mysql Parameter index out of range (2 > number of parameters, which is 1).
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今天在改代码的时候报了个错误,看上去很简单,但是时有时无,开始没注意觉得是机子缓存问题,最后才发现了问题的根因。
看上去很简单就是本来是1个参数你传了两个就不对了,但是我看了sql没问题啊,没有仔细看。于是网上查了下发现有说问号是
中文也有可能导致不识别,我检查了下发现不是中文,最后再仔细一看发现有个语句后面少了个反斜杠。修正后解决此bug、
告诫同学们一定要谨慎。
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