1 package com.example.entity;  2   3 import java.util.Date;  4   5 public class Log {  6   7     private int id;  8     private Date timestamp;  9     private String module; 10     private String function; 11     private String method; 12     private String userId; 13     private String userName; 14     private String localIp; 15     private String remoteIp; 16     private int type; 17     private String fileName; 18     private int fileSize; 19     private String params; 20     private int success; 21     private String error; 22     public String getError() { 23         return error; 24     } 25     public void setError(String error) { 26         this.error = error; 27     } 28     public String getFileName() { 29         return fileName; 30     } 31     public void setFileName(String fileName) { 32         this.fileName = fileName; 33     } 34     public int getFileSize() { 35         return fileSize; 36     } 37     public void setFileSize(int fileSize) { 38         this.fileSize = fileSize; 39     } 40     public String getFunction() { 41         return function; 42     } 43     public void setFunction(String function) { 44         this.function = function; 45     } 46     public int getId() { 47         return id; 48     } 49     public void setId(int id) { 50         this.id = id; 51     } 52     public String getLocalIp() { 53         return localIp; 54     } 55     public void setLocalIp(String localIp) { 56         this.localIp = localIp; 57     } 58     public String getMethod() { 59         return method; 60     } 61     public void setMethod(String method) { 62         this.method = method; 63     } 64     public String getModule() { 65         return module; 66     } 67     public void setModule(String module) { 68         this.module = module; 69     } 70     public String getParams() { 71         return params; 72     } 73     public void setParams(String params) { 74         this.params = params; 75     } 76     public String getRemoteIp() { 77         return remoteIp; 78     } 79     public void setRemoteIp(String remoteIp) { 80         this.remoteIp = remoteIp; 81     } 82     public int getSuccess() { 83         return success; 84     } 85     public void setSuccess(int success) { 86         this.success = success; 87     } 88     public Date getTimestamp() { 89         return timestamp; 90     } 91     public void setTimestamp(Date timestamp) { 92         this.timestamp = timestamp; 93     } 94     public int getType() { 95         return type; 96     } 97     public void setType(int type) { 98         this.type = type; 99     }100     public String getUserId() {101         return userId;102     }103     public void setUserId(String userId) {104         this.userId = userId;105     }106     public String getUserName() {107         return userName;108     }109     public void setUserName(String userName) {110         this.userName = userName;111     }112     113 }

 1 package com.example.DAO; 2  3 import java.sql.Connection; 4 import java.sql.DriverManager; 5 import java.sql.PreparedStatement; 6 import java.sql.ResultSet; 7 import java.sql.SQLException; 8 import java.util.ArrayList; 9 import java.util.List;10 11 12 import com.example.entity.Log;13 14 15 public class LogDAO {16 17     private static Connection getConn() {18         String driver = "oracle.jdbc.driver.OracleDriver";19         String url = "jdbc:oracle:thin:@192.168.97.201:1521:fznop";20         String username = "bi_swxt";21         String password = "swxt2013";22         Connection conn = null;23         try {24             Class.forName(driver);25             // new oracle.jdbc.driver.OracleDriver();26             conn = DriverManager.getConnection(url, username, password);27         }28         catch (ClassNotFoundException e) {29             e.printStackTrace();30         }31         catch (SQLException e) {32             e.printStackTrace();33         }34 35         return conn;36     }37     38     public static List<Log> findAll(int start, int limit) {39         int s = start +1;40         int e = start + limit;41         Connection conn = getConn();42         String sql = "select id,timestamp,module,function,method,user_id,user_name,local_ip," +43                 "remote_ip,type,file_name,file_size,params,success,error from (select r.*, rownum as d " +44                 "from (select * from system_log) r where rownum <= " +e + ") where d >= " +s;45         PreparedStatement pstmt;46         List<Log> list = new ArrayList<Log>();47         48             try {49                 pstmt = conn.prepareStatement(sql);50                 ResultSet rs = pstmt.executeQuery();51                 while (rs.next()) {52                     Log log = new Log();53                     log.setId(rs.getInt(1));54                     log.setTimestamp(rs.getDate(2));55                     log.setModule(rs.getString(3));56                     log.setFunction(rs.getString(4));57                     log.setMethod(rs.getString(5));58                     log.setUserId(rs.getString(6));59                     log.setUserName(rs.getString(7));60                     log.setLocalIp(rs.getString(8));61                     log.setRemoteIp(rs.getString(9));62                     log.setType(rs.getInt(10));63                     log.setFileName(rs.getString(11));64                     log.setFileSize(rs.getInt(12));65                     log.setParams(rs.getString(13));66                     log.setSuccess(rs.getInt(14));67                     log.setError(rs.getString(15));68                     list.add(log);69                 }70                 rs.close();71                 pstmt.close();72                 conn.close();73             } catch (SQLException e1) {74                 e1.printStackTrace();75             }        76         return list;77     }78     79     public static int getTotal(){80         Connection conn = getConn();81         String sql = " select count(*) from system_log";82         PreparedStatement pstmt;83         int total = 0;84         try {85             pstmt = conn.prepareStatement(sql);86             ResultSet rs = pstmt.executeQuery();87             if(rs.next()){88                 total= rs.getInt(1);89             }90         } catch (SQLException e) {91             // TODO Auto-generated catch block92             e.printStackTrace();93         }94         return total;95     }96 }

