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文件添加，后台管理文件添加

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This commit is contained in:
Zhang Liguo
2023-07-11 15:40:30 +08:00
parent 9236b004ff
commit f8bfa63a50
7 changed files with 368 additions and 1 deletions
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64
src/com/hellogithub/dao/fileDao.java
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@@ -1,5 +1,6 @@
package com.hellogithub.dao;
import com.hellogithub.entity.articleEntity;
import com.hellogithub.entity.fileEntity;
import com.hellogithub.utils.JdbcUtils;
import org.apache.commons.dbutils.QueryRunner;
@@ -7,6 +8,8 @@ import org.apache.commons.dbutils.handlers.BeanHandler;
import org.apache.commons.dbutils.handlers.BeanListHandler;
import java.sql.Connection;
import java.sql.Date;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.List;
@@ -55,4 +58,65 @@ public class fileDao {
}
return num;
}
public List<fileEntity> selectAllFile()
{
List<fileEntity> fileEntityList = null ;
try {
Connection conn = JdbcUtils.getConnection();
QueryRunner runner = new QueryRunner();
String sql="select * from onefile";
fileEntityList = runner.query(conn,sql,new BeanListHandler<>(fileEntity.class));
conn.close();
} catch (SQLException e) {
throw new RuntimeException(e);
}
return fileEntityList;
}
public int updateFileDetail(int fileId , int userId , int lookNum,String oneFileName, String language,String description ,int isValid ,String url,String contextFile )
{
int num ;
try {
Connection conn = JdbcUtils.getConnection();
QueryRunner runner = new QueryRunner();
String sql="update onefile set oneFileName = ? , language = ? ,description =?, userId=?, url=?, lookNum=?,Content=?,isValid=? where id =? ";
num = runner.update(conn,sql, oneFileName ,language ,description,userId, url, lookNum ,contextFile ,isValid,fileId);
conn.close();
} catch (SQLException e) {
throw new RuntimeException(e);
}
return num;
}
public int deleteOneFile(int id)
{
int num ;
try {
Connection conn = JdbcUtils.getConnection();
QueryRunner runner = new QueryRunner();
String sql="delete from onefile where id = ?";
num = runner.update(conn,sql,id);
conn.close();
} catch (SQLException e) {
throw new RuntimeException(e);
}
return num;
}
public int insertOneFile(int userId , String oneFileName, String language,String description ,
String url,String contextFile){
int num;
try{
Connection conn = JdbcUtils.getConnection();
QueryRunner runner = new QueryRunner();
String sql = "INSERT INTO onefile(oneFileName,language,description,userId,url,lookNum,Content,isValid) VALUES(?,?,?,?,?,0,?,1);";
int bool = 0;
num = runner.update(conn, sql,oneFileName,language,description,userId,url,contextFile);
conn.close();
}catch (Exception e){
throw new RuntimeException(e);
}
return num;
}
}

14
src/com/hellogithub/service/oneFileService.java
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@@ -42,4 +42,18 @@ public class oneFileService {
return fileEntity;
}
public int addLookCount(int id ){return fileDao.addLookCount(id);}
public int deleteOneFile(int id){return fileDao.deleteOneFile(id);}
public int updateFileDetail(int fileId , int userId , int lookNum,String oneFileName, String language,String description ,int isValid ,String url,String contextFile ){
return fileDao.updateFileDetail(fileId,userId,lookNum,oneFileName,language,description,isValid,url,contextFile);
}
public List<fileEntity> selectAllFile(){
return fileDao.selectAllFile();
}
public int insertOneFile(int userId ,String oneFileName, String language,String description ,
String url,String contextFile){
return fileDao.insertOneFile(userId,oneFileName,language,description,url,contextFile);
}
}

