java 读取file_java 读取文件内容

//读取方法

public static String txt2String(String path){

String fileContent = "";

try

{

File f = new File(path);

if(f.isFile()&&f.exists())

{

InputStreamReader read = new InputStreamReader(new FileInputStream(f),"gbk");

BufferedReader reader=new BufferedReader(read);

String line;

while ((line = reader.readLine()) != null)

{

fileContent += line;

}

read.close();

}

} catch (Exception e)

{

e.printStackTrace();

}

return fileContent;

}

//测试main方法

public static void main(String[] args) {

String a=txt2String("C:/Users/A12080084/Desktop/Test.html");

System.out.println(a);

System.out.println(a.length());

}