“[removed].href”、”location.href”是本页面跳转 “parent.location.href”是上一层页面跳转 “top.location.href”是最外层的页面跳转 举例说明: 如果A,B,C,D都是jsp,D是C的ifr a me,C是B的ifr a me,B是A的ifr a me,如果D中js这样写 “[removed].href”、”location.href”:D页面跳转 “parent.location.href”:C页面跳转 “top.location