我最近正在尝试为我的学校朋友开发一个Android应用程序,所以他们不必使用网络浏览器,而是一个简单的应用程序来检查他们更新的成绩和考试时间表,但因为学校不会允许使用他们的数据库唯一的方法是进行HTML解析。 所以我找到了这个库Jsoup和一个例子,并开始编写我自己的代码,但它总是带给我页面登录的页面源(它根本没有登录)
public Document getHTMLsoure() {
Document doc=null;
try {
doc = Jsoup.connect("http://karinca.meliksah.edu.tr")
.data("ctl00$ContentPlaceHolder1$txtKullaniciAdi","usernm")
.data("ctl00$ContentPlaceHolder1$txtSifre", "passwd")
.data("ctl00$ContentPlaceHolder1$btnLogin", "Giriş")
.userAgent("Mozilla")
.post();
} catch (IOException e1) {
e1.printStackTrace();
}
返回doc; }
答案 0 :(得分:3)
请检查。
结果Kullanıcı adı yada şifre hatası !
Response res = Jsoup
.connect("https://karinca.meliksah.edu.tr/View/Login")
.userAgent("Mozilla")
.execute();
Document doc = res.parse();
String eventArgument = doc.select("input[name=__EVENTARGUMENT]").val();
String viewState = doc.select("input[name=__VIEWSTATE]").val();
String viewStateGenerator = doc.select("input[name=__VIEWSTATEGENERATOR]").val();
String eventValidation = doc.select("input[name=__EVENTVALIDATION]").val();
String asyncPost = "true";
String ct = "";
String body = doc.body().html();
int indexOf = body.indexOf("Sys.WebForms.PageRequestManager._initialize(");;
if(indexOf > -1){
int indexEnd = body.substring(indexOf).indexOf("');");
if(indexEnd > -1){
String temp = body.substring(indexOf, indexOf+indexEnd);
int indexStart = temp.lastIndexOf("'");
ct = temp.substring(indexStart+1,temp.length());
}
}
Document doc1 = Jsoup.connect("https://karinca.meliksah.edu.tr/View/Login.aspx")
.referrer("https://karinca.meliksah.edu.tr/View/Login")
.cookies(res.cookies())
.data(ct+"$ContentPlaceHolder1$ScriptManager2",ct+"$ContentPlaceHolder1$UpdatePanel1|"+ct+"$ContentPlaceHolder1$btnLogin")
.data(ct+"$ContentPlaceHolder1$txtKullaniciAdi","usernm")
.data(ct+"$ContentPlaceHolder1$txtSifre", "passwd")
.data("__EVENTTARGET",ct+"$ContentPlaceHolder1$btnLogin")
.data("__EVENTARGUMENT",eventArgument)
.data("__VIEWSTATE",viewState)
.data("__VIEWSTATEGENERATOR",viewStateGenerator)
.data("__EVENTVALIDATION",eventValidation)
.data("__ASYNCPOST",asyncPost)
.userAgent("Mozilla")
.post();
System.out.println(doc1.html());