微信小程序|Springboot+Vue+Node开发实现医疗预约挂号系统
Posted 编程指南针
tags:
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作者主页：编程指南针
作者简介：Java领域优质创作者、CSDN博客专家 、掘金特邀作者、多年架构师设计经验、腾讯课堂常驻讲师
主要内容：Java项目、毕业设计、简历模板、学习资料、面试题库、技术互助
文末获取源码
项目编号：BS-XCX-007
前言：
中国人口众多，医疗资源匮乏，人们就医难从建国开始就一直存在，如何使医疗资源能惠及大众，让老百姓们享受医疗资源更加的公平，也是政府管理者一直在思考解决的问题。解决公平问题，一是要靠制度，二是要靠技术。目前在医疗领域普遍应用的信息化技术手段，就可有效的辅助解决医疗资源有效利用的问题。比如目前医院一号难求的局面，如何更加公平的解决，从而遏制黄牛倒号党的产生，并且更加有利于群众挂号治病。在线预约挂号系统可以在这方面起到非常积极的作用，通过患者注册账号，一个身份证只能挂一个号，人证对照，接诊时必须是本人就诊才可以实现看病就医，一是方便群众在家就可以远程挂号预约时间，二是也可有效的解决就医公平问题。
一，项目简介
本项目基本UNI-APP前端框架开发，后台基于Springboot+Vue开发实现，完成了一个在线预约挂号系统，系统的使用角色有三个：管理员、患者、医生。
患者的主要功能：
- 注册登陆
- 查看资讯信息：对信息进行点赞、收藏、评论
- 查看医院的挂号大厅：可以对医生进行点赞评论，在线预约挂号
- 个人中心:管理个人信息，查看预约信息列表，取消预约信息，修改预约信息等操作
医生的主要功能：
- 登陆
- 查看资讯信息：对信息进行点赞、收藏、评论
- 查看医院的挂号大厅：可以对发布的挂号信息进行查看等
- 个人中心:管理个人信息，查看预约信息列表等操作
管理员的主要功能：
- 登陆系统
- 轮播图管理
- 公告信息管理
- 用户管理：管理员管理、普通用户管理、医生用户
- 内容管理：资讯信息管理、资读分类管理
- 挂号大厅：发布挂号信息
- 挂号信息查看及修改
- 查看己取消的挂号信息
二，环境介绍
语言环境：Java: jdk1.8
数据库：mysql: mysql5.7
应用服务器：Tomcat: tomcat8.5.31
开发工具：IDEA、HbuilderX、微信开发者工具
开发技术：后台开发Springboot+Mybatis
前台开发：UNI-APP和微信小程序
三，系统展示
前端用户注册登陆
前台首页面
资读列表
文章详情
文章评论
个人中心
挂号大厅
预约挂号
我的预约
我的收藏
微信小程序
后台管理界面
基本统计
轮播图管理
公告栏管理
用户管理
资讯管理
资读分类管理
挂号大厅：发布预约挂号信息
挂号信息管理
己取消的挂号信息
四，核心代码展示
package com.project.demo.service.base;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.project.demo.constant.FindConfig;
import lombok.extern.slf4j.Slf4j;
import org.apache.poi.hssf.usermodel.*;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.multipart.MultipartFile;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import javax.servlet.http.HttpServletRequest;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.lang.reflect.ParameterizedType;
import java.net.URLDecoder;
import java.security.MessageDigest;
import java.util.*;
/**
*/
@Slf4j
public class BaseService <E>
@Autowired
@PersistenceContext
private EntityManager entityManager;
Class<E> eClass = (Class<E>)((ParameterizedType)getClass().getGenericSuperclass()).getActualTypeArguments()[0];
private final String table = humpToLine(eClass.getSimpleName());
public Query runEntitySql(String sql)
return entityManager.createNativeQuery(sql, eClass);
public Query runCountSql(String sql)
return entityManager.createNativeQuery(sql);
public void insert(Map<String,Object> body)
StringBuffer sql = new StringBuffer("INSERT INTO ");
sql.append("`").append(table).append("`").append(" (");
for (Map.Entry<String,Object> entry:body.entrySet())
sql.append("`"+humpToLine(entry.getKey())+"`").append(",");
sql.deleteCharAt(sql.length()-1);
sql.append(") VALUES (");
for (Map.Entry<String,Object> entry:body.entrySet())
Object value = entry.getValue();
if (value instanceof String)
sql.append("'").append(entry.getValue()).append("'").append(",");
else
sql.append(entry.getValue()).append(",");
sql.deleteCharAt(sql.length() - 1);
sql.append(")");
log.info("[] - 插入操作：",table,sql);
Query query = runCountSql(sql.toString());
query.executeUpdate();
@Transactional
public void update(Map<String,String> query,Map<String,String> config,Map<String,Object> body)
StringBuffer sql = new StringBuffer("UPDATE ").append("`").append(table).append("`").append(" SET ");
for (Map.Entry<String,Object> entry:body.entrySet())
Object value = entry.getValue();
if (value instanceof String)
sql.append("`"+humpToLine(entry.getKey())+"`").append("=").append("'").append(value).append("'").append(",");
else
sql.append("`"+humpToLine(entry.getKey())+"`").append("=").append(value).append(",");
sql.deleteCharAt(sql.length()-1);
sql.append(toWhereSql(query,"0".equals(config.get(FindConfig.LIKE))));
// sql.append(";");
log.info("[] - 更新操作：",table,sql);
Query query1 = runCountSql(sql.toString());
query1.executeUpdate();
