ajax返回值data乱码

1.在页面设置编码格式

<%@ page contentType="text/html; charset=UTF-8"%> 和<meta charset="utf-8"/>

2.后台返回值之前添加

response.setContentType("text/xml;charset=UTF-8"); response.setHeader("Cache-Control", "no-cache"); response.setCharacterEncoding("UTF-8");