所以我有一个购物车项目,我必须将图像保存到数据库而不是上传到服务器,这是我的模型
namespace ShoppingCart.Models
{
[Bind(Exclude = "ItemID")]
public class Item
{
[ScaffoldColumn(false)]
public int ItemID { get; set; }
[DisplayName("Category")]
public int CategoryID { get; set; }
[DisplayName("Brand")]
public int BrandID { get; set; }
[Required(ErrorMessage = "A Name is required")]
[StringLength(160)]
public string Title { get; set; }
public string Description { get; set; }
[Required(ErrorMessage = "Price is required")]
[Range(0.01, 100.00,
ErrorMessage = "Price must be between 0.01 and 500.00")]
public decimal Price { get; set; }
[DisplayName("Album …Run Code Online (Sandbox Code Playgroud) 我有这个控制器,我想要做的是将图像作为[字节]发送到控制器,这是我的控制器:
[HttpPost]
public ActionResult AddEquipment(Product product, HttpPostedFileBase image)
{
if (image != null)
{
product.ImageMimeType = image.ContentType;
product.ImageData = new byte[image.ContentLength];
image.InputStream.Read(product.ImageData, 0, image.ContentLength);
}
_db.Products.Add(product);
_db.SaveChanges();
return View();
}
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在我看来:
@using (Html.BeginForm("AddEquipment", "Equipment", FormMethod.Post)) {
<fieldset>
<legend>Product</legend>
<div class="editor-label">
@Html.LabelFor(model => model.Name)
</div>
<div class="editor-field">
@Html.EditorFor(model => model.Name)
@Html.ValidationMessageFor(model => model.Name)
</div>
<div class="editor-label">
@Html.LabelFor(model => model.Description)
</div>
<div class="editor-field">
@Html.EditorFor(model => model.Description)
@Html.ValidationMessageFor(model => model.Description)
</div>
<div class="editor-label">
@Html.LabelFor(model => model.Price)
</div>
<div class="editor-field">
@Html.EditorFor(model => model.Price)
@Html.ValidationMessageFor(model …Run Code Online (Sandbox Code Playgroud) 我正在使用 stripe 元素创建付款意图,但是我确实需要捕获客户的电子邮件和姓名,以便在购买后授予对产品的访问权限,这是我的代码:
async function initialize() {
const { clientSecret } = await fetch("../create.php", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ items }),
}).then((r) => r.json());
elements = stripe.elements({ clientSecret });
const paymentElement = elements.create("payment", {
fields: {
billingDetails: {
name: 'auto',
email: 'auto',
}
}
});
paymentElement.mount("#payment-element");
}
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付款元素已创建并获取 CC 信息,选项设置为自动或关闭,文档中没有选项使字段成为必填项,我如何仍然获得有关付款意图的信息?
我正在尝试在CSS上创建背景效果,目前我只使用形状像示例的背景图像:

但是我认为必须有一种方法可以对CSS做这种效果,我一直在寻找这个问题太久了,我无法在任何地方找到正确的答案,有没有办法做到这一点?
所以我需要的是用CSS完成的容器的不对称背景.
我试图在 Chart.js 的顶部显示总金额;我正在尝试使用 datalabel 插件,但我不确定为什么它不显示标签,我没有收到任何错误,这是我的代码:
<script src="https://cdn.jsdelivr.net/npm/chart.js@3.0.0/dist/chart.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/chartjs-plugin-datalabels@2.0.0-rc"></script>
<canvas id="myChart" width="850" height="520"></canvas>
<script>
var ctx = document.getElementById('myChart');
Chart.register(ChartDataLabels);
Chart.defaults.set('plugins.datalabels', {
color: '#FE777B'
});
var myChart = new Chart(ctx, {
type: 'bar',
plugins: [ChartDataLabels],
data: {
datasets: [{
data: <?php print_r($barData); ?>,
label: 'Advisor Closed MTD',
backgroundColor: 'rgb(192,111,94)',
barThickness: 25,
datalabels: {
color: '#FFCE56'
}
}],
},
options: {
responsive: false,
plugins: {
datalabels: {
color: 'blue'
}
}
}
});
</script>
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该图表显示了正确的信息,但标签根本没有显示。
asp.net ×1
asp.net-mvc ×1
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chart.js ×1
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css ×1
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