPage;
     }

     public CritiqueService getCritiqueService() {
         return critiqueService;
     }

     public void setCritiqueService(CritiqueService critiqueService) {
         this.critiqueService = critiqueService;
     }

     public DianjiliangService getDianjiliangService() {
         return dianjiliangService;
     }

     public void setDianjiliangService(DianjiliangService dianjiliangService) {
         this.dianjiliangService = dianjiliangService;
     }

     public int getId() {
         return id;
     }

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

     public ArticleService getArticleService() {
         return articleService;
     }

     public void setArticleService(ArticleService articleService) {
         this.articleService = articleService;
     }

     public String execute() throws Exception {
         // 将文章设置到request范围
         HttpServletRequest request = ServletActionContext.getRequest();
         // 按ID查询文章
         Article article = articleService.showArticle(id);
         // 获得用户IP
         String IP = request.getRemoteAddr();
         // 获得当前时间
         SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
         String stime = sdf.format(new Date());
         Date time = sdf.parse(stime);

         if (!dianjiliangService.isVistor(id, IP, time)) {
             // 点击量增加
             article.setHasread(article.getHasread() + 1);
         }
         // 将更新的Article保存到数据表中
         articleService.addArticle(article);

         //显示评论
         Page page = new Page();
         page.setCurrentPage(this.getCurrentPage());
         page.setEveryPage(5);

         Result result = critiqueService.showCritiqueByPage(id, page);

         request.setAttribute("page", result.getPage());
         request.setAttribute("allCri", result.getList());
         request.setAttribute("article", article);

         //取得个性化设置
         //通过业务逻辑组件来查询
         if(username != null || !"".equals(username)) {
             Map session = ActionContext.getContext().getSession();
             BlogInfo bloginfo  = blogInfoService.getBlogInfo(username);
             if(bloginfo != null) {
                 session.put("blogtitle", bloginfo.getBlogtitle());
                 session.put("idiograph", bloginfo.getIdiograph());
             }
         }
         return this.SUCCESS;
     }

 }

12.

 package com.sanqing.action;

 import java.io.File;
 import java.util.Map;

 import javax.servlet.http.HttpServletRequest;

 import org.apache.struts2.ServletActionContext;

 import com.opensymphony.xwork2.ActionSupport;

 public class ShowPhoto  extends ActionSupport{

     public String execute() throws Exception {
         //获得username
         Map session = ServletActionContext.getContext().getSession();
         String username = (String) session.get("username");

         //设置文件目录
         String photoPath =
             ServletActionContext.getServletContext().getRealPath("/user/photo/" + username);
         //使用File封装
         File fphotoPath = new File(photoPath);
         //获得相册目录的所有图片文件
         String[] photoList = fphotoPath.list();
         //将图片列表设置到request范围
         HttpServletRequest request = ServletActionContext.getRequest();
         request.setAttribute("photoList", photoList);
         return super.execute();
     }

 }

13

 package com.sanqing.action;

 import java.util.List;

 import org.apache.struts2.ServletActionContext;

 import com.opensymphony.xwork2.ActionSupport;
 import com.sanqing.fenye.Page;
 import com.sanqing.fenye.Result;
 import com.sanqing.po.Article;
 import com.sanqing.rss.CreateRss;
 import com.sanqing.service.ArticleService;

 public class ShowRSS extends ActionSupport {
     private ArticleService articleService;
     public ArticleService getArticleService() {
         return articleService;
     }
     public void setArticleService(ArticleService articleService) {
         this.articleService = articleService;
     }
     public String execute() throws Exception {
         Page page = new Page();        //分页信息
         page.setCurrentPage(0);        //设置当前页为第一页
         page.setEveryPage(10);        //每页显示10条记录
         Result result = articleService.
             showArticleByPage(page);//通过调用业务逻辑组件来完成查询
         page = result.getPage();
         List<Article> all = result.getList();//获得文章结果集
         String filePath = ServletActionContext.
             getServletContext().getRealPath("/rss.xml");//设置订阅文件地址
         CreateRss.publishRss(all, filePath);//写入订阅文件
         return this.SUCCESS;
     }
 }

14.

 package com.sanqing.action;

 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;

 import javax.servlet.http.HttpServletRequest;

 import org.apache.struts2.ServletActionContext;

 import com.opensymphony.xwork2.ActionContext;
 import com.opensymphony.xwork2.ActionSupport;
 import com.sanqing.fenye.Page;
 import com.sanqing.fenye.Result;
 import com.sanqing.po.Article;
 import com.sanqing.service.ArticleService;

 public class ShowUserAllArticle extends ActionSupport{
     private ArticleService articleService;
     private int currentPage;
     private String username;

     public String getUsername() {
         return username;
     }
     public void setUsername(String username) {
         this.username = username;
     }
     public int getCurrentPage() {
         return currentPage;
     }
     public void setCurrentPage(int currentPage) {
         this.currentPage = currentPage;
     }
     public ArticleService getArticleService() {
         return articleService;
     }
     public void setArticleService(ArticleService articleService) {
         this.articleService = articleService;
     }

     public String execute() throws Exception {
         if(username == null || "".equals(username)) {
             //首先要获得session
             Map session = ActionContext.getContext().getSession();
             //获得username
             username = (String) session.get("username");
         }

         //通过调用业务逻辑组件来完成查询
         Page page = new Page();
         page.setCurrentPage(this.getCurrentPage());
         page.setEveryPage(5);

         Result result = articleService.showUserArticleByPage(username, page);
         page = result.getPage();
         List<Article> all = result.getList();
         List critiqueCounts = new ArrayList();

         for(Article article : all) {
             critiqueCounts.add(articleService.getCritiqueCount(article.getId()));
         }

         //把查询到的结果保存在一个范围，request
         HttpServletRequest request = ServletActionContext.getRequest();
         request.setAttribute("all", all);
         request.setAttribute("page", page);
         request.setAttribute("critiqueCounts",critiqueCounts);
         return this.SUCCESS;
     }

 }