case_class_server/frontend/web/static/js/junyi-h5-copy.ts

export default function h5Copy(content) {
    let input = document.createElement("input");
    input.value = content;
    input.readOnly = true;
    document.body.appendChild(input)
    input.select() // 选择对象
    input.setSelectionRange(0, content.length) //核心
    let result = document.execCommand("Copy") // 执行浏览器复制命令
    input.remove();
    return result;
}