这一学期的期末考试也就考了这些。以下是代码，由于简单，在此不多说。
index.jsp:
1 <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
2
3 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
4 <html>
5 <head>
6 <title>My JSP 'index.jsp' starting page</title>
7 <meta http-equiv="pragma" content="no-cache">
8 <meta http-equiv="cache-control" content="no-cache">
9 <meta http-equiv="expires" content="0">
10 <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
11 <meta http-equiv="description" content="This is my page">
12 <link rel="stylesheet" href="layui/css/layui.css" media="all" />
13 <script src="js/jquery.3.2.1.js"></script>
14 <script src="js/jquery.cookie.js"></script>
15 <script type="text/javascript">
16 <%
17 String account = null; 18 if(request.getAttribute("is") != null){ 19 if((Integer)request.getAttribute("is") == 1){ 20 String account1 = (String)request.getAttribute("ACCOUNT"); 21 account = new String(account1.getBytes("iso-8859-1"),"utf-8"); 22
23 %>
24 var account = '<%=account%>'; 25 $.cookie('ACCOUNT',account); 26 <%
27 response.setHeader("refresh", "1;URL=main.jsp"); 28 }else{ 29 %>
30 alert("账号或密码错误！"); 31 <%
32 } 33 } 34 %>
35 $(function(){ 36 $('#register').click(function() { 37 $(location).attr('href', 'register.jsp'); 38 }); 39 }); 40 </script>
41 </head>
42
43 <body>
44 <div style="margin-top: 14%;">
45 <form class="layui-form" id="from1" action="LoginServlet.action" method="post">
46 <div style="margin-right: 4%;" class="layui-form-item">
47 <label class="layui-form-label">账号</label>
48 <div class="layui-input-block">
49 <input id="account" name="account" lay-verify="title" placeholder="请输入账号" class="layui-input" type="text">
50 </div>
51 <label style="margin-top: 1%;" class="layui-form-label">密码</label>
52 <div style="margin-top: 1%;" class="layui-input-block">
53 <input id="passwords" name="passwords" lay-verify="title" placeholder="请输入密码" class="layui-input" type="password">
54 </div>
55 </div>
56 <center>
57 <div class="layui-form-item">
58 <input id="login" type="submit" value="登录" class="layui-btn layui-btn-warm layui-btn-radius" />
59 <input id="register" type="button" value="注册" style="margin-left: 10%;" class="layui-btn layui-btn-warm layui-btn-radius" />
60 </div>
61 </center>
62 </form>
63 </div>
64 </body>
65 </html>
main.jsp：
1 <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
2
3 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
4 <html>
5 <head>
6 <title>My JSP 'main.jsp' starting page</title>
7
8 <meta http-equiv="pragma" content="no-cache">
9 <meta http-equiv="cache-control" content="no-cache">
10 <meta http-equiv="expires" content="0">
11 <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
12 <meta http-equiv="description" content="This is my page">
13 <link rel="stylesheet" href="layui/css/layui.css" media="all" />
14 <link rel="stylesheet" href="js/jexcel/css/jquery.jexcel.css" />
15 <link rel="stylesheet" href="js/jexcel/css/jquery.jcalendar.css" />
16 <script src="js/jquery.3.2.1.js"></script>
17 <script type="text/javascript" src="js/jexcel/jquery.jexcel.js" ></script>
18 <script type="text/javascript" src="js/jexcel/jquery.jcalendar.js" ></script>
19 <script src="js/jquery.cookie.js"></script>
20 <script type="text/javascript">
21 $(function(){ 22 if('<%=(String)request.getAttribute("isSelect")%>' == '1'){ 23 $('#update').show(1500); 24 $('#div2').show(1500); 25 $('#score-student-list').hide(1500); 26 $('#account').val('<%=(String)request.getAttribute("account")%>'); 27 $('#phone').val('<%=(String)request.getAttribute("phone")%>'); 28 $('#email').val('<%=(String)request.getAttribute("email")%>'); 29 $('#ids').val('<%=(String)request.getAttribute("userId")%>'); 30 $('#name').val('<%=(String)request.getAttribute("userName")%>'); 31 $('#password').val('<%=(String)request.getAttribute("passwords")%>'); 32 $('#sex').val('<%=(String)request.getAttribute("sex")%>'); 33 } 34 if('<%=(String)request.getAttribute("isSelectAll")%>' == '1'){ 35 $('#update').hide(1500); 36 $('#score-student-list').show(1500); 37 $('#div2').hide(1500); 38 var arrData = []; 39 var arr = null; 40 <%
41 int index = 0; 42 final int cloNumber = 6; 43 List<Object> selectDataAll = (List<Object>) request.getAttribute("listAllData"); 44 if(selectDataAll != null){ 45 for(int i=0 ; i<selectDataAll.size() ; i++){ 46 if(index <= cloNumber){ 47 %>
48 if(arr == null){ 49 arr = new Array; 50 } 51 arr.push('<%=selectDataAll.get(i)%>'); 52 <%
53 if(index++ == cloNumber){ 54 index = 0; 55 %>
