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Merge remote-tracking branch 'origin/master'

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sjm
2023-07-02 12:00:51 +08:00
parent 4c9b31b69a eeb72d06b2
commit 5f566ed290
14 changed files with 221 additions and 134 deletions
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44
src/com/hellogithub/dao/categoryDao.java Normal file
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@@ -0,0 +1,44 @@
package com.hellogithub.dao;
import com.hellogithub.entity.categoryEntity;
import com.hellogithub.entity.projectEntity;
import com.hellogithub.utils.JdbcUtils;
import org.apache.commons.dbutils.QueryRunner;
import org.apache.commons.dbutils.handlers.BeanHandler;
import org.apache.commons.dbutils.handlers.BeanListHandler;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.List;
public class categoryDao {
//返回所有标签
public List<categoryEntity> retLabel() {
List<categoryEntity> categoryEntity;
try {
Connection conn = JdbcUtils.getConnection();
QueryRunner runner = new QueryRunner();
String sql = "select * from category ";
categoryEntity = runner.query(conn, sql, new BeanListHandler<>(categoryEntity.class));
conn.close();
} catch (SQLException e) {
throw new RuntimeException(e);
}
return categoryEntity;
}
//发送Id找中文名字
public categoryEntity retNum(int id ) {
categoryEntity categoryEntity;
try {
Connection conn = JdbcUtils.getConnection();
QueryRunner runner = new QueryRunner();
String sql = "select * from category where categoryId=?";
categoryEntity = runner.query(conn, sql, new BeanHandler<>(categoryEntity.class),id);
conn.close();
} catch (SQLException e) {
throw new RuntimeException(e);
}
return categoryEntity;
}
}

22
src/com/hellogithub/dao/projectDao.java
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@@ -41,7 +41,7 @@ public class projectDao {
try {
Connection conn = JdbcUtils.getConnection();
QueryRunner runner = new QueryRunner();
String sql = "select * from project Group BY periodicals DESC limit 1";
String sql = "select * from project Order BY periodicals DESC limit 1";
projectEntity = runner.query(conn, sql, new BeanHandler<>(projectEntity.class));
conn.close();
} catch (SQLException e) {
@@ -54,15 +54,15 @@ public class projectDao {
*
*
*/
public int countAll() {
int count;
public long countAll() {
long count;
projectEntity p;
try {
Connection conn = JdbcUtils.getConnection();
QueryRunner runner = new QueryRunner();
String sql = "select count(*) as projectId from project";
String sql = "select count(*) as num from project";
p = runner.query(conn, sql, new BeanHandler<>(projectEntity.class));
count = p.getProjectId();
count = p.getNum();
conn.close();
} catch (SQLException e) {
throw new RuntimeException(e);
@@ -101,13 +101,13 @@ public class projectDao {
}
return projectEntityList;
}
public List<projectEntity> retSelcetByCate(int cateid){
public List<projectEntity> retSelcetByCate(int cateid,String name){
List<projectEntity> projectEntityList;
try {
Connection conn = JdbcUtils.getConnection();
QueryRunner runner = new QueryRunner();
String sql = "select * from project where projectId in (select projectId from project_category where categoryId=?)";
projectEntityList = runner.query(conn, sql, new BeanListHandler<>(projectEntity.class),cateid);
String sql = "select * from project where projectId in (select projectId from project_category where categoryId in(select categoryId from category where categoryName = ?))";
projectEntityList = runner.query(conn, sql, new BeanListHandler<>(projectEntity.class),name);
conn.close();
} catch (SQLException e) {
throw new RuntimeException(e);
@@ -115,13 +115,13 @@ public class projectDao {
return projectEntityList;
}
public List<projectEntity> retSelcetByStartNum(int cateid){
public List<projectEntity> retSelcetByStartNum(int cateid,String name){
List<projectEntity> projectEntityList;
try {
Connection conn = JdbcUtils.getConnection();
QueryRunner runner = new QueryRunner();
String sql = "select * from project where projectId in (select projectId from project_category where categoryId=?) order by lookCount desc";
projectEntityList = runner.query(conn, sql, new BeanListHandler<>(projectEntity.class),cateid);
String sql = "select * from project where projectId in (select projectId from project_category where categoryId in(select categoryId from category where categoryName = ?)) order by lookCount desc";
projectEntityList = runner.query(conn, sql, new BeanListHandler<>(projectEntity.class),name);
conn.close();
} catch (SQLException e) {
throw new RuntimeException(e);

