The background how to write the entity attributes of a class to receive the object, and bosses give directions
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This is the background controller
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This is the background entity class
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CodePudding user response:
Entity class if define a three dimensional array initialization feel there will be a problem, the feeling will be submitted to the many null pointer exceptionCodePudding user response:
Or don't change the entity classes, I can directly receive similar String [] [] [] parametersCodePudding user response:
Use json to pick up, find a plugin or hand rolled typeCodePudding user response:
It is not definitely MapCodePudding user response:
This is a JSONArray format strings, let the front just preach stringThe background with: JSONArray array=JSONArray. FromObject (" [{}, {}] ");
JSONArray also implements the Java. Util.
the List interface
Thinking is such