Posted on 2008-07-19 15:43
追梦人 阅读(177)
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/**
* 删除文件
* @param strPath
*/
public static void deleteFile(String strPath){
file = new File(strPath);
if(file.exists()){
file.delete();
}else{
log.error(strPath+"不存在");
}
}
/**
* 使用inputstreamreader读取文件(处理了中文和换行);
* @param filePath
* @return
* @throws Exception
*/
public static String readfile(String filePath) throws Exception
{
String str = "";
File f = new File(filePath);
if(!f.exists())
{
return "";
}
InputStreamReader read = new InputStreamReader (new FileInputStream(f),"UTF-8");
BufferedReader reader=new BufferedReader(read);
String line;
while ((line = reader.readLine()) != null)
{
str += line + "\n";
}
reader.close();
return str;
}
/**
* 使用FileInputStream读取文件(处理了空格与换行)
* @param filePath
* @return
* @throws Exception
*/
public static String readfile2(String filePath) throws Exception
{
String str = "";
FileInputStream inputtextfile=new FileInputStream(filePath);
// InputStreamReader isr = new InputStreamReader(inputtextfile, "UTF-8");
int len=inputtextfile.available();
BufferedInputStream buffer1=new BufferedInputStream(inputtextfile);
byte bufferArray[]=new byte[len];
int n=0;
while((n=buffer1.read(bufferArray))!=-1)
{
String temp=new String(bufferArray,0,n);
temp = new String(temp.getBytes("GBK"), "utf-8");
str += temp;
}
buffer1.close();
inputtextfile.close();
return str;
}
/**
* 写入文件(中文处理)
* @param path
* @param text
*/
public static void writeText(String path, String text)
{
try
{
FileOutputStream o = new FileOutputStream(path);
o.write(text.getBytes("utf-8"));
o.close();
} catch(Exception e)
{
e.printStackTrace();
}
}