文章发布

This commit is contained in:
sjm
2023-07-05 21:34:05 +08:00
parent 283409bd14
commit bfa6d91601
3 changed files with 100 additions and 0 deletions

View File

@@ -137,4 +137,28 @@ public class articleDao {
}
return entity;
}
wen
public boolean insertArticle(int userid,String articleContent,String articleTitle,String articleIco){
Connection conn = null;
PreparedStatement preparedStatement = null;
String sql = "INSERT INTO article(articleId,userId,articleContent,publishTime,isValid,readCount,articleTitle,articleIco)\n" +
" VALUES(NULL,?,?,?,1,0,?,?);";
Date time= new java.sql.Date(new java.util.Date().getTime());
boolean bool = false;
try{
conn = JdbcUtils.getConnection();
preparedStatement = conn.prepareStatement(sql);
preparedStatement.setInt(1,userid);
preparedStatement.setString(2, articleContent);
preparedStatement.setDate(3, time);
preparedStatement.setString(4,articleTitle);
preparedStatement.setString(5, articleIco);
bool = preparedStatement.execute();
JdbcUtils.closeConnection(preparedStatement, conn);
}catch (Exception e){
e.printStackTrace();
}
return bool;
}
}

View File

@@ -81,4 +81,9 @@ public class articleService {
return JSONObject.toJSONString(dataMap);
}
public boolean insertArticle(int userid,String articleContent,String articleTitle,String articleIco){
boolean bool = articleDao.insertArticle(userid, articleContent, articleTitle, articleIco);
return bool;
}
}

View File

@@ -0,0 +1,71 @@
package com.hellogithub.servlet.article;
import com.alibaba.fastjson.JSONObject;
import com.hellogithub.service.UserService;
import com.hellogithub.service.articleService;
import jakarta.servlet.ServletException;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpSession;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
@WebServlet("/articlepublish")
public class ArticlePublish extends HttpServlet {
protected articleService articleservice = new articleService();
private UserService userservice = new UserService();
@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 {
resp.setCharacterEncoding("UTF-8");
// 设置响应头允许ajax跨域访问
String curOrigin = req.getHeader("Origin");
resp.setHeader("Access-Control-Allow-Origin", curOrigin == null ? "true" : curOrigin);
resp.setHeader("Access-Control-Allow-Credentials", "true");
resp.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE, HEAD");
resp.setHeader("Access-Control-Max-Age", "3600");
resp.setHeader("Access-Control-Allow-Headers", "access-control-allow-origin, authority, content-type, version-info, X-Requested-With");
resp.setContentType("application/json;charset=UTF-8");
PrintWriter writer = resp.getWriter();
HttpSession session = req.getSession();
if(session == null){
setResultError("用户未登录", writer);
writer.close();
}else{
String username = req.getParameter("username");
String articlecontent = req.getParameter("articleContent");
String articletitle = req.getParameter("articleTitle");
String articleico = req.getParameter("articleIco");
int userid = userservice.selectIdByName(username);
Boolean bool = articleservice.insertArticle(
userid,articlecontent,articletitle,articleico
);
if(bool == true){
setResultOk("发布成功",writer);
writer.close();
}
}
}
public void setResult(Integer code, String msg, PrintWriter writer) {
HashMap<String, Object> result = new HashMap<>();
result.put("code", code);
result.put("msg", msg);
String jsonString = JSONObject.toJSONString(result);
writer.println(jsonString);
writer.close();
}
public void setResultError(String msg, PrintWriter writer) {
setResult(500, msg, writer);
}
public void setResultOk(String msg, PrintWriter writer) {setResult(200, msg, writer);}
}