ajax

jsp页面

<script type="text/javascript">
   
      window.onload = function getusers() {
        //通过ajax请求获取数据
        $.ajax({
            url: "FindAllServlet?id="+new Date(),
            type: "post",
            success: function(msg) {
                //将结果转换为JSON对象
                msg =decodeURIComponent(msg);
                
                eval("var js=" + msg);
                var txt = "<table>";
                txt += "<tr><td>用户编号</td><td>用户名</td><td>单位</td><td>类型</td><td>操作</td></tr>";
                //解析JSON对象获取数据
                for (var i in js) {
                    txt += "<tr><td>" + js[i].id + "</td><td>" + js[i].username + "</td><td>" + js[i].school + "</td><td>" + js[i].isAdmin + "</td><td>" +"<a href='javascript:del(" + js[i].id + ")'>删除</a></td></tr>";
                }
                txt += "</table>";
                $("#divDel").html(txt);
            }
        });
    }
 
;
 servlet

public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");

try {
List<Tzb_user> userList = AdminBiz.findAll() ;
Gson gson = new Gson();

response.getWriter().print(URLEncoder.encode(gson.toJson(userList),"utf-8"));
response.getWriter().close();