oracle+servlet+extjs4 分页表格布局示例代码
浏览数：15 /
时间：2015年06月12日
Log.java
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 }
LogDAO.java
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 block 92 e.printStackTrace(); 93 } 94 return total; 95 } 96 }
LogServlet.java
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 @Override 20 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 }
grid.js
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 });
index.jsp
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>
web.xml
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.LogServlet 11 </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>
郑重声明：本站内容如果来自互联网及其他传播媒体，其版权均属原媒体及文章作者所有。转载目的在于传递更多信息及用于网络分享，并不代表本站赞同其观点和对其真实性负责，也不构成任何其他建议。
