EXT同struts2后台交互一个中文问题

时间：2011-03-31 来源：阿彬

后台：

ActionContext context = ActionContext.getContext(); HttpServletResponse response = (HttpServletResponse) context.get(ServletActionContext.HTTP_RESPONSE); response.setCharacterEncoding("UTF-8"); HttpServletRequest request = (HttpServletRequest) context.get(ServletActionContext.HTTP_REQUEST);

request.setCharacterEncoding("UTF-8");

response.getWriter().print("{success:false,msg:'上传失败,文件格式错误'}");

前台：

failure: function(form, action){

Ext.MessageBox.updateProgress(1); Ext.MessageBox.hide(); if(action.result.msg){ Ext.Msg.alert('错误', action.result.msg ); }else{ Ext.Msg.alert('错误', '文件上传失败'); } }

这时弹出的窗口是乱码，前后台已经都是UTF-8，在后台print之前增加一句代码解决问题：response.setContentType("text/html; charset=utf-8");

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