public Map<String,Object> selectToPage(Map<String,String> query,Map<String,String> config)
Query select = select(query, config);
Map<String,Object> map = new HashMap<>();
map.put("list",select.getResultList());
map.put("count",count(query,config).getSingleResult());
return map;
public Map<String,Object> selectToList(Map<String,String> query,Map<String,String> config)
Query select = selectGroupCount(query, config);
Map<String,Object> map = new HashMap<>();
map.put("list",select.getResultList());
return map;
public Map<String,Object> selectBarGroup(Map<String,String> query,Map<String,String> config)
Query select = barGroup(query, config);
Map<String,Object> map = new HashMap<>();
map.put("list",select.getResultList());
return map;
public Query barGroup(Map<String,String> query,Map<String,String> config)
StringBuffer sql = new StringBuffer(" SELECT ");
if (config.get(FindConfig.GROUP_BY) != null && !"".equals(config.get(FindConfig.GROUP_BY)))
sql.append(config.get(FindConfig.GROUP_BY));
if (config.get(FindConfig.FIELD) != null && !"".equals(config.get(FindConfig.FIELD)))
String[] fieldList = config.get(FindConfig.FIELD).split(",");
for (int i=0;i<fieldList.length;i++)
sql.append(" ,SUM(").append(fieldList[i]).append(")");
sql.append(" FROM ").append("`").append(table).append("`");
sql.append(toWhereSql(query, "0".equals(config.get(FindConfig.LIKE))));
sql.append(" ").append("GROUP BY ").append(config.get(FindConfig.GROUP_BY));
else
sql.append(" SUM(").append(config.get(FindConfig.GROUP_BY)).append(") FROM ").append("`").append(table).append("`");
sql.append(toWhereSql(query, "0".equals(config.get(FindConfig.LIKE))));
log.info("[] - 查询操作，sql: ",table,sql);
return runCountSql(sql.toString());
public Query selectGroupCount(Map<String,String> query,Map<String,String> config)
StringBuffer sql = new StringBuffer("select COUNT(*) AS count_value, ");
sql.append(config.get(FindConfig.GROUP_BY)).append(" ");
sql.append("from ").append("`").append(table).append("` ");
sql.append(toWhereSql(query, "0".equals(config.get(FindConfig.LIKE))));
if (config.get(FindConfig.GROUP_BY) != null && !"".equals(config.get(FindConfig.GROUP_BY)))
sql.append("group by ").append(config.get(FindConfig.GROUP_BY)).append(" ");
log.info("[] - 查询操作，sql: ",table,sql);
return runCountSql(sql.toString());
public Query select(Map<String,String> query,Map<String,String> config)
StringBuffer sql = new StringBuffer("select ");
sql.append(config.get(FindConfig.FIELD) == null || "".equals(config.get(FindConfig.FIELD)) ? "*" : config.get(FindConfig.FIELD)).append(" ");
sql.append("from ").append("`").append(table).append("`").append(toWhereSql(query, "0".equals(config.get(FindConfig.LIKE))));
if (config.get(FindConfig.GROUP_BY) != null && !"".equals(config.get(FindConfig.GROUP_BY)))
sql.append("group by ").append(config.get(FindConfig.GROUP_BY)).append(" ");
if (config.get(FindConfig.ORDER_BY) != null && !"".equals(config.get(FindConfig.ORDER_BY)))
sql.append("order by ").append(config.get(FindConfig.ORDER_BY)).append(" ");
if (config.get(FindConfig.PAGE) != null && !"".equals(config.get(FindConfig.PAGE)))
int page = config.get(FindConfig.PAGE) != null && !"".equals(config.get(FindConfig.PAGE)) ? Integer.parseInt(config.get(FindConfig.PAGE)) : 1;
int limit = config.get(FindConfig.SIZE) != null && !"".equals(config.get(FindConfig.SIZE)) ? Integer.parseInt(config.get(FindConfig.SIZE)) : 10;
sql.append(" limit ").append( (page-1)*limit ).append(" , ").append(limit);
log.info("[] - 查询操作，sql: ",table,sql);
return runEntitySql(sql.toString());
@Transactional
public void delete(Map<String,String> query,Map<String,String> config)
StringBuffer sql = new StringBuffer("DELETE FROM ").append("`").append(table).append("`").append(" ");
