更新前端静态网页获取方式，放弃使用后端获取api

frontend/node_modules/lodash/has.js

@@ -0,0 +1,35 @@
+var baseHas = require('./_baseHas'),
+    hasPath = require('./_hasPath');
+
+/**
+ * Checks if `path` is a direct property of `object`.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Object
+ * @param {Object} object The object to query.
+ * @param {Array|string} path The path to check.
+ * @returns {boolean} Returns `true` if `path` exists, else `false`.
+ * @example
+ *
+ * var object = { 'a': { 'b': 2 } };
+ * var other = _.create({ 'a': _.create({ 'b': 2 }) });
+ *
+ * _.has(object, 'a');
+ * // => true
+ *
+ * _.has(object, 'a.b');
+ * // => true
+ *
+ * _.has(object, ['a', 'b']);
+ * // => true
+ *
+ * _.has(other, 'a');
+ * // => false
+ */
+function has(object, path) {
+  return object != null && hasPath(object, path, baseHas);
+}
+
+module.exports = has;