o分组函数

libs/henq.js

@@ -96,6 +96,17 @@ henq.getDate = (strDate) => {
     }).match(/\d+/g) + ')');
   return date;
 }
+henq.group=(array, f)=> {
+  const groups = {};
+  array.forEach(function (o) {
+    const group = JSON.stringify(f(o));
+    groups[group] = groups[group] || [];
+    groups[group].push(o);
+  });
+  return Object.keys(groups).map(function (group) {
+    return groups[group];
+  });
+}
 henq.toTree = (list, rootId, format, parentFiledName) => {
   var upId = parentFiledName;
   let i = 0;