调用百度推广接口获取数据

package com.Http;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.charset.Charset;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;

public class GetInfo {
public static void main(String[] args) throws IOException {
File file = new File("文件路径");
if (file.isDirectory()) {
File[] files = file.listFiles();
BufferedReader br;
Map<String, Bean> map = new HashMap<String, Bean>();
for (File f : files) {
br = new BufferedReader(new InputStreamReader(new FileInputStream(f), Charset.forName("GB2312")));
String str = null;
boolean first = true;
String keyWord;
float cost;
int click;
String[] array;
Bean bean;
while ((str = br.readLine()) != null) {
if (!first) {
array = str.split("\t");
keyWord = array[9].trim();
click = Integer.parseInt(array[11].trim());
cost = Float.parseFloat(array[12].trim());

if (map.containsKey(keyWord)) {
map.get(keyWord).click = map.get(keyWord).click + click;
map.get(keyWord).cost = map.get(keyWord).cost + cost;
map.put(keyWord, map.get(keyWord));
} else {
bean = new Bean();
bean.cost = cost;
bean.click = click;
map.put(keyWord, bean);
}
} else {
first = false;
}
}
br.close();
}

BufferedWriter bw = new BufferedWriter(new FileWriter("D:\\result.txt"));
for (Entry<String, Bean> entry : map.entrySet()) {
bw.write(entry.getKey() + "\t" + entry.getValue().click + "\t" + entry.getValue().cost);
bw.newLine();
}
bw.close();
System.out.print("end");
}
}

public static class Bean {
public float cost;
public int click;
}

}