ADD file via upload

back/src/com/demo/score/QeuryOneScore.java

@@ -0,0 +1,67 @@
+package com.demo.score;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.PrintStream;
+import java.io.PrintWriter;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.ResultSetMetaData;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.ArrayList;
+
+import javax.servlet.RequestDispatcher;
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import com.Dao.Dao;
+import com.domain.GetDBConnection;
+import com.domain.SqlStr;
+import com.domain.TypeFlag;
+import com.domain.Types;
+import com.domain.scoreInfo;
+
+import net.sf.json.JSONObject;
+
+/**
+ * Servlet implementation class QeuryOneScore
+ */
+@WebServlet("/qeuryonescore")
+public class QeuryOneScore extends HttpServlet {
+	private static final long serialVersionUID = 1L;
+    /**
+     * @see HttpServlet#HttpServlet()
+     */
+    public QeuryOneScore() {
+        super();
+        // TODO Auto-generated constructor stub
+    }
+
+	/**
+	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
+	 */
+	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+		// TODO Auto-generated method stub
+				    	  
+				        String username = request.getParameter("username");
+						username = new String(username.getBytes("iso8859-1"),"UTF-8");
+						SqlStr.scoreinfo.setUsername(username);
+						Dao scoredao=new Dao();
+						PrintWriter out = response.getWriter();
+						if(scoredao.queryUsers(SqlStr.scoreinfo, TypeFlag.scores, SqlStr.queryscore)) {
+							String json = "{\"username\": \""+SqlStr.scoreinfo.getUsername()+"\", \"avg\": \""+SqlStr.scoreinfo.getAvgscore()+"\",\"max\":\""+SqlStr.scoreinfo.getMaxscore()+"\",\"rank\":\""+SqlStr.scoreinfo.getRank()+"\"}";
+					    	JSONObject jsonObject = JSONObject.fromObject(json);
+					    	System.out.println(jsonObject);
+					    	out.println(jsonObject);
+						}else {
+							response.sendError(204, "query failed");
+						}
+			
+	}
+
+}