httpclient 查询股票信息

最新推荐文章于 2024-03-29 18:36:21 发布

shengyao15

最新推荐文章于 2024-03-29 18:36:21 发布

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分类专栏：股票文章标签： java

本文链接：https://blog.youkuaiyun.com/shengyao15/article/details/83975104

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本文展示了一个使用Java实现的HTTP客户端批量请求示例。该示例从文件中读取股票代码，并针对每个代码发送HTTP请求获取特定网页内容。通过解析响应数据，实现了对特定字段的提取。

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public void testHttpClient2() throws Exception {

		InputStreamReader isr = new InputStreamReader(new FileInputStream("C:\\stockcode.txt"), "UTF-8");
		BufferedReader br2 = new BufferedReader(isr);

		long begin = System.currentTimeMillis(); // 测试起始时间


		String temp2 = "";
		while ((temp2 = br2.readLine()) != null) {
			//System.out.println(temp2);
			if("end".equals(temp2)){
				long end = System.currentTimeMillis(); // 测试结束时间
				System.out.println("操作所需时间：" + (end - begin)/1000 + "s"); // 打印使用时间
				System.exit(-1);
			}
			if(temp2.length()!=6){
				continue;
			}
			HttpPost httpost = new HttpPost("http://data.eastmoney.com/report/"+temp2+".html");
			org.apache.http.client.HttpClient httpclient = new DefaultHttpClient();

			HttpResponse response = httpclient.execute(httpost);
			HttpEntity entity = response.getEntity();
			BufferedReader br = new BufferedReader(new InputStreamReader(entity.getContent(),"GBK"));
			String temp = "";
			int i = 0;
			while ((temp = br.readLine()) != null) {
				i++;
				if(i==201 || i==269 || i==270){
					out:for (int j = 0; j < temp.length(); j++) {
						if(temp.charAt(j) == '>'){
							int k = j+1;
							while(true && k<temp.length()){
								System.out.print(temp.charAt(k));
								k++;
								if(temp.charAt(k) == '<'){

									if(i==201 || i ==269){
										System.out.print(",");
									}

									if(i==270){
										System.out.println();
									}


									break out;
								}

							}
						}
					}
				}
				if(i>300){
					break;
				}
			}
			br.close();
		}


	}