 1 package com.example.servlet; 2  3 import java.io.IOException; 4 import java.io.PrintWriter; 5 import java.util.List; 6  7 import javax.servlet.ServletException; 8 import javax.servlet.http.HttpServlet; 9 import javax.servlet.http.HttpServletRequest;10 import javax.servlet.http.HttpServletResponse;11 12 import com.example.DAO.LogDAO;13 import com.example.entity.Log;14 15 public class LogServlet extends HttpServlet {16     17     private static final long serialVersionUID = -4798851845756886622L;18 19     @Override20     protected void doGet(HttpServletRequest req, HttpServletResponse resp)21             throws ServletException, IOException {22         int start = Integer.parseInt(req.getParameter("start"));23         int limit = Integer.parseInt(req.getParameter("limit"));24         LogDAO logDAO = new LogDAO();25         List<Log> list = logDAO.findAll(start , limit);26         int total = logDAO.getTotal();27         StringBuilder sb = new StringBuilder();28         sb.append("{results: " + total + ", rows:[");29         for (Log log : list) {30             sb.append("{");31             sb.append("ID : " + log.getId());32             sb.append(", TIMESTAMP : \‘" + log.getTimestamp() + "\‘");33             sb.append(", MODULE : \‘" + log.getModule() + "\‘");34             sb.append(", FUNCTION : \‘" + log.getFunction() + "\‘");35             sb.append(", METHOD : \‘" + log.getMethod() + "\‘");36             sb.append(", USER_ID : \‘" + log.getUserId() + "\‘");37             sb.append(", USER_NAME : \‘" + log.getUserName() + "\‘");38             sb.append(", LOCAL_IP : \‘" + log.getLocalIp() + "\‘");39             sb.append(", REMOTE_IP : \‘" + log.getRemoteIp() + "\‘");40             sb.append(", TYPE : " + log.getType());41             sb.append(", FILE_NAME : \‘" + log.getFileName() + "\‘");42             sb.append(", FILE_SIZE : " + log.getFileSize());43             sb.append(", PARAMS : \‘" + log.getParams() + "\‘");44             sb.append(", SUCCESS : " + log.getSuccess());45             sb.append(", ERROR : \‘" + log.getError() + "\‘");46             sb.append("},");47         }48 49         String json = sb.substring(0, sb.length() - 1);50 51         json += "]}";52         resp.setContentType("text/html");53         resp.setCharacterEncoding("UTF-8");54         PrintWriter out = resp.getWriter();55         out.println(json);56         out.close();57     }58 59 }

