调用Action后，Action不返回任何页面，只返回一串字符串
方法一：
Action.java中的代码如下。struts.xml中配置不变
public String execute() throws Exception {
//注意：加上这句就必须设置响应的编码格式，否则会出现乱码
HttpServletResponse response = ServletActionContext.getResponse();
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
String dbusername = "Charles";
if (username.equals(dbusername)) {
out.println("seccess");//返回的字符串数据
return null;
}
return null;
}
方法二：
javaAction代码：
public class TextStringAction extends ActionSupport{
// input属性
private String username;
private String password;
// output属性
private InputStream inputStream; //这个名字和struts.xml中对应，不能写错
public InputStream getInputStream() {
return inputStream;
}
public void setInputStream(InputStream inputStream) {
this.inputStream = inputStream;
}
public String execute() throws Exception {
String dbusername = "Charles";
if (username.equals(dbusername)) {
inputStream = new ByteArrayInputStream("我\\是\\好人"
.getBytes("UTF-8"));
return "success";
}
return null;
}
// ------------省略getter/setter---------
}
Struts.xml
<action name="testString" class="com.xxx.xxx.xxxx" method="xxx">
<result type="stream">
<param name="contentType">text/html</param>
<param name="inputName">inputStream</param>
</result>
</action>
效果
Paste_Image.png
