JSP to MySQL consistent pass parameters to null-CodePudding

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JSP to MySQL consistent pass parameters to null

Time：09-16

My JSP file to MySQL transfer parameter is always null, anyone who can help me have a look at, I quick collapse,

CodePudding user response:

Didn't see the page have questiontype what is the request to see you in the API output,

CodePudding user response:

My idea is to perform the JSP to InsertQuestion. Java "questiontype=XZT" message

CodePudding user response:

Breakpoint debugging it is clear, see if go into the background