[英]How to put api data value into select options for quasar framework?
[英]How to put/have value/data in options value=“”?
有人可以帮助我如何将数据放入选项value =“”中吗? 请参见下面的代码。
<!DOCTYPE html>
<html>
<body>
<h3>Preventive Maintenance Cost</h3>
<select id="mySelect" onchange="myFunction()">
<option value="">-- Select a model --</option>
<option value="accord_mm">Accord (Metro Manila)</option>
<option value="accord_pro">Accord (Provincial)</option>
<option value="brio_mm">Brio/Amaze (Metro Manila)</option>
<option value="brio_pro">Brio/Amaze (Provincial)</option>
<option value="city_mm">City (Metro Manila)</option>
<option value="city_pro">City (Provincial)</option>
<option value="civic_mm">Civic (Metro Manila)</option>
<option value="civic_pro">Civic (Provincial)</option>
<option value="crv_mm">CR-V (Metro Manila)</option>
<option value="crv-pro">CR-V (Provincial)</option>
<option value="crz_mm">CR-Z (Metro Manila)</option>
<option value="crz_pro">CR-Z (Provincial)</option>
<option value="hrv_mm">HR-V (Metro Manila)</option>
<option value="hrv_pro">HR-V (Provincial)</option>
<option value="jazz_mm">Jazz (Metro Manila)</option>
<option value="jazz_pro">Jazz (Provincial)</option>
<option value="legend_mm">Legend (Metro Manila)</option>
<option value="legend_pro">Legend (Provincial)</option>
<option value="mobilio_mm">Mobilio (Metro Manila)</option>
<option value="mobilio_pro">Mobilio (Provincial)</option>
<option value="odyssey_mm">Odyssey (Metro Manila)</option>
<option value="odyssey_pro">Odyssey (Provincial)</option>
<option value="pilot_mm">Pilot (Metro Manila)</option>
<option value="pilot_pro">Pilot (Provincial)</option>
</select>
<p id="demo"></p>
<script>
function myFunction() {
var x = document.getElementById("mySelect").value;
document.getElementById("demo").innerHTML = "Details: </br>" + x;
}
</script>
</body>
</html>
我想根据所选的汽车型号将输出显示为带有图像的表格。
提前致谢!
(完全正确)请提出问题,必须提供足够的信息。 任何人都只会向您显示线索,而不是为您编写代码。
您想显示显示图片,但不要告诉所有人有关您的图片。
(知道)显示图像,网络上有很多显示图像的方法。 我只举一个例子:
$("#car").change(function(){ var directory = "../../../"; // example place of picture var picture = this.value; // this a value if you change var format = ".png"; // this format you picture $("#display_car").attr({ "src":directory+picture+format, "alt":"image "+picture+" is broken" }); });
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script> <select id='car'> <option hidden selected>Pick Your Car</option> <option value='car1'>car1</option> <option value='car2'>car2</option> </select> <img id='display_car' /> <p> Why broken? because in <img>, IF picture can't load, the alt is return :) </p>
如何将数据放入选项value =“”
您不需要将数据放在值中,而是可以使用data
属性。
下面是一个如何在option
使用data
属性的示例为了获取图像,我正在使用一个名为data-img的标签。 您可以重命名它,但它总是像data-myChoiceOne,data-myChoiceTwo
它需要包含data
。 如果要传递图像位置的路径,则可以传递data属性
HTML
<option value="">-- Select a model --</option>
<option value="accord_mm" data-img='http://img.autobytel.com/car-reviews/autobytel/11694-good-looking-sports-cars/2016-Ford-Mustang-GT-burnout-red-tire-smoke.jpg'>Accord (Metro Manila)</option>
<option value="accord_pro" data-img="http://static5.businessinsider.com/image/582de470e02ba72e008b4e76-1200/lamborghini-huracan-rwd-spyder.jpg">Accord (Provincial)</option>
JS
创建将在选择更改时触发的功能,然后this
对象传递给功能。 使用该对象,您可以获取所选选项的所有参数
function myFunction(obj) {
//get image
var img = obj.options[obj.selectedIndex].getAttribute('data-img');
//get the text
var val = obj.options[obj.selectedIndex].getAttribute('value');
//table where news rows will be appeneded
var tab = document.getElementById("demo");
//append new rows
tab.appendChild(createTable(val, img))
}
//函数接受文本和图像
function createTable(text, img) {
//Creating new row
var row = document.createElement('tr');
//creating cell for text
var cellText = document.createElement('td');
cellText.innerHTML = text;
//creating cell for image
var cellImg = document.createElement('td');
// adding the image as style
cellImg.style = "background-image:url(" + img + ");background-repeat:no-repeat;background-size:250px 180px; width: 250px; height: 180px;"
row.appendChild(cellText); // appending text cell
row.appendChild(cellImg); // appending image cell
return row; // return the row
}
您可以将图像路径存储在数据标签中,也可以将图像存储为image64位字符串
<select id="mySelect" onchange="myFunction()">
<option value="">-- Select a model --</option>
<option data-image="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAA1IAAAEsCAYAAADJkYKfAAAg" value="accord_mm">Accord (Metro Manila)</option>
</select>
要么
<select id="mySelect" onchange="myFunction()">
<option value="">-- Select a model --</option>
<option data-image="{image-path} /src/images/accord_mm.jpg" value="accord_mm">Accord (Metro Manila)</option>
</select>
您可以将数据值访问为$('#mySelect').data("image")
<img id="demo" src="">
<script>
function myFunction() {
var select = document.getElementById("mySelect");
var image-path= select.getAttribute('data-image');
var image = document.getElementById("demo");
image.src = image-path;
}
</script>
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