10
src/com/hellogithub/entity/categoryEntity.java
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@@ -29,4 +29,14 @@ public class categoryEntity {
}
int isValid;
String categoryName;
public String getCategoryName() {
return categoryName;
}
public void setCategoryName(String categoryName) {
this.categoryName = categoryName;
}
}

10
src/com/hellogithub/entity/projectEntity.java
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@@ -141,4 +141,14 @@ public class projectEntity {
public void setCategoryName(String categoryName) {
this.categoryName = categoryName;
}
long num=0;
public long getNum() {
return num;
}
public void setNum(long num) {
this.num = num;
}
}

16
src/com/hellogithub/service/categoryService.java Normal file
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@@ -0,0 +1,16 @@
package com.hellogithub.service;
import com.hellogithub.dao.projectDao;
import com.hellogithub.dao.categoryDao;
import com.hellogithub.entity.categoryEntity;
import java.util.List;
public class categoryService {
private categoryDao categoryDao = new categoryDao();
public List<categoryEntity> retLabel() {return categoryDao.retLabel();}
public categoryEntity retNum(int id ){return categoryDao.retNum(id);}
}

115
src/com/hellogithub/service/projectService.java
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@@ -1,47 +1,30 @@
package com.hellogithub.service;
import com.hellogithub.dao.UserDao;
import com.hellogithub.dao.projectDao;
import com.hellogithub.entity.projectEntity;
import java.util.HashMap;
import java.util.Iterator;
import com.hellogithub.dao.categoryDao;
import com.hellogithub.dao.projectDao;
import com.hellogithub.entity.categoryEntity;
import com.hellogithub.entity.projectEntity;
import java.util.List;
import java.util.Map;
public class projectService {
private projectDao projectDao = new projectDao();
private categoryDao categoryDao = new categoryDao();
/**
* 按照期刊号查询
*
* @param num
*/
public List<projectEntity> retTerm(String num){
Map<Integer,String> dataMap=new HashMap<>();
dataMap.put(1,"C项目");
dataMap.put(2,"C#项目");
dataMap.put(3,"C++项目");
dataMap.put(4,"CSS项目");
dataMap.put(5,"Go项目");
dataMap.put(6,"Java项目");
dataMap.put(7,"Javascript项目");
dataMap.put(8,"Kotlin项目");
dataMap.put(9,"Obejctive-C项目");
dataMap.put(10,"PHP项目");
dataMap.put(11,"Python项目");
dataMap.put(12,"Ruby项目");
dataMap.put(13,"Rust项目");
dataMap.put(14,"Swift项目");
dataMap.put(15,"其他");
dataMap.put(16,"开源书籍");
dataMap.put(17,"机器学习");
List<projectEntity> projectEntityList = projectDao.retTerm(num);
for(int i =0;i<projectEntityList.size();i++)
{
projectEntity projectEntity = projectEntityList.get(i);
projectEntity.setCategoryName(dataMap.get(projectEntity.getCategoryId()));
categoryEntity categoryEntity = categoryDao.retNum(projectEntity.getCategoryId());
projectEntity.setCategoryName(categoryEntity.getCategoryName());
}
return projectDao.retTerm(num);
@@ -59,7 +42,7 @@ public class projectService {
*
*
*/
public int countAll() {return projectDao.countAll();}
public long countAll() {return projectDao.countAll();}
/**
* 按照分类检索项目
*
@@ -69,65 +52,32 @@ public class projectService {
return projectDao.retCate(num);
}
public List<projectEntity> retLatestProject(int cate) {
Map<Integer,String> dataMap=new HashMap<>();
dataMap.put(1,"C项目");
dataMap.put(2,"C#项目");
dataMap.put(3,"C++项目");
dataMap.put(4,"CSS项目");
dataMap.put(5,"Go项目");
dataMap.put(6,"Java项目");
dataMap.put(7,"Javascript项目");
dataMap.put(8,"Kotlin项目");
dataMap.put(9,"Obejctive-C项目");
dataMap.put(10,"PHP项目");
dataMap.put(11,"Python项目");
dataMap.put(12,"Ruby项目");