56 arrData.push(arr); 57 arr = null; 58 <%
59 } 60
61 } 62 } 63 } 64 %>
65 $('#score-student-list').jexcel({ 66 data: arrData, // 数据（二维数组）
67 colHeaders: ['身份证', '真实姓名', '账号', '手机', '邮箱', '密码','性别'], // 表头
68 colWidths: [200, 200, 200, 200, 200, 200,180], // 每列的宽度
69 columns: [{ 70 type: 'text'
71 },{ 72 type: 'text'
73 },{ 74 type: 'text'
75 },{ 76 type: 'text'
77 },{ 78 type: 'text'
79 }, { 80 type: 'text'
81 },{ 82 type: 'text'
83 }, 84 ]} 85 ); 86 } 87
88 if('<%=(String)request.getAttribute("isInsert")%>' == '1'){ 89 alert("修改成功"); 90 $('#div2').hide(1500); 91 } 92
93 if('<%=(String)request.getAttribute("isDelete")%>' == '1'){ 94 alert("删除成功"); 95 $(location).attr('href', 'index.jsp'); 96 } 97
98 $('#select').click(function(){ 99 <%--<%=request.getParameter("ACCOUNT") %>"--%>
100 document.demo.action="MainServlet.action?Type=select&accounts="+$.cookie('ACCOUNT'); 101 document.demo.submit(); 102 }); 103
104 $('#save').click(function(){ 105 document.demo.action="MainServlet.action?Type=saves"; 106 document.demo.submit(); 107 }); 108
109 $('#cancel').click(function(){ 110 document.demo.action="MainServlet.action?Type=cancel&accounts="+$.cookie('ACCOUNT'); 111 document.demo.submit(); 112 }); 113
114 $('#all').click(function(){ 115 document.demo.action="MainServlet.action?Type=all"; 116 document.demo.submit(); 117 }); 118
119 $('#update').click(function(){ 120 $('input').removeAttr("disabled"); 121 $('#div3').show(1500); 122 }); 123 }); 124 </script>
125 </head>
126
127 <body>
128 <form name="demo" method="post">
129 <div style="margin-left: 1%; margin-top: 2%;" class="layui-btn-group">
130 <input type="button" id="select" value="查看" class="layui-btn" ></input>
131 <input type="button" id="update" value="编辑" class="layui-btn "></input>
132 <input type="button" id="cancel" value="注销" class="layui-btn"></input>
133 <input type="button" id="all" value="查看所有" class="layui-btn"></input>
134 </div>
135 <hr />
136 <div id="div2" style="display:none">
137 <div class="layui-inline">
138 <label class="layui-form-label">账号</label>
139 <div class="layui-input-inline">
140 <input name="account" id="account" class="layui-input" type="text" disabled />
141 </div>
142 </div>
143 <hr />
144 <div class="layui-inline">
145 <label class="layui-form-label">手机</label>
146 <div class="layui-input-inline">
147 <input name="phone" id="phone" class="layui-input" type="tel" disabled />
148 </div>
149 </div>
150 <hr />
151 <div class="layui-inline">
152 <label class="layui-form-label">邮箱</label>
153 <div class="layui-input-inline">
154 <input name="email" id="email" class="layui-input" type="email" disabled />
155 </div>
156 </div>
157 <hr />
158 <div class="layui-inline">
159 <label class="layui-form-label">身份证</label>
160 <div class="layui-input-inline">
161 <input name="ids" id="ids" class="layui-input" type="text" disabled />
162 </div>
163 </div>
164 <hr />
165 <div class="layui-inline">
166 <label class="layui-form-label">真实姓名</label>
167 <div class="layui-input-inline">
168 <input name="name" id="name" class="layui-input" type="text" disabled/>
169 </div>
170 </div>
171 <hr />
172 <div class="layui-inline">
173 <label class="layui-form-label">密码</label>
174 <div class="layui-input-inline">
175 <input name="password" id="password" class="layui-input" type="text" disabled/>
176 </div>
177 </div>
178 <hr />
179 <div class="layui-inline">
180 <label class="layui-form-label">性别</label>
181 <div class="layui-input-inline">
182 <input name="sex" id="sex" class="layui-input" type="text" disabled/>
183 </div>
184 </div>
185 </div>
186 </form>
187 <div id="div3" style="margin-left: 7%;margin-top: 2%;display:none;">
188 <div style="margin-left: 2%;" class="layui-btn-group">
189 <input type="button" id="save" value="保存" class="layui-btn"></input>
190 </div>
191 </div>
192 <div class="score-student-list" id="score-student-list" style="display:none;margin-left: 1%;"></div>
193 </body>
194 </html>
register.jsp：
1 <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
2
3 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
4 <html>
5 <head>
6
7 <title>My JSP 'register.jsp' starting page</title>
8
9 <meta http-equiv="pragma" content="no-cache">
10 <meta http-equiv="cache-control" content="no-cache">
11 <meta http-equiv="expires" content="0">
12 <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
13 <meta http-equiv="description" content="This is my page">
