Cause: java.sql.SQLException: Incorrect string value: '\xF0\x9F\x90\x9DBZ...' for column 'nick_name' at row 1
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1074)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4096)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4028)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2490)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2651)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2734)
at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2155)
at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2458)
经检查原因:
UTF-8编码有可能是两个、三个、四个字节。Emoji表情是4个字节,而Mysql的utf8编码最多3个字节,所以数据插不进去。
解决方案:
1.将Mysql的编码从utf8转换成utf8mb4。
需要修改数据属性
2.将需要存入的字段在入库前先encode,出库之后decode
//csdnKeywordVisit.getKeyword()为emoji
//入库时encode
URLEncoder.encode(csdnKeywordVisit.getKeyword(), "UTF-8");
//出库时decode
URLDecoder.decode(keyword, "UTF-8");