
类文件中,初始化:
private static final ObjectMapper MAPPER = new ObjectMapper();
String response = xxx;
response {"id":"1","name":"zhangsan","password":"123",......}
将response的json字符串转为User对象(反序列化)
User user = MAPPER.readValue(response,User.class);
将User对象转为json字符串(序列化)
String value = MAPPER.writeValueAsString(user);
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