com.fasterxml.jackson.core.JsonGenerationException: Can not write a field name, expecting a value异常

com.fasterxml.jackson.core.JsonGenerationException: Can not write a field name, expecting a value异常

参考文章：

（1）com.fasterxml.jackson.core.JsonGenerationException: Can not write a field name, expecting a value异常

（2）https://www.cnblogs.com/dslx/p/11819953.html

备忘一下。