解析TXT文件步驟:
1、File file = new file('D:\a.txt');// 創建文件對象
2、String code = ReadFile.codeString(file.getAbsolutePath());//獲得文件編碼
3、InputStreamReader read = new InputStreamReader(new FileInputStream(file),code);//使用InputStreamReader讀取文件流
4、BufferedReader bufferedReader = new BufferedReader(read); //從字符輸入流中讀取文本,緩存到內存中
5、String lineTxt_cr = null;//行讀字符串
StringBuffer xpStr = new StringBuffer();//文件文本字符串
while((lineTxt_cr = bufferedReader.readLine()) != null){
//處理字符串lineTxt_cr
xpStr.append(lineTxt_cr);
}