14 <link rel="stylesheet" href="layui/css/layui.css" media="all" />
15 <script src="js/jquery.3.2.1.js"></script>
16 <script src="layui/layui.js"></script>
17 <script type="text/javascript">
18 layui.use('form', function() { 19 var form = layui.form; 20 form.render(); 21 }); 22
23 $(function(){ 24 $('#register').click(function(){ 25 var islen = ($('#password1').val().length >= 6 && $('#password1').val().length <= 12) && ($('#password2').val().length >= 6 && $('#password2').val().length <= 12); 26 var isID = $('#user_id').val().length > 0 && $('#user_id').val().length <= 18; 27 if (islen && isID) { 28 if ($('#password1').val() == $('#password2').val()) { 29 document.demo.action="RegisterServlet.action"; 30 document.demo.submit(); 31 <%
32 if(request.getAttribute("is") != null){ 33 if((Integer)request.getAttribute("is") == 1){ 34 response.setHeader("refresh", "1;URL=index.jsp"); 35 }else{ 36 %>
37 alert("注册失败"); 38 <%
39 } 40 } 41 %>
42 } else { 43 alert('密码不一致！'); 44 } 45 } else { 46 if (!isID) { 47 alert('请输入正确的身份证！'); 48 } else if(!islen){ 49 alert('密码长度不一致'); 50 }else{ 51 alert('请输入合法的信息！'); 52 } 53 } 54 }); 55 }); 56 </script>
57 </head>
58
59 <body>
60 <div style="margin-top: 5%;">
61 <form name="demo" class="layui-form" method="post">
62 <div class="layui-form-item">
63 <label class="layui-form-label">账号</label>
64 <div class="layui-input-inline">
65 <input id="account" name="account" lay-verify="required" placeholder="请输入账号" class="layui-input" type="text">
66 </div>
67 </div>
68
69 <div class="layui-form-item">
70 <div class="layui-inline">
71 <label class="layui-form-label">手机</label>
72 <div class="layui-input-inline">
73 <input id="phone" name="phone" lay-verify="required|phone" class="layui-input" type="tel">
74 </div>
75 </div>
76 <div class="layui-inline">
77 <label class="layui-form-label">邮箱</label>
78 <div class="layui-input-inline">
79 <input id="email" name="email" lay-verify="email" class="layui-input" type="email">
80 </div>
81 </div>
82 </div>
83 <div class="layui-form-item">
84 <label class="layui-form-label">身份证</label>
85 <div class="layui-input-inline">
86 <input id="user_id" name="user_id" lay-verify="required" placeholder="请输入身份证" class="layui-input" type="text">
87 </div>
88 </div>
89 <div class="layui-form-item">
90 <label class="layui-form-label">真实姓名</label>
91 <div class="layui-input-inline">
92 <input id="user_name" name="user_name" lay-verify="required" placeholder="请输入真实姓名" class="layui-input" type="text">
93 </div>
94 </div>
95
96 <div class="layui-form-item">
97 <label class="layui-form-label">密码</label>
98 <div class="layui-input-inline">
99 <input id="password1" name="password1" lay-verify="pass" placeholder="请输入密码" class="layui-input" type="password">
100 </div>
101 <div class="layui-form-mid layui-word-aux">请填写6到12位密码</div>
102 </div>
103 <div class="layui-form-item">
104 <label class="layui-form-label">确认密码</label>
105 <div class="layui-input-inline">
106 <input id="password2" name="password2" lay-verify="pass" placeholder="请输入密码" class="layui-input" type="password">
107 </div>
108 <div class="layui-form-mid layui-word-aux">请填写6到12位密码</div>
109 </div>
110
111 <div class="layui-form-item">
112 <label class="layui-form-label">性别</label>
113 <div class="layui-input-block">
114 <input name="sex" value="男" title="男" checked="" type="radio">
115 <input name="sex" value="女" title="女" type="radio">
116 <input name="sex" value="人妖" title="人妖" disabled="" type="radio">
117 </div>
118 </div>
119 <div class="layui-form-item">
120 <div class="layui-input-block">
121 <input id='register' type="button" class="layui-btn" lay-filter="demo1" value="立即注册"></input>
122 <input type="reset" class="layui-btn layui-btn-primary" value="重置"></input>
123 </div>
124 </div>
125 </form>
126 </div>
127 </body>
128 </html>
web.xml：
1 <?xml version="1.0" encoding="UTF-8"?>
2 <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" version="2.5">
3 <display-name></display-name>
4 <servlet>
5 <servlet-name>LoginServlet</servlet-name>
6 <servlet-class>com.yuw.servlet.LoginServlet</servlet-class>
7 </servlet>
8 <servlet>
9 <servlet-name>MainServlet</servlet-name>
10 <servlet-class>com.yuw.servlet.MainServlet</servlet-class>
11 </servlet>
12 <servlet>
13 <servlet-name>RegisterServlet</servlet-name>
14 <servlet-class>com.yuw.servlet.RegisterServlet</servlet-class>
15 </servlet>
16 <servlet-mapping>
17 <servlet-name>LoginServlet</servlet-name>
18 <url-pattern>/LoginServlet.action</url-pattern>
