<%
String cdir=request.getParameter("dir");
cdir=new String(cdir.getBytes("iso-8859-1"),"UTF-8");
String cur=request.getParameter("name");
String realDir=application.getRealPath("/shared"+cdir);
String realDir1=application.getRealPath("/shared"+cdir+cur);
File f=new File(realDir);
File f1=new File(realDir1);
f.renameTo(f1);
response.sendRedirect("index.jsp?dir="+java.net.URLEncoder.encode(cdir, "utf-8"));
%>
系统提示这行有错误:cdir=new String(cdir.getBytes("iso-8859-1"),"UTF-8");
这行有什么错误呢。。
String cdir=request.getParameter("dir");
cdir=new String(cdir.getBytes("iso-8859-1"),"UTF-8");
String cur=request.getParameter("name");
String realDir=application.getRealPath("/shared"+cdir);
String realDir1=application.getRealPath("/shared"+cdir+cur);
File f=new File(realDir);
File f1=new File(realDir1);
f.renameTo(f1);
response.sendRedirect("index.jsp?dir="+java.net.URLEncoder.encode(cdir, "utf-8"));
%>
系统提示这行有错误:cdir=new String(cdir.getBytes("iso-8859-1"),"UTF-8");
这行有什么错误呢。。
String cdir=new String(request.getParameter("dir").getBytes("ISO8859-1"),"UTF-8");
17: <%
18: String cdir=request.getParameter("dir");
19: cdir=new String(cdir.getBytes("ISO-8859-1"),"UTF-8");
20: String cur=request.getParameter("name");
21: String realDir=application.getRealPath("/shared"+cdir);
22: String realDir1=application.getRealPath("/shared"+cdir+cur);
Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:519)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:428)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
root cause java.lang.NullPointerException
org.apache.jsp.re_jsp._jspService(re_jsp.java:69)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:386)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
note The full stack trace of the root cause is available in the Apache Tomcat/6.0.32 logs.这是错误提示
这是另一个页面的内容:<form method="post" action="re.jsp">
更名:<input type="text" name="name">
<input type="submit" value="确定">
</form>
想要由用户决定名字。。下来就是上次贴出来的代码了。