How to convert utf-8 json data passed from ios in the java background

Question

How to convert utf-8 format in javajava background

我想大声告诉你 · Answer

1 First debug whether the json string passed from iOS is garbled
2 If the json string is not garbled in the first step, then use java’s json lib to process it. Commonly used java json tools include fastjson and jackson

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