ognl.OgnlException: target is null for setProperty 异常处理
2009-09-07 16:12
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问题是这样的,实体对象一定要有一个无参数的构造函数。本来吗,你自个不写一个带参的函数当然不会有这个问题了。但写了就可能不写一个无参数的构造函数。否则就会报-------异常:ognl.OgnlException: target is null for setProperty
这个是在页面提交时,通过ognl,先调用无参数的构造函数,然后再调用相应的setter方法去可构造实体对象,没有无参数的构造函数,当然报错了
无参数的构造函数就OK
这个是在页面提交时,通过ognl,先调用无参数的构造函数,然后再调用相应的setter方法去可构造实体对象,没有无参数的构造函数,当然报错了
无参数的构造函数就OK
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