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/删除购物车中商品
deleteproduct:function(id){
var ShoppingCart = utils.getParam("ShoppingCart");
var jsonstr = JSON.parse(ShoppingCart.substr(1,ShoppingCart.length));
var productlist = jsonstr.productlist;
var list=[];
for(var i in productlist){
if(productlist.id==id){
jsonstr.totalNumber=parseInt(jsonstr.totalNumber)-parseInt(productlist.num);
// jsonstr.totalAmount=parseFloat(jsonstr.totalAmount)-parseInt(productlist.num)*parseFloat(productlist.price);
jsonstr.totalAmount=addSub(jsonstr.totalAmount, accMul(productlist.num, productlist.price));
}else{
list.push(productlist);
}
}
jsonstr.productlist = list;
orderdetail.totalNumber = jsonstr.totalNumber;
orderdetail.totalAmount = jsonstr.totalAmount;
utils.setParam("ShoppingCart","'"+JSON.stringify(jsonstr));
},
红色部分的addSub应该是accSub
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