advent of the era of the knowledge economy
With the advent of the era of the knowledge economy, knowledge management has become an irreversible trend in the global economy. It has overwhelmingly challenged all traditional knowledge, values, thinking modes, and survival strategies. Knowledge management has become a hot topic. Due to changes in the learning style of the information age, higher requirements are needed for the teacher’s ability. Building a digital teaching resource library has become a key factor affecting the effective teaching of teachers. Therefore, teachers’ knowledge management has emerged. Teachers are typical knowledge workers. They are engaged in various knowledge activities, from the collection of teaching materials, writing of teaching plans, accumulation of teaching materials, teaching in the classroom, assessment of students’ learning, and reuse of learning outcomes. These involve a series of knowledge production, creation, accumulation, transfer and use in the process of knowledge management. Knowledge management is one of teachers’ key abilities to catch up with the knowledge society and keep pace with times. Teachers’ personal knowledge management means that teachers acquire, store, share, apply and innovate professional knowledge required in teaching, facilitate the switch between implicit knowledge and explicit knowledge, improve teaching efficiency and promote the better development of the subject, using tools and platforms of information technology and knowledge management, etc., by establishing a set of effective knowledge management systems and institutions. Digital libraries, as an important symbol of the information age, must be established and centered on service, understanding the current dilemma, managing knowledge reasonably according to the needs of users, increasing knowledge service in a timely manner, survival and development in the market competitions in the current field of knowledge service.