给楼主一段获取匹配字符的代码,楼主可以依次缩小字符条件范围获取
/*
* 根据开头的字符结尾的字符以及之间的字符返回匹配的字符串
* str 待匹配的字符串,begin开始匹配的字符串,key匹配的中间字符,end匹配的结束字符
*/
public static String[] match(String str, String begin,String key,String end)
{
String [] strMc = new String[9];
int beginIndex = str.indexOf(begin);
int endLength = end.length();
int endIndex = str.indexOf(end,beginIndex+begin.length())+endLength;
int i = 0;
while(-1!=beginIndex&&-1!=endIndex)
{
String sub = str.substring(beginIndex, endIndex);
if(-1!=sub.indexOf(key))
{
strMc[i] = new String(str.substring(beginIndex, endIndex+endLength));
i++;
}
beginIndex = str.indexOf(begin, endIndex);
endIndex = str.indexOf(end, beginIndex);
}
return strMc;
}
/*
* 根据开头的字符结尾的字符以及之间的字符返回匹配的字符串
* str 待匹配的字符串,begin开始匹配的字符串,key匹配的中间字符,end匹配的结束字符
*/
public static String[] match(String str, String begin,String key,String end)
{
String [] strMc = new String[9];
int beginIndex = str.indexOf(begin);
int endLength = end.length();
int endIndex = str.indexOf(end,beginIndex+begin.length())+endLength;
int i = 0;
while(-1!=beginIndex&&-1!=endIndex)
{
String sub = str.substring(beginIndex, endIndex);
if(-1!=sub.indexOf(key))
{
strMc[i] = new String(str.substring(beginIndex, endIndex+endLength));
i++;
}
beginIndex = str.indexOf(begin, endIndex);
endIndex = str.indexOf(end, beginIndex);
}
return strMc;
}
Element element=doc.select("li.book_list_info p").first();
String html=element.html();
Matcher m=Pattern.compile("(?s)(?<=</span>).*?(?=<img)").matcher(html);
if(m.find()){
System.out.println(Arrays.asList(m.group().split("<br(\\s*/)?>")));
}