updatestyle.java

基于struts的网上商店源码

package com.mole.servlet;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.mole.struts.dao.DBConnector;

public class updateStyle extends HttpServlet {
	private static final String CONTENT_TYPE = "text/html; charset=UTF-8";
	private DBConnector dbc = new DBConnector();

	/**
	 * Constructor of the object.
	 */
	public updateStyle() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doPost method of the servlet. <br>
	 * 
	 * This method is called when a form has its tag value method equals to
	 * post.
	 * 
	 * @param request
	 *            the request send by the client to the server
	 * @param response
	 *            the response send by the server to the client
	 * @throws ServletException
	 *             if an error occurred
	 * @throws IOException
	 *             if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		request.setCharacterEncoding("UTF-8");
		response.setContentType(CONTENT_TYPE);
		String action = request.getParameter("action");
		if ("1".equals(action))
			updateStyle(request.getParameter("cid"), request
					.getParameter("style"));
		else if ("2".equals(action))
			updateTheme(request.getParameter("cid"), request
					.getParameter("title"), request.getParameter("subtitle"));
		else if ("3".equals(action))
			updateStoreStyle(request.getParameter("sid"), request
					.getParameter("style"));
	}

	public void init() throws ServletException {
		// Put your code here
	}

	private void updateStyle(String CustomerID, String BlogStyle) {
		String sql = "UPDATE [Customer] SET [BlogStyle]=? WHERE [ID]=?";
		try {
			dbc.executeUpdate(sql, BlogStyle, CustomerID);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	private void updateTheme(String CustomerID, String Title, String SubTitle) {
		String sql = "UPDATE [Customer] SET [BlogTitle]=?,[BlogSubTitle]=? WHERE [ID]=?";
		try {
			dbc.executeUpdate(sql, Title, SubTitle, CustomerID);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	private void updateStoreStyle(String StoreID, String BlogStyle) {
		String sql = "UPDATE [Store] SET [BlogStyle]=? WHERE [ID]=?";
		try {
			dbc.executeUpdate(sql, BlogStyle, StoreID);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

}