复制到剪贴板按钮
通常，您需要创建一个按钮，将某些内容复制到剪贴板中。
行为
-
拥有多个卡片矢量
-
每个卡片都有一个小复制按钮
-
如果用户点击该按钮，只有相关卡片的内容会被复制到剪贴板中
示例由 Jan Siml贡献。
@app begin
@in my_texts = [Dict(:id => id, :content => content) for (id, content) in zip(1:3, ["abc", "def", "ghi"])]
@in copied_index = 0
end
function ui()
[
h3("Some Text"),
card(class = "q-my-md", @for("(item, index) in my_texts"), key = :index, [
cardsection([
btn(icon = "content_paste", "", :flat, :dense, class = "absolute-right", @click("""
this.copyToClipboard(this.my_texts[index].content);
copied_index = index
this.\$q.notify('Copied ' + index + '!')
""")),
"{{item.content}}",
]),
]),
htmldiv("Copied Index: {{ copied_index }}")
]
end
@methods begin
"""
copyToClipboard: function(str) {
const el = document.createElement('textarea'); // Create a <textarea> element
el.value = str; // Set its value to the string that you want copied
el.setAttribute('readonly', ''); // Make it readonly to be tamper-proof
el.style.position = 'absolute';
el.style.left = '-9999px'; // Move outside the screen to make it invisible
document.body.appendChild(el); // Append the <textarea> element to the HTML document
const selected = this.my_text
el.select(); // Select the <textarea> content
document.execCommand('copy'); // Copy - only works as a result of a user action (e.g. click events)
document.body.removeChild(el); // Remove the <textarea> element
}
"""
end