();
18 | Connection conn = null;
19 | try {
20 | conn = DBTools.getConnection();
21 | Statement st = conn.createStatement();
22 | ResultSet set = st.executeQuery(sql);
23 | while(set.next()){
24 | userInfo user = new userInfo();
25 | user.setId(set.getString("id"));
26 | user.setUser(set.getString("user"));
27 | user.setPassword(set.getString("password"));
28 | user.setPhone(set.getString("phone"));
29 | user.setIdentity(set.getString("identity"));
30 | list.add(user);
31 | }
32 | if(list.size()==0){
33 | return null;
34 | }
35 | } catch (SQLException e) {
36 | // TODO Auto-generated catch block
37 | e.printStackTrace();
38 | }finally{
39 | DBTools.close(conn);
40 | }
41 | return list;
42 | }
43 |
44 |
45 | public static userInfo findByName(String name){
46 | userInfo user = new userInfo();
47 | Connection conn = null;
48 | String sql = "select * from userinfo where user='"+name+"'";
49 | try {
50 | conn = DBTools.getConnection();
51 | Statement statement = conn.createStatement();
52 | ResultSet set = statement.executeQuery(sql);
53 | if(set.next()==false){
54 | return null;
55 | }else{
56 | //userInfo user = new userInfo();
57 | user.setId(set.getString("id"));
58 | user.setUser(set.getString("user"));
59 | user.setPassword(set.getString("password"));
60 | user.setPhone(set.getString("phone"));
61 | user.setIdentity(set.getString("identity"));
62 | //list.add(user);
63 | }
64 | } catch (SQLException e) {
65 | // TODO Auto-generated catch block
66 | e.printStackTrace();
67 | }finally{
68 | DBTools.close(conn);
69 | }
70 | return user;
71 | }
72 |
73 | public static void addUser(userInfo user){
74 | StringBuffer sql = new
75 | StringBuffer("insert into userinfo(id, user, password, identity, phone) values(");
76 | sql.append("'").append(user.getId()).append("',");
77 | sql.append("'").append(user.getUser()).append("',");
78 | sql.append("'").append(user.getPassword()).append("',");
79 | sql.append("'").append(user.getIdentity()).append("',");
80 | sql.append("'").append(user.getPhone()).append("')");
81 | Connection conn = null;
82 | try {
83 | conn = DBTools.getConnection();
84 | Statement statement = conn.createStatement();
85 | statement.executeUpdate(sql.toString());
86 | //statement.executeUpdate(sql.toString());
87 | } catch (SQLException e) {
88 | // TODO Auto-generated catch block
89 | e.printStackTrace();
90 | }finally{
91 | DBTools.close(conn);
92 | }
93 | //System.out.println(sql.toString());
94 | }
95 | public static void main(String[] args) {
96 | // TODO Auto-generated method stub
97 |
98 | }
99 |
100 | }
101 |
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/webJava/WebContent/html/updateEmp.jsp:
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1 | <%@ page language="java" contentType="text/html; charset=utf-8"
2 | pageEncoding="utf-8"%>
3 | <%@ page import="com.tedu.entity.* "%>
4 |
5 |
6 |
7 |
8 | 修改员工
9 |
80 |
81 |
82 |
83 | 导航区域
84 | <%
85 | Emp emp = (Emp)request.getAttribute("emp");
86 |
87 | %>
88 |
112 |
113 |
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/webJava/WebContent/html/listEmp.jsp:
--------------------------------------------------------------------------------
1 | <%@ page language="java" contentType="text/html; charset=utf-8"
2 | pageEncoding="utf-8"%>
3 | <%@ page import="com.tedu.entity.*, java.util.*" %>
4 |
5 |
6 |
7 |
8 | 员工信息
9 |
10 |
83 |
84 |
85 |
86 | 导航区域
87 |
88 |
欢迎
89 |
90 |
91 | | ID |
92 | 姓名 |
93 | 年龄 |
94 | 工资 |
95 | 操作 |
96 |
97 | <%
98 | List emps = (List)request.getAttribute("emps");
99 | if(null == emps){
100 | %>
101 |
102 | | 没有数据 |
103 |
104 | <%
105 | }else{
106 | for(int i = 0; i < emps.size(); i++){
107 | Emp emp = emps.get(i);
108 | %>
109 |
110 | | <%=emp.getId() %> |
111 | <%=emp.getName() %> |
112 | <%=emp.getAge() %> |
113 | <%=emp.getSalary() %> |
114 |
115 | 删除
117 | 修改
118 | |
119 | <%
120 | }
121 | }
122 | %>
123 |
124 |
126 |
8 | * UUID 辅助工具.
