controller 返回中文是乱码处理

版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/wanggeying/article/details/84334287

需添加：produces = "text/plain;charset=UTF-8"

伪代码如下：

    @RequestMapping(value = "xmglGgTg", produces = "text/plain;charset=UTF-8")
    public String xmglGgTg(HttpServletRequest req) throws Exception {
        // 登录信息
        ActivePerson activePerson = ActivePersonManager.getActivePerson();