1 工程前后台都使用UTF-8字符集。
2 tomcat配置 <Connector port="8080" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="8443" URIEncoding="UTF-8"/>。
3 spring3.2 注解 添加“produces = "text/plain;charset=UTF-8"”
@RequestMapping(value = "/batchDeleteUser.do", method = RequestMethod.POST,produces = "text/plain;charset=UTF-8")
@ResponseBody
public String ajax_batchDeleteUser(){
...
}