@Test
public void findUserPageList() throws Exception {

    Paging<LoginUser> paging = new Paging<>();
    paging.setData(new LoginUser());
    String requestJson = JSONObject.toJSONString(paging);
    mockMvc.perform(MockMvcRequestBuilders.post("/user/list")
            .contentType(MediaType.APPLICATION_JSON_UTF8)
            .content(requestJson)
            .accept(MediaType.APPLICATION_JSON_UTF8))
            .andExpect(MockMvcResultMatchers.status().isOk())
            .andDo(MockMvcResultHandlers.print());
}