假设list格式如下list = [{"id":"1","name":"A","age":20}, {"id":"2","name":"B","age":21},{"id":"3","name":"C","age":22}];假设list格式如下list = [{"id":"1","name":"A","age":20
假设list格式如下list = [{"id":"1","name":"A","age":20}, {"id":"2","name":"B","age":21},{"id":"3","name":"C","age":22}];假设list格式如下list = [{"id":"1","name":"A","age":20