9 | * Description:
10 | *
11 | * Author: zhouguangyong@iyooc.cn
12 | * Date: 2014-01-01 上午10:00:01
13 | * Copyright: Copyright ©2006-2015 iyooc.cn Technology Co., Ltd. All rights reserved.
14 | * Changelog:
15 | * Ver Date Author Detail
16 | * ----------------------------------------------------------------------
17 | * 1.0 2014-01-01 10:00:01 zhouguangyong@iyooc.cn
18 | * new file.
19 | *
20 | */
21 | public abstract class UUIDUtil {
22 |
23 | protected static final String IP;
24 |
25 | protected static final String JVM;
26 |
27 | protected static short COUNTER = (short) 0;
28 |
29 | protected static final Object _lock = new Object();
30 |
31 | static {
32 | int ip;
33 | try {
34 | // System.out.println(InetAddress.getLocalHost().getHostAddress());
35 | InetAddress ia = InetAddress.getLocalHost();
36 | // String _ip = ia.getHostAddress();
37 | ip = toInt(ia.getAddress());
38 | } catch (Exception e) {
39 | ip = 0;
40 | }
41 | String _ip = Integer.toHexString(ip);
42 | StringBuffer sb = new StringBuffer("00000000");
43 | sb.replace(8 - _ip.length(), 8, _ip);
44 | IP = sb.toString();
45 |
46 | int jvm = (int) (System.currentTimeMillis() >>> 8);
47 | String _jvm = Integer.toHexString(jvm);
48 | StringBuffer jvmSb = new StringBuffer("00000000");
49 | jvmSb.replace(8 - _jvm.length(), 8, _jvm);
50 | JVM = jvmSb.toString();
51 | }
52 |
53 | /**
54 | * 受保护的构造方法, 防止外部构建对象实例.
55 | */
56 | protected UUIDUtil() {
57 | super();
58 | }
59 |
60 | /**
61 | * 二进制转换为Int值.
62 | *
63 | * @param bytes
64 | * @return int
65 | */
66 | public static int toInt(byte[] bytes) {
67 | int result = 0;
68 | for (int i = 0; i < 4; i++) {
69 | result = (result << 8) - Byte.MIN_VALUE + (int) bytes[i];
70 | }
71 | return result;
72 | }
73 |
74 | /**
75 | * Unique in a millisecond for this JVM instance (unless there are >
76 | * Short.MAX_VALUE instances created in a millisecond)
77 | */
78 | protected static short getCount() {
79 | synchronized (_lock) {
80 | if (COUNTER < 0) {
81 | COUNTER = 0;
82 | }
83 | return COUNTER++;
84 | }
85 | }
86 |
87 | /**
88 | * 生成数据库记录PK(模拟Hibernate中的UUID策略).
89 | *
90 | * @return String
91 | */
92 | public static String getUuid() {
93 | StringBuffer sb = new StringBuffer(36);
94 | sb.append(IP).append(JVM);
95 |
96 | short hitime = (short) (System.currentTimeMillis() >>> 32);
97 | String _hitime = Integer.toHexString(hitime);
98 | StringBuffer hitimeSb = new StringBuffer("0000");
99 | hitimeSb.replace(4 - _hitime.length(), 4, _hitime);
100 | sb.append(hitimeSb);
101 |
102 | int lotime = (int) System.currentTimeMillis();
103 | String _lotime = Integer.toHexString(lotime);
104 | StringBuffer lotimeSb = new StringBuffer("00000000");
105 | lotimeSb.replace(8 - _lotime.length(), 8, _lotime);
106 | sb.append(lotimeSb);
107 |
108 | short count = getCount();
109 | String _count = Integer.toHexString(count);
110 | StringBuffer countSb = new StringBuffer("0000");
111 | countSb.replace(4 - _count.length(), 4, _count);
112 | sb.append(countSb);
113 |
114 | return sb.toString().toUpperCase();
115 | }
116 |
117 | public static String getUuid32(){
118 | return UUID.randomUUID().toString().replace("-", "");
119 | }
120 | }
121 |
--------------------------------------------------------------------------------
10 |
16 |
17 |
18 |
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/webJava/WebContent/index.jsp:
--------------------------------------------------------------------------------
1 | <%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>
2 | <%
3 | String path = request.getContextPath();
4 | String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
5 | %>
6 |
7 |
8 |
9 |
10 |