合并课程

src/utils/utils.js

@@ -26,20 +26,20 @@ export function traverseArr(arr, traverseObj, saveOld = false) {
   return newArr;
 }
 
-// export function deepClone(obj) {
-//   let result = typeof obj.splice === "function" ? [] : {};
-//   if (obj && typeof obj === "object") {
-//     for (let key in obj) {
-//       if (obj[key] && typeof obj[key] === "object") {
-//         result[key] = deepClone(obj[key]);
-//       } else {
-//         result[key] = obj[key];
-//       }
-//     }
-//     return result;
-//   }
-//   return obj;
-// }
+export function deepClone(obj) {
+  let result = typeof obj.splice === "function" ? [] : {};
+  if (obj && typeof obj === "object") {
+    for (let key in obj) {
+      if (obj[key] && typeof obj[key] === "object") {
+        result[key] = deepClone(obj[key]);
+      } else {
+        result[key] = obj[key];
+      }
+    }
+    return result;
+  }
+  return obj;
+}
 
 export function deepCloneFilterString(obj, fillterKeys) {
   let result = typeof obj.splice === "function" ? [] : {};
@@ -95,6 +95,14 @@ export function getdateToTime(date) {
   return `${y}-${m < 10 ? "0" + m : m}-${d < 10 ? "0" + d : d} ${hh}:${mm}`;
 }
 
+export function getdateToDate(date) {
+  let now = new Date(parseInt(date)),
+    y = now.getFullYear(),
+    m = now.getMonth() + 1,
+    d = now.getDate();
+  return `${y}${m < 10 ? "0" + m : m}${d < 10 ? "0" + d : d}`;
+}
+
 //计算两个时间之间的时间差 多少天时分秒
 export function intervalTime(startTime) {
   const curTime = new Date().getTime(); //计算当前时间戳
@@ -117,3 +125,47 @@ export function intervalTime(startTime) {
     seconds,
   };
 }
+
+// 分片处理
+export function batchLoadList(
+  sourceData,
+  dataTotal,
+  splitNumber = 10,
+  callback,
+  complete
+) {
+  if (sourceData.length <= splitNumber) {
+    typeof callback === "function" && callback(sourceData);
+    typeof callback === "function" && complete();
+    return;
+  }
+  let first = 0;
+  const intTime = parseInt(String(dataTotal / splitNumber));
+  const floatTime = sourceData.length % splitNumber;
+  const total = intTime + (floatTime > 0 ? 1 : 0);
+  for (let i = 0; i < total; i += 1) {
+    const end = first + splitNumber;
+    const splitArray = sourceData.slice(first, end);
+    setTimeout(() => {
+      typeof callback === "function" && callback(splitArray);
+      if (i === total - 1) {
+        // 分片处理完成
+        typeof callback === "function" && complete();
+      }
+    });
+    first = end;
+  }
+}
+
+export function newFile(code) {
+  const blob = new Blob([code], {
+    type: "application/vnd.ms-excel",
+  });
+  const linkNode = document.createElement("a");
+  linkNode.style.display = "none";
+  linkNode.href = URL.createObjectURL(blob); //生成一个Blob URL
+  document.body.appendChild(linkNode);
+  linkNode.click(); //模拟在按钮上的一次鼠标单击
+  URL.revokeObjectURL(linkNode.href); // 释放URL 对象
+  document.body.removeChild(linkNode);
+}