matchcheckservlet.java

基于SSH (struts+spring+hibernate)框架设计的 CRM客户关系管理系统

package com.csu.crm.common.servlet;

import java.io.IOException;
import java.io.PrintWriter;

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

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.web.context.WebApplicationContext;

import com.csu.crm.common.dao.SqlStringDAO;
import com.csu.crm.common.dao.original.CrmEmployeeDAO;
import com.csu.crm.common.vo.CrmEmployee;

/**
 * 此servlet用于测试输入的字符是否和希望值匹配
 * 
 * @author 3eCRM小组：曾东
 * @since Oct 1, 2007 8:35:41 PM
 * @version 1.0 创建时间：Oct 1, 2007 8:35:41 PM,初始版本
 */
public class MatchCheckServlet extends HttpServlet {
	private static final Log log = LogFactory.getLog(MatchCheckServlet.class);
	private SqlStringDAO sqlStringDAO;
	private CrmEmployeeDAO crmEmployeeDAO;

	public CrmEmployeeDAO getCrmEmployeeDAO() {
		return crmEmployeeDAO;
	}

	public void setCrmEmployeeDAO(CrmEmployeeDAO crmEmployeeDAO) {
		this.crmEmployeeDAO = crmEmployeeDAO;
	}

	public SqlStringDAO getSqlStringDAO() {
		return sqlStringDAO;
	}

	public void setSqlStringDAO(SqlStringDAO sqlStringDAO) {
		this.sqlStringDAO = sqlStringDAO;
	}

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

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

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @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 doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		request.setCharacterEncoding("gb2312");
		response.setCharacterEncoding("gb2312");
		response.setContentType("text/html; charset=gb2312");
		
		String para ="org.springframework.web.struts.ContextLoaderPlugIn.CONTEXT.";
		WebApplicationContext wac = (WebApplicationContext)this.getServletContext().getAttribute(para);		
		sqlStringDAO = (SqlStringDAO)wac.getBean("SqlStringDAO");
		crmEmployeeDAO = (CrmEmployeeDAO)wac.getBean("CrmEmployeeDAO");		
		
		String vo = request.getParameter("vo");
		String property1 = request.getParameter("property1");
		String property2 = request.getParameter("property2");
		String value1 = request.getParameter("value1");
		String value2 = request.getParameter("value2");
		
		String hql = "select tmp from " + vo + " as tmp where tmp." + property1 + "='" +value1+ "' and tmp." + property2 + "='" + value2 +"'";
		log.warn("[MatchCheckServlet]---" + hql);
		boolean flag = sqlStringDAO.isExisted(hql);
		log.warn("[MatchCheckServlet]------" + flag);
		
		PrintWriter out=response.getWriter();
		if(flag) {
			//如果存在则 
			out.write("existed");
			
			//存在的话还必须 使此对象成为持久化对象
			//CrmEmployee crmEmployee = (CrmEmployee)sqlStringDAO.getObject(hql);
			//crmEmployeeDAO.attachClean(crmEmployee);
		}else {
			//如果不存在 
			out.write("notexisted");
		}
		out.close();
	}

	/**
	 * 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 {
		doGet(request,response);
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}