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search.jsp
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search.jsp
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<%@ page contentType="text/html;charset=UTF-8" language="java" pageEncoding="UTF-8" %>
<%@ include file="checkvalid.jsp" %>
<%@page import="java.util.*"%>
<%@page import="com.mysql.jdbc.Driver"%>
<%@page import="java.sql.*"%>
<%@page import="com.mysql.jdbc.ResultSetMetaData"%>
<%
response.setCharacterEncoding("UTF-8");
request.setCharacterEncoding("UTF-8");
String path = request.getContextPath();
String basePath = request.getScheme() + "://"
+ request.getServerName() + ":" + request.getServerPort()
+ path + "/";
/** 链接数据库参数 **/
String driverName = "com.mysql.jdbc.Driver"; //驱动名称
String DBUser = "admin"; //mysql用户名
String DBPasswd = "1234567890"; //mysql密码
String DBName = "working"; //数据库名
String MySQLServer = "127.0.0.1"; //MySQL地址
String MySQLServerPort = "3306"; //MySQL端口号（默认为3306）
//数据库完整链接地址
String connUrl = "jdbc:mysql://"+MySQLServer+":"+MySQLServerPort+"/" + DBName + "?user="
+ DBUser + "&password=" + DBPasswd ;
//加载数据库驱动
Class.forName(driverName).newInstance();
//链接数据库并保存到 conn 变量中
Connection conn = DriverManager.getConnection(connUrl);
//申明～？
Statement stmt = conn.createStatement();
//设置字符集
stmt.executeQuery("SET NAMES UTF8");
//要执行的 sql 查询
String email=(String)session.getAttribute("email");
String searchName=(String)request.getParameter("searchName");
System.out.println(searchName);
String sql=null;
%>
<html>
<head>
<title>Find friends</title>
<meta http-equiv="content-Type" content="text/html;charset=UTF-8">
<style>
section {
height: 100vh;
display: -webkit-box;
display: -ms-flexbox;
display: flex;
position: relative;
}
.blur-container {
background-size: cover;
background-position: center;
background-attachment: fixed;
}
.blur-container::before, .blur-container::after {
top: 0px;
left: 0px;
content: '';
width: 100%;
height: 100%;
display: block;
position: absolute;
}
.blur-container .container-fluid {
z-index: 10;
width: 100%;
height: 100%;
}
.blur-container .blur-box {
display: block;
position: relative;
}
.blur-container .blur-box::before, .blur-container .blur-box::after {
top: 0px;
left: 0px;
// content: '';
width: 100%;
height: 100%;
display: block;
position: absolute;
}
.blur-container.blur-8 {
--bg: url(background2.jpg);
overflow: hidden;
background-image: var(--bg);
}
.blur-container.blur-8::after {
background-size: cover;
background-position: center;
background-attachment: fixed;
opacity: 0.8;
-webkit-filter: blur(6px);
filter: blur(6px);
background-image: var(--bg);
}
.blur-container.blur-8 .blur-box {
background-size: cover;
background-position: center;
background-attachment: fixed;
color: #fff;
width: 100%;
height: 90%;
z-index: 11;
max-width: 600px;
max-height: 400px;
border-radius: 10px;
background-image: var(--bg);
box-shadow: 0px 0px 30px #333;
}
.btn {
display: inline-block;
font-weight: 400;
line-height: 1.25;
text-align: center;
white-space: nowrap;
vertical-align: middle;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
border: 1px solid transparent;
padding: .5rem 1rem;
font-size: 1rem;
border-radius: .25rem;
-webkit-transition: all .2s ease-in-out;
-o-transition: all .2s ease-in-out;
transition: all .2s ease-in-out;
}
a {
background-color: transparent;
-webkit-text-decoration-skip: objects;
}
.blur-container.blur-5 {
--bg: url(background2.jpg);
background-image: var(--bg);
}
.blur-container.blur-5::after {
background-size: cover;
background-position: center;
background-attachment: fixed;
opacity: 0.1;
-webkit-filter: blur(6px);
filter: blur(6px);
background-image: var(--bg);
}
.blur-container.blur-5 .blur-box {
width: 100%;
height: 100px;
overflow: hidden;
}
.blur-container.blur-5 .blur-box .btn {
color: #fff;
-webkit-transition: 0s;
transition: 0s;
cursor: pointer;
overflow: hidden;
position: relative;
padding: 10px 40px;
border: 2px solid #fff;
text-decoration: none;
}
.blur-container.blur-5 .blur-box .btn span {
position: relative;
z-index: 10;
}
.blur-container.blur-5 .blur-box .btn::before, .blur-container.blur-5 .blur-box .btn::after {
content: '';
top: 0px;
left: 0px;
width: 100%;
height: 100%;
display: block;
-webkit-transition: 0.3s;
transition: 0.3s;
position: absolute;
}
.blur-container.blur-5 .blur-box .btn:hover::before {
opacity: 0.2;
background-color: #999;
}
.blur-container.blur-5 .blur-box .btn:hover::after {
-webkit-filter: blur(4px) brightness(120%);
filter: blur(4px) brightness(120%);
}
.blur-container.blur-5 .blur-box .btn::before {
z-index: 10;
opacity: 0.4;
background-color: #333;
}
.blur-container.blur-5 .blur-box .btn::after {
background-size: cover;
background-position: center;
background-attachment: fixed;
background-image: var(--bg);
-webkit-filter: blur(4px) brightness(70%);
filter: blur(4px) brightness(70%);
}
.blur-container.blur-5 .blur-box::before {
z-index: 10;
opacity: 0.4;
background-color: #333;
}
.blur-container.blur-5 .blur-box::after {
background-size: cover;
background-position: center;
background-attachment: fixed;
background-image: var(--bg);
