怎样把一个字符串写入文件中？马上结帖

kingeyetiger 2003-03-27 04:29:22

我用：
fileoutputstream.write(line, ?, ?);
编译出现：
symbol : method write (java.lang.String,int,int)
location:class java.io.FileOutputStream fileoutputstream.write(line,0,1);

后两个参数是什么意思？

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zxhong 2003-03-27

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<%
StringBuffer txtConcent = new StringBuffer() ;
String sSrcName="c:\\test.txt";
txtConcent.append("abc") ;
try
{
java.io.PrintWriter pw = new java.io.PrintWriter(new java.io.FileWriter(sSrcName, true), true);
pw.println(txtConcent.toString());
}
catch (Exception e)
{

}

%>

kingeyetiger 2003-03-27

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String 类型的一个变量怎么放进文件里呢？

vcvj 2003-03-27

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偏移位字节开始与b[10]的话偏移3就从b[3]开始
共写出多少长度

Parameters:
b - the data.
off - the start offset in the data.
len - the number of bytes to write.

gzwrj 2003-03-27

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public static void writeFile(String str, String filename) throws Exception
{
// Open a writer to the file, then write the string.
BufferedWriter bwriter;//writer to the file
String fullfilepath;//path for the output file
try
{
bwriter = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(filename)));
bwriter.write(str);
bwriter.flush();
bwriter.close();
}//try
catch(Exception e)
{
throw e;
}//catch

Hackevin 2003-03-27

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public void write(byte[] b,
int off,
int len)
throws IOException

Parameters:
b - the data.
off - the start offset in the data.
len - the number of bytes to write.

kofwr 2003-03-27