ajax返回值为中文时乱码解决方法
/** * 使用ajax检查用户是否存在 */public void checkUser(){try{System.out.println("userName="+user.getUserName()); HttpServletResponse response=ServletActionContext.getResponse(); response.setContentType("text/xml;charset=utf-8"); response.setHeader("Cache-Control", "no-cache"); PrintWriter pw=response.getWriter(); //输出中文，这一句一定要放到response.setContentType("text/xml;charset=utf-8"),response.setHeader("Cache-Control", "no-cache")后面，否则中文返回到页面是乱码 if(existUser.contains(user.getUserName())) { pw.print("存在"); }else{ pw.print("不存在"); } pw.close();}catch(IOException e){e.printStackTrace();}}
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