保存数据为json文件()

保存数据为json文件

/**
 * @description: 对象数据保存为文件
 * @param {*} data 数据
 * @param {*} filename 文件名
 * @return {*}
 */
 function saveJSON(data, filename) {
  if (!data) {
    alert("保存的数据为空");
    return;
  }
  if (!filename) filename = "json.json"
  if (typeof data === "object") {
    data = JSON.stringify(data, undefined, 4);
  }
  var blob = new Blob([data], { type: "text/json" });
  var e = document.createEvent("MouseEvents");
  var a = document.createElement("a");
  a.download = filename;
  a.href = window.URL.createObjectURL(blob);
  a.dataset.downloadurl = ["text/json", a.download, a.href].join(":");
  e.initMouseEvent(
    "click",
    true,
    false,
    window,
    0,
    0,
    0,
    0,
    0,
    false,
    false,
    false,
    false,
    0,
    null
  );
  a.dispatchEvent(e);
}
————————

保存数据为json文件

/**
 * @description: 对象数据保存为文件
 * @param {*} data 数据
 * @param {*} filename 文件名
 * @return {*}
 */
 function saveJSON(data, filename) {
  if (!data) {
    alert("保存的数据为空");
    return;
  }
  if (!filename) filename = "json.json"
  if (typeof data === "object") {
    data = JSON.stringify(data, undefined, 4);
  }
  var blob = new Blob([data], { type: "text/json" });
  var e = document.createEvent("MouseEvents");
  var a = document.createElement("a");
  a.download = filename;
  a.href = window.URL.createObjectURL(blob);
  a.dataset.downloadurl = ["text/json", a.download, a.href].join(":");
  e.initMouseEvent(
    "click",
    true,
    false,
    window,
    0,
    0,
    0,
    0,
    0,
    false,
    false,
    false,
    false,
    0,
    null
  );
  a.dispatchEvent(e);
}