<html>
<head>
<title>作业</title>
<script language="javascript" type="text/javascript">
/*页面加载完成*/
window.onload = function(){
var etable = "<table border = '1' id='myTable'>"+
"<tr align = 'center'> <th>姓名</th> <th>性别</th> <th>年龄</th> <th>爱好</th> <th>操作</th></tr>"+
"<tr> <td onclick='updStu(this)' name='付政委'>付政委</td>"+
" <td onclick='updStu(this)' name='男'>男</td>"+
" <td onclick='updStu(this)' name='24'>24</td>"+
" <td onclick='updStu(this)' name='编程、看电影'>编程、看电影</td> "+
"<td><span onclick='delStu(this)' style='cursor:pointer; color=red'>删除</span>"+
"</td></tr>"+
"</table><hr/>"+
"增加新用户<br/>"+
"姓名：<input type='text' id='stuName'/><br/>"+
"性别：<lable><input type='radio' id='stuSex' name='stuSex' value='男' checked = 'checked'/>男</lable>"+
" <lable><input type='radio' id='stuSex' name='stuSex' value='女'/>女</lable><br/>"+
"年龄：<select id='stuAge'>"+
" </select><br/>"+
"爱好：<label><input type='checkbox' value='野游' name='stuhobby' id='stuhobby'>野游</label> "+
" <label><input type='checkbox' value='逛街' name='stuhobb' id='stuhobby'>逛街</label>"+
" <label><input type='checkbox' value='交友' name='stuhobby' id='stuhobby'>交友</label>"+
" <label><input type='checkbox' value='其他' name='stuhobby' id='stuhobby'>其他</label><hr/>"+
"<input type='button' value='新增用户' id='addStu'/>"
;
document.body.innerHTML = etable;
/*向年龄中插入元素*/
for(var i = 10; i<=100; i++){
var eOption = document.createElement("option");
eOption.value = i;
eOption.text = i+"岁";
$("stuAge").add(eOption);
}
/*提取用户信息，并增加到列表*/
$("addStu").onclick = function(){
/*提取用户名*/
var stu_name = $("stuName").value;
/*提取性别*/
var stu_sexs = document.getElementsByName("stuSex"),stu_sex = "";
for(var sid = 0,slen= stu_sexs.length; sid < slen; sid ++){
if(stu_sexs[sid].checked){
stu_sex = stu_sexs[sid].value;
}
}
/*获得年龄*/
var stu_age = $("stuAge");
stu_age = stu_age.options[stu_age.selectedIndex].value;
/*获得爱好*/
var stu_hobbys = document.getElementsByName("stuhobby"),stu_hobby="";
for(var shid = 0,shlen = stu_hobbys.length; shid < shlen; shid ++){
if(stu_hobbys[shid].checked){
stu_hobby += stu_hobbys[shid].value +"、";
}
}
/*把信息写入表格*/
var trow = $("myTable").insertRow($("myTable").rows.length);
//根据当前插入到的长度，改变表格背景色
if(($("myTable").rows.length)%2==1){
trow.style.backgroundColor="pink";
}
var tcell_0 = trow.insertCell(0);
var tcell_1 = trow.insertCell(1);
var tcell_2 = trow.insertCell(2);
var tcell_3 = trow.insertCell(3);
var tcell_4 = trow.insertCell(4);
tcell_0.innerHTML = stu_name;
tcell_1.innerHTML = stu_sex;
tcell_2.innerHTML = stu_age;
tcell_3.innerHTML = stu_hobby;
tcell_4.innerHTML = "<span onclick='delStu(this)' style='cursor:pointer; color=red'>删除</span>";
/*添加事件*/
tcell_0.name = stu_name;
tcell_0.onclick = updateUser;
tcell_1.name = stu_sex;
tcell_1.onclick = updateUser;
tcell_2.name = stu_age;
tcell_2.onclick = updateUser;
tcell_3.name = stu_hobby;
tcell_3.onclick = updateUser;
/*定义事件*/
function updateUser(){
var userName = "";
userName = this.name;
this.innerHTML = "<input type='text' id='updF'/>";
$("updF").focus();
$("updF").value = userName;
$("updF").onmousedown = function(){
if($("updF").value.length > 0){
this.parentNode.innerHTML = $("updF").value;
}else{
this.parentNode.innerHTML = userName;
}
}
}
}
}
/*修改表格信息*/
function updStu(obj){
var userName = "";
userName = obj.name;
obj.innerHTML = "<input type='text' id='updF'/>";
$("updF").focus();
$("updF").value = userName;
$("updF").onmousedown = function(){
if($("updF").value.length > 0){
obj.innerHTML = $("updF").value;
}else{
obj.innerHTML = userName;
}
}
}
/*删除控制*/
function delStu(obj){
/*删除提示框*/
var pddel = window.confirm("确定删除？");
if(pddel){
var tr=obj.parentNode.parentNode;
var tbody = tr.parentNode;
tbody.removeChild(tr);
}
}
/*刀了符号，用于调用获得dom*/
function $(eid){
return document.getElementById(eid);
}
</script>
</head>
<body>
</body>
</html>
