转义符 加上引号 "
<?xml version="1.0"encoding="GBK"?>
String temp = "<?xml version=" + """ + "1.0" + """ + " encoding=" + """ + "GBK" + """ + "?>";
转义符 加上引号 "
<?xml version="1.0"encoding="GBK"?>
String temp = "<?xml version=" + """ + "1.0" + """ + " encoding=" + """ + "GBK" + """ + "?>";