Default selection a
// ==UserScript==
// @name 山东科技大学课程评价自动选择——Course evaluation selector of SDUST
// @namespace https://windylh.com
// @version 0.3.1
// @description Default selection a
// @author Windylh
// @match http://jwgl.sdust.edu.cn/jsxsd/xspj/xspj_edit.do*
// @grant none
// ==/UserScript==
/*定位要点击的页面元素*/
function getTargetByTAV(t_tag,t_attr,t_value){
var target2 = document.getElementsByTagName(t_tag);
for(var i=0;i <target2.length;i++){
if(target2[i].getAttribute(t_attr) == t_value){
return target2[i];
}
}
}
/*获取所有选项*/
function getOption()
{
var trs = document.getElementsByTagName("tr")
var targets = new Array()
for(var i = 0; i < trs.length;i++)
{
var tds = trs[i].getElementsByTagName("td")
// console.log(len)
if(tds.length == 2 && tds[1].getElementsByTagName("input").length)
{
targets.push(tds)
}
}
return targets
//tds[1].getElementsByTagName("input")[0].click()
}
/*选择 随机一个b其他全是a*/
function select(targets)
{
var rdnum = Math.floor((Math.random()*targets.length));
//console.log(rdnum)
for(var i =0; i < targets.length; i++)
{
if(i == rdnum)
{
targets[i][1].getElementsByTagName("input")[2].click()
}
else
{
targets[i][1].getElementsByTagName("input")[0].click()
}
}
}
/* 保存 */
function save()
{
var btn = getTargetByTAV("input","name","bc");
btn.click();
}
/* 提交 */
function submit()
{
var btn = getTargetByTAV("input","name","tj");
btn.click();
}
var targets = getOption()
select(targets)