19 </servlet-mapping>
20 <servlet-mapping>
21 <servlet-name>MainServlet</servlet-name>
22 <url-pattern>/MainServlet.action</url-pattern>
23 </servlet-mapping>
24 <servlet-mapping>
25 <servlet-name>RegisterServlet</servlet-name>
26 <url-pattern>/RegisterServlet.action</url-pattern>
27 </servlet-mapping>
28 <welcome-file-list>
29 <welcome-file>index.jsp</welcome-file>
30 </welcome-file-list>
31 </web-app>
LoginDB.java:
1 package com.yuw.accessDB; 2
3 import java.sql.Connection; 4 import java.sql.PreparedStatement; 5 import java.sql.ResultSet; 6 import java.sql.SQLException; 7 import java.util.List; 8
9 import com.yuw.dataAccess.SelectData; 10 import com.yuw.jdbc.example.JDBCDataBase; 11 import com.yuw.transfer.DataTransfer; 12
13
14 public class LoginDB implements SelectData{ 15
16 private List<Object> listDataReceive = null; 17 private Connection connection = null; 18 private PreparedStatement preparedStatement = null; 19 private ResultSet resultSet = null; 20
21 public LoginDB(){ 22
23 } 24 /*
25 * @base 当前数据库连接 26 * @dataTransfer 当前数据库连接的数据 27 */
28 public LoginDB(DataTransfer<List<Object>> dataTransfer , JDBCDataBase base){ 29 this.connection = base.example(); 30 this.listDataReceive = dataTransfer.transfer(); 31 } 32
33
34 public int select(String sql) { 35 // TODO Auto-generated method stub
36 try { 37 preparedStatement = connection.prepareStatement(sql,ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY); 38 int index = 1; 39 for(Object object : listDataReceive){ 40 preparedStatement.setString(index++, (String)object); 41 System.out.println((String)object); 42 } 43 resultSet = preparedStatement.executeQuery(); 44 resultSet.last(); 45 if(resultSet.getRow() == 1){ 46 return 1; 47 } 48 } catch (SQLException e) { 49 // TODO Auto-generated catch block
50 e.printStackTrace(); 51 }finally{ 52 close(); 53 } 54 return 0; 55 } 56
57 public void close(){ 58 if(resultSet != null){ 59 try { 60 resultSet.close(); 61 } catch (SQLException e) { 62 // TODO Auto-generated catch block
63 e.printStackTrace(); 64 } 65 } 66 if(preparedStatement != null){ 67 try { 68 preparedStatement.close(); 69 } catch (SQLException e) { 70 // TODO Auto-generated catch block
71 e.printStackTrace(); 72 } 73 } 74 if(connection != null){ 75 try { 76 connection.close(); 77 } catch (SQLException e) { 78 // TODO Auto-generated catch block
79 e.printStackTrace(); 80 } 81 } 82 } 83 public int selectAll(String sql) { 84 // TODO Auto-generated method stub
85 return 0; 86 } 87 }
MainDB.java:
1 package com.yuw.accessDB; 2
3 import java.sql.Connection; 4 import java.sql.PreparedStatement; 5 import java.sql.ResultSet; 6 import java.sql.SQLException; 7 import java.util.ArrayList; 8 import java.util.Arrays; 9 import java.util.List; 10
11 import com.yuw.dataAccess.DeleteData; 12 import com.yuw.dataAccess.InsertData; 13 import com.yuw.dataAccess.SelectData; 14 import com.yuw.jdbc.example.JDBCDataBase; 15 import com.yuw.transfer.DataTransfer; 16 import com.yuw.transfer.DataTransferReport; 17
18 public class MainDB implements DataTransferReport<List<Object>>,SelectData,InsertData,DeleteData{ 19 private List<Object> listDataReceive = null; 20 private List<Object> listDataSend = null; 21 private Connection connection = null; 22 private PreparedStatement preparedStatement = null; 23 private ResultSet resultSet = null; 24
25 public MainDB(){ 26
27 } 28 /*
29 * @base 当前数据库连接 30 * @dataTransfer 当前数据库连接的数据 31 */
32 public MainDB(DataTransfer<List<Object>> dataTransfer , JDBCDataBase base){ 33 this.connection = base.example(); 34 this.listDataReceive = dataTransfer.transfer(); 35 } 36
37 public List<Object> getListDataSend() { 38 return listDataSend; 39 } 40 public void setListDataSend(List<Object> listDataSend) { 41 this.listDataSend = listDataSend; 42 } 43 public int select(String sql) { 44 // TODO Auto-generated method stub
45 try { 46 preparedStatement = connection.prepareStatement(sql,ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY); 47 int index = 1; 48 for(Object object : listDataReceive){ 49 preparedStatement.setString(index++, (String)object); 50 } 51 resultSet = preparedStatement.executeQuery(); 52 resultSet.last(); 53 if(resultSet.getRow() == 1){ 54 List<Object> list = new ArrayList<Object>(); 55 list.addAll(Arrays.asList(resultSet.getString("userId") 56 ,resultSet.getString("userName") 57 ,resultSet.getString("account") 58 ,resultSet.getString("password") 59 ,resultSet.getString("phone") 60 ,resultSet.getString("email") 61 ,resultSet.getString("sex"))); 62 setListDataSend(list); 63 return 1; 64 } 65