sql.append(toWhereSql(query, "0".equals(config.get(FindConfig.GROUP_BY))));
log.info("[] - 删除操作：",table,sql);
Query query1 = runCountSql(sql.toString());
query1.executeUpdate();
public Query count(Map<String,String> query,Map<String,String> config)
StringBuffer sql = new StringBuffer("SELECT ");
// log.info("拼接统计函数前");
if (config.get(FindConfig.GROUP_BY) != null && !"".equals(config.get(FindConfig.GROUP_BY)))
sql.append(config.get(FindConfig.GROUP_BY)).append(" ,COUNT(").append(config.get(FindConfig.GROUP_BY)).append(") FROM ").append("`").append(table).append("`");
sql.append(toWhereSql(query, "0".equals(config.get(FindConfig.LIKE))));
// sql.append(" ").append("GROUP BY ").append(config.get(FindConfig.GROUP_BY));
else
sql.append("COUNT(*) FROM ").append("`").append(table).append("`");
sql.append(toWhereSql(query, "0".equals(config.get(FindConfig.LIKE))));
log.info("[] - 统计操作，sql: ",table,sql);
return runCountSql(sql.toString());
public Query sum(Map<String,String> query,Map<String,String> config)
StringBuffer sql = new StringBuffer(" SELECT ");
if (config.get(FindConfig.GROUP_BY) != null && !"".equals(config.get(FindConfig.GROUP_BY)))
sql.append(config.get(FindConfig.GROUP_BY)).append(" ,SUM(").append(config.get(FindConfig.FIELD)).append(") FROM ").append("`").append(table).append("`");
sql.append(toWhereSql(query, "0".equals(config.get(FindConfig.LIKE))));
sql.append(" ").append("GROUP BY ").append(config.get(FindConfig.GROUP_BY));
else
sql.append(" SUM(").append(config.get(FindConfig.FIELD)).append(") FROM ").append("`").append(table).append("`");
sql.append(toWhereSql(query, "0".equals(config.get(FindConfig.LIKE))));
log.info("[] - 查询操作，sql: ",table,sql);
return runCountSql(sql.toString());
public Query avg(Map<String,String> query,Map<String,String> config)
StringBuffer sql = new StringBuffer(" SELECT ");
if (config.get(FindConfig.GROUP_BY) != null && !"".equals(config.get(FindConfig.GROUP_BY)))
sql.append(config.get(FindConfig.GROUP_BY)).append(" ,AVG(").append(config.get(FindConfig.FIELD)).append(") FROM ").append("`").append(table).append("`");
sql.append(toWhereSql(query, "0".equals(config.get(FindConfig.LIKE))));
sql.append(" ").append("GROUP BY ").append(config.get(FindConfig.GROUP_BY));
else
sql.append(" AVG(").append(config.get(FindConfig.FIELD)).append(") FROM ").append("`").append(table).append("`");
sql.append(toWhereSql(query, "0".equals(config.get(FindConfig.LIKE))));
log.info("[] - 查询操作，sql: ",table,sql);
return runCountSql(sql.toString());
public String toWhereSql(Map<String,String> query, Boolean like)
if (query.size() > 0)
try
StringBuilder sql = new StringBuilder(" WHERE ");
for (Map.Entry<String, String> entry : query.entrySet())
if (entry.getKey().contains(FindConfig.MIN_))
String min = humpToLine(entry.getKey()).replace("_min", "");
sql.append("`"+min+"`").append(" >= '").append(URLDecoder.decode(entry.getValue(), "UTF-8")).append("' and ");
continue;
if (entry.getKey().contains(FindConfig.MAX_))
String max = humpToLine(entry.getKey()).replace("_max", "");
sql.append("`"+max+"`").append(" <= '").append(URLDecoder.decode(entry.getValue(), "UTF-8")).append("' and ");
continue;
if (like == true)
sql.append("`"+humpToLine(entry.getKey())+"`").append(" LIKE '%").append(URLDecoder.decode(entry.getValue(), "UTF-8")).append("%'").append(" and ");
else
sql.append("`"+humpToLine(entry.getKey())+"`").append(" = '").append(URLDecoder.decode(entry.getValue(), "UTF-8")).append("'").append(" and ");
sql.delete(sql.length() - 4, sql.length());
sql.append(" ");
return sql.toString();
catch (UnsupportedEncodingException e)
log.info("拼接sql 失败：", e.getMessage());
return "";
public Map<String,Object> readBody(BufferedReader reader)
BufferedReader br = null;
StringBuilder sb = new StringBuilder("");
