執行根據某條件查詢數據，報錯如下：
網上搜索了下，說是mysql預查詢語句中的問號個數和傳入的參數個數不符。再看自己的mybatis代碼：
<if test="model != null and model != ''"> and model like CONCAT("%", "#{model}", "%") </if>
發現參數#{model}加上了引號，去掉引號就OK了。
java.sql.SQLException:Parameter index out of range (1>number of parameters, which is 0)
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