com.fasterxml.jackson.databind.ObjectMapper利用转换json到list

import com.fasterxml.jackson.databind.ObjectMapper;

private ObjectMapper objectMapper = new ObjectMapper();

private List<Student> changeListJsontoList(String content, Class classType) throws Exception {
        List<Student> Students = objectMapper.readValue(content, objectMapper.getTypeFactory().constructParametricType(ArrayList.class, classType));
        return Students;
}