尝试在下面的代码中更改颜色。
如果金额是正数(利润) - >绿色(发生这种情况)
如果金额为负(亏损) - >红色(此
doesn't
发生)
function roundToTwo(num) {
var rounded = +(Math.round(num + "e+2") + "e-2");
if (rounded < 0.01) {
rounded = 0
};
return rounded
}
$("#quantity, #buy, #sell").on("change keyup paste", function() {
var quantity = Number($('#quantity').val());
var buy = Number($("#buy").val());
var sell = Number($("#sell").val());
var total_amnt_trade = roundToTwo((quantity * buy) + (quantity * sell));
var brokerage_amnt_buy = ((buy * quantity) * 0.08) / 100;
if (brokerage_amnt_buy >= 25) {
var brokerage_buy = 25;
} else {
var brokerage_buy = brokerage_amnt_buy;
}
var brokerage_amnt_sell = ((sell * quantity) * 0.08) / 100;
if (brokerage_amnt_sell >= 25) {
var brokerage_sell = 25;
} else {
var brokerage_sell = brokerage_amnt_sell;
}
var brokerage = roundToTwo(brokerage_buy + brokerage_sell); //brokerage
var transaction_charges = roundToTwo((((buy * quantity) + (sell * quantity)) * 0.00325) / 100); //Transaction Charges
var gst = roundToTwo((((transaction_charges * 18) / 100) + (brokerage * 18) / 100)); //GST
var total_charges = roundToTwo(brokerage + transaction_charges + gst);
var pnl = roundToTwo(((sell - buy) * quantity) - total_charges);
if (pnl == 0) {
$('#pnl_text_display').text("Profit / Loss");
$('#pnl_color').attr('bgcolor', '');
} else if (pnl > 0) {
$('#pnl_text_display').text("Profit");
$('#pnl_color').attr('bgcolor', 'green');
} else if (pnl < 0) {
$('#pnl_text_display').text("Loss");
$('#pnl_color').attr('bgcolor', 'red');
}
$('#tot_amnt_trade_display').text(total_amnt_trade);
$('#total_charges_display').text(total_charges);
$('#pnl_display').text(pnl);
if (quantity > 0) {
if ((buy > 0) || (sell > 0)) {
var bep_pnl = -0.5;
if (buy == 0) {
buy = roundToTwo(sell - 0.01);
while (bep_pnl < 0.01) {
total_amnt_trade = roundToTwo((quantity * buy) + (quantity * sell));
var brokerage_amnt_buy = ((buy * quantity) * 0.08) / 100;
if (brokerage_amnt_buy >= 25) {
var brokerage_buy = 25;
} else {
var brokerage_buy = brokerage_amnt_buy;
}
var brokerage_amnt_sell = ((sell * quantity) * 0.08) / 100;
if (brokerage_amnt_sell >= 25) {
var brokerage_sell = 25;
} else {
var brokerage_sell = brokerage_amnt_sell;
}
var brokerage = roundToTwo(brokerage_buy + brokerage_sell); //brokerage
var transaction_charges = roundToTwo((((buy * quantity) + (sell * quantity)) * 0.00325) / 100); //Transaction Charges
var gst = roundToTwo((((transaction_charges * 18) / 100) + (brokerage * 18) / 100)); //GST
var total_charges = roundToTwo(brokerage + transaction_charges + gst);
bep_pnl = roundToTwo(((sell - buy) * quantity) - total_charges);
buy = roundToTwo(buy - 0.01);
}
var bep = roundToTwo(sell - buy);
$('#bep_display').text(bep);
} else {
sell = roundToTwo(buy + 0.001);
while (bep_pnl < 0.01) {
total_amnt_trade = roundToTwo((quantity * buy) + (quantity * sell));
var brokerage_amnt_buy = ((buy * quantity) * 0.08) / 100;
if (brokerage_amnt_buy >= 25) {
var brokerage_buy = 25;
} else {
var brokerage_buy = brokerage_amnt_buy;
}
var brokerage_amnt_sell = ((sell * quantity) * 0.08) / 100;
if (brokerage_amnt_sell >= 25) {
var brokerage_sell = 25;
} else {
var brokerage_sell = brokerage_amnt_sell;
}
var brokerage = roundToTwo(brokerage_buy + brokerage_sell); //brokerage
var transaction_charges = roundToTwo((((buy * quantity) + (sell * quantity)) * 0.00325) / 100); //Transaction Charges
var gst = roundToTwo((((transaction_charges * 18) / 100) + (brokerage * 18) / 100)); //GST
var total_charges = roundToTwo(brokerage + transaction_charges + gst);
bep_pnl = roundToTwo(((sell - buy) * quantity) - total_charges);
sell = roundToTwo(sell + 0.01);
}
var bep = roundToTwo(sell - buy);
$('#bep_display').text(bep);
}
}
}
})
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<table class="table table-borderless">
<tbody>
<tr style="text-align: center;">
<td><b>Quantity</b></td>
<td><b>Buy</b></td>
<td><b>Sell</b></td>
</tr>
<tr>
<td><input type="number" class="form-control" id="quantity" placeholder="Quantity" name="quantity"></td>
<td><input type="number" class="form-control" id="buy" placeholder="Buy Amount" name="buy"></td>
<td><input type="number" class="form-control" id="sell" placeholder="Sell Amount" name="sell"></td>
</tr>
</tbody>
</table>
<table class="table table-dark right_side_col">
<tbody>
<tr>
<td>Total Amount Traded</td>
<td><span id="tot_amnt_trade_display"></span></td>
</tr>
<tr id="pnl_color">
<td><span id="pnl_text_display">Profit / Loss</span></td>
<td><span id="pnl_display"></span></td>
</tr>
<tr>
<td>Breakeven Point</td>
<td><span id="bep_display"></span></td>
</tr>
</tbody>
</table>
<table class="table table-dark right_side_col">
<tbody>
<tr>
<td>Total Charges</td>
<td><span id="total_charges_display"></span></td>
</tr>
</tbody>
</table>
另外请帮助我,我的Break Even Point(BEP)公式是否正确,是否有更简单的方法来编写逻辑?
BEP是指交易者在交易后既没有亏损也没有盈利的情况。
您的代码问题是在函数roundToTwo
中您写道如果数字小于0.01
然后返回0.所以它永远不会返回小于0的数字。所以只需删除if statement
它将按预期工作。
function roundToTwo(num) {
return +(Math.round(num + "e+2") + "e-2");
}