Analysis of errors in JSON conversion using objectmapper

1. screening Object Convert to json Formal String strand , And Analysis json Formal String Whether the string uses the same Object. This kind of problem usually occurs in the internal conversion of the same system .
2. screening json Formal String Whether the string contains spaces 、 translation 、 enter , In this case, you need to remove the spaces 、 translation 、 enter , There are many good articles and good methods to solve problems . This problem usually occurs in calls between systems .
3. screening json Formal String Whether the string is garbled , Unified use UTF-8 code .