ADD file via upload

ZhuhuImpl.java

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+package dao.impl;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.Statement;
+import java.util.ArrayList;
+import java.util.List;
+
+import dao.ZhuhuDao;
+import entity.Zhuhu;
+
+public class ZhuhuImpl implements ZhuhuDao{
+
+	public Zhuhu findById(String id) {
+		Zhuhu acyc=new Zhuhu();
+		try {
+			
+		    Connection conn = JDBCUtil.getConnection();
+		    String sql = "select*from zhuhu where id = ?";
+		    PreparedStatement prestm=conn.prepareStatement(sql);
+		    prestm.setInt(1, Integer.valueOf(id));
+		    ResultSet rs=prestm.executeQuery();
+		    
+		    	while(rs.next()) {
+		    		Zhuhu zhushu=new Zhuhu();
+					zhushu.setId(rs.getInt("id"));
+					zhushu.setDizhidxy(rs.getString("dizhidxy"));
+					zhushu.setHuzhudxy(rs.getString("huzhudxy"));
+					zhushu.setLianxidianhuadxy(rs.getString("lianxidianhuadxy"));
+					acyc=zhushu;
+		    	}
+				rs.close();
+				prestm.close();
+				conn.close();
+			}
+			catch(Exception e) {
+				e.printStackTrace();
+			}
+			return acyc;
+	}
+
+
+	@Override
+	public List<Zhuhu> findAll() {
+		ArrayList<Zhuhu> zhushus=new ArrayList<Zhuhu>();
+		try {
+			Connection conn = JDBCUtil.getConnection();
+			
+			String sqlyc ="select *from zhuhu";
+			Statement stsyc =conn.createStatement();
+			ResultSet rsyc=stsyc.executeQuery(sqlyc);
+			
+			while(rsyc.next()) {
+				Zhuhu zhushu=new Zhuhu();
+				zhushu.setId(rsyc.getInt("id"));
+				zhushu.setDizhidxy(rsyc.getString("dizhidxy"));
+				zhushu.setHuzhudxy(rsyc.getString("huzhudxy"));
+				zhushu.setLianxidianhuadxy(rsyc.getString("lianxidianhuadxy"));
+				zhushus.add(zhushu);
+			}
+			rsyc.close();
+			stsyc.close();
+			conn.close();
+		}
+		catch(Exception e) {
+			e.printStackTrace();
+		}
+		return zhushus;
+	}
+
+
+	@Override
+	public int modify(Zhuhu zhuhu) {
+		try {
+			Connection conn = JDBCUtil.getConnection();
+			
+			String sqlyc ="update zhuhu set huzhudxy=?,dizhidxy=?,lianxidianhuadxy=? where id=?";
+			PreparedStatement prestmyc=conn.prepareStatement(sqlyc);
+			prestmyc.setString(1,zhuhu.getHuzhudxy());
+			prestmyc.setString(2,zhuhu.getDizhidxy());
+			prestmyc.setString(3,zhuhu.getLianxidianhuadxy());
+			prestmyc.setInt(4,zhuhu.getId());
+			prestmyc.executeUpdate();
+			prestmyc.close();
+			conn.close();
+		}
+		catch(Exception e) {
+			e.printStackTrace();
+		}
+		return 0;
+	}
+
+
+	@Override
+	public int create(Zhuhu zhuhu) {
+		try {
+			Connection conn = JDBCUtil.getConnection();
+			String sqlyc ="Insert into zhuhu (huzhudxy,dizhidxy,lianxidianhuadxy) values(?,?,?)";
+			PreparedStatement prestmyc=conn.prepareStatement(sqlyc);
+			prestmyc.setString(1,zhuhu.getHuzhudxy());
+			prestmyc.setString(2,zhuhu.getDizhidxy());
+			prestmyc.setString(3,zhuhu.getLianxidianhuadxy());
+			prestmyc.executeUpdate();
+			prestmyc.close();
+			conn.close();
+		}
+		catch(Exception e) {
+			e.printStackTrace();
+		}
+		return 0;
+	}
+
+
+	@Override
+	public int remove(Zhuhu zhuhu) {
+		int flagyc=0;
+		try {
+			Connection conn = JDBCUtil.getConnection();
+			String sqlyc ="delete from zhuhu where id=?";
+			PreparedStatement prestmyc=conn.prepareStatement(sqlyc);
+			prestmyc.setInt(1, zhuhu.getId());
+			flagyc = prestmyc.executeUpdate();
+			prestmyc.close();
+			conn.close();
+		}
+		catch(Exception e) {
+			e.printStackTrace();
+		}
+		return flagyc;
+	}
+
+
+}