把文件内容读出到一个字符串

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public String getinfo(String path)  

        {  

            File file;  

            String str="";   

            FileInputStream in;  

         try{  

            //打开文件file的InputStream  

             file = new File(path);  

             in = new FileInputStream(file);  

             //将文件内容全部读入到byte数组  

             int length = (int)file.length();  

             byte[] temp = new byte[length];  

             in.read(temp, 0, length);  

             //将byte数组用UTF-8编码并存入display字符串中  

             str =  EncodingUtils.getString(temp,TEXT_ENCODING);  

             //关闭文件file的InputStream  

               

             in.close();  

         }  

         catch (IOException e) {  

               

          DisplayToast(e.toString());  

               

         }  

         return str;  

        } 

public String getinfo(String path)

           {

                  File file;

                  String str="";

                  FileInputStream in;

            try{

                  //打开文件file的InputStream

                   file = new File(path);

                in = new FileInputStream(file);

                //将文件内容全部读入到byte数组

                int length = (int)file.length();

                byte[] temp = new byte[length];

                in.read(temp, 0, length);

                //将byte数组用UTF-8编码并存入display字符串中

                str =  EncodingUtils.getString(temp,TEXT_ENCODING);

                //关闭文件file的InputStream

               

                in.close();

            }

            catch (IOException e) {

               

              DisplayToast(e.toString());

               

            }

            return str;

           }