Enumeration en_head_value =request.getHeader("cookie");//就是这句有错即下面的line:30(en_head_value.hasMoreElements()) {
String s = (String)en_head_value.nextElement();
out.println(s);
}
An error occurred at line: 30 in the jsp file: /requestExample.jsp
Type mismatch: cannot convert from String to Enumeration
类型不匹配:不能从 String 转换为 Enumeration
我试了,强制转换也没有用,请高手帮我看一下,该怎么改?为什么要这么改?
String s = (String)en_head_value.nextElement();
out.println(s);
}
An error occurred at line: 30 in the jsp file: /requestExample.jsp
Type mismatch: cannot convert from String to Enumeration
类型不匹配:不能从 String 转换为 Enumeration
我试了,强制转换也没有用,请高手帮我看一下,该怎么改?为什么要这么改?
Enumeration en_head_value =(Enumeration)request.getHeader("cookie");
String s = (String)en_head_value.nextElement();
out.println(s);
}
Enumeration en_head_value =request.getHeader("cookie");
while(en_head_value.hasMoreElements()) {
String s = (String)en_head_value.nextElement();
out.println(s);
while(en_head_value.hasMoreElements()) {
String s = (String)en_head_value.nextElement();
out.println(s);