Java读取网络文件

淡淡的烟草味﹌ 2021-09-26 10:28 702阅读 0赞

# 输入url地址读取txt文件 #

/** * Created by qqg on 2018/1/3. */
    import java.io.BufferedReader;
    import java.io.FileNotFoundException;
    import java.io.IOException;
    import java.io.InputStreamReader;
    import java.net.HttpURLConnection;
    import java.net.URL;
    import java.net.URLConnection;
    public class w{ 
        private static String openFile(String filePath) {
            int HttpResult; // 服务器返回的状态
            String ee = new String();
            try
            {
                URL url =new URL(filePath); // 创建URL
                URLConnection urlconn = url.openConnection(); // 试图连接并取得返回状态码
                urlconn.connect();
                HttpURLConnection httpconn =(HttpURLConnection)urlconn;
                HttpResult = httpconn.getResponseCode();
                if(HttpResult != HttpURLConnection.HTTP_OK) {
                    System.out.print("无法连接到");
                } else {
                    int filesize = urlconn.getContentLength(); // 取数据长度
                    InputStreamReader isReader = new InputStreamReader(urlconn.getInputStream(),"UTF-8");
                    BufferedReader reader = new BufferedReader(isReader);
                    StringBuffer buffer = new StringBuffer();
                    String line; // 用来保存每行读取的内容
                    line = reader.readLine(); // 读取第一行
                    while (line != null) { // 如果 line 为空说明读完了
                        buffer.append(line); // 将读到的内容添加到 buffer 中
                        buffer.append(" "); // 添加换行符
                        line = reader.readLine(); // 读取下一行
                    }
                    System.out.print(buffer.toString());
                    ee = buffer.toString();
                }
            }
            catch (FileNotFoundException e) {
                e.printStackTrace();
            }
            catch (IOException e) {
                e.printStackTrace();
            }
            return  ee;
        }
        public static void main(String[] args){    System.out.print(w.openFile("http://******/hrmsstatic/SensitiveWord.txt"));
        }
    }