try
br = reader;
String str;
while ((str = br.readLine()) != null)
sb.append(str);
br.close();
String json = sb.toString();
return JSONObject.parseObject(json, Map.class);
catch (IOException e)
e.printStackTrace();
finally
if (null != br)
try
br.close();
catch (IOException e)
e.printStackTrace();
return null;
public Map<String,String> readQuery(HttpServletRequest request)
String queryString = request.getQueryString();
if (queryString != null && !"".equals(queryString))
String[] querys = queryString.split("&");
Map<String, String> map = new HashMap<>();
for (String query : querys)
String[] q = query.split("=");
map.put(q[0], q[1]);
map.remove(FindConfig.PAGE);
map.remove(FindConfig.SIZE);
map.remove(FindConfig.LIKE);
map.remove(FindConfig.ORDER_BY);
map.remove(FindConfig.FIELD);
map.remove(FindConfig.GROUP_BY);
map.remove(FindConfig.MAX_);
map.remove(FindConfig.MIN_);
return map;
else
return new HashMap<>();
public Map<String,String> readConfig(HttpServletRequest request)
Map<String,String> map = new HashMap<>();
map.put(FindConfig.PAGE,request.getParameter(FindConfig.PAGE));
map.put(FindConfig.SIZE,request.getParameter(FindConfig.SIZE));
map.put(FindConfig.LIKE,request.getParameter(FindConfig.LIKE));
map.put(FindConfig.ORDER_BY,request.getParameter(FindConfig.ORDER_BY));
map.put(FindConfig.FIELD,request.getParameter(FindConfig.FIELD));
map.put(FindConfig.GROUP_BY,request.getParameter(FindConfig.GROUP_BY));
map.put(FindConfig.MAX_,request.getParameter(FindConfig.MAX_));
map.put(FindConfig.MIN_,request.getParameter(FindConfig.MIN_));
return map;
public void importDb(MultipartFile file) throws IOException
if (file.isEmpty())
return;
List<Map<String,String>> body = new ArrayList<>();
String fileName = file.getOriginalFilename();
if (fileName == null)
return;
String suffix = fileName.substring(fileName.lastIndexOf(".")+1);
InputStream ins = file.getInputStream();
Workbook wb = null;
if(suffix.equals("xlsx"))
wb = new XSSFWorkbook(ins);
else
wb = new HSSFWorkbook(ins);
Sheet sheet = wb.getSheetAt(0);
if(null != sheet)
for(int line = 0; line <= sheet.getLastRowNum();line++)
Row row = sheet.getRow(line);
if(null == row)
continue;
Iterator<Cell> cellIterator = row.cellIterator();
StringBuffer sql = new StringBuffer("INSERT INTO ").append(table).append(" VALUES (null,");
while (cellIterator.hasNext())
sql.append(cellIterator.next().getStringCellValue()).append(",");
sql.deleteCharAt(sql.length());
sql.append(")");
runCountSql(sql.toString());
public HSSFWorkbook exportDb(Map<String,String> query,Map<String,String> config)
Query select = select(query, config);
List<Map<String,String>> resultList = select.getResultList();
HSSFWorkbook workbook = new HSSFWorkbook();
HSSFSheet sheet = workbook.createSheet(table);
HSSFCellStyle headerStyle = workbook.createCellStyle();
headerStyle.setFillForegroundColor(IndexedColors.YELLOW.index);
headerStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);
for (int i = 0; i < resultList.size(); i++)
HSSFRow row = sheet.createRow(i);
Map<String,String> map = resultList.get(i);
int j = 0;
for (Map.Entry<String,String> entry:map.entrySet())
row.createCell(j).setCellValue(new HSSFRichTextString(entry.getValue()));
return workbook;
@Transactional
public void save(E e)
String s = JSONObject.toJSONString(e);
Map map = JSONObject.parseObject(s, Map.class);
insert(map);
public E findOne(Map<String, String> map)
try
Query select = select(map, new HashMap<>());
return (E) select.getSingleResult();
catch (Exception e)
return null;
public String encryption(String plainText)
String re_md5 = new String();
try
MessageDigest md = MessageDigest.getInstance("MD5");
md.update(plainText.getBytes());
byte b[] = md.digest();
int i;
StringBuffer buf = new StringBuffer("");
