<script type="text/javascript"> var xmlreq = false; function createXmlHttpRequest() { if (window.XMLHttpRequest) { xmlreq = new XMLHttpRequest(); } else if (window.ActiveXObject) { try { xmlreq = new ActiveXObject("Msxml2.XMLHTTP"); } catch (e1) { try { xmlreq = new ActiveXObject("Microsoft.XMLHTTP"); } catch (e2) { } } } return xmlreq; } function del(id){ var request = createXmlHttpRequest(); request.open("post","<%=path%>/StuServlet?methodName=delete&id="+id); request.send(); request.onreadystatechange=function(){ if (xmlreq.readyState == 4) { if (xmlreq.status == 200) { var check = xmlreq.responseText; show (check);
<TD><a href="javascript:void(0)" onclick="del(<%=id%>)">刪除</a></TD>
public int delete(int i){
Connection conn = new ConnectionUtil().openConnection();
try{
PreparedStatement ps = conn.prepareStatement(DELETE_STUDENT_SQL);
ps.setInt(1,i);
ps.executeUpdate();
return 1;
}catch(SQLException e){
e.printStackTrace();
}finally{
try{
conn.close();
}catch(SQLException e){
e.printStackTrace();
}
}
return 0;
}
private void delete(HttpServletRequest request, HttpServletResponse response)
throws IOException {
// TODO Auto-generated method stub
int id =Integer.parseInt(request.getParameter("id"));
StudentDao dao =new StudentDaoImpl();
PrintWriter out = response.getWriter();
if(dao.delete(id)==1){
out.write("OK");
}
else{
out.write("NO");
}
//query(request, response);
out.close();
}
自己硬着头皮做的一个ajax的删除异步刷新
jsp servlet ajax入门删除,布布扣,bubuko.com
原文：http://www.cnblogs.com/yanz/p/3866102.html