spring+struts2+mybatis框架实现单表增删改查、条件查询和分页、文件上传

package cn.bdqn.ss2m.action; import java.io.File; import java.util.HashMap; import java.util.Map; import javax.servlet.http.HttpSession; import org.apache.commons.io.FileUtils; import org.apache.struts2.ServletActionContext; import com.opensymphony.xwork2.ActionSupport; import cn.bdqn.ss2m.constant.Const; import cn.bdqn.ss2m.entity.Standard; import cn.bdqn.ss2m.service.StandardService; import cn.bdqn.ss2m.utility.PageBean; import net.sf.json.JSONObject; public class StandardAction extends ActionSupport { private static final long serialVersionUID = 1L; private StandardService standardService; private String queryCondition; private String pageIndex="1"; private PageBean<Standard> standards; private Standard standard; //标准号 private String stdNum; private String result; //文件上传 private File pic; private String picContentType; private String picFileName; //修改标准号Id private String stdId; //准备删除标准号Id private String stdIds; public void setStandardService(StandardService standardService) { this.standardService = standardService; } public String getQueryCondition() { return queryCondition; } public void setQueryCondition(String queryCondition) { this.queryCondition = queryCondition; } public String getPageIndex() { return pageIndex; } public void setPageIndex(String pageIndex) { this.pageIndex = pageIndex; } public PageBean<Standard> getStandards() { return standards; } public void setStandards(PageBean<Standard> standards) { this.standards = standards; } public Standard getStandard() { return standard; } public void setStandard(Standard standard) { this.standard = standard; } public String getStdNum() { return stdNum; } public void setStdNum(String stdNum) { this.stdNum = stdNum; } public String getResult() { return result; } public void setResult(String result) { this.result = result; } public File getPic() { return pic; } public void setPic(File pic) { this.pic = pic; } public String getPicContentType() { return picContentType; } public void setPicContentType(String picContentType) { this.picContentType = picContentType; } public String getPicFileName() { return picFileName; } public void setPicFileName(String picFileName) { this.picFileName = picFileName; } public String getStdId() { return stdId; } public void setStdId(String stdId) { this.stdId = stdId; } public String getStdIds() { return stdIds; } public void setStdIds(String stdIds) { this.stdIds = stdIds; } public String listStandard() throws Exception { standards=standardService.getStandardList(queryCondition, Integer.parseInt(pageIndex)); return SUCCESS; } public String saveStandard() { //文件上传 try { String rootPath=ServletActionContext.getServletContext().getRealPath(File.separator); String fileEx=picFileName.substring(picFileName.lastIndexOf("."),picFileName.length()); String fileName=System.currentTimeMillis()+fileEx; File destFile=new File(rootPath+File.separatorChar+Const.UPLOAD_PATH+File.separatorChar+fileName); FileUtils.copyFile(pic, destFile); standard.setPackagePath(fileName); HttpSession session=ServletActionContext.getRequest().getSession(); if(standardService.saveStandard(standard)) { session.setAttribute("hint", "增加成功"); }else { session.setAttribute("hint", "增加失败"); } } catch (Exception e) { e.printStackTrace(); } return SUCCESS; } public String updateStandard() { try { if(null!=pic && pic.length()>0) { String rootPath=ServletActionContext.getServletContext().getRealPath(File.separator); String fileEx=picFileName.substring(picFileName.lastIndexOf("."),picFileName.length()); String fileName=System.currentTimeMillis()+fileEx; File destFile=new File(rootPath+File.separatorChar+Const.UPLOAD_PATH+File.separatorChar+fileName); FileUtils.copyFile(pic, destFile); standard.setPackagePath(fileName); } HttpSession session=ServletActionContext.getRequest().getSession(); if(standardService.updateStandard(standard)) { session.setAttribute("hint", "修改成功"); }else { session.setAttribute("hint", "修改失败"); } return SUCCESS; } catch (Exception e) { e.printStackTrace(); } return SUCCESS; } public String deleteStandard() { HttpSession session=ServletActionContext.getRequest().getSession(); String[] delId=stdIds.split(","); for (int i = 0; i < delId.length; i++) { if(standardService.deleteStandard(Integer.parseInt(delId[i]))) { session.setAttribute("hint", "删除成功"); }else { session.setAttribute("hint", "删除失败"); } } return SUCCESS; } public String validateStandard() { boolean haveStandard=standardService.haveStandardStdNum(stdNum); Map<String, Object> map=new HashMap<String, Object>(); map.put("result", haveStandard); JSONObject json=JSONObject.fromObject(map); result=json.toString(); return SUCCESS; } public String viewStandard() { Integer id=Integer.parseInt(stdId); standard=standardService.getStandardById(id); return SUCCESS; } }