404找不到方法！！！！！！！！！！！！！！！！！！！！！！

function QZJKSearch(){
var postUrl = "<%=basePath%>QZJKSearch.do";

        var cDate = $("#selectedDate").val();
        var levelId="${levelId}";
        var werkssf = $("#selectedProvinceId").find("option:selected").val();
        var werksds = $("#selectedCityId").find("option:selected").val();
        var werksyyt= $("#selectedYYTId").find("option:selected").val();

        var ExportForm = document.createElement("form");  
        document.body.appendChild(ExportForm);  
        ExportForm.method = "POST";  

        var newElement1 = document.createElement("input");  
        newElement1.setAttribute("name", "cDate");  
        newElement1.setAttribute("type", "hidden");  
        var newElement2 = document.createElement("input");  
        newElement2.setAttribute("name", "levelId");  
        newElement2.setAttribute("type", "hidden");  
        var newElement3 = document.createElement("input");  
        newElement3.setAttribute("name", "werkssf");  
        newElement3.setAttribute("type", "hidden");  
        var newElement4 = document.createElement("input");  
        newElement4.setAttribute("name", "werksds");  
        newElement4.setAttribute("type", "hidden");  
        var newElement5 = document.createElement("input");  
        newElement5.setAttribute("name", "werksyyt");  
        newElement5.setAttribute("type", "hidden"); 

        ExportForm.appendChild(newElement1);  
        ExportForm.appendChild(newElement2);  
        ExportForm.appendChild(newElement3); 
        ExportForm.appendChild(newElement4); 
        ExportForm.appendChild(newElement5); 

        newElement1.value = cDate;  
        newElement2.value = levelId;  
        newElement3.value = werkssf;
        newElement4.value = werksds;
        newElement5.value = werksyyt;

        ExportForm.action = postUrl;  


        // 用于回显使用，所以缓存当前的数据，判断是否有值
        if(provinceLastList) { // 省份列表的数据
            localStorage.setItem("selectedProvinceId", provinceLastList);
            localStorage.setItem("selectedProvinceIdNumber", werkssf);
        }
        if(cityLastList) { // 地市列表的数据
            localStorage.setItem("selectedCityId", cityLastList);
            localStorage.setItem("selectedCityIdNumber", werksds);
        }
        if(storeLastList) { // 营业厅列表的数据
            localStorage.setItem("selectedYYTId", storeLastList);
            localStorage.setItem("selectedYYTIdNumber", werksyyt);
        }

// //省办不需要加载地市列表
// if(roleId==4){
// localStorage.setItem("selectedCityIdNumber", werksds);
// //如果直辖市存下营业厅id
// localStorage.setItem("selectedYYTIdNumber", werksyyt);
// }
//模式和全部省份的回显
localStorage.setItem("selectedProId", werkssf);
// localStorage.setItem("selectedModel", model);
// localStorage.setItem("zqdfl", zqdfl);

        ExportForm.submit();
    }




    ///////////////////////////////////

    @RequestMapping(value="/QZJKSearch")    
public String QZJKSearch (HttpServletRequest request ,String cDate,String levelId,String werkssf,String werksds,String werksyyt){


    try {
        if(StringUtils.isEmpty(cDate)){
            cDate = ToolUtils.getBeforeTime();
        }else{
            if(cDate.indexOf("-")>-1){
                SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
                Date d = sdf.parse(cDate);
                sdf = new SimpleDateFormat("yyyyMMdd");
                cDate = sdf.format(d);
            }
        }
        }



        404，求大神 

404一般就是路径格式错误，要么就是文件格式错误！

存放你这个方法的类名前是否也 @RequestMapping 路径配如果有也在你的请求地址加上，这个var postUrl = "<%=basePath%>QZJKSearch.do";或改成var postUrl = "<%=basePath%>/QZJKSearch.do";

你是不是应该吧错误的截图贴出来，

404文件路径错误，看看你文件名字后缀有没有被隐藏