javascript:
function delAllPick()
{
//获取所有名字为ck的编号组件
var ck = document.getElementsByName("ck");
//ids字符串
var s = "";
//循环ck数组
for(var i = 0 ; i < ck.length ; i ++)
{
//如果被选择的选中
if(ck[i].checked)
{
//编号字符串累加
s+=ck[i].value+";";
}
}
//确认选项
var ok = window.confirm("确定要删除["+s+"] 记录吗?");
//如果确认选择
if(ok)
{
//把ids传入后台调用servlet
document.location = "DelMoreStudentController?ids="+s;
}
}
servlet 代码:
//编码设置
request.setCharacterEncoding("utf-8");
response.setCharacterEncoding("utf-8");
response.setContentType("text/html");
PrintWriter out = response.getWriter();
//获取前台的ids
String [] ids = request.getParameter("ids").split(";");
//StudentDao
StudentDao dao = new StudentDao();
//dao执行删除
if(dao.delStudent(ids))
{
request.setAttribute("error", "删除成功" );
}
else
{
request.setAttribute("error", "删除失败" );
}
//获取值 返回全台显示
List<Student> ls = dao.getPageStudents("", 1, 3);
//传到前台参数所有信息
request.setAttribute("ls", ls);
//当前页数第一
request.setAttribute("currentpage",1);
//返回所有的页数
request.setAttribute("allpage", dao.getStudentPages(3));
//跳转到页面 传入值到前端
request.getRequestDispatcher("../success.jsp").forward(request, response);//跳转
Dao层代码:
public boolean delStudent(String [] ids)
{
try {
Statement st = conn.createStatement();
//循环数组的每一个值
for(int i = 0 ; i < ids.length ; i++)
{
//删除语句
String sql = "delete from testssm.student where sid="+ids[i];
//执行语句
st.execute(sql);
}
return true;
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return false;
}