66
67 } catch (SQLException e) { 68 // TODO Auto-generated catch block
69 e.printStackTrace(); 70 }finally{ 71 //close();
72 } 73
74 return 0; 75 } 76
77 public List<Object> transfer() { 78 // TODO Auto-generated method stub
79 return this.listDataSend; 80 } 81
82 public void close(){ 83 if(resultSet != null){ 84 try { 85 resultSet.close(); 86 } catch (SQLException e) { 87 // TODO Auto-generated catch block
88 e.printStackTrace(); 89 } 90 } 91 if(preparedStatement != null){ 92 try { 93 preparedStatement.close(); 94 } catch (SQLException e) { 95 // TODO Auto-generated catch block
96 e.printStackTrace(); 97 } 98 } 99 if(connection != null){ 100 try { 101 connection.close(); 102 } catch (SQLException e) { 103 // TODO Auto-generated catch block
104 e.printStackTrace(); 105 } 106 } 107 } 108 public int insert(String sql) { 109 int msg = 0; 110 try { 111 if(listDataReceive != null){ 112 preparedStatement = connection.prepareStatement(sql); 113 int index = 1; 114 for(Object object : listDataReceive){ 115 preparedStatement.setString(index++, (String)object); 116 } 117 msg = preparedStatement.executeUpdate(); 118 } 119 } catch (SQLException e) { 120 // TODO Auto-generated catch block
121 e.printStackTrace(); 122 }finally{ 123 close(); 124 } 125 return msg; 126 } 127
128 public int delete(String sql) { 129 int msg = 0; 130 try { 131 if(listDataReceive != null){ 132 preparedStatement = connection.prepareStatement(sql); 133 int index = 1; 134 for(Object object : listDataReceive){ 135 preparedStatement.setString(index++, (String)object); 136 } 137 msg = preparedStatement.executeUpdate(); 138 } 139 } catch (SQLException e) { 140 // TODO Auto-generated catch block
141 e.printStackTrace(); 142 }finally{ 143 close(); 144 } 145 return msg; 146
147 } 148 public int selectAll(String sql) { 149 // TODO Auto-generated method stub
150 List<Object> total = new ArrayList<Object>(); 151 List<Object> row = null; 152 try { 153 PreparedStatement preparedStatement = connection.prepareStatement(sql); 154 resultSet = preparedStatement.executeQuery(); 155 while (resultSet.next()) { 156 if(row == null){ 157 row = new ArrayList<Object>(); 158 row.addAll(Arrays.asList(resultSet.getString("userId"), 159 resultSet.getString("userName"), 160 resultSet.getString("account"), 161 resultSet.getString("phone"), 162 resultSet.getString("email"), 163 resultSet.getString("password"), 164 resultSet.getString("sex"))); 165 total.addAll(row); 166 } 167 row = null; 168 } 169 setListDataSend(total); 170 //if(listDataSend != null){
171 return 1; 172 //}
173 } catch (SQLException e) { 174 // TODO Auto-generated catch block
175 e.printStackTrace(); 176 } 177 return 0; 178 } 179 }
RegisterDB.java:
1 package com.yuw.accessDB; 2
3 import java.sql.Connection; 4 import java.sql.PreparedStatement; 5 import java.sql.SQLException; 6 import java.util.List; 7
8 import com.yuw.dataAccess.InsertData; 9 import com.yuw.jdbc.example.JDBCDataBase; 10 import com.yuw.transfer.DataTransfer; 11
12 public class RegisterDB implements InsertData { 13
14 // 接收数据
15 private List<Object> listDataReceive = null; 16 private Connection connection = null; 17 private PreparedStatement preparedStatement = null; 18
19 public RegisterDB(){ 20
21 } 22 /*
23 * @base 当前数据库连接 24 * @dataTransfer 当前数据库连接的数据 25 */
26 public RegisterDB(DataTransfer<List<Object>> dataTransfer , JDBCDataBase base){ 27 this.connection = base.example(); 28 this.listDataReceive = dataTransfer.transfer(); 29 } 30 /*
31 * @see dataAccess.InsertData#insert(java.lang.String) 32 */
33 public int insert(String sql) { 34 int msg = 0; 35 try { 36 if(listDataReceive != null){ 37 preparedStatement = connection.prepareStatement(sql); 38 int index = 1; 39 for(Object object : listDataReceive){ 40 preparedStatement.setString(index++, (String)object); 41 } 42 msg = preparedStatement.executeUpdate(); 43 } 44 } catch (SQLException e) { 45 // TODO Auto-generated catch block
46 e.printStackTrace(); 47 }finally{ 48 close(); 49 } 50 return msg; 51 } 52 /*
53 * 关闭 54 */
55 public void close(){ 56 if(preparedStatement != null){ 57 try { 58 preparedStatement.close(); 59 } catch (SQLException e) { 60 // TODO Auto-generated catch block
61 e.printStackTrace(); 62 } 63 } 64 if(connection != null){ 65 try { 66 connection.close(); 67 } catch (SQLException e) { 68 // TODO Auto-generated catch block
