基于JavaScript及多语言实现的前后端分离个人博客管理系统设计源码

package com.blog.Servlet; import com.blog.Entry.Category; import com.blog.Service.BlogService; import com.blog.Entry.Blog; import com.blog.Service.CategoryService; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; import java.io.PrintWriter; import java.util.List; @WebServlet("/BlogServlet") public class BlogServlet extends HttpServlet { @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { doPost(req, resp); } @Override protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { String action = req.getParameter("action"); System.out.println(action); switch (action) { case "add": add(req, resp); break; case "upd": update(req, resp); break; case "del": delete(req, resp); break; case "list": getBlogFenYe(req, resp); break; case "title": getBlogByBlogTitle(req, resp); break; case "read": getBlogByBlogReadCount(req, resp); break; case "date": getBlogByBlogDate(req, resp); break; case "datelist": getBlogByBlogDateList(req, resp); break; case "id": getBlogById(req, resp); break; case "categoryid": getBlogByCategoryId(req, resp); break; default: break; } } protected void add(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { resp.addHeader("Access-Control-Allow-Origin", "*"); resp.setContentType("application/json;charset=UTF-8"); PrintWriter out = resp.getWriter(); // String jsonp = req.getParameter("jsonCallback"); BlogService blogService = new BlogService(); String title = req.getParameter("title"); String time = req.getParameter("time"); String summary = req.getParameter("summary"); String imgUrl = req.getParameter("imgUrl"); String content = req.getParameter("content"); String categoryId = req.getParameter("categoryId"); Blog blog = new Blog(); blog.setBlogTitle(title); blog.setBlogDateTime(time); blog.setBlogSummary(summary); blog.setBlogContent(content); blog.setBlogImgUrl(imgUrl); blog.setCategoryId(Integer.parseInt(categoryId)); boolean b = blogService.add(blog); if (b) { // out.println(jsonp + "({\"code\":\"200\",\"message\":\"添加成功\",\"errors\":\"0\"})"); out.println("{\"code\":\"200\",\"message\":\"添加成功\",\"errors\":\"0\"}"); } else { // out.println(jsonp + "({\"code\":\"700\",\"message\":\"服务器不在状态，请稍后再试...\",\"errors\":\"1\"})"); out.println("{\"code\":\"700\",\"message\":\"服务器不在状态，请稍后再试...\",\"errors\":\"1\"}"); } } protected void delete(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { resp.setContentType("application/json;charset=UTF-8"); PrintWriter out = resp.getWriter(); String jsonp = req.getParameter("jsonCallback"); BlogService blogService = new BlogService(); String blogId = req.getParameter("blogId"); boolean b = blogService.delete(blogId); if (b) { out.println(jsonp + "({\"code\":\"200\",\"message\":\"删除成功\",\"errors\":\"0\"})"); } else { out.println(jsonp + "({\"code\":\"700\",\"message\":\"服务器不在状态，请稍后再试...\",\"errors\":\"1\"})"); } } protected void update(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { resp.addHeader("Access-Control-Allow-Origin", "*"); resp.setContentType("application/json;charset=UTF-8"); PrintWriter out = resp.getWriter(); // String jsonp = req.getParameter("jsonCallback"); BlogService blogService = new BlogService(); int blogId = Integer.parseInt(req.getParameter("blogid")); String title = req.getParameter("title"); String time = req.getParameter("time"); String summary = req.getParameter("summary"); String categoryId = req.getParameter("categoryId"); String content = req.getParameter("content"); String imgUrl = req.getParameter("imgUrl"); Blog blog = new Blog(); blog.setBlogId(blogId); blog.setBlogTitle(title); blog.setBlogDateTime(time); blog.setBlogSummary(summary); blog.setBlogContent(content); blog.setBlogImgUrl(imgUrl); blog.setCategoryId(Integer.parseInt(categoryId)); boolean b = blogService.update(blog); if (b) { // out.println(jsonp + "({\"code\":\"200\",\"message\":\"更新成功\",\"errors\":\"0\"})"); out.println("{\"code\":\"200\",\"message\":\"更新成功\",\"errors\":\"0\"}"); } else { // out.println(jsonp + "({\"code\":\"700\",\"message\":\"服务器不在状态，请稍后再试...\",\"errors\":\"1\"})"); out.println("{\"code\":\"700\",\"message\":\"服务器不在状态，请稍后再试...\",\"errors\":\"1\"}"); } } protected void getAllBlog(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { } protected void getBlogById(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { resp.setContentType("application/json;charset=UTF-8"); PrintWriter out = resp.getWriter(); String jsonp = req.getParameter("jsonCallback"); BlogService blogService = new BlogService(); String blogId = req.getParameter("blogid"); Blog blog = blogService.getBlogById(blogId); CategoryService categoryService=new CategoryService(); Category category = categoryService.getCategoryById(blog.getCategoryId()); StringBuffer buffer = new StringBuffer(); buffer.append("{"); buffer.append("\"blogId\":\"" + blog.getBlogId() + "\","); buffer.append("\"blogTitle\":\"" + blog.getBlogTitle() + "\","); buffer.append("\"blogImgUrl\":\"" + blog.getBlogImgUrl() + "\","); buffer.append("\"blogDateTime\":\"" + blog.getBlogDateTime() + "\","); buffer.append("\"blogSummary\":\"" + blog.getBlogSummary() + "\","); buffer.append("\"blogContent\":\"" + blog.getBlogContent() + "\","); buffer.append("\"blogReadCount\":\"" + blog.getBlogReadCount() + "\","); buffer.append("\"commentNum\":\"" + blog.getCommentNum() + "\","); buffer.append("\"categoryId\":\"" + blog.getCategoryId() + "\","); buffer.append("\"categoryName\":\"" + category.getCategoryName() + "\","); buffer.append("\"categoryContent\":\"" + category.getCategoryContent() + "\","); buffer.append("\"blogNum\":\"" + category.getBlogNum() + "\""); buffer.append("}"); out.print(jsonp + "(" + buffer + ")"); } protected void getBlogByCategoryId(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { resp.setContentType("application/json;charset=UTF-8"); PrintWriter out = resp.getWriter(); String jsonp = req.getParameter("jsonCallback"); BlogService blogService = new BlogService(); String categoryId = req.getParameter("categoryid")