后台報錯內容
JsonParseException: Unexpected character ('?' (code 255))
原因
一般出現這種異常都是前台給后台傳遞的 JSON 字符串格式是錯誤的
例如: 前台給后台傳遞了一個 {aa:"aa",bb:"bb"} 這種字符串, 后台使用 jackson 將這個 JSON 字符串轉為對象時就會拋出 JsonParseException: Unexpected character ('a' (code 97)) 異常
JsonParseException: Unexpected character ('?' (code xxx))
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