[簡單]mybatis判斷數字類型

       昨天同事反饋mybatis保存不了int類型的屬性,一直報錯，錯誤信息以下:java       Caused by: java.lang.NumberFormatException: For input string: "null" at sun.misc.FloatingDecimal.readJavaFormatString(Unknown Source) at sun.m

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