dataMap.put(13,"Rust项目");
dataMap.put(14,"Swift项目");
dataMap.put(15,"其他");
dataMap.put(16,"开源书籍");
dataMap.put(17,"机器学习");
public List<projectEntity> retLatestProject(int cate,String name) {
List<projectEntity> projectEntityList;
if (cate == 0) {
projectEntityList =projectDao.retLatestProject();
for(int i =0;i<projectEntityList.size();i++)
{
projectEntity projectEntity = projectEntityList.get(i);
projectEntity.setCategoryName(dataMap.get(projectEntity.getCategoryId()));
categoryEntity categoryEntity = categoryDao.retNum(projectEntity.getCategoryId());
projectEntity.setCategoryName(categoryEntity.getCategoryName());
}
} else {
projectEntityList =projectDao.retSelcetByCate(cate);
projectEntityList =projectDao.retSelcetByCate(cate,name);
for(int i =0;i<projectEntityList.size();i++)
{
projectEntity projectEntity = projectEntityList.get(i);
projectEntity.setCategoryName(dataMap.get(projectEntity.getCategoryId()));
categoryEntity categoryEntity = categoryDao.retNum(projectEntity.getCategoryId());
projectEntity.setCategoryName(categoryEntity.getCategoryName());
}
}
return projectEntityList;
}
public List<projectEntity> retSelcetByStar(int cate){
Map<Integer,String> dataMap=new HashMap<>();
dataMap.put(1,"C项目");
dataMap.put(2,"C#项目");
dataMap.put(3,"C++项目");
dataMap.put(4,"CSS项目");
dataMap.put(5,"Go项目");
dataMap.put(6,"Java项目");
dataMap.put(7,"Javascript项目");
dataMap.put(8,"Kotlin项目");
dataMap.put(9,"Obejctive-C项目");
dataMap.put(10,"PHP项目");
dataMap.put(11,"Python项目");
dataMap.put(12,"Ruby项目");
dataMap.put(13,"Rust项目");
dataMap.put(14,"Swift项目");
dataMap.put(15,"其他");
dataMap.put(16,"开源书籍");
dataMap.put(17,"机器学习");
public List<projectEntity> retSelcetByStar(int cate,String name){
List<projectEntity> projectEntityList;
if (cate == 0){
@@ -136,47 +86,32 @@ public class projectService {
{
projectEntity projectEntity = projectEntityList.get(i);
projectEntity.setCategoryName(dataMap.get(projectEntity.getCategoryId()));
categoryEntity categoryEntity = categoryDao.retNum(projectEntity.getCategoryId());
projectEntity.setCategoryName(categoryEntity.getCategoryName());
}
}else {
projectEntityList =projectDao.retSelcetByStartNum(cate);
projectEntityList =projectDao.retSelcetByStartNum(cate,name);
for(int i =0;i<projectEntityList.size();i++)
{
projectEntity projectEntity = projectEntityList.get(i);
projectEntity.setCategoryName(dataMap.get(projectEntity.getCategoryId()));
categoryEntity categoryEntity = categoryDao.retNum(projectEntity.getCategoryId());
projectEntity.setCategoryName(categoryEntity.getCategoryName());
}
}
return projectEntityList;
}
public List<projectEntity> selectByInput(String str){
Map<Integer,String> dataMap=new HashMap<>();
dataMap.put(1,"C项目");
dataMap.put(2,"C#项目");
dataMap.put(3,"C++项目");
dataMap.put(4,"CSS项目");
dataMap.put(5,"Go项目");
dataMap.put(6,"Java项目");
dataMap.put(7,"Javascript项目");
dataMap.put(8,"Kotlin项目");
dataMap.put(9,"Obejctive-C项目");
dataMap.put(10,"PHP项目");
dataMap.put(11,"Python项目");
dataMap.put(12,"Ruby项目");
dataMap.put(13,"Rust项目");
dataMap.put(14,"Swift项目");
dataMap.put(15,"其他");
dataMap.put(16,"开源书籍");
dataMap.put(17,"机器学习");
List<projectEntity> projectEntityList = projectDao.selectByInput(str);
for(int i =0;i<projectEntityList.size();i++)
{
projectEntity projectEntity = projectEntityList.get(i);
projectEntity.setCategoryName(dataMap.get(projectEntity.getCategoryId()));
categoryEntity categoryEntity = categoryDao.retNum(projectEntity.getCategoryId());
projectEntity.setCategoryName(categoryEntity.getCategoryName());
}
return projectEntityList;

