Neither BindingResult nor plain target object for bean name 'entity' available as request attribute
2017-06-20 13:03
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错误截图：
原因：后台返回了一个为null的对象 eg:entity = null, 导致页面用entity.getName时报 null.getSomething 错误
解决：后台返回的每一个对象都不能为null, 没有数据返回就用new Student(); 返回到页面这样就不会出现如题错误
Student student = null -------------------------------------------> 返回到jsp时报错
Student student = new Student()-------------------------------------------> 返回到jsp时正常
原因：后台返回了一个为null的对象 eg:entity = null, 导致页面用entity.getName时报 null.getSomething 错误
解决：后台返回的每一个对象都不能为null, 没有数据返回就用new Student(); 返回到页面这样就不会出现如题错误
Student student = null -------------------------------------------> 返回到jsp时报错
Student student = new Student()-------------------------------------------> 返回到jsp时正常
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