296 lines
4.9 KiB
JavaScript
296 lines
4.9 KiB
JavaScript
/**
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* 删除购物车
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* @param cart_id
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*/
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function drop_cart_item(cart_id){
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var parent_tr = $('#cart_item_' + cart_id).parent();
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var url = HOMESITEURL+'/Cart/del.html';
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layer.confirm('Are you sure to delete it?', {
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btn: ['Yes', 'No'],
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title: false,
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}, function (cart_confirm) {
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$.get(url,{'cart_id': cart_id}, function(result){
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if(result.state){
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//删除成功
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if(result.quantity == 0){//判断购物车是否为空
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window.location.reload(); //刷新
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} else {
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$('tr[ds_group="'+cart_id+'"]').remove();//移除本商品或本套装
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if (parent_tr.children('tr').length == 2) {//只剩下店铺名头和店铺合计尾，则全部移除
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parent_tr.remove();
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}
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calc_cart_price();
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}
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}else{
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alert(result.msg);
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}
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},'json');
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layer.close(cart_confirm);
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window.location.reload(); //刷新
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});
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}
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/**
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* 更改购物车数量
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* @param cart_id
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* @param input
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*/
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function change_quantity(cart_id, input){
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var subtotal = $('#item' + cart_id + '_subtotal');
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//暂存为局部变量，否则如果用户输入过快有可能造成前后值不一致的问题
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var _value = input.value;
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var url = HOMESITEURL+'/Cart/update.html';
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$.get(url,{'cart_id': cart_id,'quantity': _value}, function(result){
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$(input).attr('changed', _value);
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if(result.state == 'true'){
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$('#item' + cart_id + '_price').html(number_format(result.goods_price,2));
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subtotal.html(number_format(result.subtotal,2));
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$('#cart_id'+cart_id).val(cart_id+'|'+_value);
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}
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if(result.state == 'invalid'){
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subtotal.html(0.00);
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$('#cart_id'+cart_id).remove();
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$('tr[ds_group="'+cart_id+'"]').addClass('item_disabled');
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$(input).parent().next().html('');
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$(input).parent().removeClass('ws0').html('已下架');
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layer.msg(result.msg);
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return;
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}
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if(result.state == 'shortage'){
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$('#item' + cart_id + '_price').html(number_format(result.goods_price,2));
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$('#cart_id'+cart_id).val(cart_id+'|'+result.goods_num);
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$(input).val(result.goods_num);
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layer.msg(result.msg);
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return;
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}
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if(result.state == '') {
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//更新失败
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layer.msg(result.msg);
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$(input).val($(input).attr('changed'));
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}
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calc_cart_price();
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}, 'json');
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}
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/**
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* 购物车减少商品数量
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* @param cart_id
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*/
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function decrease_quantity(cart_id){
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var item = $('#input_item_' + cart_id);
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var orig = Number(item.val());
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if(orig > 1){
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item.val(orig - 1);
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item.keyup();
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}
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}
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/**
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* 购物车增加商品数量
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* @param cart_id
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*/
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function add_quantity(cart_id){
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var item = $('#input_item_' + cart_id);
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var orig = Number(item.val());
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item.val(orig + 1);
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item.keyup();
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}
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/**
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* 购物车商品统计
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*/
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function calc_cart_price() {
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//每个店铺商品价格小计
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obj = $('table[ds_type="table_cart"]');
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if(obj.children('tbody').length==0) return;
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//购物车已选择商品的总价格
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var allTotal = 0;
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obj.children('tbody').each(function(){
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//购物车每个店铺已选择商品的总价格
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var eachTotal = 0;
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$(this).find('em[ds_type="eachGoodsTotal"]').each(function(){
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if ($(this).parent().parent().find('input[type="checkbox"]').eq(0).prop('checked') != true)
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{
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return;
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}
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eachTotal = eachTotal + parseFloat($(this).html());
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});
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allTotal += eachTotal;
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$(this).children('tr').last().find('em[ds_type="eachStoreTotal"]').eq(0).html(number_format(eachTotal,2));
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});
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$('#cartTotal').html(number_format(allTotal,2));
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}
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$(function(){
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calc_cart_price();
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$('#selectAll').on('click',function(){
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if ($(this).prop('checked')) {
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$('input[type="checkbox"]').prop('checked',true);
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$('input[type="checkbox"]:disabled').prop('checked',false);
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} else {
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$('input[type="checkbox"]').prop('checked',false);
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}
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calc_cart_price();
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});
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$('input[ds_type="eachGoodsCheckBox"]').on('click',function(){
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if (!$(this).prop('checked')) {
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$('#selectAll').prop('checked',false);
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}
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calc_cart_price();
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});
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$('#next_submit').on('click',function(){
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if ($(document).find('input[ds_type="eachGoodsCheckBox"]:checked').size() == 0) {
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layer.msg('请选中要结算的商品');
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return false;
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}else {
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$('#form_buy').submit();
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}
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});
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}); |