评估接口+课程部分

src/utils/utils.js

@@ -0,0 +1,86 @@
+//
+export function traverseArr(arr, traverseObj, saveOld = false) {
+  const newArr = [];
+  if (arr.length !== 0) {
+    arr.forEach((item) => {
+      let obj = {};
+      if (saveOld) {
+        obj = {
+          ...item,
+        };
+      }
+      if (Object.keys(traverseObj).length !== 0) {
+        for (const key in traverseObj) {
+          if (typeof traverseObj[key] === "string") {
+            obj[key] = item[traverseObj[key]];
+          } else {
+            if (item[key] && item[key].length !== 0) {
+              obj[key] = traverseArr(item[key], traverseObj);
+            }
+          }
+        }
+      }
+      newArr.push(obj);
+    });
+  }
+  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 deepCloneFilterString(obj, fillterKeys) {
+  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] = deepCloneFilterString(obj[key], fillterKeys);
+      } else {
+        result[key] = fillterKeys.includes(key) ? obj[key] : String(obj[key]);
+      }
+    }
+    return result;
+  }
+  return obj;
+}
+
+export function sortBy(arr, ...keys) {
+  return arr.sort((x, y) => {
+    for (const key of keys) {
+      const valueX = typeof key === "function" ? key(x) : x[key];
+      const valueY = typeof key === "function" ? key(y) : y[key];
+      if (valueX > valueY) {
+        return 1;
+      }
+      if (valueX < valueY) {
+        return -1;
+      }
+    }
+    return 0;
+  });
+}
+
+export function filterCommon(arr, key) {
+  let newData = {};
+  arr.forEach((item) => {
+    //新建属性名
+    if (Object.keys(newData).indexOf("" + item[key]) === -1) {
+      newData[item[key]] = [];
+    }
+    //对应插入属性值
+    newData["" + item[key]].push(item);
+  });
+  return newData;
+}