元素太初任务怎么做,最好比分网,忍者千代火舞
一般电商项目会涉及到的订单管理模块，类似淘宝样式的订单
主要是讲一下订单页面的实现。当然实现的方法有很多，我知道的有两种方法：一种是采用listview嵌套listview的方式，这种方式需要重写listview中onmearsure方法；还有一种是采用接口回调的方式，这种方式主要对后台返回的数据有依赖；
今天主要说下第二种方法：
实现的思想：首先tab下面的布局还是用一个listview实现，然后将listview中的item分为上中下三部分内容；
创建三个xml文件，分别实现三个布局；第一部分为店铺名称那一栏，第二部分为商品信息那一栏，第三部分为订单状态那一栏；
然后创建一个回调接口
代码如下
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public interface ordercontent
{
public int getlayout();
public boolean isclickable();
public view getview(context context, view convertview, layoutinflater inflater);
}
利用接口回调分别实现三个布局
第一部分
public class itemordertop implements ordercontent {
private order order;
private oncesendview2 shopimageview;
private list<order_goods> list;
private acache acache;
public itemordertop(order order, list<order_goods> list) {
this.order = order;
this.list = list;
}
@override
public int getlayout() {
return r.layout.item_order_top;
}
@override
public boolean isclickable() {
return true;
}
public order order() {
return order;
}
@override
public view getview(final context context, view convertview, layoutinflater inflater) {
acache = acache.get(context);
inflater = layoutinflater.from(context);
convertview = inflater.inflate(getlayout(), null);
final gtextview orderid = (gtextview) convertview.findviewbyid(r.id.tv_order_num1);
gtextview orderstatus = (gtextview) convertview.findviewbyid(r.id.tv_order_state1);
orderid.settext("订单号码:" + order.getorder_sn());
switch (order.getstatus().tostring()) {
case "20":
orderstatus.settext("待发货");
break;
case "30":
orderstatus.settext("已发货");
break;
case "40":
orderstatus.settext("已收货待评价");
break;
default:
break;
}
return convertview;
}
}
中间部分
public class orderimiddle implements ordercontent {
private order_goods order_goods;
private imageloader imageloader;
private displayimageoptions options;
list<order_goods> order_goodslist;
private string status;
public orderimiddle(order_goods order_goods, string status) {
this.order_goods = order_goods;
order_goodslist = new arraylist<order_goods>();
order_goodslist.add(order_goods);
this.status = status;
imageloader = imageloader.getinstance();
// 使用displayimageoptions.builder()创建displayimageoptions
options = new displayimageoptions.builder()
.showimageonloading(r.drawable.publicloading)
.showimageforemptyuri(r.drawable.publicloading)
.showimageonfail(r.drawable.publicloading)
.cacheinmemory(true)
.build();
}
@override
public int getlayout() {
return r.layout.listitem_goods;
}
@override
public boolean isclickable() {
return true;
}
public order_goods order_goods() {
return order_goods;
}
@override
public view getview(final context context, view convertview, layoutinflater inflater) {
inflater = layoutinflater.from(context);
convertview = inflater.inflate(getlayout(), null);
gimageview mimage = (gimageview) convertview.findviewbyid(r.id.iv_goods_image1);
gtextview goods_info = (gtextview) convertview.findviewbyid(r.id.tv_goods_info1);
gtextview goods_attribute = (gtextview) convertview.findviewbyid(r.id.tv_goods_attribute1);
gtextview goods_num = (gtextview) convertview.findviewbyid(r.id.tv_goods_num1);
gtextview goods_price = (gtextview) convertview.findviewbyid(r.id.tv_goods_price1);
goods_info.settext(order_goods.getgoods_name());
goods_attribute.settext(order_goods.getspecification());
goods_num.settext("x" + order_goods.getquantity());
goods_price.settext("¥:" + order_goods.getprice());
log.i("tag", "order_goods.getorder_id()=" + order_goods.getorder_id());
imageloader.init(fileutils.getcache(context));
imageloader.displayimage(order_goods.getgoods_image(), mimage, options);
convertview.setonclicklistener(new view.onclicklistener() {
@override
public void onclick(view v) {
switch (status) {
case "40":
intent intent = new intent(context, message_logistics.class);
intent.putextra("order_id", order_goods.getorder_id());
context.startactivity(intent);
break;
case "30":
intent intent2 = new intent(context, message_logistics.class);
intent2.putextra("order_id", order_goods.getorder_id());
context.startactivity(intent2);
break;
case "20":
intent intent3 = new intent(context, message_delivery.class);
intent3.putextra("order_id", order_goods.getorder_id());
context.startactivity(intent3);
break;
default:
break;
}
}
});
return convertview;
}
}
底部：
public class orderbottom implements ordercontent {
private order order;
private oncesendview2 shopimageview;
private list<order_goods> list;
private acache acache;
public orderbottom(order order, list<order_goods> list) {
this.order = order;
this.list = list;
}
@override
public int getlayout() {
return r.layout.item_list_list;
}
@override
public boolean isclickable() {
return true;
}
public order order() {
return order;
}
@override
public view getview(final context context, view convertview, layoutinflater inflater) {
acache = acache.get(context);
inflater = layoutinflater.from(context);
convertview = inflater.inflate(getlayout(), null);
gtextview ordertotal = (gtextview) convertview.findviewbyid(r.id.tv_order_amount1);