69 e.printStackTrace(); 70 } 71 } 72 } 73 }
AlterData.java:
1 package com.yuw.dataAccess; 2
3 /*
4 * 修改数据 5 */
6 public interface AlterData 7 { 8 int alter(String sql); 9 }
DeleteData.java:
1 package com.yuw.dataAccess; 2 /*
3 * 删除数据 4 */
5 public interface DeleteData 6 { 7
8 int delete(String sql); 9 }
InsertData.java:
1 package com.yuw.dataAccess; 2
3 /*
4 * 插入数据 5 */
6 public interface InsertData{ 7
8 int insert(String sql); 9 }
SelectData.java:
1 package com.yuw.dataAccess; 2 /*
3 * 查询数据 4 */
5 public interface SelectData 6 { 7
8 int select(String sql); 9
10 int selectAll(String sql); 11 }
JDBCDataBase.java:
1 package com.yuw.jdbc.example; 2
3 import java.sql.Connection; 4 /** 5 * 数据库连接 6 */
7 public interface JDBCDataBase{ 8
9 Connection example(); 10 }
SQLserverJDBC.java:
1 package com.yuw.jdbc.example; 2
3 import java.sql.Connection; 4 import java.sql.DriverManager; 5 /*
6 * 连接 sql server 2012 数据库 7 */
8 public class SQLserverJDBC implements JDBCDataBase{ 9 private static final String DriverName = "com.microsoft.sqlserver.jdbc.SQLServerDriver"; 10 private static final String URL = "jdbc:sqlserver://localhost:1433;DatabaseName=testDB"; 11 private static final String UserName = "sa"; 12 private static final String UserCipher = "123456"; 13 /*
14 * 单例模式：整个应用只实例化JDBC一个 15 */
16 private SQLserverJDBC() { 17
18 } 19 private static class LazyHolder { 20 private static final SQLserverJDBC sqlserverJDBC = new SQLserverJDBC(); 21 } 22
23 public static final SQLserverJDBC getInstance() { 24 return LazyHolder.sqlserverJDBC; 25 } 26 public Connection example() { 27 Connection dataBase = null; 28 try{ 29 Class.forName(DriverName); 30 dataBase = DriverManager.getConnection(URL, UserName, UserCipher); 31 } catch (Exception e ){ 32 // TODO Auto-generated catch block
33 System.out.println("连接失败"); 34 e.printStackTrace(); 35 } 36 return dataBase; 37 } 38
39 }
LoginServlet.java:
1 package com.yuw.servlet; 2
3 import java.io.IOException; 4 import java.io.UnsupportedEncodingException; 5 import java.util.ArrayList; 6 import java.util.Arrays; 7 import java.util.List; 8
9 import javax.servlet.ServletException; 10 import javax.servlet.http.HttpServlet; 11 import javax.servlet.http.HttpServletRequest; 12 import javax.servlet.http.HttpServletResponse; 13
14 import com.yuw.accessDB.LoginDB; 15 import com.yuw.dataAccess.SelectData; 16 import com.yuw.jdbc.example.SQLserverJDBC; 17 import com.yuw.transfer.DataTransfer; 18
19
20 public class LoginServlet extends HttpServlet implements DataTransfer<List<Object>>{ 21
22 private static final long serialVersionUID = 1L; 23 // 发送数据
24 private List<Object> listDataSend = null; 25
26 public List<Object> getListDataSend() { 27 return listDataSend; 28 } 29
30 public void setListDataSend(List<Object> listDataSend) { 31 this.listDataSend = listDataSend; 32 } 33
34 public void doPost(HttpServletRequest request, HttpServletResponse response) 35 throws ServletException, IOException { 36 response.setContentType("text/plain; charset=utf-8"); 37
38 List<Object> data = new ArrayList<Object>(); 39 data.addAll(Arrays.asList(toCharacterEncoding(request.getParameter("account")), 40 toCharacterEncoding(request.getParameter("passwords")))); 41 setListDataSend(data); 42 final String sql = "select * from user_Account where account = ? and password = ?;"; 43 int t = select(sql); 44 request.setAttribute("is",t); 45 request.setAttribute("ACCOUNT",request.getParameter("account")); 46 request.getRequestDispatcher("index.jsp").forward(request, response); 47
48
49 } 50 /*
51 * 查询 52 */
53 public int select(String sql){ 54 //正在发送数据信息
55 LoginDB loginDB = new LoginDB(this, SQLserverJDBC.getInstance()); 56 return selectUsersAccount(loginDB,sql); 57
58 } 59 private int selectUsersAccount(SelectData selectData ,String sql){ 60
61 return selectData.select(sql); 62
63 } 64 public List<Object> transfer() { 65 // TODO Auto-generated method stub
66 return this.listDataSend; 67 } 68 /*
69 * 处理乱码 70 */
71 public String toCharacterEncoding(String str) throws UnsupportedEncodingException{ 72
73 return new String(str.getBytes("iso-8859-1"),"utf-8"); 74
75 } 76
77 }
MainServlet.java:
1 package com.yuw.servlet; 2
3 import java.io.IOException; 4 import java.io.UnsupportedEncodingException; 5 import java.util.ArrayList; 6 import java.util.Arrays; 7 import java.util.List; 8