-webkit-filter: blur(4px) brightness(70%);
filter: blur(4px) brightness(70%);
}
.align-items-center {
-webkit-box-align: center !important;
-webkit-align-items: center !important;
-ms-flex-align: center !important;
align-items: center !important;
}
.justify-content-center {
-webkit-box-pack: center !important;
-webkit-justify-content: center !important;
-ms-flex-pack: center !important;
justify-content: center !important;
}
}
</style>
<SCRIPT type="text/javascript">
function addFriend(email){
if (email!=""){
var xmlhttp=null;
if (window.XMLHttpRequest){
// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}
else{
// code for IE6, IE5
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
if (xmlhttp!=null){
xmlhttp.onreadystatechange=function(){
if (xmlhttp.readyState==4 && xmlhttp.status==200){
window.location.href="search.jsp?searchName=<%out.print(searchName);%>";
var s=document.getElementById(email);
s.innerHTML="Followed";
}
}
xmlhttp.open("GET","add.jsp?friendID="+email,true);
xmlhttp.send();
}
}else{
alert("Input something!");
}
}
</SCRIPT>
</head>
<body style="background:url(background2.jpg) fixed ;background-size:cover; background-position: center;">
<section class="blur-container blur-5 justify-content-center align-items-center" style="height:130px">
<div class="blur-box">
<div class="container-fluid d-flex justify-content-around align-items-center">
<a style="position:absolute; left:80px" href="main.jsp" rel="nofollow" rel="noreferrer"class="btn"><span>Hi,<%
sql= "SELECT * FROM `working`.`user` where email='"+email+"' LIMIT 15";
System.out.println(sql);
//取得结果
ResultSet rs = stmt.executeQuery(sql);
if (rs.next()){
out.println(rs.getString("UserName"));
}%></</span></a>
<a style="position:absolute; left:600px" href="myFriends.jsp" rel="nofollow" rel="noreferrer"class="btn"><span>
Following
</span></a>
<a style="position:absolute; left:800px" href="personalInfo.jsp" rel="nofollow" rel="noreferrer"class="btn"><span>Profile</span></a>
<a style="position:absolute; left:1000px" value="Sign out" onclick="location.href='logout.jsp'" rel="nofollow" rel="noreferrer"class="btn"><span>Sign out</span></a>
</div>
</div>
</section>
<div style="position:absolute;left:1000px;top:100px">
<form action="search.jsp" method="post">
<input type="text" name="searchName" maxlength="20" style="width:120"/>
<input type="submit" value="Find friends"/>
</form>
</div>
<div style="height:5">
</div>
<%
if (searchName!=null){
HashSet<String> frd1 = new HashSet<String>();
sql= "SELECT * FROM `working`.`friends` as a, `working`.`user` as b, `working`.`userdetail` as c where a.email2 = c.email and a.email2 = b.email and a.email = '" + email + "'";
//取得结果
System.out.println(sql);
rs = stmt.executeQuery(sql);
while (rs.next()){
frd1.add(rs.getString("email2"));
}
HashMap<String, HashSet<String>> frd2 =
new HashMap<String, HashSet<String>>();
for(String frd : frd1){
sql= "SELECT * FROM `working`.`friends` as a, `working`.`user` as b, `working`.`userdetail` as c where a.email2 = c.email and a.email2 = b.email and a.email = '" + frd + "'";
System.out.println(sql);
rs = stmt.executeQuery(sql);
while(rs.next()){
String frd2eml = rs.getString("email2");
if(!frd2.containsKey(frd2eml))
frd2.put(frd2eml, new HashSet<String>());
frd2.get(frd2eml).add(frd);
}
}
frd2.keySet().removeAll(frd1);
frd2.keySet().remove(email);
sql= "SELECT * FROM `working`.`user` as a, `working`.`userdetail` as b "
+"where username like '%"+searchName+"%' "
+"and a.email = b.email "
+"and a.email !='"+email+"' "
+"and a.email not in ( "
+"select email2 from `working`.`friends` where email='"+email+"'"
+");";
//取得结果
System.out.println(sql);
rs = stmt.executeQuery(sql);
while (rs.next()){
%>
<section style="height:200px" class="blur-container blur-8 justify-content-center align-items-center">
<div style="position: reletive center" class="blur-box">
<a style="display:block;width:160px ;color:#FFFFFF;background-color:rgb(150,170,180);text-algn:center;text-decoration:none;padding:4px;;font-weight:bold;" href="view.jsp?email=<%out.print(rs.getString("email"));%>">
<%out.print(rs.getString("username"));%></a>
<%if(frd2.containsKey(rs.getString("email"))){%>
<a style="display:block; color:#FFFFFF;background-color:rgb(130,130,130);text-algn:center;text-decoration:none;padding:4px;">From<%
for(String inter:frd2.get(rs.getString("email"))){
sql= "SELECT * FROM `working`.`user` as b where b.email = '" + inter + "'";
System.out.println(sql);
Statement stmt2 = conn.createStatement();
ResultSet rs2 = stmt2.executeQuery(sql);
while(rs2.next())
out.print(" "+rs2.getString("username"));
stmt2.close();
rs2.close();
}%></a><%}%>
<br/>Gender: <%out.print(rs.getString("sex"));%></br></br>Date of birth: <%out.print(rs.getString("year"));%>/<%out.print(rs.getString("month"));%>/<%out.print(rs.getString("day"));%>
<span id="<%out.print(rs.getString("email"));%>"><input type="button" value="Follow" onclick="addFriend('<%out.print(rs.getString("email"));%>')" /></span>
</div>
</section>
<%
}
}
%>
</body>
</html>
<%
/** 关闭连接 **/
conn.close();
stmt.close();
rs.close();
%>