diff --git a/main/java/com/example/musicwork/chuangguan/UserService.java b/main/java/com/example/musicwork/chuangguan/UserService.java
new file mode 100644
index 0000000..2c2ba76
--- /dev/null
+++ b/main/java/com/example/musicwork/chuangguan/UserService.java
@@ -0,0 +1,75 @@
+package com.example.musicwork.chuangguan;
+
+import java.io.OutputStream;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.net.URLEncoder;
+
+public class UserService {
+    public static boolean signIn(String name, String password) {
+        MyThread myThread = new MyThread("http://10.0.2.2:8080/Manager/queryoneuserinfoservlet",name,password);
+        try
+        {
+            myThread.start();
+            myThread.join();
+        }
+        catch (InterruptedException e)
+        {
+            e.printStackTrace();
+        }
+
+        return myThread.getResult();
+    }
+
+
+    public static boolean signUp(String name, String password) {
+        MyThread myThread = new MyThread("http://10.0.2.2:8080/Manager/insert-servlet",name,password);
+        try
+        {
+            myThread.start();
+            myThread.join();
+        }
+        catch (InterruptedException e)
+        {
+            e.printStackTrace();
+        }
+        return myThread.getResult();
+    }
+}
+class MyThread extends Thread {
+    private String path;
+    private String name;
+    private String password;
+    private boolean result = false;
+
+    public MyThread(String path, String name, String password) {
+        this.path = path;
+        this.name = name;
+        this.password = password;
+    }
+
+    @Override
+    public void run() {
+        try {
+            URL url = new URL(path);
+            HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
+            httpURLConnection.setConnectTimeout(8000);//设置连接超时时间
+            httpURLConnection.setReadTimeout(8000);//设置读取超时时间
+            httpURLConnection.setRequestMethod("POST");//设置请求方法,post
+
+            String data = "username=" + URLEncoder.encode(name, "utf-8") + "&password=" + URLEncoder.encode(password, "utf-8");//设置数据
+            httpURLConnection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");//设置响应类型
+            httpURLConnection.setRequestProperty("Content-Length", data.length() + "");//设置内容长度
+            httpURLConnection.setDoOutput(true);//允许输出
+            OutputStream outputStream = httpURLConnection.getOutputStream();
+            outputStream.write(data.getBytes("utf-8"));//写入数据
+            result = (httpURLConnection.getResponseCode() == 200);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    public boolean getResult() {
+        return result;
+    }
+}
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