for (int offset = 0; offset < b.length; offset++)
i = b[offset];
if (i < 0)
i += 256;
if (i < 16)
buf.append("0");
buf.append(Integer.toHexString(i));
re_md5 = buf.toString();
catch (Exception e)
e.printStackTrace();
return re_md5;
public static String humpToLine(String str)
if (str == null)
return null;
// 将驼峰字符串转换成数组
char[] charArray = str.toCharArray();
StringBuilder buffer = new StringBuilder();
//处理字符串
for (int i = 0, l = charArray.length; i < l; i++)
if (charArray[i] >= 65 && charArray[i] <= 90)
buffer.append("_").append(charArray[i] += 32);
else
buffer.append(charArray[i]);
String s = buffer.toString();
if (s.startsWith("_"))
return s.substring(1);
else
return s;
public JSONObject covertObject(JSONObject object)
if (object == null)
return null;
JSONObject newObject = new JSONObject();
Set<String> set = object.keySet();
for (String key : set)
Object value = object.get(key);
if (value instanceof JSONArray)
//数组
value = covertArray(object.getJSONArray(key));
else if (value instanceof JSONObject)
//对象
value = covertObject(object.getJSONObject(key));
//这个方法自己写的改成下划线
key = humpToLine(key);
newObject.put(key, value);
return newObject;
public JSONArray covertArray(JSONArray array)
if (array == null)
return null;
JSONArray newArray = new JSONArray();
for (int i = 0; i < array.size(); i++)
Object value = array.get(i);
if (value instanceof JSONArray)
//数组
value = covertArray(array.getJSONArray(i));
else if (value instanceof JSONObject)
//对象
value = covertObject(array.getJSONObject(i));
newArray.add(value);
return newArray;
public static void main(String[] args)
BaseService baseService = new BaseService();
System.out.println(baseService.encryption("123456"));
package com.project.demo.controller.base;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.project.demo.service.base.BaseService;
import lombok.Setter;
import lombok.extern.slf4j.Slf4j;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.MultipartFile;
import javax.persistence.Query;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
*/
@Slf4j
public class BaseController<E, S extends BaseService<E>>
@Setter
protected S service;
@PostMapping("/add")
@Transactional
public Map<String, Object> add(HttpServletRequest request) throws IOException
service.insert(service.readBody(request.getReader()));
return success(1);
@Transactional
public Map<String, Object> addMap(Map<String,Object> map)
service.insert(map);
return success(1);
@PostMapping("/set")
@Transactional
public Map<String, Object> set(HttpServletRequest request) throws IOException
service.update(service.readQuery(request), service.readConfig(request), service.readBody(request.getReader()));
return success(1);
@RequestMapping(value = "/del")
@Transactional
public Map<String, Object> del(HttpServletRequest request)
service.delete(service.readQuery(request), service.readConfig(request));
return success(1);
@RequestMapping("/get_obj")
public Map<String, Object> obj(HttpServletRequest request)
Query select = service.select(service.readQuery(request), service.readConfig(request));
List resultList = select.getResultList();
if (resultList.size() > 0)
JSONObject jsonObject = new JSONObject();
jsonObject.put("obj",resultList.get(0));
return success(jsonObject);
else
return success(null);
@RequestMapping("/get_list")
public Map<String, Object> getList(HttpServletRequest request)
Map<String, Object> map = service.selectToPage(service.readQuery(request), service.readConfig(request));
return success(map);
@RequestMapping("/list_group")
public Map<String, Object> listGroup(HttpServletRequest request)
Map<String, Object> map = service.selectToList(service.readQuery(request), service.readConfig(request));
return success(map);
@RequestMapping("/bar_group")
