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ChangeNum.java
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package util;
import java.io.File;
import java.io.InputStreamReader;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileWriter;
public class ChangeNum {
private static String result="";
public static void processString(String str){
String [] res=str.split("\t");
for (String string : res) {
result=result+"<td align=\"left\">"+string+"</td>\r\n";
}
result+="\r\n";
}
public static void main(String args[]){
try { // 防止文件建立或读取失败,用catch捕捉错误并打印,也可以throw
/* 读入TXT文件 */
String pathname = "/Users/jessexu/Documents/Myeclipse/SQLvsNOSQL/input.txt"; // 绝对路径或相对路径都可以,这里是绝对路径,写入文件时演示相对路径
File filename = new File(pathname); // 要读取以上路径的input。txt文件
InputStreamReader reader = new InputStreamReader(
new FileInputStream(filename)); // 建立一个输入流对象reader
BufferedReader br = new BufferedReader(reader); // 建立一个对象,它把文件内容转成计算机能读懂的语言
String line = "";
line = br.readLine();
while (line != null) {
line = br.readLine(); // 一次读入一行数据
if (line!=null) {
processString(line.trim());
}
}
/* 写入Txt文件 */
File writename = new File("/Users/jessexu/Documents/Myeclipse/SQLvsNOSQL/output.txt"); // 相对路径,如果没有则要建立一个新的output。txt文件
writename.createNewFile(); // 创建新文件
BufferedWriter out = new BufferedWriter(new FileWriter(writename));
out.write(result); // \r\n即为换行
out.flush(); // 把缓存区内容压入文件
out.close(); // 最后记得关闭文件
} catch (Exception e) {
e.printStackTrace();
}
}
}