java 操作文件
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package com.wodexiangce;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
/** *//**
* 按一定规律替换文本中的字符
* 个人文件操作记录
*
* @author <a href="mailto:lqinglong@yahoo.cn">qinglong.lu</a>
*
* 2008-3-26
*/
public class ReplayUtil ...{
public static void main(String[] args)throws IOException...{
FileReader f = null ;
BufferedReader br = null ;
FileWriter fw = null;
try ...{
f = new FileReader("d:\e.sql");
br = new BufferedReader(f);
fw = new FileWriter("d:\c.sql");
String line = null ;
String[] temp = null ;
int v = 0 ;
while((line=br.readLine())!=null)...{
if(line.trim().length()==0)...{
v= 0 ;
}
if(line.trim().startsWith("VALUES"))...{
temp = line.split(",");
int a = line.lastIndexOf(temp[2]);
String t = line.substring(0,a)+v+
line.substring(a+temp[2].length());
v++ ;
fw.write(t+" ");
} else...{
fw.write(line+" ");
}
}
fw.flush();
} catch (FileNotFoundException e) ...{
e.printStackTrace();
}
finally...{
if(br!=null)...{
br.close();
}
if(f!=null)
f.close();
if(fw!=null)...{
fw.close() ;
}
}
}
}
package com.wodexiangce;import java.io.BufferedReader;import java.io.FileNotFoundException;import java.io.FileReader;import java.io.FileWriter;import java.io.IOException;/** *//** * 按一定规律替换文本中的字符 * 个人文件操作记录 * * @author <a href="mailto:lqinglong@yahoo.cn">qinglong.lu</a> * * 2008-3-26 */public class ReplayUtil ...{ public static void main(String[] args)throws IOException...{ FileReader f = null ; BufferedReader br = null ; FileWriter fw = null; try ...{ f = new FileReader("d:\e.sql"); br = new BufferedReader(f); fw = new FileWriter("d:\c.sql"); String line = null ; String[] temp = null ; int v = 0 ; while((line=br.readLine())!=null)...{ if(line.trim().length()==0)...{ v= 0 ; } if(line.trim().startsWith("VALUES"))...{ temp = line.split(","); int a = line.lastIndexOf(temp[2]); String t = line.substring(0,a)+v+ line.substring(a+temp[2].length()); v++ ; fw.write(t+" "); } else...{ fw.write(line+" "); } } fw.flush(); } catch (FileNotFoundException e) ...{ e.printStackTrace(); } finally...{ if(br!=null)...{ br.close(); } if(f!=null) f.close(); if(fw!=null)...{ fw.close() ; } } }}如果图片或页面不能正常显示请点击这里 站内搜索：
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