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1、Struts2本身并没提供上传的组件，我们可以通过调用上传框架来实现文件的上传。一、配置上传解析器首先要配置项目的框架，也就是倒导入"struts2-core-2.2.1.jar"库文件，找到org.apache.struts2包下的default.porperties资源文件。如下图；资源文件中给出了不同的strus2的默认配置，我们可看到struts2默认是jakarta作为其文件上传的解析器。 jakarta是Commo-FileUpload的框架。如果要使用Commo-FileUpload
2、框架来上传文件，只需将"commons-fileupload-1.2.1.jar"和"commons-io-1.3.2.jar"两个jar复制到项目中的WEB-INF/lib目录下就可。如果想要使用COS框架来上传文件，只需将“cos.jar”复制到项目中就可以，然后在修改struts.multipart.parser常量值。修改常量值有两种方法，一是在"struts.xml"中修改，代码如下：<
3、/constant>二是在struts.properties中修改,代码如下： sruts.multipart.parser=cos 二、实现文件上传的Action 创建表单:upload.jsp <%@pagelanguage="java"import="java.util.*"pageEncoding="UTF-8"%>Jsp代码 1.<% 2.String path = request.getContextPath(); 1.String basePath = request.ge
4、tScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; 2.%> 3. 4. 5. 6.
7.
"> 8. 9. Struts2文件上传</titl</p><p>5、e> 10. 11. <meta http-equiv="pragma" content="no-cache"> 12. <meta http-equiv="cache-control" content="no-cache"> 13. <meta http-equiv="expires" content="0"> 14. <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"</p><p>6、> 15. <meta http-equiv="description" content="This is my page"> 16. <!-- 17. <link rel="stylesheet" type="text/css" href="styles.css"> 18. --> 19. 20. </head> 21. 22. <body> 23. <center> 24. <h1>Struts 2完成上传</h1> 25. </p><p>7、 <form action="upload.action" method="post" enctype="multipart/form-data"> 26. <table> 27. <tr> 28. <td>用户名:</td> 29. <td><input type="text" name="username" ></td> 30. </tr> 31. </p><p>8、 <tr> 32. <td>上传文件:</td> 33. <td><input type="file" name="myFile"></td> 34. </tr> 35. <tr> 1. <td><input type="submit" value="上传"></td> 2. <td><input t</p> </div>
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