调用百度推广接口获取数据

最新推荐文章于 2024-08-07 09:11:31 发布

原创最新推荐文章于 2024-08-07 09:11:31 发布 · 4k 阅读

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本文介绍了一个Java程序，该程序能够批量读取指定目录下的多个文本文件，并统计每个关键词的点击次数和消耗成本，最终将汇总的数据输出到一个结果文件中。

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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;
	}

}