修改bug

src/com/hellogithub/dao/githubDao.java

@@ -28,7 +28,7 @@ public class githubDao {
             PreparedStatement prep = conn.prepareStatement(sql1);
             prep.setInt(1,projectId);
             rs = prep.executeQuery();
-            if(rs == null){
+            if(!rs.next()){
                 connection = JdbcUtils.getConnection();
                 String Sql = "INSERT INTO githubinfo(id,projectId,avatar,name,starImgUrl,starCount,mainLanguage,isActive,subscriber,issues,isOrganization,defaultBranch,forks,protocol,version,isVaild) VALUES(null,?,?,?,?,?,?,?,?,?,?,?,?,?,?,0);";
                 preparedStatement = connection.prepareStatement(Sql);

src/com/hellogithub/dao/projectCategoryDao.java

@@ -14,7 +14,7 @@ public class projectCategoryDao {
         try {
             Connection conn = JdbcUtils.getConnection();
             QueryRunner runner = new QueryRunner();
-            String sql ="INSERT into project_category (userId,projectId) VALUES (?,?)";
+            String sql ="INSERT into project_category (categoryId,projectId) VALUES (?,?)";
             num  = runner.update(conn, sql,userId,projectId);
             conn.close();
         } catch (SQLException e) {

src/com/hellogithub/dao/projectDao.java

@@ -290,7 +290,7 @@ public class projectDao {
             Connection conn = JdbcUtils.getConnection();
             QueryRunner runner = new QueryRunner();
             String sql ="update  project  set fileAddress = ?  where projectName = ?  and isValid = 1";
-            num  = runner.update(conn, sql,projectName,fileAddress);
+            num  = runner.update(conn, sql,fileAddress,projectName);
             conn.close();
         } catch (SQLException e) {
             throw new RuntimeException(e);
@@ -320,7 +320,7 @@ public class projectDao {
             PreparedStatement prep = conn.prepareStatement(sql);
             prep.setString(1, projectName);
             rs = prep.executeQuery();
-            if(rs.wasNull())
+            if(rs.next())
                 return 1;
             else
                 return 0;

src/com/hellogithub/service/projectService.java

@@ -252,22 +252,23 @@ public class projectService {
         String submitTime = format.format(time).toString();
         int categoryId = categoryIdList.get(0);
         int userId = userDao.selectIdByName(username);
-        for(int i=0;i<categoryIdList.size();i++)
-        {
-            int id = categoryIdList.get(i);
-            int num = projectCategoryDao.insertProject(userId,id);
-            if(num == 0 )
-            {
-                flag=0;
-                break;
-            }
-        }
 
         pnum = projectDao.insertProject(userId,projectName,projectUrl,projectIco,projectTitle,projectDescription,submitTime,categoryId);
         if(pnum == 0 )
         {
             flag=0;
         }
+        int proId = projectDao.selectProByProName(projectName).getProjectId();
+        for(int i=0;i<categoryIdList.size();i++)
+        {
+            int id = categoryIdList.get(i);
+            int num = projectCategoryDao.insertProject(id,proId);
+            if(num == 0 )
+            {
+                flag=0;
+                break;
+            }
+        }
         return flag ;
     }
 

src/com/hellogithub/servlet/DownLoadServlet.java

@@ -1,6 +1,7 @@
 package com.hellogithub.servlet;
 
 import com.alibaba.fastjson.JSONObject;
+import com.hellogithub.service.projectService;
 
 import javax.servlet.ServletException;
 import javax.servlet.annotation.WebServlet;
@@ -14,20 +15,23 @@ import java.util.UUID;
 
 @WebServlet("/DownLoad")
 public class DownLoadServlet extends HttpServlet {
-
+    private projectService projectService = new projectService();
 
