String s = "<p>test with only p tag </p>";
输出应该是test with only p tag
String t = "<p>test with only p tag </p><p></p>";
输出应该是test with only p tag <p></p>
String s = "<p>test with only p tag </p>";
输出应该是test with only p tag
String t = "<p>test with only p tag </p><p></p>";
输出应该是test with only p tag <p></p>