解决mybatis foreach 错误: Parameter ‘__frch_item_0‘ not found
在遍历对象的属性（是ArrayList对象）时报错：
org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.binding.BindingException: Parameter ‘__frch_item_0‘ not found. Available parameters are [1, 0, param1, param2]
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