1. 회원가입 페이지 아이디 옆에 스펜테그 입력 , 위에 스크립트로 keyup 함수 작성
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
|
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE >
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<script src="http://code.jquery.com/jquery-3.1.0.js">
</script>
<script>
$(document).ready(function() {
//아이디 중복체크
$("#userid").keyup(function() {
//사용자가 입력한 아이디
var userid = $("#userid").val();
var param = "userid=" + userid;
if (userid.length >= 4) { //최소 글자수 이상
//아이디 체크
$.ajax({
type : "post",
url : "/web02/member_servlet/idcheck.do",
data : param,
success : function(result) {
$("#span_id").html(result);
}
})
}
});
//버튼클릭 이벤트
$("#btnJoin").click(function() {
//폼데이터를 서버에 제출
document.form1.submit();
});
});
</script>
</head>
<body>
<h2>회원가입</h2>
<form name="form1" method="post" action="/web02/member_servlet/join.do">
<table border="1" width="700px">
<tr>
<td>이름</td>
<td><input type="text" name="name" id="name"></td>
</tr>
<tr>
<td>아이디</td>
<td><input type="text" name="userid" id="userid"> <span id="span_id"></span></td>
</tr>
<tr>
<td>비밀번호</td>
<td><input type="password" name="passwd" id="passwd"></td>
</tr>
<tr>
<td>비밀번호확인</td>
<td><input type="password" name="passwd2" id="passwd2"></td>
</tr>
<tr>
<td>이메일</td>
<td><input type="email" name="email" id="email"></td>
</tr>
<tr>
<td>폰번호</td>
<td><input type="text" name="hp" id="hp"></td>
</tr>
<tr>
<td>우편번호</td>
<td><input type="text" name="zipcode" id="zipcode"></td>
</tr>
<tr>
<td>주소</td>
<td><input type="text" name="address1" id="address1"></td>
</tr>
<tr>
<td>주소상세</td>
<td><input type="text" name="address2" id="address2"></td>
</tr>
<tr>
<td align="center" colspan="2">
<input type="button" value="회원가입" id="btnJoin">
<input type="reset" value="취소">
</td>
</tr>
</table>
</form>
</body>
</html>
|
cs |
2.컨트롤
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
|
//아이디 체크
} else if (url.indexOf("idcheck.do") != -1) {
String userid = request.getParameter("userid");
System.out.println("userid"+userid);
int idcheck = dao.idcheck(userid);
System.out.println("idcheck"+idcheck);
String message = "";
if (idcheck==0) {
message = userid + "는 사용가능한 아이디 입니다.";
} else {
message = userid + "는 사용할 수 없는 아이디 입니다.";
}
request.setAttribute("message", message);
// 페이지 이동
String page = "/member/idcheck.jsp";
RequestDispatcher rd = request.getRequestDispatcher(page);
rd.forward(request, response);
}
}
|
cs |
3.dao
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
|
// idcheck
public int idcheck(String userid) {
Connection conn = null; // db접속
PreparedStatement pstmt = null; // sql 실행
ResultSet rs = null; // select 결과 처리
int result =1;
try {
conn = DB.dbConn(); // db접속 성공
String sql = "select count(*) from member where userid=?";
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, userid);
rs = pstmt.executeQuery(); // rs에 실행결과 리턴
if (rs.next()) { // 레코드가 존재하면
result = rs.getInt(1);
}
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (rs != null) {
rs.close();
}
} catch (Exception e2) {
e2.printStackTrace();
}
try {
if (pstmt != null) {
pstmt.close();
}
} catch (Exception e2) {
e2.printStackTrace();
}
try {
if (conn != null) {
conn.close();
}
} catch (Exception e2) {
e2.printStackTrace();
}
}
return result;
}
|
cs |
4. 아이디 사용여부 표시
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
|
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE >
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<%
String message = (String) request.getAttribute("message");
if (message.indexOf("사용가능한") != -1) {
%>
<span style="color: blue;"><%=message%> </span>
<%
} else {
%>
<span style="color: red;"><%=message%></span>
<%
}
%>
</body>
</html>
|
cs |