The given object has a null identifier解决之法
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The given object has a null identifier解决之法
出现这个异常,一般来说主要修改时候主键没有传递或者name属性指定错误。
解决方案:你要把你的更新的实例的主键传过去,可以以hidden的方式传。
如:
<input type="hidden" name="aza010" id="aza010" value="${(dto.aza010)!}" />
<input type="hidden" name="aza130" id="aza130" value="${(dto.aza130)!}" />
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