文章分段的代码
int int2 = comment.length();
StringBuffer StringBuffer3 = new StringBuffer();
int int4; for( int4 = 0; int4 < int2; ++int4 )
{
char char5 = comment.charAt( int4 ); switch( char5 )
{
case 62:
StringBuffer3.append( ">" );
break;
case 60:
StringBuffer3.append( "<" );
break;
case 38:
StringBuffer3.append( "&" );
break;
case 32:
StringBuffer3.append( " " );
break;
case 10:
StringBuffer3.append( "<BR>" );
break;
default:
StringBuffer3.append( char5 );
break;
case 13:
break;
}
}
comment=StringBuffer3.toString();
int int2 = comment.length();
StringBuffer StringBuffer3 = new StringBuffer();
int int4; for( int4 = 0; int4 < int2; ++int4 )
{
char char5 = comment.charAt( int4 ); switch( char5 )
{
case 62:
StringBuffer3.append( ">" );
break;
case 60:
StringBuffer3.append( "<" );
break;
case 38:
StringBuffer3.append( "&" );
break;
case 32:
StringBuffer3.append( " " );
break;
case 10:
StringBuffer3.append( "<BR>" );
break;
default:
StringBuffer3.append( char5 );
break;
case 13:
break;
}
}
comment=StringBuffer3.toString();
应该怎么修改上面代码?
不好意思,我刚学JSP
An error occurred at line: 19 in the jsp file: /news/show.jspGenerated servlet error:
[javac] Compiling 1 source fileC:\hongdun\work\Catalina\localhost\_\org\apache\jsp\news\show_jsp.java:65: cannot resolve symbol
symbol : variable nr
location: class org.apache.jsp.news.show_jsp
int int2 = nr.length();
^An error occurred at line: 19 in the jsp file: /news/show.jspGenerated servlet error:
C:\hongdun\work\Catalina\localhost\_\org\apache\jsp\news\show_jsp.java:71: cannot resolve symbol
symbol : variable nr
location: class org.apache.jsp.news.show_jsp
char char5 = nr.charAt( int4 );
String nr=request.getParameter("text");
再
int int2 = nr.length();
Generated servlet error:
[javac] Compiling 1 source fileC:\hongdun\work\Catalina\localhost\_\org\apache\jsp\news\show_jsp.java:191: nr is already defined in _jspService(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
String nr = rs.getString("nr");
^
nr is already defined
它说nr这个变量在之前已经定义了