9 import javax.servlet.ServletException; 10 import javax.servlet.http.HttpServlet; 11 import javax.servlet.http.HttpServletRequest; 12 import javax.servlet.http.HttpServletResponse; 13
14 import org.junit.Test; 15
16 import com.yuw.accessDB.MainDB; 17 import com.yuw.dataAccess.DeleteData; 18 import com.yuw.dataAccess.InsertData; 19 import com.yuw.dataAccess.SelectData; 20 import com.yuw.jdbc.example.SQLserverJDBC; 21 import com.yuw.transfer.DataTransfer; 22 import com.yuw.transfer.DataTransferReport; 23
24 public class MainServlet extends HttpServlet implements DataTransfer<List<Object>>{ 25
26 private static final long serialVersionUID = 1L; 27 private static final int ONE = 1; 28 // 发送数据
29 private List<Object> listDataSend = null; 30 // 接收数据
31 private List<Object> listDataReceive = null; 32 private MainDB mainDB = null; 33 //前台标识
34 private final String[] flag = new String[]{"userId","userName","account","passwords","phone","email","sex"}; 35 static String le = ""; 36 public List<Object> getListDataReceive() { 37 return listDataReceive; 38 } 39
40 public void setListDataReceive(DataTransferReport<List<Object>> dataTransferReport) { 41 this.listDataReceive = dataTransferReport.transfer(); 42 } 43
44 public List<Object> getListDataSend() { 45 return listDataSend; 46 } 47
48
49 public void setListDataSend(List<Object> listDataSend) { 50 this.listDataSend = listDataSend; 51 } 52
53 public void doPost(HttpServletRequest request, HttpServletResponse response) 54 throws ServletException, IOException { 55
56 response.setContentType("text/plain; charset=utf-8"); 57 List<Object> data = new ArrayList<Object>(); 58 if("select".equals(request.getParameter("Type"))){ 59 data.addAll(Arrays.asList(toCharacterEncoding(request.getParameter("accounts")))); 60 setListDataSend(data); 61 final String sql = "select users.*,user_Account.password from users,user_Account where users.account = user_Account.account and user_Account.account = ?;"; 62 int index = 0; 63 if(select(sql) == ONE){ 64 for(Object object : listDataReceive){ 65 request.setAttribute(flag[index++], (String)object); 66 } 67 request.setAttribute("isSelect", "1"); 68 request.getRequestDispatcher("main.jsp").forward(request, response); 69 } 70 }else if("saves".equals(request.getParameter("Type"))){ 71 data.addAll(Arrays.asList(toCharacterEncoding(request.getParameter("account")), 72 toCharacterEncoding(request.getParameter("account")), 73 toCharacterEncoding(request.getParameter("account")), 74 toCharacterEncoding(request.getParameter("password")), 75 toCharacterEncoding(request.getParameter("ids")), 76 toCharacterEncoding(request.getParameter("name")), 77 toCharacterEncoding(request.getParameter("account")), 78 toCharacterEncoding(request.getParameter("phone")), 79 toCharacterEncoding(request.getParameter("email")), 80 toCharacterEncoding(request.getParameter("sex")))); 81 setListDataSend(data); 82 final String sql = "begin tran saves "+
83 "delete users where account=?;"+
84 "delete user_Account where account=?;"+
85 "insert into user_Account values(?,?);"+
86 "insert into users values(?,?,?,?,?,?);"+
87 "commit tran saves"; 88 if(insert(sql) == ONE){ 89 request.setAttribute("isInsert", "1"); 90 request.getRequestDispatcher("main.jsp").forward(request, response); 91 } 92 }else if("cancel".equals(request.getParameter("Type"))){ 93 data.addAll(Arrays.asList(toCharacterEncoding(request.getParameter("accounts")), 94 toCharacterEncoding(request.getParameter("accounts")))); 95 setListDataSend(data); 96 final String sql ="begin tran deletes "+
97 "delete users where account=?;"+
98 "delete user_Account where account=?;"+
99 "commit tran deletes"; 100 if(delete(sql) == ONE){ 101 request.setAttribute("isDelete", "1"); 102 request.getRequestDispatcher("main.jsp").forward(request, response); 103 } 104 }else if("all".equals(request.getParameter("Type"))){ 105 final String sql = "select users.*,user_Account.password from users, user_Account where users.account = user_Account.account;"; 106 if(selectAll(sql) == ONE){ 107 request.setAttribute("isSelectAll", "1"); 108 request.setAttribute("listAllData", listDataReceive); 109 request.getRequestDispatcher("main.jsp").forward(request, response); 110 } 111 } 112 } 113 @Test 114 public void TestselectAll(){ 115 final String sql = "select * from users, user_Account where users.account = user_Account.account;"; 116 MainServlet mainServlet = new MainServlet(); 117 if(mainServlet.selectAll(sql) ==1){ 118 for(Object object : listDataReceive){ 119 System.out.println(object); 120 } 121 } 122 } 123 public int selectAll(String sql){ 124 //正在发送数据信息
