## hDel ##### *Description* Removes a value from the hash stored at key. If the hash table doesn't exist, or the key doesn't exist, `<span class="calibre12">FALSE</span>` is returned. 删除指定的元素。 ##### *Parameters* *key* *hashKey* ##### *Return value* *BOOL*`<span class="calibre12">TRUE</span>` in case of success, `<span class="calibre12">FALSE</span>` in case of failure ##