gtextview tv_order_datetime = (gtextview) convertview.findviewbyid(r.id.tv_order_datetime);
final gbutton oncesend = (gbutton) convertview.findviewbyid(r.id.btn_send1);
gtextview yunfei_text = (gtextview) convertview.findviewbyid(r.id.yunfei_text);
yunfei_text.settext("（含运费: ¥ "+order.getshipping_fee()+")");
ordertotal.settext(order.getorder_amount());
tv_order_datetime.settext(data_time.getdatetostring(order.getadd_time()));
final view finalconvertview = convertview;
if (order.getstatus().equals("20")) {
oncesend.settext("立即发货");
oncesend.setonclicklistener(new view.onclicklistener() {
@override
public void onclick(view v) {
intent otherintent = new intent(context, message_delivery.class);
otherintent.putextra("order_id", order.getorder_id());
otherintent.putextra("token", acache.getasstring("token"));
context.startactivity(otherintent);
}
});
} else if (order.getstatus().equals("30")){
oncesend.setbackgroundresource(r.color.highlight_color);
oncesend.settext("查看物流");
oncesend.setonclicklistener(new view.onclicklistener() {
@override
public void onclick(view v) {
intent intent = new intent(context, message_logistics.class);
intent.putextra("order_id", order.getorder_id());
context.startactivity(intent);
}
});
}
else
{
oncesend.setvisibility(view.gone);
}
return convertview;
}
}
接收接口返回的数据，然后利用for循环将数据循环读入到上中下三个布局中
//解析后台返回的数据
type tp = new typetoken<orderitems>() {
}.gettype();
orderitems goodsitem = (orderitems) parseutils.gson2object(s, tp);
list<orderitems> orderitems = new arraylist<orderitems>();
orderitems.add(goodsitem);
list<ordercontent> ordercontents;
list<order> orderlist = new arraylist<order>();
if (goodsitem.getdata() != null) {
orderlist = goodsitem.getdata().getorders();
ordercontents = new arraylist<ordercontent>();
list<order_goods> ordergoodses = new arraylist<order_goods>();
int totalpages = goodsitem.getdata().getpage().getpage_count();
//外部第一个循环，将数据循环读取后存到订单顶部
for (int k = 0; k < orderlist.size(); k++) {
ordergoodses = orderlist.get(k).getorder_goods();
order ordertop = new order();
ordertop.setorder_sn(orderlist.get(k).getorder_sn());
ordertop.setstatus(orderlist.get(k).getstatus());
ordertop.setevaluation_status(orderlist.get(k).getevaluation_status());
itemordertop itemordertop = new itemordertop(ordertop, ordergoodses);
ordercontents.add(itemordertop);
if (ordergoodses == null) {
baseutil.showtoast(context, "没有订单");
} else {
//中间for循环，将数据循环读取后存到订单中间部分
for (int j = 0; j < ordergoodses.size(); j++) {
order_goods goods = new order_goods();
goods.setprice(ordergoodses.get(j).getprice());
goods.setgoods_name(ordergoodses.get(j).getgoods_name());
goods.setquantity(ordergoodses.get(j).getquantity());
goods.setgoods_image(ordergoodses.get(j).getgoods_image());
goods.setspecification(ordergoodses.get(j).getspecification());
goods.setorder_id(ordergoodses.get(j).getorder_id());
orderimiddle orderimiddle = new orderimiddle(goods, orderlist.get(k).getstatus());
ordercontents.add(orderimiddle);
log.i("mylog", "ordercontents =" + ordercontents);
}
}
//外部第二个循环，将数据循环读取后存到订单底部
order order = new order();
order.setorder_sn(orderlist.get(k).getorder_sn());
order.setorder_id(orderlist.get(k).getorder_id());
order.setstatus(orderlist.get(k).getstatus());
order.setadd_time(orderlist.get(k).getadd_time());
order.setorder_amount(orderlist.get(k).getorder_amount());
order.setshipping_fee(orderlist.get(k).getshipping_fee());
orderbottom orderbottom = new orderbottom(order, ordergoodses);
ordercontents.add(orderbottom);
}
mupdatelistview(ordercontents, morderadapter, mlistview, page, totalpages);
} else {
baseutil.showtoast(context, "没有订单");
}
}
然后利用setadapter方法将数据传到adapter中。
以下是adapter的实现方法
public class orderparentlistadapter extends baseadapter {
private context context;
private list<ordercontent> ordercontents;
private layoutinflater miflater;
public orderparentlistadapter(context context, list<ordercontent> ordercontents) {
this.context = context;
if(ordercontents!=null)
{
this.ordercontents = ordercontents;
}
else
{
this.ordercontents =new arraylist<ordercontent>();
}
}
@override
public int getcount() {
return ordercontents.size();
}
@override
public object getitem(int position) {
return ordercontents.get(position);
}
@override
public long getitemid(int position) {
return position;
}
@override
public boolean isenabled(int position) {
// todo auto-generated method stub
return ordercontents.get(position).isclickable();
}
@override
public view getview(int position, view convertview, viewgroup parent) {
return ordercontents.get(position).getview(context,convertview,miflater);
}
public void upatelist(list<ordercontent> ordercontents) {
// todo auto-generated method stub
this.ordercontents.addall(ordercontents);
this.notifydatasetchanged();
}
public void clearlistview() {
// todo auto-generated method stub
this.ordercontents.clear();
}
}
最后，使用此方法需要和接口沟通好数据返回的格式；
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