86
src/com/hellogithub/servlet/insertFileByAdminServlet.java Normal file
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@@ -0,0 +1,86 @@
package com.hellogithub.servlet;
import com.alibaba.fastjson.JSONObject;
import com.hellogithub.entity.userEntity;
import com.hellogithub.service.oneFileService;
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 javax.servlet.http.HttpSession;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
@WebServlet("/insertFileByAdmin")
public class insertFileByAdminServlet extends HttpServlet {
oneFileService oneFileService=new oneFileService();
@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");
resp.setContentType("text/html; charset=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");
//插入文件
String oneFileName=req.getParameter("oneFileName");
String language=req.getParameter("language");
String description=req.getParameter("description");
int userId= Integer.parseInt(req.getParameter("userId"));
String Content=req.getParameter("Content");
String url=req.getParameter("url");
PrintWriter writer = resp.getWriter();
HttpSession session =req.getSession();
userEntity userEntity=(userEntity)session.getAttribute("user");
if(userEntity ==null){
setResultError("用户未登录",writer);
}else{
String username=userEntity.getUserName();
int num = oneFileService.insertOneFile(userId,oneFileName,language,description,url,Content);
if(num == 0){
setResultError("添加失败",writer);
}else{
setResultOK("添加成功",writer);
}
}
writer.close();
}
@Override
protected void doDelete(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
super.doDelete(req, resp);
}
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);
}
}

1
src/com/hellogithub/servlet/systemAdmin/AdminLoginServlet.java
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@@ -93,7 +93,6 @@ public class AdminLoginServlet extends HttpServlet {
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);

62
src/com/hellogithub/servlet/systemAdmin/deleteFileByAdminServlet.java Normal file
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@@ -0,0 +1,62 @@
package com.hellogithub.servlet.systemAdmin;
import com.alibaba.fastjson.JSONObject;
import com.hellogithub.service.oneFileService;
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.HashMap;
@WebServlet("/deleteFileByAdmin")
public class deleteFileByAdminServlet extends HttpServlet {
oneFileService oneFileService=new oneFileService();
@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");
resp.setContentType("text/html; charset=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");
String proId = req.getParameter("id");
PrintWriter writer = resp.getWriter();
int num = oneFileService.deleteOneFile(Integer.parseInt(proId));
if(num == 0)
{
setResultError("删除失败",writer);
}
}
@Override
protected void doDelete(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
super.doDelete(req, resp);
}
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);}
}

63
src/com/hellogithub/servlet/systemAdmin/selectAllFileByAdminServlet.java Normal file
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@@ -0,0 +1,63 @@
package com.hellogithub.servlet.systemAdmin;
import com.alibaba.fastjson.JSONObject;
import com.hellogithub.service.oneFileService;
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 javax.servlet.http.HttpSession;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
@WebServlet("/selectAllFileByAdmin")
public class selectAllFileByAdminServlet extends HttpServlet {
oneFileService oneFileService=new oneFileService();
@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");
resp.setContentType("text/html; charset=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();
Object admin = session.getAttribute("admin");
if(admin == null){
setResultError("管理员未登录", writer);
}else{
String jsonString = JSONObject.toJSONString(oneFileService.selectAllFile());
writer.println(jsonString);
}
}
@Override
protected void doDelete(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
super.doDelete(req, resp);
}
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);}
}

79
src/com/hellogithub/servlet/systemAdmin/updateFileByAdminServlet.java Normal file
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@@ -0,0 +1,79 @@
package com.hellogithub.servlet.systemAdmin;
import com.alibaba.fastjson.JSONObject;
import com.hellogithub.service.oneFileService;
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 javax.servlet.http.HttpSession;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Date;
import java.util.HashMap;
@WebServlet("/updateFileByAdmin")
public class updateFileByAdminServlet extends HttpServlet {
oneFileService oneFileService=new oneFileService();
@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");
resp.setContentType("text/html; charset=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();
Object admin =session.getAttribute("admin");
if(admin == null){
setResultError("管理员未登录", writer);
}else{
int fileId = Integer.parseInt(req.getParameter("id"));
int userId = Integer.parseInt(req.getParameter("userId"));
int lookNum= Integer.parseInt(req.getParameter("lookNum"));
String oneFileName=req.getParameter("oneFileName");
String language=req.getParameter("language");
String description =req.getParameter("description");
int isValid = Integer.parseInt(req.getParameter("isValid "));
String url=req.getParameter("url");
String Content=req.getParameter("Content");
int bool = oneFileService.updateFileDetail(fileId,userId,lookNum,oneFileName,language,description,isValid,url,Content);
if(bool == 1){
setResultOk("更新成功",writer);
writer.close();
}else{
setResultError("更新失败", writer);
}
writer.close();
}
}
@Override
protected void doDelete(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
super.doDelete(req, resp);
}
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);}
}