4
src/com/hellogithub/servlet/countNumServlet.java
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@@ -12,6 +12,7 @@ import jakarta.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
//项目总数接口
@WebServlet("/countNum")
public class countNumServlet extends HttpServlet {
private projectService projectService=new projectService();
@@ -39,9 +40,10 @@ public class countNumServlet extends HttpServlet {
resp.setContentType("application/json;charset=UTF-8");
PrintWriter writer = resp.getWriter();
String str= "num:"+projectService.countAll();
String str= String.valueOf(projectService.countAll());
String jsonString = JSONObject.toJSONString(str);
writer.println(jsonString);
writer.close();
}
}

9
src/com/hellogithub/servlet/latestServlet.java
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@@ -19,7 +19,7 @@ public class latestServlet extends HttpServlet {
private com.hellogithub.service.projectService projectService=new projectService();
@Override
public void init(ServletConfig config) throws ServletException {
super.init(config);
}
@Override
@@ -42,7 +42,7 @@ public class latestServlet extends HttpServlet {
//返回最新期刊数字
PrintWriter writer = resp.getWriter();
String jsonString = JSONObject.toJSONString(projectService.latestNum());
setResultOK("success",writer);
// setResultOK("success",writer);
writer.println(jsonString);
writer.close();
}
@@ -63,5 +63,10 @@ public class latestServlet extends HttpServlet {
public void setResultOK(String msg, PrintWriter writer) {
setResult(200, msg, writer);
}
@Override
public void destroy() {
super.destroy();
}
}

62
src/com/hellogithub/servlet/retLabelServlet.java Normal file
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@@ -0,0 +1,62 @@
package com.hellogithub.servlet;
import com.alibaba.fastjson.JSONObject;
import com.hellogithub.service.categoryService;
import jakarta.servlet.ServletConfig;
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 java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
@WebServlet("/retLabel")
public class retLabelServlet extends HttpServlet {
private categoryService categoryService=new categoryService();
@Override
public void init(ServletConfig config) throws ServletException {
}
@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();
String jsonString = JSONObject.toJSONString(categoryService.retLabel());
writer.println(jsonString);
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);
}
}

3
src/com/hellogithub/servlet/selectLastByCateServlet.java
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@@ -43,8 +43,9 @@ public class selectLastByCateServlet extends HttpServlet {
resp.setContentType("application/json;charset=UTF-8");
String cate = req.getParameter("num");
String name = req.getParameter("name");
PrintWriter writer = resp.getWriter();
String jsonString = JSONObject.toJSONString(projectService.retLatestProject(Integer.valueOf(cate)));
String jsonString = JSONObject.toJSONString(projectService.retLatestProject(Integer.valueOf(cate),name));
writer.println(jsonString);
writer.close();
}

4
src/com/hellogithub/servlet/selectMostStarServlet.java
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@@ -39,9 +39,9 @@ public class selectMostStarServlet extends HttpServlet {
resp.setContentType("application/json;charset=UTF-8");
String cate = req.getParameter("num");
String name =req.getParameter("name");
PrintWriter writer = resp.getWriter();
String jsonString = JSONObject.toJSONString(projectService.retSelcetByStar(Integer.valueOf(cate)));
String jsonString = JSONObject.toJSONString(projectService.retSelcetByStar(Integer.valueOf(cate), name));
writer.println(jsonString);
writer.close();
}