今天在学习struts2.2类型转换时,出现了No result defined for action and result input这个问题。在查看了许多这个问题的解释后总结如下:
首先介绍下代码情况:
1、com.test.action下有PointAction.java和PointAction-conversion.properties
2、com.test.bean下有Point.java
3、com.test.converter下有PointConverter.java
4、WebRoot下有input.jsp和output.jsp
出现这个问题的原因是:
由于在PointConverter.java中设置的分隔符是英文的逗号“,”而在input.jsp页面输入时分隔符用的是中文的逗号“,”导致转换错误,而转换错误后就会返回到INPUT,而由于在struts.xml中没有设置返回值为input,也就是说没有<result name="input" >/output.jsp</result>,从而导致错误。注:这个input不是PointAction里返回的,估计应该是转换器里的。
另外在类型转换时还可能出现的问题有:
1、在PointAction-conversion.properties下point=com.test.converter.PointConverter中的point是要转换的具体的对象,而不是类。
2、struts2.0,struts2.1和struts2.2各有不同,可能需要struts2-convention-plugin-2.1.8.jar
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