📄 为struts 2_0做好准备 - max on java - blogjava.htm
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<P></P>
<LI>重新打包发布应用程序
<P>先停止tomcat,
再将tomcat里webapps下的Struts2_HelloWorld.war和Struts2_HelloWorld文件夹删除，参照“将应用程序打包到tomcat上”重新发布应用程序。
</P>
<LI>启动tomcat，运行测试
<P>打开Internet
Explorer，键入http://localhost:8080/Struts2_HelloWorld/SayHello.jsp，窗口输出如图25所示<BR><IMG
id=IMG26 alt="图25 SayHello.jsp"
src="为Struts 2_0做好准备 - Max On Java - BlogJava.files/o_image051.png"><BR>图25
SayHello.jsp<BR>在“Name”键入字符串（如World），点击Submit，转到HelloWorld.jsp页面，如图26所示 </P>
<P><IMG id=IMG27 alt="图26 HelloWorld.jsp"
src="为Struts 2_0做好准备 - Max On Java - BlogJava.files/o_image053.png"><BR>图26
HelloWorld.jsp<BR></P></LI></OL>
<LI>单元测试Hello World
<P>在文章开始的时候提及，单元测试困难是Struts一大缺点。现在让我们在体验一下，在Struts 2.0中是如何进行测试的。</P>
<OL>
<LI>新建JUnit单元测试
<P>右键点击Struts2_HelloWorld\Java Resources: src\tutorial，弹出如图27所示对话框<BR><IMG
id=IMG28 alt="图27 新建菜单"
src="为Struts 2_0做好准备 - Max On Java - BlogJava.files/o_image055.png"><BR>图27
新建菜单<BR>点击“Next\Other” </P>
<P><IMG id=IMG29 alt="图28 新建对话框"
src="为Struts 2_0做好准备 - Max On Java - BlogJava.files/o_image057.png"><BR>图28
新建对话框<BR>选择“Java\JUnit\JUnit Test Case”，点击“Next” </P>
<P><IMG id=IMG30 alt="图29 新建JUnit 测试用例对话框"
src="为Struts 2_0做好准备 - Max On Java - BlogJava.files/o_image059.png"><BR>图29
新建JUnit 测试用例对话框<BR>选择“New JUnit 4 test”，在“Name”中键入HelloWorldTest，在“Class
under test”键入tutorial.HelloWorld，点击“Next” </P>
<P><IMG id=IMG31 alt="图30 选择方法对话框"
src="为Struts 2_0做好准备 - Max On Java - BlogJava.files/o_image061.png"><BR>图30
选择方法对话框<BR>选中HelloWorld\execute方法，点击Finish。如果生成的HelloWorldTest.java文件的图标（Icon）出现红色交叉标志，请进行以下步骤添加JUnit
4的jar包。 </P>
<P>右键点击Struts2_HelloWorld，出现如图所示菜单。 <IMG id=IMG32 alt="图31 新建菜单"
src="为Struts 2_0做好准备 - Max On Java - BlogJava.files/o_image063.png"><BR>图31
新建菜单<BR>点击“Build Path\Add Libararis”，弹出图32对话框 </P>
<P><IMG id=IMG33 alt="图32 添加库对话框"
src="为Struts 2_0做好准备 - Max On Java - BlogJava.files/o_image065.png"><BR>图32
添加库对话框<BR>选中“JUnit”，点击“Next” </P>
<P><IMG id=IMG34 alt="图33 选择版本对话框"
src="为Struts 2_0做好准备 - Max On Java - BlogJava.files/o_image067.png"><BR>图33
选择版本对话框<BR>选择“JUnit 4”，点击“Finish”关闭对话框，并将HelloWorldTest.java的内容修改为：<BR></P>
<DIV
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align=top><SPAN style="COLOR: #0000ff">package</SPAN><SPAN
style="COLOR: #000000"> tutorial;<BR><IMG
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align=top></SPAN><SPAN style="COLOR: #0000ff">import</SPAN><SPAN
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style="COLOR: #000000"> com.opensymphony.xwork2.ActionSupport;<BR><IMG
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id=Codehighlighter1_162_507_Open_Text><SPAN style="COLOR: #000000">{<BR><IMG
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align=top> @Test<BR><IMG
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style="COLOR: #0000ff">public</SPAN><SPAN
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id=Codehighlighter1_199_504_Open_Text><SPAN style="COLOR: #000000">{<BR><IMG
src="为Struts 2_0做好准备 - Max On Java - BlogJava.files/InBlock.gif"
align=top> HelloWorld hello </SPAN><SPAN
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style="COLOR: #000000"> </SPAN><SPAN
style="COLOR: #0000ff">new</SPAN><SPAN
style="COLOR: #000000"> HelloWorld();<BR><IMG
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align=top> hello.setName(</SPAN><SPAN
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align=top> String result </SPAN><SPAN
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align=top> assertTrue(</SPAN><SPAN
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style="COLOR: #000000">"</SPAN><SPAN
style="COLOR: #000000">, ActionSupport.SUCCESS.equals(result));<BR><IMG
src="为Struts 2_0做好准备 - Max On Java - BlogJava.files/InBlock.gif"
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