     public void doGet(HttpServletRequest request, HttpServletResponse response)
             throws ServletException, IOException {
         response.reset();
         response.setContentType("application/x-msdownload;charset=utf-8");
         //得到要下载的文件名
-        String  fileName = request.getParameter("filename");
+        String projectId = request.getParameter("id");
+        String address = projectService.selectProById(projectId).getFileAddress();
+        String[] liss = address.split("\\\\");
+        String fileName = liss[liss.length - 1];
         System.out.println(fileName);
         //本地需要进行转码，linux服务器使用就会出现下载乱码
         //fileName = new String(fileName.getBytes("iso8859-1"),"UTF-8");
 //        System.out.print("转码后"+fileName);
         //上传的文件都是保存在/WEB-INF/upload目录下的子目录当中
-        String fileSaveRootPath=this.getServletContext().getRealPath(File.separator+"WEB-INF"+File.separator+"upload");
+        String fileSaveRootPath = this.getServletContext().getRealPath(File.separator+"WEB-INF"+File.separator+"upload").replace("\\out\\artifacts\\helloGithub_war_exploded\\WEB-INF\\upload","\\web\\projectFile");;
         //通过文件名找出文件的所在目录
         //String path = findFileSavePathByFileName(fileName,fileSaveRootPath);
 //        String path = "/WEB-INF/upload";
@@ -40,18 +44,18 @@ public class DownLoadServlet extends HttpServlet {
         response.setCharacterEncoding("UTF-8");
         request.setCharacterEncoding("UTF-8");
         //如果文件不存在
-        if(!file.exists()){
+        if (!file.exists()) {
-           request.setAttribute("message","wrong");
+            request.setAttribute("message", "wrong");
-            request.getRequestDispatcher("/message.jsp").forward(request,response);
+            request.getRequestDispatcher("/message.jsp").forward(request, response);
             return;
         }
         //处理文件名
-        String realname = fileName.substring(fileName.indexOf("_")+1);
+        String realname = fileName.substring(fileName.indexOf("_") + 1);
         System.out.println(realname);
         //设置响应头，控制浏览器下载该文件
         response.setHeader("content-disposition", "attachment;filename=" + URLEncoder.encode(fileName, "UTF-8"));
         //读取要下载的文件，保存到文件输入流
-        FileInputStream in = new FileInputStream(fileSaveRootPath +File.separator+ fileName);
+        FileInputStream in = new FileInputStream(fileSaveRootPath + File.separator + fileName);
 
         //创建输出流
         OutputStream out = response.getOutputStream();
@@ -60,7 +64,7 @@ public class DownLoadServlet extends HttpServlet {
         byte buffer[] = new byte[1024];
         int len = 100;
         //循环将输入流中的内容读取到缓冲区当中
-        while((len=in.read(buffer))>0){
+        while ((len = in.read(buffer)) > 0) {
             //输出缓冲区的内容到浏览器，实现文件下载
             out.write(buffer, 0, len);
         }
@@ -72,21 +76,21 @@ public class DownLoadServlet extends HttpServlet {
     }
 
     /**
-     * @Method: findFileSavePathByFileName
-     * @Description: 通过文件名和存储上传文件根目录找出要下载的文件的所在路径
-     * @Anthor:
      * @param filename     要下载的文件名
      * @param saveRootPath 上传文件保存的根目录，也就是/WEB-INF/upload目录
      * @return 要下载的文件的存储目录
+     * @Method: findFileSavePathByFileName
+     * @Description: 通过文件名和存储上传文件根目录找出要下载的文件的所在路径
+     * @Anthor:
      */
-    public String findFileSavePathByFileName(String filename,String saveRootPath){
+    public String findFileSavePathByFileName(String filename, String saveRootPath) {
 //        int hashcode = filename.hashCode();
 //        int dir1 = hashcode&0xf;  //0--15
 //        int dir2 = (hashcode&0xf0)>>4;  //0-15
         //String dir = saveRootPath + "\\" + dir1 + "\\" + dir2;  //upload\2\3  upload\3\5
         String dir = saveRootPath;
         File file = new File(dir);
-        if(!file.exists()){
+        if (!file.exists()) {
             //创建目录
             file.mkdirs();
         }

src/com/hellogithub/servlet/commitProjectServlet.java

@@ -13,6 +13,7 @@ import javax.servlet.http.HttpSession;
 import java.io.IOException;
 import java.io.PrintWriter;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
 @WebServlet("/commitProject")
@@ -52,9 +53,19 @@ public class commitProjectServlet extends HttpServlet {
             String projectUrl = req.getParameter("projectUrl");
             String projectTitle = req.getParameter("projectTitle");
             String projectDescription = req.getParameter("projectDescription");
-            String [] categoryIdList = req.getParameterValues("categoryIdList");
+            String categoryIdList = req.getParameter("categoryIdList");
+            String []categoryIdList1 =  categoryIdList.split(",");
+            List<String> categoryIdList2 = Arrays.asList(categoryIdList1);
+
+            System.out.println(username);
+            System.out.println(projectName);
+            System.out.println(projectIco);
+            System.out.println(projectUrl);
+            System.out.println(projectTitle);
+            System.out.println(projectDescription);
+            System.out.println(categoryIdList);
             List<Integer> integers = new ArrayList<>();
-            for (String s : categoryIdList) {
+            for (String s : categoryIdList2) {
                 integers.add(Integer.parseInt(s));
             }
             int flag  = projectService.insertProject(username,projectName,projectUrl,projectIco,projectTitle,projectDescription,integers);

src/com/hellogithub/servlet/selectProjectByPname.java

@@ -35,7 +35,7 @@ public class selectProjectByPname extends HttpServlet {
 
         PrintWriter writer = resp.getWriter();
         String projectName = req.getParameter("projectName");
-        int bool = projectservice.selectProjectByPname("projectName");
+        int bool = projectservice.selectProjectByPname(projectName);
         if(bool == 1){
             setResultError("项目已存在", writer);
         }