 1 Ext.onReady(function(){ 2         var itemsPerPage = 10; 3          4         var store = Ext.create(‘Ext.data.Store‘,{ 5             autoLoad: {start: 0, limit: itemsPerPage}, 6             fields: [‘ID‘,‘TIMESTAMP‘,‘MODULE‘,‘FUNCTION‘,‘METHOD‘,‘USER_ID‘,‘USER_NAME‘ 7                 ,‘LOCAL_IP‘,‘REMOTE_IP‘,‘TYPE‘,‘FILE_NAME‘,‘FILE_SIZE‘,‘PARAMS‘,‘SUCCESS‘,‘ERROR‘],//定义字段 8             pageSize: itemsPerPage, 9             proxy: {10                  type: ‘ajax‘,11                  url: ‘log.do‘,             12                  reader: {13                        type: ‘json‘,14                        root: ‘rows‘,15                        totalProperty: ‘results‘16                  }17             }18         });19         //创建Grid表格组件20         Ext.create(‘Ext.grid.Panel‘,{21             title : ‘Grid表格示例‘,22             renderTo: Ext.getBody(),23             width:1300,24             height:330,25             frame:true,26             store: store,27            28             columns: [//配置表格列29                 {header: "ID", width: 80, dataIndex: ‘ID‘, sortable: true},30                 {header: "TIMESTAMP", width: 80, dataIndex: ‘TIMESTAMP‘, sortable: true},31                 {header: "MODULE", width: 80, dataIndex: ‘MODULE‘, sortable: true},32                 {header: "FUNCTION", width: 80, dataIndex: ‘FUNCTION‘, sortable: true},33                 {header: "METHOD", width: 80, dataIndex: ‘METHOD‘, sortable: true},34                 {header: "USER_ID", width: 80, dataIndex: ‘USER_ID‘, sortable: true},35                 {header: "USER_NAME", width: 80, dataIndex: ‘USER_NAME‘, sortable: true},36                 {header: "LOCAL_IP", width: 80, dataIndex: ‘LOCAL_IP‘, sortable: true},37                 {header: "REMOTE_IP", width: 80, dataIndex: ‘REMOTE_IP‘, sortable: true},38                 {header: "TYPE", width: 80, dataIndex: ‘TYPE‘, sortable: true},39                 {header: "FILE_NAME", width: 80, dataIndex: ‘FILE_NAME‘, sortable: true},40                 {header: "FILE_SIZE", width: 80, dataIndex: ‘FILE_SIZE‘, sortable: true},41                 {header: "PARAMS", width: 80, dataIndex: ‘PARAMS‘, sortable: true},42                 {header: "SUCCESS", width: 80, dataIndex: ‘SUCCESS‘, sortable: true},43                 {header: "ERROR", width: 80, dataIndex: ‘ERROR‘, sortable: true}44             ],45             bbar:[{46                 xtype: ‘pagingtoolbar‘,47                 store: store,48                 displayInfo: true,49                 displayMsg: ‘显示第 {0} 条到 {1} 条记录，一共 {2} 条‘,50                 emptyMsg: "当前查询条件无数据,请重新查询"51             }]52         });53     });

 1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2 <html> 3     <head> 4         <title>MyTestWeb</title> 5         <link type="text/css" rel="stylesheet" href="resource/common/extjs/resources/css/ext-all-neptune.css" /> 6     </head> 7     <body > 8         <script type="text/javascript" src="resource/common/extjs/ext-all.js"></script> 9         <script type="text/javascript" src="resource/common/extjs/locale/ext-lang-zh_CN.js"></script>10         <script type="text/javascript" src="resource/common/extjs/packages/ext-theme-neptune/build/ext-theme-neptune.js"></script>11         <script type="text/javascript" src="resource/grid/grid.js"></script>12         <%--<div >13         </div>14     --%></body>15 </html>

 1 <?xml version="1.0" encoding="UTF-8"?> 2 <web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" 3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 4     xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee 5     http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> 6      7     <servlet> 8         <servlet-name>Log</servlet-name> 9         <servlet-class>10             com.example.servlet.LogServlet11         </servlet-class>12     </servlet>13     <servlet-mapping>14         <servlet-name>Log</servlet-name>15         <url-pattern>/log.do</url-pattern>16     </servlet-mapping>17 18     <welcome-file-list>19         <welcome-file>index.jsp</welcome-file>20     </welcome-file-list>21 </web-app>