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              public static String readTextFile(String fileName) {try {
 FileInputStream in = new FileInputStream(fileName);
 int length = in.available();
 byte[] buffer = new byte[length];
 in.read(buffer);
 in.close();
 String content = EncodingUtils.getString(buffer, "UTF-8");
 return content;
 } catch (FileNotFoundException e) {
 return "";
 } catch (IOException e) {
 return "";
 }
 }
 
 该函数忽略一切错误。。。
 
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