Question

I'm trying to make a basic cash register app. How do I pass the form data from this:

        String getExternalIds = "/FundShareClass/Fund/PortfolioList/Portfolio/Holding/HoldingDetail/@_ExternalId";
        List<String> externalIdList = new ArrayList<String>();

        XPath xPath =  XPathFactory.newInstance().newXPath();
        NodeList nodeList = (NodeList) xPath.compile(getExternalIds).evaluate(doc, XPathConstants.NODESET);

        for (int i = 0; i < nodeList.getLength(); i++)
        {
            externalIdList.add(nodeList.item(i).getFirstChild().getNodeValue() + '\n');
        }


        Connection conn = null;
        String url = "jdbc:mysql://localhost:3306/TestDb";
        String user = "root";
        String pass = "";

        Class.forName("com.mysql.jdbc.Driver").newInstance();
        conn = (Connection) DriverManager.getConnection(url, user, pass);
        System.out.print("Connection Made to Mysql Database");

for(String externalId : externalIdList)
            {
                 try
                 {
                     String currentId = externalId;

                     String query = "SELECT * FROM StructuredMappings WHERE managerCode=?";
                     PreparedStatement ps = conn.prepareStatement(query);
                     ps.setString(1, externalId);

                     ResultSet rs = ps.executeQuery();


                     Boolean response = rs.next();
                     System.out.println(response);

                     while(rs.next())
                     {
                         System.out.println("MAPPING CODE FOUND");

                         String ISIN = rs.getString("ISIN");
                         String idType = rs.getString("type");

                         System.out.println(ISIN +" , " +idType);
                     }

into the methods listed below everytime something is submitted

<form action="#" id="target">
<input type="text" required class="field1 col-md-3 col-md-offset-3" placeholder="Enter Item Name Here">
<input type="text" required class="field1 col-sm-2 " placeholder="Enter Item Quantity">
</div>
<div class="row">
<input type="text" class="field1 col-md-3 col-md-offset-3" placeholder="Enter Staff Name (Optional)">
<button type='submit' class="col-md-2 butn btn-one" id="check">Checkout</button>
</div>

then print the results of the script from the console to the HTML page

cashRegister.scan('ITEM NAME', QUANTITY);
// Apply your staff discount
// applying a staff discount to the total amount

cashRegister.applyStaffDiscount(EMPLOYEE);

I want to be able input a quantity of 5 for an item of apples, on my discount and have that form spit out this following JavaScript to execute this script http://codepen.io/illusionelements/pen/xGQrxN

console.log('Your bill is ' + cashRegister.total.toFixed(2));

Answer 1

It looks like the problem you're having is that you're trying to get the values of the form to the javascript. If that's the case then try something like this:

parent.children.push(child);

A couple things you'd need to do to make this work:

give your inputs unique classes or ids

make an object of your staff members

$('#check').on('click', function(e) {
    e.preventDefault(); //Stops the form from being posted
    var item = $('#item').val();
    var quantity = $('#quantity').val();
    var staff = $('#staff').val();

    cashregister.scan(item, quantity);
    if(staff.length > 0 && typeof staffMembers[staff] != 'undefined')
    {
        cashregister.applyStaffDiscount(staffMembers[staff]);
    }

    console.log('Your bill is ' + cashRegister.total.toFixed(2));

    $('#target2').fadeIn(5000)
      // .animate({opacity: 0.5}, 3000)
      .fadeOut(5000);
});

HTML Form data into a Object to pass a method

1 个答案: