系统原型结构描述（八）

最新推荐文章于 2025-06-24 23:05:58 发布

原创最新推荐文章于 2025-06-24 23:05:58 发布 · 656 阅读

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本文介绍了一个基于Struts2框架的应用案例，其中包括了与规则引擎Drools的集成方法。通过具体代码展示了如何在Struts2中使用Drools进行业务规则处理，并涉及文件上传和权限验证等功能。

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IndexDroolsAction.java

package com.test.action.view.drools;

import com.opensymphony.xwork2.ActionSupport;

public class IndexDroolsAction extends ActionSupport {

public String execute() {

return SUCCESS;
}
}

IndexDroolsProcessAction.java

package com.test.action.view.drools;

import org.apache.log4j.Logger;

import com.opensymphony.xwork2.ActionSupport;
import com.test.drools.Drools;

public class IndexDroolsProcessAction extends ActionSupport {
final static Logger logger = Logger.getLogger(IndexDroolsProcessAction.class);
private Drools drools = null;
public int status = 0;

public int getStatus() {
  return status;
}
public void setStatus(int status) {
  this.status = status;
}
public Drools getDrools() {
  return drools;
}
public void setDrools(Drools drools) {
  this.drools = drools;
}

public String execute() {

  logger.debug("status : " + status);
  try {
   this.drools.run(status);
  } catch (Exception e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
  return SUCCESS;
}
}

FiatViewProcessAction.java

package com.test.action.view.fiat;

import java.security.Principal;

import javax.servlet.http.HttpServletRequest;

import org.apache.log4j.Logger;
import org.apache.struts2.ServletActionContext;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
import com.test.logic.service.BookService;

public class FiatViewProcessAction extends ActionSupport {
static Logger logger = Logger.getLogger(FiatViewProcessAction.class);
private BookService bookService = null;
public BookService getBookService() {
  return bookService;
}
public void setBookService(BookService bookService) {
  this.bookService = bookService;
}
public String execute() {
  String result = ERROR;

  logger.debug("FiatViewProcessAction executing ...");

  ActionContext ac = ActionContext.getContext();
  HttpServletRequest request =
   (HttpServletRequest)ac.get(ServletActionContext.HTTP_REQUEST);

  logger.debug("AuthType : " + request.getAuthType());
  Principal p = request.getUserPrincipal();

  if(p != null) {
   logger.debug("Principal : " + p.getName());
   if(p.getName().indexOf("admin") > 0) {
    result = SUCCESS;
   }
  } else {
   result = ERROR;
  }

  return result;
}
}

IndexFreeAction.java

package com.test.action.view.free;

import com.opensymphony.xwork2.ActionSupport;

public class IndexFreeAction extends ActionSupport {

public String execute() {

return SUCCESS;
}
}

IndexFreeProcessAction.java

package com.test.action.view.free;

import com.opensymphony.xwork2.ActionSupport;

public class IndexFreeProcessAction extends ActionSupport {

public String execute() {

return SUCCESS;
}
}

UploadViewAction.java

package com.test.action.view.upload;

import com.opensymphony.xwork2.ActionSupport;

public class UploadViewAction extends ActionSupport {

public String execute() {

return SUCCESS;
}
}

UploadViewProcessAction.java

package com.test.action.view.upload;

import java.io.File;

import com.opensymphony.xwork2.ActionSupport;

public class UploadViewProcessAction extends ActionSupport {
    private String contentType;
    private File upload;
    private String fileName;
    private String caption;

public String getContentType() {
return contentType;
}

public void setContentType(String contentType) {
this.contentType = contentType;
}

public File getUpload() {
return upload;
}

public void setUpload(File upload) {
this.upload = upload;
}

public String getFileName() {
return fileName;
}

public void setFileName(String fileName) {
this.fileName = fileName;
}

public String getCaption() {
return caption;
}

public void setCaption(String caption) {
  this.caption = caption;
}

public String execute() {

  return SUCCESS;
}
}