Javascript抓取URL参数并附加到所有页面

// 获取URL参数的值
function getURLParameter(name) {
  const searchParams = new URLSearchParams(window.location.search);
  return searchParams.get(name);
}

// 将参数附加到所有链接和表单中
function appendURLParameterToElements(name, value) {
  const links = document.getElementsByTagName("a");
  const forms = document.getElementsByTagName("form");

  // 遍历所有链接并附加参数
  for (let i = 0; i < links.length; i++) {
    let href = links[i].getAttribute("href");
    if (href.includes("?")) {
      href += `&${name}=${value}`;
    } else {
      href += `?${name}=${value}`;
    }
    links[i].setAttribute("href", href);
  }

  // 遍历所有表单并附加参数
  for (let i = 0; i < forms.length; i++) {
    let action = forms[i].getAttribute("action");
    if (action.includes("?")) {
      action += `&${name}=${value}`;
    } else {
      action += `?${name}=${value}`;
    }
    forms[i].setAttribute("action", action);
  }
}

// 获取参数值并附加到所有页面
const paramValue = getURLParameter("param1");
if (paramValue) {
  appendURLParameterToElements("param1", paramValue);
}