Struts2+Dojo +iBatis树的整合

package org.xuancheng.util; import java.io.PrintWriter; import javax.servlet.http.HttpServletResponse; import org.apache.struts2.dispatcher.StrutsResultSupport; import com.opensymphony.xwork2.ActionInvocation; import com.opensymphony.xwork2.util.ValueStack; /** * 可以是XML，或者json文本<br/> * 编码：wallimn　时间：2010-6-29　下午05:11:25<br/> * 版本：V1.0<br/> */ public class AjaxResult extends StrutsResultSupport { /** * 说明：<br/> * 时间：2010　下午05:11:48 */ private static final long serialVersionUID = -1253157812823444791L; public AjaxResult(){ super(); } public AjaxResult(String location){ super(location); } private String contentType="text/xml;charset=UTF-8"; private String xmlHead=null; private String charset="UTF-8"; private String nocache="true"; /** * 标识内容的key */ public final String KEY_CONTENT="ajax.resultstring.by.wallimn"; /** * 控制是否添加xml文件的头 */ public final String KEY_ADDXMLHEAD="ajax.addxmlhead.by.wallimn"; /* (non-Javadoc) * @see org.apache.struts2.dispatcher.StrutsResultSupport#doExecute(java.lang.String, com.opensymphony.xwork2.ActionInvocation) */ @Override protected void doExecute(String finalLocation, ActionInvocation invocation) throws Exception { HttpServletResponse response = (HttpServletResponse) invocation.getInvocationContext().get(HTTP_RESPONSE); PrintWriter pw = response.getWriter(); resolveParamsFromStack(invocation.getStack()); response.setContentType(contentType); response.setCharacterEncoding(charset); if(!"false".equals(nocache)){ response.setHeader("pragma", "no-cache"); response.setHeader("cache-control", "no-cache"); response.setHeader("expires", "0"); } if(xmlHead!=null && !"".equals(xmlHead)){ Boolean bAddHead = (Boolean) invocation.getInvocationContext().get(KEY_ADDXMLHEAD); if(bAddHead!=Boolean.FALSE){ pw.println(xmlHead); } } String resultString = (String) invocation.getInvocationContext().get(KEY_CONTENT); pw.println(resultString); response.getWriter().flush(); } protected void resolveParamsFromStack(ValueStack stack){ String contentType = stack.findString("contentType"); if(contentType!=null){ this.setContentType(contentType); } String charset = stack.findString("charset"); if(charset!=null){ this.setCharset(charset); } String xmlHead = stack.findString("xmlHead"); if(xmlHead!=null){ this.setXmlHead(xmlHead); } String nocache = stack.findString("nocache"); if(xmlHead!=null){ this.setNocache(nocache); } } public void setContentType(String contentType) { this.contentType = contentType; } public String getContentType() { return contentType; } public void setCharset(String charset) { this.charset = charset; } public String getCharset() { return charset; } public void setXmlHead(String xmlHead) { this.xmlHead = xmlHead; } public String getXmlHead() { return xmlHead; } public void setNocache(String nocache) { this.nocache = nocache; } public String getNocache() { return nocache; } }