java 模拟浏览器请求

最新推荐文章于 2021-07-28 12:09:33 发布

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最新推荐文章于 2021-07-28 12:09:33 发布

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文章标签： java python

原文链接：https://my.oschina.net/zhangyaxin/blog/898465

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2019独角兽企业重金招聘Python工程师标准>>>

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;

public class HttpRequest {
//url：接口 param：参数
   public static String httpGet(String url, String param){
       String result=""; //结果初始化为空
       BufferedReader in=null;
       String urlName=url+"?"+param;

       try {
           URL reaUrl=new URL(urlName);
           URLConnection connection = reaUrl.openConnection();
           // 设置通用的请求属性
connection.setRequestProperty("accept", "*/*");
connection.setRequestProperty("connection", "Keep-Alive");
connection.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
// 建立实际的连接
connection.connect();

// 定义 BufferedReader输入流来读取URL的响应
in = new BufferedReader(new InputStreamReader(
connection.getInputStream()));
String line;

while ((line = in.readLine()) != null) {
result += line;
}

       } catch (Exception e) {
System.out.println("发送GET请求出现异常！" + e);
e.printStackTrace();
}

       // 使用finally关闭输入流
       finally {
try {
if (in != null) {
in.close();
}
} catch (Exception e2) {
e2.printStackTrace();
}
}
       return result;
   }

}