JavaJSOUP表分析要么漏掉一行,要么抛出索引越界异常
昨天我偶然发现了jsoup库的一个问题JavaJSOUP表分析要么漏掉一行,要么抛出索引越界异常,java,jsoup,Java,Jsoup,昨天我偶然发现了jsoup库的一个问题 public class Analyse { public static void main(String[] args) throws IOException, FileNotFoundException { try { PrintStream output = new PrintStream(new File("E://eBot1.txt")); System.setOut(ou
public class Analyse {
public static void main(String[] args) throws IOException, FileNotFoundException {
try {
PrintStream output = new PrintStream(new File("E://eBot1.txt"));
System.setOut(output);
}
catch (FileNotFoundException fx) {
System.out.println(fx);
}
for (int i = 1527; i < 1542; i++) {
String url = "http://csgolive.eslproseries.de/matchs/view/" + i + "#stats-players";
Document doc = Jsoup.connect(url).get();
String MatchID = doc.select("h4").text();
System.out.println("\n\n" + "Spiel: " + MatchID + "\n\n");
for (Element table : doc.select("table[id=tablePlayers]")) {
for (Element row : table.select("tr")) {
Elements tds2 = row.select("td:not([rowspan])");
int vsTwo = Integer.parseInt(tds2.get(13).text());
int vsThree = Integer.parseInt(tds2.get(14).text());
int vsFour = Integer.parseInt(tds2.get(15).text());
int vsFive = Integer.parseInt(tds2.get(16).text());
int fourKills = Integer.parseInt(tds2.get(20).text());
int fiveKills = Integer.parseInt(tds2.get(21).text());
if (vsTwo > 0) {
System.out.println("Team: " + tds2.get(0).text() + " Player: " + tds2.get(1).text() + " 1v2 Clutch: " + tds2.get(13).text());
}
if (vsThree > 0) {
System.out.println("Team: " + tds2.get(0).text() + " Player: " + tds2.get(1).text() + " 1v3 Clutch: " + tds2.get(14).text());
}
if (vsFour > 0) {
System.out.println("Team: " + tds2.get(0).text() + " Player: " + tds2.get(1).text() + " 1v4 Clutch: " + tds2.get(15).text());
}
if (vsFive > 0) {
System.out.println("Team: " + tds2.get(0).text() + " Player: " + tds2.get(1).text() + " 1v5 Clutch: " + tds2.get(16).text());
}
if (fourKills > 0) {
System.out.println("Team: " + tds2.get(0).text() + " Player: " + tds2.get(1).text() + " 4 Kills: " + tds2.get(20).text());
}
if (fiveKills > 0) {
System.out.println("Team: " + tds2.get(0).text() + " Player: " + tds2.get(1).text() + " 5 Kills: " + tds2.get(21).text());
}
else {
}
}
}
}
}
}
尽管这样,我还是遇到了以下错误:
Exception in thread "main" java.lang.IndexOutOfBoundsException: Index: 13, Size: 0
at java.util.ArrayList.rangeCheck(Unknown Source)
at java.util.ArrayList.get(Unknown Source)
at org.jsoup.select.Elements.get(Elements.java:544)
at org.jsoup.Analyse.main(Analyse.java:42)
我尝试过避免这种情况的方法。唯一的工作方法是
for (Element row : table.select("tr:gt(0)"));
这只加载表条目2-10,所以我总是错过第一个
所以我的问题是:
是否有任何方法不获取此错误并仍然获取所有表行
编辑:我编写了另一个可能的代码,它揭示了真正的错误:要在tds2.get13.text.get14解析的第一行。etc提供IndexOutOfBoundsException。第一排显然是空的。然而,当我把它打印到控制台时,一切都很正常
已解决:
取代
for (Element row : table.select("tr")) {
与
您正在分析的表是否有标题?好像第一行有单元格,而不是预期的行为…此表有标题和正文。我编写了另一个可能的代码,它揭示了真正的错误:要在tds2.get13.text.get14处解析的第一行。etc提供IndexOutOfBoundsException。第一排显然是空的。但是当我把它打印到控制台上时,一切都很正常。你可以试着在控制台上打印出这一行,看看发生了什么。i、 e.以少于15个tds打印每个tr。
for (Element row : table.select("tr")) {
for (int f = 1; f < 11 ; f++) {