xpath获取两个标签之间的所有标签
//h2[text()="采标情况"]/../following-sibling::*[position()<count(//h2[text()="采标情况"]/../following-sib ...
//h2[text()="采标情况"]/../following-sibling::*[position()<count(//h2[text()="采标情况"]/../following-sib ...