-
Notifications
You must be signed in to change notification settings - Fork 1
Expand file tree
/
Copy pathHandleServlet.java
More file actions
167 lines (163 loc) · 5 KB
/
HandleServlet.java
File metadata and controls
167 lines (163 loc) · 5 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
package servlets;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import bean.Collection;
import bean.Comment;
import bean.Post;
import bean.User;
import dao.CollectionDao;
import dao.CommentDao;
import dao.PostDao;
/**
*
*
* 此类用于处理用户点赞，收藏，顶贴
* @author acer
*
*/
@SuppressWarnings("serial")
public class HandleServlet extends HttpServlet{
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
}
@SuppressWarnings("unchecked")
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
req.setCharacterEncoding("utf-8");
resp.setContentType("text/plain;charset=utf-8");
PrintWriter out=resp.getWriter();
String type=req.getParameter("type");
HttpSession session=req.getSession();
User user=(User)session.getAttribute("user");
if(user==null){
out.print("session");
return;
}
if(type.equals("agree")){
String cid=req.getParameter("cid");
List<Integer> agree=(List<Integer>) session.getAttribute("agree");
int comment_id=Integer.parseInt(cid);
if(agree==null){
CommentDao cd=new CommentDao();
Comment c=cd.getCommentById(comment_id);
c.setAgree(c.getAgree()+1);
cd.update(c);
agree=new ArrayList<Integer>();
session.setAttribute("agree",agree);
agree.add(c.getComment_id());
out.print(c.getAgree());
return;
}
if(agree.size()==0){
CommentDao cd=new CommentDao();
Comment c=cd.getCommentById(comment_id);
c.setAgree(c.getAgree()+1);
cd.update(c);
agree.add(comment_id);
out.print(c.getAgree());
}else{
boolean isAgain=false;
for(Integer i:agree){
if(i==comment_id){
isAgain=true;
break;
}else {
continue;
}
}
if(isAgain){
out.print("agree");
return;
}
CommentDao cd=new CommentDao();
Comment c=cd.getCommentById(comment_id);
c.setAgree(c.getAgree()+1);
cd.update(c);
agree.add(comment_id);
out.print(c.getAgree());
return;
}
}else if(type.equals("collection")){
int pid=Integer.parseInt(req.getParameter("pid"));
CollectionDao cld=new CollectionDao();
List<Collection> cs=cld.getCollectionByUserId(user.getUser_id());
boolean isAgain=false;
if(cs.size()!=0){
for(Collection c:cs){
if(c.getPost_id()==pid){
isAgain=true;
break;
}else{
continue;
}
}
}
if(isAgain){
out.print("again");
return;
}
Collection c=new Collection();
c.setPost_id(pid);
c.setUser_id(user.getUser_id());
Date now=new Date();
SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd HH:mm");
String time=sdf.format(now);
c.setTime(time);
cld.insert(c);
out.print("ok");
return;
}else if(type.equals("hot")){
String pid=req.getParameter("pid");
int post_id=Integer.parseInt(pid);
List<Integer> hot=(List<Integer>)session.getAttribute("hot");
if(hot==null){
PostDao pd=new PostDao();
Post p=pd.getPost(post_id);
p.setHot(p.getHot()+1);
pd.update(p);
hot=new ArrayList<Integer>();
hot.add(post_id);
session.setAttribute("hot", hot);
out.print("ok");
return;
}else if(hot.size()==0){
PostDao pd=new PostDao();
Post p=pd.getPost(post_id);
p.setHot(p.getHot()+1);
pd.update(p);
hot.add(post_id);
out.print("ok");
}else{
boolean isAgain=false;
for(Integer i:hot){
if(i==post_id){
isAgain=true;
break;
}else {
continue;
}
}
if(isAgain){
out.print("again");
return;
}
PostDao pd=new PostDao();
Post p=pd.getPost(post_id);
p.setHot(p.getHot()+1);
pd.update(p);
hot.add(post_id);
out.print("ok");
return;
}
}
}
}