JAVA全系列 教程
3762个小节阅读:7092.3k
目录
C语言快速入门
JAVA全系列 教程
面向对象的程序设计语言
Python全系列 教程
Python3.x版本,未来主流的版本
人工智能 教程
顺势而为,AI创新未来
大厂算法 教程
算法,程序员自我提升必经之路
C++ 教程
一门通用计算机编程语言
微服务 教程
目前业界流行的框架组合
web前端全系列 教程
通向WEB技术世界的钥匙
大数据全系列 教程
站在云端操控万千数据
AIGC全能工具班
A A
White Night
页面相关
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$(function () {
//初始化用户数据
getData();
});
// 获取页面初始化数据
function getData(){
$.getJSON("user.do",{flag:"getData"},function (result) {
listUser(result);
});
}
// 遍历数据生成数据
function listUser(obj){
var str ="";
$.each(obj,function(){
str+= "<tr align='center'>" +
"<td id='"+this.id+"'>"+this.id +"</td>"+
"<td>"+this.username+"</td>" +
"<td>"+this.password+"</td>" +
"<td>"+this.salary+"</td>" +
"<td>"+this.birthday+"</td>" +
"<td><a href='#' onclick='preUpdateUser("+this.id+")'>更新</a> <a href='#' onclick='deleteUser("+this.id+")'>删除 </a></td></tr>"
});
$("#tBody").prepend(str);
}
servlet相关
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@Override
public void init() throws ServletException {
ArrayList<User> list = new ArrayList<>();
User user1 = new User(1,"zhangsan","123",2000d,"1997-09-01");
User user2 = new User(2,"lisi","123",3000d,"1998-08-23");
User user3 = new User(3,"zhaoliu","123",2500d,"1996-05-16");
User user4 = new User(4,"wangwu","123",2080d,"1995-10-12");
User user5 = new User(5,"zhengsan","123",3200d,"1999-12-20");
User user6 = new User(6,"liugang","123",4200d,"1994-04-10");
list.add(user1);
list.add(user2);
list.add(user3);
list.add(user4);
list.add(user5);
list.add(user6);
ServletContext servletContext = this.getServletContext();
servletContext.setAttribute("list",list);
}
// 获取页面初始化数据
private void getData(HttpServletRequest req, HttpServletResponse resp) throws IOException {
List<User> list = (List<User>)
this.getServletContext().getAttribute("list");
String s = JSON.toJSONString(list);
resp.setContentType("application/json");
PrintWriter pw = resp.getWriter();
pw.print(s);
pw.flush();
pw.close();
}
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
String flag = req.getParameter("flag");
if("getData".equals(flag)){
this.getData(req,resp);
}
}