对jquery的ajax的一个封装

<pre class="java" name="code"><pre class="java" name="code"><pre class="java" name="code">package com.aegon_cnooc.oa.admin.action; 
 
import java.io.PrintWriter; 
import java.util.List; 
import java.util.Map; 
 
import javax.servlet.http.HttpServletRequest; 
import javax.servlet.http.HttpServletResponse; 
 
import net.sf.json.JSONArray; 
import net.sf.json.JSONSerializer; 
import net.sf.json.util.JSONUtils; 
 
import org.apache.struts.action.ActionForm; 
import org.apache.struts.action.ActionForward; 
import org.apache.struts.action.ActionMapping; 
 
import com.aegon_cnooc.framework.base.action.BaseAction; 
import com.aegon_cnooc.framework.log.Log; 
import com.aegon_cnooc.oa.admin.service.LoginService; 
import com.aegon_cnooc.util.LogPathUtil; 
/**
 * 
 * @Despcrition:
 * @Author: liuxinghui
 * @Version: 1.0
 * @CreateDate: Jul 12, 2011
 */ 
public class OnloadEmployeeAction extends BaseAction{ 
    private LoginService loginService; 
    Log logWrite=new Log(); 
/**
 * 组织架构定义中点击单选按钮获得相应的员工
 */ 
    public ActionForward executeAction(ActionMapping mapping, ActionForm form, 
            HttpServletRequest request, HttpServletResponse response) 
            throws Exception { 
        logWrite.writeLog(LogPathUtil.getPath(), "start OnloadEmployeeAction...", "info"); 
        String employeeType=request.getParameter("employee_type"); 
        if("all".equals(employeeType)){ 
        //Employees all of company 
        List employeesAllOfCompany=loginService.getEmployeesAllOfCompany(); 
        logWrite.writeLog(LogPathUtil.getPath(), "Load employeesAllOfCompany  employeesAllOfCompany.size():"+employeesAllOfCompany.size(), "info"); 
        JSONArray json = (JSONArray)JSONSerializer.toJSON(employeesAllOfCompany); 
        response.setContentType("application/json;charset=gbk");  
        response.setCharacterEncoding("gbk");  
        PrintWriter pw = response.getWriter();