Ajax实例

function deleteBill(obj){
    $.ajax({
        type:"GET",
        url:path+"/BillServlet",
        data:{method:"delbill",billid:obj.attr("billid")},
        dataType:"json",
        success:function(data){
            if(data.delResult == "true"){//删除成功：移除删除行
                cancleBtn();
                obj.parents("tr").remove();
            }else if(data.delResult == "false"){//删除失败
                //alert("对不起，删除订单【"+obj.attr("billcc")+"】失败");
                changeDLGContent("对不起，删除订单【"+obj.attr("billcc")+"】失败");
            }else if(data.delResult == "notexist"){
                //alert("对不起，订单【"+obj.attr("billcc")+"】不存在");
                changeDLGContent("对不起，订单【"+obj.attr("billcc")+"】不存在");
            }
        },
        error:function(data){
            alert("对不起，删除失败");
        }
    });
}

private void delBill(HttpServletRequest req, PrintWriter out,
            BillBiz billBiz) {
        int billid = Integer.parseInt(req.getParameter("billid"));
        if (billBiz.delBill(billid)) {
            out.print("{"delResult":"true"}");
        } else {
            out.print("{"delResult":"false"}");
        }
    }

---

$("#search").submit(function() {
        $(".addBillList").remove();
        $.get("BillServlet", $.param($("#search").serializeArray()), function(data) {
            $($.parseJSON(data)).each(function() {
                var str = "<tr class="addBillList"><td><span>"+this.billCode+"</span></td>"+
                                "    <td>"+
                                "    <span>"+this.productName+"</span>"+
                                "    </td>"+
                                "    <td>"+
                                "    <span>"+this.providerName+"</span>"+
                                "    </td>"+
                                "    <td>"+
                                "    <span>"+this.totalPrice+"</span>"+
                                "    </td>"+
                                "    <td>"+
                                "    <span>"+(this.isPayment == 1?"未付款":"已付款")+
                                "    </span>"+
                                "    </td>"+
                                "    <td>"+
                                "    <span>"+
                                "    <fmt:formatDate value=""+this.creationDate+"" pattern="yyyy-MM-dd"/>"+
                                "    </span>"+
                                "    </td>"+
                                "    <td>"+
                                "    <span><a class="viewBill" href="BillServlet?method=view&billid="+this.id+"" billcc="+this.billCode+"><img src="images/read.png" alt="查看" title="查看"/></a></span>"+
                                "    <span><a class="modifyBill" href="BillServlet?method=modify&billid="+this.id+""  billcc="+this.billCode+"><img src="images/xiugai.png" alt="修改" title="修改"/></a></span>"+
                                "    <span><a class="deleteBill" href="javascript:;" billid="+this.id+" billcc="+this.billCode+"><img src="images/schu.png" alt="删除" title="删除"/></a></span>"+
                                "    </td>"+
                                "</tr>";
                $(".providerTable").append(str);
                $(".deleteBill").on("click",delBill);
            });
        });
        return false;
    });

private void getBills(HttpServletRequest req, PrintWriter out,
            BillBiz billBiz) {
        String queryProductName = req.getParameter("queryProductName");                //商品名称
        int queryProviderId = Integer.parseInt(req.getParameter("queryProviderId"));    //供应商id
        int queryIsPayment = Integer.parseInt(req.getParameter("queryIsPayment"));    //是否支付
        List<Bill> billList = billBiz.getBills(queryProductName, queryProviderId, queryIsPayment);
        String result = JSON.toJSONString(billList);
        out.print(result);
    }