public Map<String, Object> barGroup(HttpServletRequest request)
Map<String, Object> map = service.selectBarGroup(service.readQuery(request), service.readConfig(request));
return success(map);
@RequestMapping(value = "/count_group", "/count")
public Map<String, Object> count(HttpServletRequest request)
Query count = service.count(service.readQuery(request), service.readConfig(request));
return success(count.getResultList());
@RequestMapping(value = "/sum_group", "/sum")
public Map<String, Object> sum(HttpServletRequest request)
Query count = service.sum(service.readQuery(request), service.readConfig(request));
return success(count.getResultList());
@RequestMapping(value = "/avg_group", "/avg")
public Map<String, Object> avg(HttpServletRequest request)
Query count = service.avg(service.readQuery(request), service.readConfig(request));
return success(count.getResultList());
@PostMapping("/upload")
public Map<String, Object> upload(@RequestParam("file") MultipartFile file)
log.info("进入方法");
if (file.isEmpty())
return error(30000, "没有选择文件");
try
//判断有没路径，没有则创建
String filePath = System.getProperty("user.dir") + "\\\\target\\\\classes\\\\static\\\\upload\\\\";
File targetDir = new File(filePath);
if (!targetDir.exists() && !targetDir.isDirectory())
if (targetDir.mkdirs())
log.info("创建目录成功");
else
log.error("创建目录失败");
// String path = ResourceUtils.getURL("classpath:").getPath() + "static/upload/";
// String filePath = path.replace('/', '\\\\').substring(1, path.length());
String fileName = file.getOriginalFilename();
File dest = new File(filePath + fileName);
log.info("文件路径:", dest.getPath());
log.info("文件名:", dest.getName());
file.transferTo(dest);
JSONObject jsonObject = new JSONObject();
jsonObject.put("url", "/api/upload/" + fileName);
return success(jsonObject);
catch (IOException e)
log.info("上传失败：", e.getMessage());
return error(30000, "上传失败");
@PostMapping("/import_db")
public Map<String, Object> importDb(@RequestParam("file") MultipartFile file) throws IOException
service.importDb(file);
return success(1);
@RequestMapping("/export_db")
public void exportDb(HttpServletRequest request, HttpServletResponse response) throws IOException
HSSFWorkbook sheets = service.exportDb(service.readQuery(request), service.readConfig(request));
response.setContentType("application/octet-stream");
response.setHeader("Content-disposition", "attachment;filename=employee.xls");
response.flushBuffer();
sheets.write(response.getOutputStream());
sheets.close();
public Map<String, Object> success(Object o)
Map<String, Object> map = new HashMap<>();
if (o == null)
map.put("result", null);
return map;
if (o instanceof List)
if (((List) o).size() == 1)
o = ((List) o).get(0);
map.put("result", o);
else
String jsonString = JSONObject.toJSONString(o);
JSONArray objects = service.covertArray(JSONObject.parseArray(jsonString));
map.put("result", objects);
else if (o instanceof Integer || o instanceof String)
map.put("result", o);
else
String jsonString = JSONObject.toJSONString(o);
JSONObject jsonObject = JSONObject.parseObject(jsonString);
JSONObject j = service.covertObject(jsonObject);
map.put("result", j);
return map;
public Map<String, Object> error(Integer code, String message)
Map<String, Object> map = new HashMap<>();
map.put("error", new HashMap<String, Object>(4)
put("code", code);
put("message", message);
);
return map;
五，项目总结
现在人们的生活节奏随着生活压力的增大越来越高，人们变得十分焦虑，不再有耐心等待。而计算机信息化技术有效应用，有效的解决人们对时空效率的要求，它的应用不断地渗入到各个邻域，比如像在医疗领域、教育方面等，信息化技术的使用确实给我们的生活带来很大的改变。比如就医疗领域方面来讲，以前我们很多医院就医生挂号大多都采用的是人工排队挂号的方式，这种方式不难浪费了患者的时间，也降低了就诊的效率，本就资源匮乏的医疗领域，则变的更加紧张，这不仅造成医院拥挤秩序混乱，更是拉动人力物力成本高。在线预约挂号系统则可以有效的解决这一问题，患者只需在家通过电脑访问挂号系统网站即可实现在线挂号，即方便患者，又节省医院资源，提高就诊效率，增加医院收入。
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