疫苗预约|疫苗管理|前后端分离Springboot+Vue儿童疫苗预约系统
项目编号:
前言:
随着社会的发展,社会的各行各业都在利用信息化时代的优势。计算机的优势和普及使得各种信息系统的开发成为必需。
儿童疫苗预约管理,主要的模块包括查看首页、站点管理(轮播图、公告栏)用户管理(管理员、系统用户)内容管理(资讯列表、分类列表)更多管理(预约订单、疫苗信息、取消预约、疫苗采购、疫苗退货)等功能。系统中管理员主要是为了安全有效地存储和管理各类信息,还可以对系统进行管理与更新维护等操作,并且对后台有相应的操作权限。
要想实现儿童疫苗预约管理的各项功能,需要后台数据库的大力支持。管理员验证注册信息,收集的用户信息,并由此分析得出的关联信息等大量的数据都由数据库管理系统管理。本文中数据库服务器端采用了Mysql作为后台数据库,使Web与数据库紧密联系起来。在设计过程中,充分保证了系统代码的良好可读性、实用性、易扩展性、通用性、便于后期维护、操作方便以及页面简洁等特点。
本系统的开发使获取儿童疫苗预约管理信息能够更加方便快捷,同时也使儿童疫苗预约管理管理信息变的更加系统化、有序化。系统界面较友好,易于操作。
一,项目简介
儿童疫苗预约管理从功能、数据流程、可行性、运行环境等方面进行需求分析。对儿童疫苗预约管理的数据库、功能进行了详细设计。分析了主要界面设计和相关组件设计,对儿童疫苗预约管理的具体实现进行了介绍。
采用Java技术,从数据库中获取数据、向数据库中写入数据,实现系统直接对数据库进行各种操作,在网页中加入动态内容,从而实现儿童疫苗预约管理所需要的各种基本功能。
系统用户分为前端用户和后台管理用户两类:下图展示的是各用户角色功能示例图:

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或eclipse
后台开发技术:Springboot+Mybatisplus
前台开发技术:Vue+ElementUi
三,系统展示
管理员登录,管理员通过输入用户,密码,角色等信息进行系统登录,如图3-1所示。

图3-1管理员登录界面图
管理员登录进入儿童疫苗预约管理可以查看管理员:首页、站点管理(轮播图、公告栏)用户管理(管理员、系统用户)内容管理(资讯列表、分类列表)更多管理(预约订单、疫苗信息、取消预约、疫苗采购、疫苗退货)等内容,如图3-2所示。

图3-2管理员功能首页界面图
用户管理,在用户管理页面可以查看等索引、用户账号、密码、用户姓名、性别、年龄、联系电话、电子邮箱、身份证号、家庭住址、个人照片等信息,并可根据需要进行修改或删除等操作,如图3-3所示。

图3-3用户管理界面图
疫苗信息,在疫苗信息页面可以查看索引、疫苗编号、疫苗名称、疫苗种类、疫苗详情、接种人群等信息,并可根据需要进行修改或删除等操作,如图3-4所示。

图3-4疫苗信息界面图
预约订单信息,在预约订单信息页面可以查看索引、用户编号、订单编号、疫苗编号、疫苗名称、疫苗价格、接种单位、接种医生等信息,并可根据需要进行修改或删除等操作,如图3-5所示。

图3-5预约订单信息界面图
取消预约,在取消预约页面可以查看索引、疫苗名称、疫苗编号、疫苗名称、疫苗价格、接种单位、单位地址、接种医生等信息,并可根据需要进行修改或删除等操作,如图5-6所示。

图3-6取消预约界面图
用户注册,在用户注册页面通过填写用户账号、密码、用户姓名、年龄、联系电话、电子邮箱、身份等信息完成用户注册,如图3-7所示。

图3-7用户注册界面图
用户登录进入后台可以查看首页、公告消息、疫情资讯、疫苗信息等内容,如图3-9所示。

图3-9用户功能界面图
疫苗信息,在疫苗信息页面可以查看疫苗编号、疫苗名称、疫苗图片等信息操作,如图3-10所示。

图3-10疫苗信息界面图
预约订单管理,在预约订单管理页面可以查看索引、疫苗名称、疫苗编号、接种人群、疫苗价格、接种单位、单位地址、接种医生、接种时间等信息,如图3-11所示。

图3-11预约订单界面图
四,核心代码展示
系统抽像的顶层Controller:
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;/**
*/public class BaseController<E, S extends BaseService<E>> {
protected S service;
public Map<String, Object> add(HttpServletRequest request) throws IOException {
service.insert(service.readBody(request.getReader())); return success(1);
}
public Map<String, Object> addMap(Map<String,Object> map){
service.insert(map); return success(1);
}
public Map<String, Object> set(HttpServletRequest request) throws IOException {
service.update(service.readQuery(request), service.readConfig(request), service.readBody(request.getReader())); return success(1);
}
public Map<String, Object> del(HttpServletRequest request) {
service.delete(service.readQuery(request), service.readConfig(request)); return success(1);
}
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);
}
}
public Map<String, Object> getList(HttpServletRequest request) {
Map<String, Object> map = service.selectToPage(service.readQuery(request), service.readConfig(request)); return success(map);
}
public Map<String, Object> listGroup(HttpServletRequest request) {
Map<String, Object> map = service.selectToList(service.readQuery(request), service.readConfig(request)); return success(map);
}
public Map<String, Object> barGroup(HttpServletRequest request) {
Map<String, Object> map = service.selectBarGroup(service.readQuery(request), service.readConfig(request)); return success(map);
}
public Map<String, Object> count(HttpServletRequest request) { Query count = service.count(service.readQuery(request), service.readConfig(request)); return success(count.getResultList());
}
public Map<String, Object> sum(HttpServletRequest request) { Query count = service.sum(service.readQuery(request), service.readConfig(request)); return success(count.getResultList());
}
public Map<String, Object> avg(HttpServletRequest request) { Query count = service.avg(service.readQuery(request), service.readConfig(request)); return success(count.getResultList());
}
public Map<String, Object> upload( {
log.info( MultipartFile file)"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");
}
public Map<String, Object> importDb( MultipartFile file)throws IOException {
service.importDb(file); return success(1);
}
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;
}
}
系统抽像的顶层Service:
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.*;/**
*/public class BaseService <E>{
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();
}
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());
}
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;
}
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;
}
}
五,项目总结
随着社会的快速发展,计算机的影响是全面且深入的。人们生活水平的不断提高,日常生活中人们儿童疫苗预约信息管理方面的要求也在不断提高,需要儿童疫苗预约的人数更是不断增加,使得儿童疫苗预约管理的开发成为必需而且紧迫的事情。儿童疫苗预约管理主要是借助计算机,通过对儿童疫苗预约管理所需的信息管理,增加用户选择,同时也方便对广大用户信息的及时查询、修改以及对用户信息的及时了解。儿童疫苗预约管理对用户带来了更多的便利, 该系统通过和数据库管理系统软件协作来满足用户的需求。