package com.action; import java.io.PrintWriter; import java.util.List; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.apache.struts2.ServletActionContext; import com.opensymphony.xwork2.ActionSupport; import com.bean.*; import com.dao.*; public class AdminLogList extends ActionSupport { //下面是Action内用于封装用户请求参数的属性 private List<LogBean> list; public List<LogBean> getList() { return list; } public void setList(List<LogBean> list) { this.list = list; } private String Building_ID; private String Domitory_ID; private String Student_Username; public String getBuilding_ID() { return Building_ID; } public void setBuilding_ID(String buildingID) { Building_ID = buildingID; } public String getDomitory_ID() { return Domitory_ID; } public void setDomitory_ID(String domitoryID) { Domitory_ID = domitoryID; } public String getStudent_Username() { return Student_Username; } public void setStudent_Username(String studentUsername) { Student_Username = studentUsername; } //处理用户请求的execute方法 public String execute() throws Exception { //解决乱码,用于页面输出 HttpServletResponse response=null; response=ServletActionContext.getResponse(); response.setContentType("text/html;charset=UTF-8"); response.setCharacterEncoding("UTF-8"); PrintWriter out = response.getWriter(); //创建session对象 HttpSession session = ServletActionContext.getRequest().getSession(); //验证是否正常登录 if(session.getAttribute("id")==null){ out.print("<script language='javascript'>alert('请重新登录!');window.location='Login.jsp';</script>"); out.flush();out.close();return null; } //查询条件 String strWhere="Student_State='入住'"; if(!(isInvalid(Building_ID))) { strWhere+=" and Building_ID='"+Building_ID+"'"; } if(!(isInvalid(Domitory_ID))) { strWhere+=" and Domitory_ID='"+Domitory_ID+"'"; } if(!(isInvalid(Student_Username))) { strWhere+=" and Student_Username='"+Student_Username+"'"; } //查询所有 list=new LogDao().GetList(strWhere,"Log_Date desc"); return SUCCESS; } //判断是否空值 private boolean isInvalid(String value) { return (value == null || value.length() == 0); } //测试 public static void main(String[] args) { System.out.println(); } }
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