?? updateteacheraction.java
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//Created by MyEclipse Struts// XSL source (default): platform:/plugin/com.genuitec.eclipse.cross.easystruts.eclipse_4.0.1/xslt/JavaClass.xslpackage com.huang.actions;import java.util.ArrayList;import java.util.HashMap;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.apache.struts.action.Action;import org.apache.struts.action.ActionForm;import org.apache.struts.action.ActionForward;import org.apache.struts.action.ActionMapping;import com.huang.common.DB.DBtool;import com.huang.forms.UpdateTeacherForm;public class UpdateTeacherAction extends Action { public ActionForward execute( ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { UpdateTeacherForm updateTeacherForm = (UpdateTeacherForm) form; // TODO Auto-generated method stub String index = (String)request.getParameter("index"); if(index.equals("first")) { String teacher_id = (String)request.getParameter("id"); ArrayList list = DBtool.getDataList("tb_teacher",new String[]{"teacher_name","teacher_sex","teacher_label"}); String teacher_name = ((HashMap)list.get(0)).get("teacher_name").toString(); String teacher_sex = ((HashMap)list.get(0)).get("teacher_sex").toString(); String teacher_label = ((HashMap)list.get(0)).get("teacher_label").toString(); request.setAttribute("teacher_id",teacher_id); request.setAttribute("teacher_name",teacher_name); request.setAttribute("teacher_sex",teacher_sex); request.setAttribute("teacher_label",teacher_label); return mapping.findForward("fail"); } if(index.equals("update")) { String teacher_id = (String)request.getParameter("id"); String teacher_name = updateTeacherForm.getTeacher_name(); String teacher_sex = updateTeacherForm.getTeacher_sex(); String teacher_label = updateTeacherForm.getTeacher_label(); String sql = "update tb_teacher set teacher_name='"+teacher_name+"',teacher_sex='"+teacher_sex+"',teacher_label='"+teacher_label+"' where teacher_id='"+teacher_id+"' "; DBtool.updateData(sql); return mapping.findForward("success"); } return null; }}
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