排序内置sorted排序sorted(iterable, /, *, key=None, reverse=False)'''Return a new list containing all items from the iterable in ascending order.A custom key function can be supplied to customize the sort order, and thereverse flag..
var arr = [{"name":"张三","value":"111"},{"name":"李四","value":"11111"},{"name":"张三","value":"25462"},{"name":"李四","value":"23131"},{"name":"王五","value":"2315432"},{"name":"李四","value":"333333"}];
id, name shandong01 name1 shandong02 name2 shandong03 name3 beijing01 name4 beijing02 name5 beijing03 name6 shanghai01 name7 复制代码 代码如下:select id,name from table order by case when id like 'shanghai%' then 0 when id like 'b..
目录find 方法条件组合比较操作符IN 查询限制返回结果条数和跳过数据排序总结find 方法查询的基本格式是db.collection.find({条件})，其中条件是可选的，类似于 MySQL 的 WHERE 条件一样。示例如下：//查找全部文档db.collection.find({});// 查找..
