edt_erp_process_master_vue/src/directives/copy.js

import { ElMessage } from "element-plus";

export default {
	mounted(el, binding) {
		el.$value = binding.value;
		el.handler = () => {
			const textarea = document.createElement("textarea");
			textarea.readOnly = "readonly";
			textarea.style.position = "absolute";
			textarea.style.left = "-9999px";
			textarea.value = el.$value;
			document.body.appendChild(textarea);
			textarea.select();
			textarea.setSelectionRange(0, textarea.value.length);
			const result = document.execCommand("Copy");
			if (result) {
				ElMessage.success("复制成功");
			}
			document.body.removeChild(textarea);
		};
		el.addEventListener("click", el.handler);
	},
	updated(el, binding) {
		el.$value = binding.value;
	},
	unmounted(el) {
		el.removeEventListener("click", el.handler);
	},
};