首页>代码>S2SH(spring+struts2+hibernate) 开发java学生信息管理网站源码下载>/JavaWebProject/src/com/student2where/action/CollegeInfoAction.java
package com.student2where.action; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.util.ArrayList; import java.util.UUID; import org.apache.struts2.ServletActionContext; import org.springframework.context.annotation.Scope; import org.springframework.stereotype.Controller; import javax.annotation.Resource; import javax.servlet.http.HttpServletResponse; import java.util.List; import com.opensymphony.xwork2.ActionContext; import com.opensymphony.xwork2.ActionSupport; import com.student2where.utils.ExportExcelUtil; import com.student2where.dao.CollegeInfoDAO; import com.student2where.domain.CollegeInfo; import com.student2where.dao.ProvinceInfoDAO; import com.student2where.domain.ProvinceInfo; @Controller @Scope("prototype") public class CollegeInfoAction extends ActionSupport { /*界面层需要查询的属性: 所在省份*/ private ProvinceInfo provinceObj; public void setProvinceObj(ProvinceInfo provinceObj) { this.provinceObj = provinceObj; } public ProvinceInfo getProvinceObj() { return this.provinceObj; } /*当前第几页*/ private int currentPage; public void setCurrentPage(int currentPage) { this.currentPage = currentPage; } public int getCurrentPage() { return currentPage; } /*一共多少页*/ private int totalPage; public void setTotalPage(int totalPage) { this.totalPage = totalPage; } public int getTotalPage() { return totalPage; } private int collegeId; public void setCollegeId(int collegeId) { this.collegeId = collegeId; } public int getCollegeId() { return collegeId; } /*当前查询的总记录数目*/ private int recordNumber; public void setRecordNumber(int recordNumber) { this.recordNumber = recordNumber; } public int getRecordNumber() { return recordNumber; } /*业务层对象*/ @Resource CollegeInfoDAO collegeInfoDAO; @Resource ProvinceInfoDAO provinceInfoDAO; /*待操作的CollegeInfo对象*/ private CollegeInfo collegeInfo; public void setCollegeInfo(CollegeInfo collegeInfo) { this.collegeInfo = collegeInfo; } public CollegeInfo getCollegeInfo() { return this.collegeInfo; } /*跳转到添加CollegeInfo视图*/ public String AddView() { ActionContext ctx = ActionContext.getContext(); /*查询所有的ProvinceInfo信息*/ List<ProvinceInfo> provinceInfoList = provinceInfoDAO.QueryAllProvinceInfoInfo(); ctx.put("provinceInfoList", provinceInfoList); return "add_view"; } /*添加CollegeInfo信息*/ @SuppressWarnings("deprecation") public String AddCollegeInfo() { ActionContext ctx = ActionContext.getContext(); try { if(true) { ProvinceInfo provinceObj = provinceInfoDAO.GetProvinceInfoByProvinceId(collegeInfo.getProvinceObj().getProvinceId()); collegeInfo.setProvinceObj(provinceObj); } collegeInfoDAO.AddCollegeInfo(collegeInfo); ctx.put("message", java.net.URLEncoder.encode("CollegeInfo添加成功!")); return "add_success"; } catch (Exception e) { e.printStackTrace(); ctx.put("error", java.net.URLEncoder.encode("CollegeInfo添加失败!")); return "error"; } } /*查询CollegeInfo信息*/ public String QueryCollegeInfo() { if(currentPage == 0) currentPage = 1; List<CollegeInfo> collegeInfoList = collegeInfoDAO.QueryCollegeInfoInfo(provinceObj, currentPage); /*计算总的页数和总的记录数*/ collegeInfoDAO.CalculateTotalPageAndRecordNumber(provinceObj); /*获取到总的页码数目*/ totalPage = collegeInfoDAO.getTotalPage(); /*当前查询条件下总记录数*/ recordNumber = collegeInfoDAO.getRecordNumber(); ActionContext ctx = ActionContext.getContext(); ctx.put("collegeInfoList", collegeInfoList); ctx.put("totalPage", totalPage); ctx.put("recordNumber", recordNumber); ctx.put("currentPage", currentPage); ctx.put("provinceObj", provinceObj); List<ProvinceInfo> provinceInfoList = provinceInfoDAO.QueryAllProvinceInfoInfo(); ctx.put("provinceInfoList", provinceInfoList); return "query_view"; } /*后台导出到excel*/ public String QueryCollegeInfoOutputToExcel() { List<CollegeInfo> collegeInfoList = collegeInfoDAO.QueryCollegeInfoInfo(provinceObj); ExportExcelUtil ex = new ExportExcelUtil(); String title = "CollegeInfo信息记录"; String[] headers = { "院校编号","所在省份","院校名称"}; List<String[]> dataset = new ArrayList<String[]>(); for(int i=0;i<collegeInfoList.size();i++) { CollegeInfo collegeInfo = collegeInfoList.get(i); dataset.add(new String[]{collegeInfo.getCollegeId() + "",collegeInfo.getProvinceObj().getProvinceName(), collegeInfo.getCollegeName()}); } /* OutputStream out = null; try { out = new FileOutputStream("C://output.xls"); ex.exportExcel(title,headers, dataset, out); out.close(); } catch (Exception e) { e.printStackTrace(); } */ HttpServletResponse response = null;//创建一个HttpServletResponse对象 OutputStream out = null;//创建一个输出流对象 try { response = ServletActionContext.getResponse();//初始化HttpServletResponse对象 out = response.getOutputStream();// response.setHeader("Content-disposition","attachment; filename="+"CollegeInfo.xls");//filename是下载的xls的名,建议最好用英文 response.setContentType("application/msexcel;charset=UTF-8");//设置类型 response.setHeader("Pragma","No-cache");//设置头 response.setHeader("Cache-Control","no-cache");//设置头 response.setDateHeader("Expires", 0);//设置日期头 String rootPath = ServletActionContext.getServletContext().getRealPath("/"); ex.exportExcel(rootPath,title,headers, dataset, out); out.flush(); } catch (IOException e) { e.printStackTrace(); }finally{ try{ if(out!=null){ out.close(); } }catch(IOException e){ e.printStackTrace(); } } return null; } /*前台查询CollegeInfo信息*/ public String FrontQueryCollegeInfo() { if(currentPage == 0) currentPage = 1; List<CollegeInfo> collegeInfoList = collegeInfoDAO.QueryCollegeInfoInfo(provinceObj, currentPage); /*计算总的页数和总的记录数*/ collegeInfoDAO.CalculateTotalPageAndRecordNumber(provinceObj); /*获取到总的页码数目*/ totalPage = collegeInfoDAO.getTotalPage(); /*当前查询条件下总记录数*/ recordNumber = collegeInfoDAO.getRecordNumber(); ActionContext ctx = ActionContext.getContext(); ctx.put("collegeInfoList", collegeInfoList); ctx.put("totalPage", totalPage); ctx.put("recordNumber", recordNumber); ctx.put("currentPage", currentPage); ctx.put("provinceObj", provinceObj); List<ProvinceInfo> provinceInfoList = provinceInfoDAO.QueryAllProvinceInfoInfo(); ctx.put("provinceInfoList", provinceInfoList); return "front_query_view"; } /*查询要修改的CollegeInfo信息*/ public String ModifyCollegeInfoQuery() { ActionContext ctx = ActionContext.getContext(); /*根据主键collegeId获取CollegeInfo对象*/ CollegeInfo collegeInfo = collegeInfoDAO.GetCollegeInfoByCollegeId(collegeId); List<ProvinceInfo> provinceInfoList = provinceInfoDAO.QueryAllProvinceInfoInfo(); ctx.put("provinceInfoList", provinceInfoList); ctx.put("collegeInfo", collegeInfo); return "modify_view"; } /*查询要修改的CollegeInfo信息*/ public String FrontShowCollegeInfoQuery() { ActionContext ctx = ActionContext.getContext(); /*根据主键collegeId获取CollegeInfo对象*/ CollegeInfo collegeInfo = collegeInfoDAO.GetCollegeInfoByCollegeId(collegeId); List<ProvinceInfo> provinceInfoList = provinceInfoDAO.QueryAllProvinceInfoInfo(); ctx.put("provinceInfoList", provinceInfoList); ctx.put("collegeInfo", collegeInfo); return "front_show_view"; } /*更新修改CollegeInfo信息*/ public String ModifyCollegeInfo() { ActionContext ctx = ActionContext.getContext(); try { if(true) { ProvinceInfo provinceObj = provinceInfoDAO.GetProvinceInfoByProvinceId(collegeInfo.getProvinceObj().getProvinceId()); collegeInfo.setProvinceObj(provinceObj); } collegeInfoDAO.UpdateCollegeInfo(collegeInfo); ctx.put("message", java.net.URLEncoder.encode("CollegeInfo信息更新成功!")); return "modify_success"; } catch (Exception e) { e.printStackTrace(); ctx.put("error", java.net.URLEncoder.encode("CollegeInfo信息更新失败!")); return "error"; } } /*删除CollegeInfo信息*/ public String DeleteCollegeInfo() { ActionContext ctx = ActionContext.getContext(); try { collegeInfoDAO.DeleteCollegeInfo(collegeId); ctx.put("message", java.net.URLEncoder.encode("CollegeInfo删除成功!")); return "delete_success"; } catch (Exception e) { e.printStackTrace(); ctx.put("error", java.net.URLEncoder.encode("CollegeInfo删除失败!")); return "error"; } } }
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