response.setCharacterEncoding("gb2312"); 在Servlet2.3中是不行的,至少要2.4版本才可以,如果低于2.4版本,可以用如下办法: 

response.setContentType("text/html;charset=gb2312");

The method setCharacterEncoding(String) is undefined for the type HttpServletResponse 是什么原因?的更多相关文章

  1. The method setCharacterEncoding(String) is undefined for the type HttpServletResponse

    今天将以前做的一个web项目从不笔记本上移到台式机上,import项目后出现“The method setCharacterEncoding(String) is undefined for the ...

  2. Android NDK 【错误】The method loadLibrary(String) is undefined for the type Settings.Syste

    [错误]The method loadLibrary(String) is undefined for the type Settings.System [解决方法] 不要加入包import andr ...

  3. The method getJspApplicationContext(ServletContext) is undefined for the type JspFactory

    The method getJspApplicationContext(ServletContext) is undefined for the type JspFactory 这是由于项目里面的一些 ...

  4. The method getJspApplicationContext(ServletContext) is undefined for the type

    type Exception report message Unable to compile class for JSP: description The server encountered an ...

  5. 报错:An error occurred at line: 22 in the generated java file The method getJspApplicationContext(ServletContext) is undefined for the type JspFactory

    org.apache.jasper.JasperException: Unable to compile class for JSP: An error occurred at line: 22 in ...

  6. The method getJspApplicationContext(ServletContext) is undefined for the type JspFactory的解决方法

    An error occurred at line: [31] in the generated java file: [/data/tmisnt/work/Catalina/localhost/_/ ...

  7. android-The method findViewById(int) is undefined for the type ContactMainFragment报错

    @Override public void onViewCreated(View view, Bundle savedInstanceState) { super.onViewCreated(view ...

  8. The method getDispatcherType() is undefined for the type HttpServletRequest

    在使用百度的ueditor的时候,老是报错: The method getDispatcherType() is undefined for the type HttpServletRequest 原 ...

  9. The method getDispatcherType() is undefined for the type HttpServletRequest 升级到tomcat8(转)

    配置项目,从tomcat低版本,放到tomcat8时,正常的项目居然报错了: The method getDispatcherType() is undefined for the type Http ...

随机推荐

  1. JS实现设为首页与加入收藏

    <script type="text/javascript"> // 设置为主页 function SetHome(obj, vrl) { try { obj.styl ...

  2. load/get延迟加载和及时加载

    load和get方法的区别: Session.load/get方法均可以根据指定的实体类和id从数据库读取记录,并返回与之对应的实体对象. 区别在于: 如果未能发现符合条件的记录,get方法返回nul ...

  3. winform制作简单计算器

    public Form1() { InitializeComponent(); textBox2.Text = ";//主显示屏 textBox1.Text = "";/ ...

  4. css中margin-left与left的区别

    研究下拉菜单和弹出菜单时比较所得: 1.直接在css中设置left生效的前提是必须设置父容器position:absolute或relative,如果不设置则会显示为最近一个定位的父对象左边相关的位置 ...

  5. JQuery基本方法介绍和使用

    1.属性 $("p").addClass(css中定义的样式类型); 给某个元素添加样式 常用于表格鼠标移动效果 $(document).ready(function(){ //& ...

  6. c#中enum的用法小结

    转自:http://blog.csdn.net/moxiaomomo/article/details/8056356 enums枚举是值类型,数据直接存储在栈中,而不是使用引用和真实数据的隔离方式来存 ...

  7. .net 实现Office文件预览,word文件在线预览、excel文件在线预览、ppt文件在线预览

    转自源地址:http://www.cnblogs.com/GodIsBoy/p/4009252.html,有部分改动 使用Microsoft的Office组件将文件转换为PDF格式文件,然后再使用pd ...

  8. mysql中字段类型转换排序

    表中字段server_id是varchar类型,现在我们查询数据时想以server_id排一下序,排序后的结果 select server_id from cardserver where game_ ...

  9. 面试题-->写一个函数,返回一个数组中所有元素被第一个元素除的结果

    package com.rui.test; import java.util.Random; /** * @author poseidon * @version 1.0 * @date:2015年10 ...

  10. javascript对象的一点理解

    <script type="text/javascript"> /* js对象:对象的职责是调用属性和调用方法 */ //1.对象的创建的三种方式 var obj = ...