MyBatis Batch Insert: Fixing 'Parameter 'knowledgeId' not found' Error

This error occurs because the parameter 'knowledgeId' is not found in the given batch insert statement. The available parameters are 'entities' and 'param1'.

To fix this issue, you need to remove the condition for 'knowledgeId' in the first block and modify the second block to remove the 'knowledgeId' condition as well.

Here's the modified code:

<insert id="insertBatch" keyColumn="knowledge_id" keyProperty="knowledgeId" useGeneratedKeys="true">
    insert into knowledge_base_data
    <trim prefix="(" suffix=")" suffixOverrides=",">
        <if test="knowledgeTitle != null and knowledgeTitle != ''">knowledge_title,</if>
        <if test="knowledgeAnswer != null and knowledgeAnswer != ''">knowledge_answer,</if>
        <if test="labelId != null">label_id,</if>
        <if test="commodityName != null and commodityName != ''">commodity_name,</if>
        <if test="commodityCode != null and commodityCode != ''">commodity_code,</if>
        <if test="createBy != null and createBy != ''">create_by,</if>
        <if test="createTime != null">create_time,</if>
        <if test="remarks != null and remarks != ''">remarks,</if>
        <if test="deleteFlag != null">delete_flag,</if>
    </trim>
    <foreach collection="entities" item="entity" separator=",">
        <trim prefix="(" suffix=")" suffixOverrides=",">
            <if test="knowledgeTitle != null and knowledgeTitle != ''">#{entity.knowledgeTitle,jdbcType=VARCHAR},</if>
            <if test="knowledgeAnswer != null and knowledgeAnswer != ''">#{entity.knowledgeAnswer,jdbcType=VARCHAR},</if>
            <if test="labelId != null">#{entity.labelId,jdbcType=INTEGER},</if>
            <if test="commodityName != null and commodityName != ''">#{entity.commodityName,jdbcType=VARCHAR},</if>
            <if test="commodityCode != null and commodityCode != ''">#{entity.commodityCode,jdbcType=VARCHAR},</if>
            <if test="createBy != null and createBy != ''">#{entity.createBy,jdbcType=VARCHAR},</if>
            <if test="createTime != null">#{entity.createTime,jdbcType=TIMESTAMP},</if>
            <if test="remarks != null and remarks != ''">#{entity.remarks,jdbcType=VARCHAR},</if>
            <if test="deleteFlag != null">#{entity.deleteFlag,jdbcType=INTEGER},</if>
        </trim>
    </foreach>
</insert>

In this modified code, the 'knowledgeId' parameter is removed from both the blocks.