unitcontroller.java

基于SPRING+DWR+EXT 技术的一个小项目（附源码和数据库脚本）

package com.hr.controller;

import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;

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

import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;

import com.hr.Unit;
import com.hr.dao.UnitDAO;

public class UnitController implements Controller {

	private UnitDAO unitDAO = null;

	public UnitDAO getUnitDAO() {
		return unitDAO;
	}

	public void setUnitDAO(UnitDAO unitDAO) {
		this.unitDAO = unitDAO;
	}

	public int removeRecords(ArrayList<String> ids) throws Exception {
		return unitDAO.removeRecords(ids);
	}

	public List<Unit> getRecords() throws Exception {
		return unitDAO.getRecords();
	}

	public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {

		String id = request.getParameter("id");
		String name = request.getParameter("name");
		String description = request.getParameter("description");
		String parentId = request.getParameter("parentId");

		int count;

		response.setContentType("text/html; charset=UTF-8");
		PrintWriter pw = response.getWriter();

		if (id == null && name != null) {
			count = unitDAO.insertUnit(name, description, parentId);
			if (count == 1) {
				pw.print(count);
			} else {
				pw.print("error");
			}
		} else if (id != null && name != null) {
			count = unitDAO.updateUnit(id, name, description, parentId);
			if (count == 1) {
				pw.print(count);
			} else {
				pw.print("error");
			}
		}
		return null;
	}
}