MF00955-Java酒窖管理系统源码.zip

package com.deng.web.action.base; import java.io.IOException; import java.io.UnsupportedEncodingException; import java.lang.reflect.ParameterizedType; import java.lang.reflect.Type; import java.util.List; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpSession; import net.sf.json.JSONArray; import net.sf.json.JSONObject; import net.sf.json.JsonConfig; import org.apache.struts2.ServletActionContext; import org.hibernate.criterion.DetachedCriteria; import com.deng.domain.PageBean; import com.deng.utils.DateJsonValueProcessor; import com.opensymphony.xwork2.ActionSupport; import com.opensymphony.xwork2.ModelDriven; public class BaseAction<T> extends ActionSupport implements ModelDriven<T> { private static final long serialVersionUID = 6788265612879264198L; // 定义模型对象 protected T model; // 返回模型对象 public T getModel() { return model; } protected PageBean pageBean = new PageBean(); private int page; private int rows; public void setPage(int page) { this.page = page; } public void setRows(int rows) { this.rows = rows; } DetachedCriteria detachedCriteria = null; public BaseAction() { // 获得父类的类型(BaseAction) ParameterizedType genericSuperclass = (ParameterizedType) this .getClass().getGenericSuperclass(); // 获得BaseAction上声明的泛型数组 Type[] actualTypeArguments = genericSuperclass.getActualTypeArguments(); // 实体类型 Class<T> entityClass = (Class<T>) actualTypeArguments[0]; detachedCriteria = DetachedCriteria.forClass(entityClass); pageBean.setDetachedCriteria(detachedCriteria); // 通过反射创建model对象 try { model = entityClass.newInstance(); } catch (InstantiationException e) { e.printStackTrace(); } catch (IllegalAccessException e) { e.printStackTrace(); } } /** * 将PageBean对象转为json数据返回 * * @param pageBean * @param excludes */ public void writePageBean2Json(PageBean pageBean, String[] excludes) { JsonConfig jsonConfig = new JsonConfig(); jsonConfig.setExcludes(excludes); jsonConfig.setIgnoreDefaultExcludes(false); jsonConfig.registerJsonValueProcessor(java.sql.Date.class, new DateJsonValueProcessor("yyyy-MM-dd")); jsonConfig.registerJsonValueProcessor(java.sql.Timestamp.class, new DateJsonValueProcessor("yyyy-MM-dd HH:mm:ss")); //将Date格式的时间对象转为"2016-03-25"格式的字符串 jsonConfig.registerJsonValueProcessor(java.util.Date.class, new DateJsonValueProcessor("yyyy-MM-dd")); String json = JSONObject.fromObject(pageBean, jsonConfig).toString(); System.out.println(json); // 使用输出流输出json数据到客户端 ServletActionContext.getResponse().setContentType( "text/json;charset=UTF-8"); try { ServletActionContext.getResponse().getWriter().print(json); } catch (IOException e) { e.printStackTrace(); } } public void writePageBean2JsonToSession(PageBean pageBean, String[] excludes) { // 将PageBean对象转为json数据返回 JsonConfig jsonConfig = new JsonConfig(); jsonConfig.setExcludes(excludes); jsonConfig.setIgnoreDefaultExcludes(false); jsonConfig.registerJsonValueProcessor(java.sql.Date.class, new DateJsonValueProcessor("yyyy-MM-dd")); jsonConfig.registerJsonValueProcessor(java.sql.Timestamp.class, new DateJsonValueProcessor("yyyy-MM-dd hh:mm:ss")); //将Date格式的时间对象转为"2016-03-25"格式的字符串 jsonConfig.registerJsonValueProcessor(java.util.Date.class, new DateJsonValueProcessor("yyyy-MM-dd")); String json = JSONObject.fromObject(pageBean, jsonConfig).toString(); System.out.println(json); try { HttpServletRequest request = ServletActionContext.getRequest(); request.setCharacterEncoding("UTF-8"); HttpSession session = request.getSession(); session.setAttribute("jsonData", json); } catch (UnsupportedEncodingException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } } /** * 将任意对象转为json数据返回给前台 * * @param object * @param excludes */ public void writeObject2Json(Object object, String[] excludes) { JsonConfig jsonConfig = new JsonConfig(); jsonConfig.setExcludes(excludes); jsonConfig.setIgnoreDefaultExcludes(false); jsonConfig.registerJsonValueProcessor(java.sql.Date.class, new DateJsonValueProcessor("yyyy-MM-dd")); jsonConfig.registerJsonValueProcessor(java.sql.Timestamp.class, new DateJsonValueProcessor("yyyy-MM-dd hh:mm:ss")); //将Date格式的时间对象转为"2016-03-25"格式的字符串 jsonConfig.registerJsonValueProcessor(java.util.Date.class, new DateJsonValueProcessor("yyyy-MM-dd")); String json = JSONObject.fromObject(object, jsonConfig).toString(); System.out.println(json); // 使用输出流输出json数据到客户端 ServletActionContext.getResponse().setContentType( "text/json;charset=UTF-8"); try { ServletActionContext.getResponse().getWriter().print(json); } catch (IOException e) { e.printStackTrace(); } } public void writePageBean2Json(List list, String[] excludes) { JsonConfig jsonConfig = new JsonConfig(); jsonConfig.setExcludes(excludes); String json = JSONArray.fromObject(list, jsonConfig).toString(); System.out.println(json); // 使用输出流输出json数据到客户端 ServletActionContext.getResponse().setContentType( "text/json;charset=UTF-8"); try { ServletActionContext.getResponse().getWriter().print(json); } catch (IOException e) { e.printStackTrace(); } } }