本科毕业设计、课程设计大作业、基于SpringBoot和Vue的宠物医院诊所管理系统，适合个人前后端开发学习，javaweb开发

package util; import net.jntoo.db.Query; import com.alibaba.fastjson.*; import javax.servlet.http.HttpServletRequest; import java.io.UnsupportedEncodingException; import java.lang.reflect.Method; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.*; import java.util.regex.Matcher; import java.util.regex.Pattern; /** * 操作类 */ public class Info { /** * 获取单页内容 * @param name * @param length * @return */ public static String dx(String name, int length) { HashMap row = Query.make("dx").where("leibie" , "name").find(); if (row == null || row.get("content") == null || row.isEmpty()) { return ""; } else { return subStr((String) row.get("content"), length); } } /** * 格式化密码，如果要加密在这里设置 * @param password * @return */ public static String formatPassword(String password) { return password; } /** * JSON 数据编码 * @param source * @return */ public static String jsonEncode(Object source) { return JSON.toJSONString(source); } public static JSONObject jsonDecode(Object source) { if(source == null){ return JSON.parseObject("{}"); } return JSON.parseObject( String.valueOf( source )); } public static JSONArray jsonDecodeArray( Object source ) { if(source == null){ return JSON.parseArray("[]"); } return JSON.parseArray( String.valueOf( source )); } public static List objectSplit(String exp , Object str) { List arr = new ArrayList(); if(str == null) { return arr; } String s = String.valueOf(str); String[] sp = s.split(exp); return Arrays.asList(sp); } /** * 获取所有子集下的id * @param table 表名 * @param pid 父级字段 * @param value 获取的所有子集 * @return */ public static String getAllChild( String table , String pid , Object value) { List templists = Query.make(table).select(); return StringUtil.join(",",getAllChild( table , pid , value , templists)); } public static List getAllChild( String table , String pid , Object value , List templists) { List $ret = null; List<HashMap> lists = templists; List $result = new ArrayList(); String parentid = String.valueOf(value); $result.add(parentid); for (HashMap child : lists){ if(child.get(pid).equals(parentid)) { $ret = getAllChild( table , pid , child.get("id") , templists ); if($ret.size() > 0){ $result.addAll($ret); } } } return $result; } public static String postion(String table , String pid , String name , String value) { List items = new ArrayList(); String parentid = value; do { HashMap mp = dao.Query.make(table).find(parentid); if(mp.isEmpty()){ break; } items.add(mp.get(name)); parentid = mp.get(pid).toString(); }while ( !parentid.equals("") && !parentid.equals("0") ); Collections.reverse(items); return StringUtil.join(" ",items); } public static String getTreeOption(String table , String pid , String name , Object value) { return postion(table , pid , name , String.valueOf(value)); } /** * 获取两个日期相差的天数 * @param dateA * @param dateB * @return */ public static int getBetweenDayNumber(String dateA, String dateB) { long dayNumber = 0; //1小时=60分钟=3600秒=3600000 long mins = 60L * 1000L; //long day= 24L * 60L * 60L * 1000L;计算天数之差 SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm"); try { Date d1 = df.parse(dateA); Date d2 = df.parse(dateB); dayNumber = (d2.getTime() - d1.getTime()) / mins; } catch (Exception e) { e.printStackTrace(); } return (int) dayNumber; } /** * 获取唯一id，生成随机编号 * @return */ public synchronized static String getID() { Random random = new Random(); StringBuffer ret = new StringBuffer(20); Date date = new Date(); SimpleDateFormat format = new SimpleDateFormat("MMddHHmmss", Locale.CHINA); ret.append(format.format(date)); String rand = String.valueOf(Math.abs(random.nextInt())); //ret.append(getDateStr()); ret.append(rand.substring(0, 4)); return ret.toString(); } /** * 字符串截取，先把html 标签去除 * @param source * @param length * @return */ public synchronized static String subStr(Object source, int length) { return subStr(source , length , "..."); } /** * 字符串截取，先把html 标签去除 * @param source * @param length * @return */ public synchronized static String subStr(Object source, int length , String append) { if(source == null) return ""; String str = delHTMLTag(source.toString()); if (str.length() > length) { str = ( str.substring(0, length)) + append; } return str; } /** * 获取当前日期时间 * @return */ public static String getDateStr() { String dateString = ""; try {//yyyyMMddHHmmss SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); Date currentTime_1 = new Date(); dateString = formatter.format(currentTime_1); } catch (Exception e) { } return dateString; } /** * 获取utf8 字符串 * @param str * @return */ public static String getUTFStr(String str) { if (str == null) { return ""; } try { str = new String(str.getBytes("ISO-8859-1"), "utf-8"); } catch (UnsupportedEncodingException e) { // TODO Auto-generated catch block e.printStackTrace(); } return str; } /** * 删除html标签 * @param htmlStr * @return */ public static String delHTMLTag(String htmlStr) { String regEx_script = "<script[^>]*?>[\\s\\S]*?<\\/script>"; //定义script的正则表达式 String regEx_style = "<style[^>]*?>[\\s\\S]*?<\\/style>"; //定义style的正则表达式 String regEx_html = "<[^>]+>"; //定义HTML标签的正则表达式 Pattern p_script = Pattern.compile(regEx_script, Pattern.CASE_INSENSITIVE); Matcher m_script = p_script.matcher(htmlStr); htmlStr = m_script.replaceAll(""); //过滤script标签 Pattern p_style = Pattern.compile(regEx_style, Pattern.CASE_INSENSITIVE); Matcher m_style = p_style.matcher(htmlStr); htmlStr = m_style.replaceAll(""); //过滤style标签 Pattern p_html = Pattern.compile(regEx_html, Pattern.CASE_INSENSITIVE); Matcher m_html = p_html.matcher(htmlStr); htmlStr = m_html.replaceAll(""); //过滤html标签 return htmlStr.trim(); //返回文本字符串 } /** * 格式化日期 * @param date * @param day * @return */ public static String getDay(String date, int day) { String b = date.substring(0, 10); String c = b.substring(0, 4); String d = b.substring(5, 7); String f = b.substring(8, 10); String aa = c + "/" + d + "/" + f; String a = ""; DateFormat dateFormat = DateFormat.getDateInstance(DateFormat.MEDIUM); GregorianCalendar grc = new GregorianCalendar()