125 mainDB = new MainDB(this, SQLserverJDBC.getInstance()); 126 return selectAllUsersAccount(mainDB,sql); 127 } 128
129 private int selectAllUsersAccount(SelectData selectData,String sql){ 130 int t = selectData.selectAll(sql); 131 setListDataReceive(mainDB); 132 return t; 133 } 134 public int delete(String sql){ 135 //正在发送数据信息
136 mainDB = new MainDB(this, SQLserverJDBC.getInstance()); 137 return deleteUsersAccount(mainDB,sql); 138 } 139
140 private int deleteUsersAccount(DeleteData deleteData,String sql){ 141 return deleteData.delete(sql); 142 } 143
144 public int insert(String sql){ 145 //正在发送数据信息
146 mainDB = new MainDB(this, SQLserverJDBC.getInstance()); 147 return insertUsersAccount(mainDB,sql); 148 } 149
150 private int insertUsersAccount(InsertData insertData,String sql){ 151 return insertData.insert(sql); 152 } 153
154 public int select(String sql){ 155 //正在发送数据信息
156 mainDB = new MainDB(this, SQLserverJDBC.getInstance()); 157 return selectUsersAccount(mainDB,sql); 158
159 } 160
161 private int selectUsersAccount(SelectData selectData ,String sql){ 162 int t = selectData.select(sql); 163 setListDataReceive(mainDB); 164 return t; 165
166 } 167
168 public List<Object> transfer() { 169 // TODO Auto-generated method stub
170 return this.listDataSend; 171 } 172
173 public String toCharacterEncoding(String str) throws UnsupportedEncodingException{ 174 return new String(str.getBytes("iso-8859-1"),"utf-8"); 175
176 } 177 }
RegisterServlet.java:
1 package com.yuw.servlet; 2
3 import java.io.IOException; 4 import java.io.UnsupportedEncodingException; 5 import java.util.ArrayList; 6 import java.util.Arrays; 7 import java.util.List; 8
9 import javax.servlet.ServletException; 10 import javax.servlet.http.HttpServlet; 11 import javax.servlet.http.HttpServletRequest; 12 import javax.servlet.http.HttpServletResponse; 13
14 import com.yuw.accessDB.RegisterDB; 15 import com.yuw.dataAccess.InsertData; 16 import com.yuw.jdbc.example.SQLserverJDBC; 17 import com.yuw.transfer.DataTransfer; 18
19
20 public class RegisterServlet extends HttpServlet implements DataTransfer<List<Object>>{ 21
22 private static final long serialVersionUID = 1L; 23 // 发送数据
24 private List<Object> listDataSend = null; 25
26 public List<Object> getListDataSend() { 27 return listDataSend; 28 } 29
30
31 public void setListDataSend(List<Object> listDataSend) { 32 this.listDataSend = listDataSend; 33 } 34
35
36 public void doPost(HttpServletRequest request, HttpServletResponse response) 37 throws ServletException, IOException { 38
39 response.setContentType("text/plain; charset=utf-8"); 40 List<Object> data = new ArrayList<Object>(); 41 data.addAll(Arrays.asList(toCharacterEncoding(request.getParameter("account")), 42 toCharacterEncoding(request.getParameter("password1")), 43 toCharacterEncoding(request.getParameter("user_id")), 44 toCharacterEncoding(request.getParameter("user_name")), 45 toCharacterEncoding(request.getParameter("account")), 46 toCharacterEncoding(request.getParameter("phone")), 47 toCharacterEncoding(request.getParameter("email")), 48 toCharacterEncoding(request.getParameter("sex")))); 49
50 setListDataSend(data); 51 final String sql = "begin tran insets "+
52 "insert into user_Account values(?,?);"+
53 "insert into users values(?,?,?,?,?,?);"+
54 "commit tran insets"; 55 int t = insert(sql); 56 request.setAttribute("is",t); 57 request.getRequestDispatcher("register.jsp").forward(request, response); 58 } 59 /*
60 * 插入 61 */
62 public int insert(String sql) { 63 //正在发送数据信息
64 RegisterDB registerDB = new RegisterDB(this, SQLserverJDBC.getInstance()); 65 return insertUser(registerDB,sql); 66 } 67 /*
68 * 插入 69 */
70 private int insertUser(InsertData insertData , String sql){ 71
72 return insertData.insert(sql); 73
74 } 75
76 public String toCharacterEncoding(String str) throws UnsupportedEncodingException{ 77 return new String(str.getBytes("iso-8859-1"),"utf-8"); 78
79 } 80
81 public List<Object> transfer() { 82 // TODO Auto-generated method stub
83 return this.listDataSend; 84 } 85 }
DataTransfer.java:
1 package com.yuw.transfer; 2
3 public interface DataTransfer<T>{ 4 /*
5 * 数据集通讯 6 * Selvlet与DB进行数据交互的中间件 7 */
8 T transfer(); 9 }
DataTransferReport.java:
1 package com.yuw.transfer; 2
3 public interface DataTransferReport<T>
4 { 5
6 /*
7 * 数据集通讯(回送) 8 * DB与Servlet进行数据交互的中间件 9 */
10 T transfer(); 11
12 }