ADD file via upload

code/ProductionDaoImpl.java

@@ -0,0 +1,77 @@
+package com.dao;
+
+import java.util.*;
+
+import java.sql.*;
+
+import com.domain.Production;
+
+public class ProductionDaoImpl implements ProductionDao {
+    
+    // 添加学生方法
+	    public boolean addProduction(Production s)throws SQLException{
+	    	Connection conn = getConnection();
+	    	String sql = "INSERT INTO Production(Pid,Price,Prom,Classify,Store) VALUES (?,?,?,?,?)"; 
+	       try{
+	  	     PreparedStatement pstmt = conn.prepareStatement(sql);
+	  	     pstmt.setInt(1, s.getPid()); 
+	  	     pstmt.setString(2, s.getPrice());
+	          pstmt.setString(3, s.getProm());
+	          pstmt.setString(4, s.getClassify());
+	          pstmt.setString(5, s.getStore());
+	          
+	          pstmt.executeUpdate();
+	          return true;
+	       }catch(SQLException sqle){
+	   	      System.out.println(sqle);
+	   	      return false;
+	        }        
+    }
+    // 检索学生方法
+public List<Production> listProduction()throws SQLException{
+    Connection conn = getConnection();  
+	String sql = "SELECT * FROM Production"; 
+  	  List<Production> list = new ArrayList<Production>(); 
+  	  try{
+  	  	PreparedStatement pstmt = conn.prepareStatement(sql);
+  	     ResultSet rs = pstmt.executeQuery();
+  	     while(rs.next()){
+  	    	 int Pid = rs.getInt("Pid");
+  	       String Price = rs.getString(2);
+  	       String Prom = rs.getString(3);
+  	       String Classify = rs.getString(4);
+  	     String Store = rs.getString(5);
+  	Production s = new Production();
+  	       s.setPid(Pid);
+  	       s.setPrice(Price);
+  	       s.setProm(Prom);
+  	      s.setClassify(Classify);
+  	      s.setStore(Store);
+  	       list.add(s);
+  	     }
+  	     return list;
+  	  }catch(SQLException sqle){
+  	   	System.out.println(sqle);
+  	   	return null;
+  	  }        
+    }
+    // 删除产品
+    public int removeProduction(int id)throws SQLException{
+        Connection conn = getConnection();
+    	String sql = "DELETE FROM Production WHERE pid=?";  
+      	try{
+      	 	PreparedStatement pstmt = conn.prepareStatement(sql);
+      	    pstmt.setInt(1, id);
+      	    return pstmt.executeUpdate();
+      	}catch(SQLException sqle){
+      	   	System.out.println(sqle);
+      	 	return 0;
+      	} 
+    }
+	
+	
+}
+	
+
+
+