querywrapper的判空
时间: 2023-08-24 11:09:08 浏览: 114
回答: 在给QueryWrapper传入参数之前,可以使用解决方案一或解决方案二来判断参数是否为null。在解决方案一中,可以在代码中自行判断参数是否为null,如果是null则不传入参数。在解决方案二中,可以自定义一个类继承QueryWrapper,在该类中重写相应的方法,进行参数的判空操作。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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